29 Dec 2024, Pavel Murat, Forum, time ordering of run transition calls to TMFeEquipment things
|
Dear MIDAS experts,
I have a question about "tmfe approach" to implementing MIDAS frontends. If I read the code correctly,
|
12 Dec 2024, Stefan Ritt, Suggestion, New alarm sound flag to be tested
|
We had the case in MEG that some alarms were actually just warnings, not very severe. This happens for example if we calibrate our detector
once every other day and modify the hardware which actually triggers the alarm for about an hour or so.
|
19 Dec 2024, Stefan Ritt, Suggestion, New alarm count added
|
Another modification has been done to the alarm system.
We have often cases where an alarm is triggered on some readout noise. Like an analog voltage just over the alarm threshold for a very short period of |
17 Dec 2024, Lukas Gerritzen, Bug Report, [History plots] "Jump to current time" resets x range to 7d
|
To reproduce:
- Open a history plot, click [-] a few times until the x axis shows more than 7 days.
- Scroll to the past (left)
|
19 Dec 2024, Stefan Ritt, Bug Report, [History plots] "Jump to current time" resets x range to 7d
|
I had put in a check which limits the range to 7d into the past if you press the "play" button, but now I'm not sure why this was needed. I removed it again
and
things seem to be fine. Change is committed to develop.
|
13 Dec 2024, Marius Koeppel, Info, New Feature: Message Search
|
Dear all,
a new feature was implemented which allows to search the log messages in MIDAS. Attached one can find a more detailed explanation of how to use the feature.
|
18 Nov 2024, Lukas Gerritzen, Suggestion, Comma-separated indices in alarm conditions
|
I have the following use case: I would like to check if two elements of an array exceed a certain threshold.
However, they are not consecutive. Currently, I have to write two alarms, one checking Array[8] and one
checking Array [10].
|
10 Dec 2024, Stefan Ritt, Suggestion, Comma-separated indices in alarm conditions
|
These kind of alarm conditions have been implemented and committed. The documentation at
https://daq00.triumf.ca/MidasWiki/index.php/Alarm_System
|
26 Nov 2024, Nick Hastings, Bug Report, TMFE::Sleep() errors
|
Hello,
I've noticed that SC FEs that use the TMFE class with midas-2022-05-c often report errors when calling TMFE:Sleep().
|
26 Nov 2024, Maia Henriksson-Ward, Bug Report, TMFE::Sleep() errors
|
> Hello,
>
> I've noticed that SC FEs that use the TMFE class with midas-2022-05-c often report errors when calling TMFE:Sleep().
|
27 Nov 2024, Konstantin Olchanski, Bug Report, TMFE::Sleep() errors
|
> [tmfe.cxx:1033:TMFE::Sleep,ERROR] select() returned -1, errno 22 (Invalid argument).
The very original copy of this function had an error and was spewing out this error quite often,
|
27 Nov 2024, Konstantin Olchanski, Bug Report, TMFE::Sleep() errors
|
>
> I wonder also if now that midas requires stricter/newer c++ standards if there maybe
> some more straightforward method to sleep that is sufficiently robust and portable.
|
27 Nov 2024, Konstantin Olchanski, Bug Report, TMFE::Sleep() errors
|
> status = select(1, &fdset, NULL, NULL, &timeout);
>
> On error, -1 is returned, ... timeout becomes undefined.
|
06 Dec 2024, Konstantin Olchanski, Bug Report, TMFE::Sleep() errors
|
> > status = select(1, &fdset, NULL, NULL, &timeout);
> > On error, -1 is returned, ... timeout becomes undefined.
|
06 Dec 2024, Konstantin Olchanski, Bug Report, TMFE::Sleep() errors
|
> Commit [develop 06735d29] improve TMFE::Sleep()
Report of test_sleep on Ubuntu-22 (Intel E-2236) and MacOS 14.6.1 (M1 MAX Mac Studio).
|
06 Dec 2024, Stefan Ritt, Info, New slow control framework "mdev"
|
A new slow control mini-framework has been developed for MIDAS and been successfully tested in the Mu3e experiment. It
might be suited for other experiments as well.
|
23 Oct 2024, Lukas Gerritzen, Bug Report, ODB key picker does not close when creating link / Edit-on-run string box too large
|
To reproduce:
In the interactive ODB, click the 🔗 icon to create a link. Next to the target, click the "..." button to open
the key picker browser. Then try to close it by either:
|
02 Dec 2024, Stefan Ritt, Bug Report, ODB key picker does not close when creating link / Edit-on-run string box too large
|
> Actual result:
> The key picker does not close.
|
04 Dec 2024, Konstantin Olchanski, Bug Report, ODB key picker does not close when creating link / Edit-on-run string box too large
|
> > Actual result:
> > The key picker does not close.
>
|
02 Dec 2024, Stefan Ritt, Bug Report, ODB key picker does not close when creating link / Edit-on-run string box too large
|
> Another more minor visual problem is the edit-on-start dialog. There seems to be no upper bound to the
> size of the text box. In the attached screenshot, ShortString has a maximum length of 32 characters,
> LongString has 255. Both are empty at the time of the screenshot. Maybe, the size should be limited to a
|
05 Dec 2024, Konstantin Olchanski, Bug Report, ODB key picker does not close when creating link / Edit-on-run string box too large
|
> > Another more minor visual problem is the edit-on-start dialog. There seems to be no upper bound to the
> > size of the text box. In the attached screenshot, ShortString has a maximum length of 32 characters,
> > LongString has 255. Both are empty at the time of the screenshot. Maybe, the size should be limited to a
|
15 Aug 2024, Scott Oser, Forum, "Safe" abort of sequencer scripts
|
We often use the MIDAS sequencer to temporarily control detector settings, such as:
* <change some setting>
|
19 Aug 2024, Stefan Ritt, Forum, "Safe" abort of sequencer scripts
|
This request came more than once in the past. One thing I could implement is a "atexit" function similarly to the C funciton atexit().
Then we would have a function in the script which gets called whenever one does "stop immediately". This function can then restore
|
22 Aug 2024, Scott Oser, Forum, "Safe" abort of sequencer scripts
|
> This request came more than once in the past. One thing I could implement is a "atexit" function similarly to the C funciton atexit().
>
> Then we would have a function in the script which gets called whenever one does "stop immediately". This function can then restore
|
02 Dec 2024, Stefan Ritt, Forum, "Safe" abort of sequencer scripts
|
The atexit() function has been implemented in the current develop branch of midas, see
https://daq00.triumf.ca/MidasWiki/index.php/Sequencer#ATEXIT_subroutine
|
11 Sep 2024, Konstantin Olchanski, Forum, "Safe" abort of sequencer scripts
|
> We often use the MIDAS sequencer to temporarily control detector settings, such as:
>
> * <change some setting>
|
30 Nov 2024, Pavel Murat, Bug Report, EQ_PERIODIC-only equipment ?
|
Dear Midas experts,
I'm running into something which looks like an initialization problem.
|
01 Dec 2024, Stefan Ritt, Bug Report, EQ_PERIODIC-only equipment ?
|
There is no requirement that you pair an EQ_PERIODIC with an EQ_TRIGGER. Take for exmaple
midas/examples/experiment/frontend.cxx
|
01 Dec 2024, Pavel Murat, Bug Report, EQ_PERIODIC-only equipment ?
|
> There is no requirement that you pair an EQ_PERIODIC with an EQ_TRIGGER. Take for exmaple
>
> midas/examples/experiment/frontend.cxx
|
07 Oct 2024, Amy Roberts, Bug Report, Difficulty running MIDAS on Rocky 9.4
|
We're trying to install the SuperCDMS version of MIDAS on a Rocky 9.4 Virtual
Machine and are getting a persistent error when we run mserver. As far as I
know there are minimal changes between this and the MIDAS branch, but Ben Smith
|
07 Oct 2024, Ben Smith, Bug Report, Difficulty running MIDAS on Rocky 9.4
|
> We're trying to install the SuperCDMS version of MIDAS on a Rocky 9.4 Virtual
> Machine and are getting a persistent error when we run mserver. As far as I
> know there are minimal changes between this and the MIDAS branch, but Ben Smith
|
08 Oct 2024, Amy Roberts, Bug Report, Difficulty running MIDAS on Rocky 9.4
|
> > We're trying to install the SuperCDMS version of MIDAS on a Rocky 9.4 Virtual
> > Machine and are getting a persistent error when we run mserver. As far as I
> > know there are minimal changes between this and the MIDAS branch, but Ben Smith
|
08 Oct 2024, Konstantin Olchanski, Bug Report, Difficulty running MIDAS on Rocky 9.4
|
I read these error messages. There is no ODB corruption. ODB semaphore is locked and all midas programs will fail, they will timeout trying to get the lock,
report the timeout, then it looks like a bug was introduced where instead of hard exit or abort() they attempt a clean shutdown which crashes from a recursive
call in db_lock_database(). Amy's
|
08 Oct 2024, Konstantin Olchanski, Bug Report, Difficulty running MIDAS on Rocky 9.4
|
> I read these error messages. There is no ODB corruption. ODB semaphore is locked and all midas programs will fail...
Recovery from this is:
|
07 Oct 2024, Konstantin Olchanski, Bug Report, Difficulty running MIDAS on Rocky 9.4
|
> We're trying to install the SuperCDMS version of MIDAS on a Rocky 9.4 Virtual
> Machine and are getting a persistent error when we run mserver.
>
|
08 Oct 2024, Mark Grimes, Bug Report, Difficulty running MIDAS on Rocky 9.4
|
We run Midas with no problems on Rocky 9.4, although not in a virtual machine. We're very close to the head of `develop`.
I'm fairly sure I've seen an error like this before. I didn't pay it much attention because it was transitory and I was doing something weird at the time |
08 Oct 2024, Konstantin Olchanski, Bug Report, Difficulty running MIDAS on Rocky 9.4
|
> Basically I think Rocky 9.4 is a red herring.
This is what likely happened:
|
08 Oct 2024, Amy Roberts, Bug Report, Difficulty running MIDAS on Rocky 9.4
|
> > We're trying to install the SuperCDMS version of MIDAS on a Rocky 9.4 Virtual
> > Machine and are getting a persistent error when we run mserver.
> >
|
08 Oct 2024, Konstantin Olchanski, Bug Report, Difficulty running MIDAS on Rocky 9.4
|
> I've uploaded the current core dump at: https://gitlab.com/det-lab/coredumps#.
I cannot read the core dump without the corresponding executable (and likely all it's shared libraries).
|
10 Oct 2024, Amy Roberts, Bug Report, Difficulty running MIDAS on Rocky 9.4
|
> > I've uploaded the current core dump at: https://gitlab.com/det-lab/coredumps#.
>
> I cannot read the core dump without the corresponding executable (and likely all it's shared libraries).
|
13 Oct 2024, Konstantin Olchanski, Bug Report, Difficulty running MIDAS on Rocky 9.4
|
Thank you for the stack trace, I fixed the buglet that cause midas programs to crash twice,
once on failure to lock ODB, then call exit() -> atexit() handlers -> cm_check_connect() -> crash on ODB lock
failure is the cm_msg() codes.
|
16 Oct 2024, Amy Roberts, Bug Report, Difficulty running MIDAS on Rocky 9.4
|
> Thank you for the stack trace, I fixed the buglet that cause midas programs to crash twice,
> once on failure to lock ODB, then call exit() -> atexit() handlers -> cm_check_connect() -> crash on ODB lock
> failure is the cm_msg() codes.
|
18 Oct 2024, Konstantin Olchanski, Bug Report, Difficulty running MIDAS on Rocky 9.4
|
> [aroberts@sdfcdmsdaq midas]$ odbedit
> [ODBEdit,ERROR] [odb.cxx:2043:db_open_database,ERROR] Removed ODB client 'ODBEdit', index 0 because process pid
> 1615051 does not exists
|
18 Oct 2024, Konstantin Olchanski, Bug Report, Difficulty running MIDAS on Rocky 9.4
|
> suddenly, an ODB semaphore timeout...
I am wondering if something bizarre is going on, like the system clock going backwards. I heard of things like that
|
28 Oct 2024, Amy Roberts, Bug Report, Difficulty running MIDAS on Rocky 9.4
|
> Now for each timeout it will print detailed syscall and timing information, if time goes backwards, it should catch it.
It appears that time is moving forward:
|
06 Nov 2024, Amy Roberts, Bug Report, Difficulty running MIDAS on Rocky 9.4
|
After following Konstantin's debugging suggestions, I thought I would try to replicate
the issue on my own computer. My hope was that I could provide instructions for
replicating the bug so that the MIDAS team could try debugging things more easily.
|
22 Nov 2024, Konstantin Olchanski, Bug Report, ODB lock timeout, Difficulty running MIDAS on Rocky 9.4
|
> try to replicate the issue ...
I see ODB lock timeout (and abort() of everything) in the dsvslice test station. We have
|
24 Nov 2024, Pavel Murat, Bug Report, ODB lock timeout, Difficulty running MIDAS on Rocky 9.4
|
there is a really good software tool developed by the Fermilab DAQ group, called TRACE -
https://github.com/art-daq/trace ,
|
21 Nov 2024, Mann Gandhi, Info, What do the status numbers mean and where can I find more information about them?
|
Hello,
This is the error message I got:
|
21 Nov 2024, Stefan Ritt, Info, What do the status numbers mean and where can I find more information about them?
|
> [RP Streaming Frontend,ERROR] [midas.cxx:17806:cm_write_event_to_odb,ERROR]
> cannot create key for bank "DATA" with tid 24 in ODB, db_create_key() status 309
|
13 Nov 2024, Stefan Ritt, Info, New sequencer command ODBLOOKUP
|
A new sequencer command "ODBLOOKUP" has been implemented, which does a lookup of a string in a string
array in the ODB given by a path and returns its index as a number. If we have for example an array
|
15 Nov 2024, Konstantin Olchanski, Info, New sequencer command ODBLOOKUP
|
> A new sequencer command "ODBLOOKUP" has been implemented, which does a lookup of a string in a string
> array in the ODB given by a path and returns its index as a number. If we have for example an array
>
|
18 Nov 2024, Stefan Ritt, Info, New sequencer command ODBLOOKUP
|
> "value not found" sets "index" to ?
It sets it actually to "not found". Since all variables are stings in the sequencer, you can then do a test like
|
14 Nov 2024, Mann Gandhi, Suggestion, Issue with creating banks
|
Hello, I am a coop student working at SNOLAB. I am currently setting up a frontend
program to collect data for an experiment I am currently having with my bank being
initialized correctly with the correct name. I will attach an image of the error and
|
14 Nov 2024, Stefan Ritt, Suggestion, Issue with creating banks
|
All I can see is that your bank header gets corrupted along the way. The funny character reported by
cm_write_event_to_odb indicates that your original name "RPD0" got overwritten somewhere, but I could not spot any
mistake in your code.
|
14 Nov 2024, Mann Gandhi, Suggestion, Issue with creating banks
|
> All I can see is that your bank header gets corrupted along the way. The funny character reported by
> cm_write_event_to_odb indicates that your original name "RPD0" got overwritten somewhere, but I could not spot any
> mistake in your code.
|
15 Nov 2024, Konstantin Olchanski, Suggestion, Issue with creating banks
|
> Hello, I am a coop student working at SNOLAB.
> void* data_acquisition_thread(void* param)
> {
|
07 Nov 2024, Lukas Gerritzen, Suggestion, Stop run and sequencer button
|
Due to popular demand among our students, I added a button to the sequencer that stops the run and the sequence. If you find it useful, please consider
merging this upstream.
|
07 Nov 2024, Stefan Ritt, Suggestion, Stop run and sequencer button
|
I don't find this very useful. Some experiments do not only want to stop the run, but also do other cleanup things. To do that, I proposed and "atexit"
function like C has it. Then the user can put a run stop there, plus any other cleanup. This will be much more flexible. Think about the "reset" script
we have to manually run if we abort a sequencer. The atexit function will come next week, so you should consider to use it instead your additional button.
|
05 Nov 2024, Jack Carlton, Forum, How to properly write a client listens for events on a given buffer?
|
If there's some template for writing a client to access event data, that would be
very useful (and you can probably just ignore the context I gave below in that
case).
|
05 Nov 2024, Maia Henriksson-Ward, Forum, How to properly write a client listens for events on a given buffer?
|
> If there's some template for writing a client to access event data, that would be
> very useful (and you can probably just ignore the context I gave below in that
> case).
|
28 Oct 2024, Lukas Gerritzen, Bug Report, Visual glitch in history system
|
Today, I encountered the bug shown in the attached video. The value of the plotted curve does not match the mouseover number.
When trying to understand it better, I stopped being able to replicate. Has anyone else observed a similar problem? |
11 Oct 2024, Denis Calvet, Bug Report, Frontend name must differ from others by more than the last three characters
|
Hi,
I have developed two Midas front-end programs for different hardware. The frontend_name of the first one is "FSCD_SC" (slow control) and that of the second
one is "FSCD_PS" (power supply).
|
11 Oct 2024, Stefan Ritt, Bug Report, Frontend name must differ from others by more than the last three characters
|
Hi Denis,
indeed a bug. Will fix it next week.
|
18 Oct 2024, Stefan Ritt, Bug Report, Frontend name must differ from others by more than the last three characters
|
Fixed and committed.
Best,
|
09 Oct 2024, Lukas Gerritzen, Suggestion, odbedit minor quality of life
|
I have made two minor quality of life changes to odbedit.
[LIST]
[*] cd command: Typing cd without arguments now changes the directory to /, similar to the behaviour of the cd command in Linux sending you to the home |
09 Oct 2024, Stefan Ritt, Suggestion, odbedit minor quality of life
|
Ok, accepted, done and pushed.
Stefan
|
05 Sep 2024, Jack Carlton, Forum, Python frontend rate limitations?
|
I'm trying to get a sense of the rate limitations of a python frontend. I
understand this will vary from system to system.
|
05 Sep 2024, Ben Smith, Forum, Python frontend rate limitations?
|
> What limits the rate that poll_func is called in a python frontend?
First the general advice: if you reduce the "period" of your equipment, then your function will get called more frequently. You can set it to 0 and we'll |
05 Sep 2024, Stefan Ritt, Forum, Python frontend rate limitations?
|
> First the general advice: if you reduce the "period" of your equipment, then your function will get called more frequently.
> You can set it to 0 and we'll call it as often as possible. You can set this in the ODB at "/Equipment/Python Data Simulator/Common/Period"
|
06 Sep 2024, Jack Carlton, Forum, Python frontend rate limitations?
|
Thanks for the responses, they were very helpful.
>First the general advice: if you reduce the "period" of your equipment, then your function will get called more frequently. You can set it to 0 and we'll |
11 Sep 2024, Konstantin Olchanski, Forum, Python frontend rate limitations?
|
>
> poll(INT count) {
> for (i=0 ; i<count ; i++)
|
27 Sep 2024, Ben Smith, Forum, Python frontend rate limitations?
|
> in your case the limitation is likely that you're sending 1.25MB per event and we have a lot of data marshalling to do between the python and C++ layer.
>
> I'll add it to my to-do list to investigate improving the performance of medium-to-large events in the python code.
|
11 Sep 2024, Konstantin Olchanski, Forum, Python frontend rate limitations?
|
> I'm trying to get a sense of the rate limitations of a python frontend.
1) python is single-threaded, for ultimate performance, a MIDAS frontend (or any DAQ
|
11 Sep 2024, Konstantin Olchanski, Forum, Python frontend rate limitations?
|
> > I'm trying to get a sense of the rate limitations of a python frontend.
forgot one more:
|
22 Jun 2024, Joseph McKenna, Suggestion, manalyzer thread safety and custom http IP binding
|
Hi all, I hope this is the right place to post two pull requests, if not, please let me know where I should be submitting them
Both are fairly small changes, please see them listed below (more details written on the PRs themselves)
|
05 Jul 2024, Joseph McKenna, Suggestion, shared pointers for more flexible memory managment of the analysis 'flow' and TMEvent
|
> Hi all, I hope this is the right place to post two pull requests, if not, please let me know where I should be submitting them
>
> Both are fairly small changes, please see them listed below (more details written on the PRs themselves)
|
05 Jul 2024, Joseph McKenna, Suggestion, Clean up compiler warning in manalyzer
|
This is a super small pull request, simple replace deprecated sprintf with snprintf
https://bitbucket.org/tmidas/manalyzer/pull-requests/9 |
13 Sep 2024, Konstantin Olchanski, Suggestion, Clean up compiler warning in manalyzer
|
> This is a super small pull request, simple replace deprecated sprintf with snprintf
> https://bitbucket.org/tmidas/manalyzer/pull-requests/9
|
20 Sep 2024, Joseph McKenna, Suggestion, Clean up compiler warning in manalyzer
|
> > This is a super small pull request, simple replace deprecated sprintf with snprintf
> > https://bitbucket.org/tmidas/manalyzer/pull-requests/9
>
|
20 Sep 2024, Stefan Ritt, Suggestion, Clean up compiler warning in manalyzer
|
> I like the look of std::format, looks cleaner than string streams
I fully agree. String streams is a pain if you want to do zero-leading hex output mixed with decimal output. Yes it's easier to read if you don't know |
24 Sep 2024, Konstantin Olchanski, Suggestion, Clean up compiler warning in manalyzer
|
> > I like the look of std::format, looks cleaner than string streams
>
> I fully agree. String streams is a pain if you want to do zero-leading hex output mixed with decimal output. Yes it's easier to read if you don't know |
13 Sep 2024, Konstantin Olchanski, Suggestion, manalyzer thread safety and custom http IP binding
|
> - Enable ROOT's thread safety when running in multithreaded mode
> This helps avoid users having to write their call to a global thread lock when calling ->Fill() on ROOT histograms and Trees
> https://bitbucket.org/tmidas/manalyzer/pull-requests/5
|
22 Sep 2024, Tam Kai Chung, Bug Report, Can we convert the .mid file into .root file
|
Dear experts,
I am a new user of MIDAS. I have just created some banks by a frontend.cxx code.
Now, I would like to do some analysis from the data.
|
24 Sep 2024, Konstantin Olchanski, Bug Report, Can we convert the .mid file into .root file
|
"Can we convert the .mid file into .root file".
yes, you can, but the operation is under-defined. it's like asking "can I convert these stones into houses". the answer is "yes", but it involves
|
04 Sep 2024, Stefan Ritt, Info, News MSCB++ API
|
I had two free afternoon and took the opportunity to write a new API for the MSCB
system. I'm not sure if anybody else actually uses MSCB (MIDAS slow control bus),
but anyhow.
|
11 Sep 2024, Konstantin Olchanski, Info, News MSCB++ API
|
> Here is some example code:
>
> #include "mscbxx.h"
|
24 Sep 2024, Stefan Ritt, Info, News MSCB++ API
|
> Where is the example of error handling?
#include "mscbxx.h"
|
16 Sep 2024, Marius Köppel, Bug Report, Crash using ODB watch
|
Hi all,
last week I was running MIDAS with the commit 3ad98c5. Today I updated MIDAS and now all my watch functions are crashing. Attached I have a minimal example |
16 Sep 2024, Stefan Ritt, Bug Report, Crash using ODB watch
|
The answer is in the error message: „Object went out of scope“. When your frontent_init() exits, the odb objects are destroyed. When you get a callback,
it‘s linked to the
destroyed object. This is like if you have a local string and pass a reference to that string in the return of the function.
|
16 Sep 2024, Marius Koeppel, Bug Report, Crash using ODB watch
|
This is not the case here. Note that the error message: "Callback received for a midas::odb object which went out of scope" is not called! The segmentation
fault happens later line 96.
|
16 Sep 2024, Stefan Ritt, Bug Report, Crash using ODB watch
|
Well, the object *went* out of scope. For my code it‘s hard to realize this, so the error reporting is poor. Also the first object should have the same
problem. Just by accident that it does not crash.
|
16 Sep 2024, Marius Koeppel, Bug Report, Crash using ODB watch
|
Okay, but this is then a big issue IMO. For Mu3e we do this in every frontend and I also checked again all of these watches are broken at the moment (with
commit 3ad98c5 they worked).
|
16 Sep 2024, Mark Grimes, Bug Report, Crash using ODB watch
|
Hi,
Maybe I've misunderstood the code, but odb::watch() creates a deep copy of itself to set the watch to. The comment where this happens specifies that this
is in case the current one goes out of scope. See https://bitbucket.org/tmidas/midas/src/2878647fb73648474b35223ce53a125180f751b3/src/odbxx.cxx#lines-1393:1395
|
17 Sep 2024, Konstantin Olchanski, Bug Report, Crash using ODB watch
|
> {
> odb new_settings("/Equipment/Test FE/Settings");
> new_settings.watch(watch); // <-- here I am getting a segmentation fault
|
18 Sep 2024, Marius Koeppel, Bug Report, Crash using ODB watch
|
I created a PR to fix this issue https://bitbucket.org/tmidas/midas/pull-requests/42.
The crash happened since the change in commit 3ad98c5 always got the ODB via XML.
However, the creation from XML should only be used when a user wants to read fast (and when we are on a remote machine) so I added the flag use_from_xml |
20 Sep 2024, Stefan Ritt, Bug Report, Crash using ODB watch
|
The problem has been fixed in the current version. Here is my analysis:
- the midas::odb object *can* go out of scope in the function, since the odb::watch() function creates a deep copy of the object.
|
26 Jul 2024, Lukas Gerritzen, Bug Fix, strlcpy and strlcat added to glibc 2.38
|
A year ago, these two function were included in glibc. If trying to compile midas with a recent version of
Ubuntu or Fedora, one gets errors like this:
|
26 Jul 2024, Stefan Ritt, Bug Fix, strlcpy and strlcat added to glibc 2.38
|
Good catch. I added your code to the current develop branch of MIDAS.
Stefan |
13 Sep 2024, Konstantin Olchanski, Bug Fix, mstrcpy, was: strlcpy and strlcat added to glibc 2.38
|
for the record, as ultimate solution, strlcpy() and strlcat() were wholesale
replaced by mstrlcpy() and mstrlcat(). this should fix "missing strlcpy()"
problem for good and make midas more consistent across all platforms (including
|
04 Jul 2024, Nick Hastings, Forum, mfe.cxx with RO_STOPPED and EQ_POLLED
|
Dear Midas experts,
I noticed that a check was added to mfe.cxx in 1961af0d6:
|
06 Aug 2024, Stefan Ritt, Forum, mfe.cxx with RO_STOPPED and EQ_POLLED
|
> I noticed that a check was added to mfe.cxx in 1961af0d6:
>
> + /* check for consistent common settings */
|
13 Sep 2024, Konstantin Olchanski, Bug Report, mfe.cxx with RO_STOPPED and EQ_POLLED
|
> > I noticed that a check was added to mfe.cxx in 1961af0d6:
This is the reason I recommend against using mfe.c based frontends. There was never any
|
13 Sep 2024, Konstantin Olchanski, Bug Fix, rootana bitbucket build fixed
|
rootana bitbucket build is fixed, only a few minor build problems. I am using the
root official docker image (which turned out to not work right out of the box
becuase of missing libvdt-dev package). K.O. |
12 Sep 2024, Konstantin Olchanski, Bug Fix, bitbucket builds repaired
|
bitbucket builds work again, also added ubuntu-24 and almalinux-9.
two problems fixed:
|
08 Aug 2024, Stefan Ritt, Info, mana.cxx
|
We are considering to remove the analyzer framework mana.cxx from MIDAS. It
currently has some compiler warnings and we wonder if we should fix them which
would take some time or just remove the file. We have now to much more modern
|
23 Aug 2024, Stefan Ritt, Info, mana.cxx
|
Ok, no relevant complains so far, so I removed mana and rmana from the CMake build
process, but left the file mana.cxx still in the repository for educational
purposes ;-)
|
11 Sep 2024, Konstantin Olchanski, Info, mana.cxx
|
> Ok, no relevant complains so far, so I removed mana and rmana from the CMake build
> process, but left the file mana.cxx still in the repository for educational
> purposes ;-)
|
25 Aug 2024, Adrian Fisher, Info, Help parsing scdms_v1 data?
|
Hi! I'm working on creating a ksy file to help with parsing some data, but I'm having trouble finding some information. Right now, I have it set up very
rudimentary - it grabs the event header and then uses the data bank size to grab the size of the data, but then I'm needing additional padding after the
data bank to reach the next event.
|
26 Aug 2024, Stefan Ritt, Info, Help parsing scdms_v1 data?
|
The MIDAS event format is described here:
https://daq00.triumf.ca/MidasWiki/index.php/Event_Structure
|
26 Aug 2024, Adrian Fisher, Info, Help parsing scdms_v1 data?
|
[quote="Stefan Ritt"]The MIDAS event format is described here:
https://daq00.triumf.ca/MidasWiki/index.php/Event_Structure
|
11 Sep 2024, Konstantin Olchanski, Info, Help parsing scdms_v1 data?
|
Look at the C++ implementation of the MIDAS data file reader, the code is very
simple to follow.
|
30 Aug 2024, Marius Koeppel, Suggestion, Improve Event Documentation
|
Hi,
I am writing a Rust based midas file reader however it was kind of hard to understand the full midas file
|
01 Sep 2024, Stefan Ritt, Suggestion, Improve Event Documentation
|
> Hi,
>
> I am writing a Rust based midas file reader however it was kind of hard to understand the full midas file
|
01 Sep 2024, Marius Koeppel, Suggestion, Improve Event Documentation
|
> > Hi,
> >
> > I am writing a Rust based midas file reader however it was kind of hard to understand the full midas file
|
02 Sep 2024, Daniel Duque, Suggestion, Improve Event Documentation
|
> I am writing a Rust based midas file reader
You might find this library I wrote useful: https://crates.io/crates/midasio
|
02 Sep 2024, Marius Koeppel, Suggestion, Improve Event Documentation
|
> > I am writing a Rust based midas file reader
>
> You might find this library I wrote useful: https://crates.io/crates/midasio
|
02 Sep 2024, Daniel Duque, Suggestion, Improve Event Documentation
|
> My overall idea here is to connect directly to midas so having some frontend features to analyze the data etc. do
> you also have already a library for this? I can also extend your stuff.
|
11 Sep 2024, Konstantin Olchanski, Suggestion, Improve Event Documentation
|
> I am writing a Rust based midas file reader however it was kind of hard to understand the full midas file
> structure from the documentation.
|
04 Sep 2024, Lukas Gerritzen, Bug Report, Multiple issues with mhist
|
Hi,
I am having some trouble with mhist. I suppose that the problems are at least partially due to our specific needs which might exceed what has been tested. |
11 Sep 2024, Konstantin Olchanski, Bug Report, Multiple issues with mhist
|
I think I can offer some insight into your problems:
1) your mhist crash is due to the ODB timeout, it is probably set to 30 seconds in ODB /programs/mhist. you will
|
30 Apr 2024, Luigi Vigani, Bug Report, Params not initialized when starting sequencer
|
Good afternoon,
After updating Midas to the latest develop commit
|
03 May 2024, Zaher Salman, Bug Report, Params not initialized when starting sequencer
|
Could you please export and send me the /Sequencer ODB tree (or just /Sequencer/Param and /Sequencer/Variables) in both cases while the sequence is running.
|
03 May 2024, Stefan Ritt, Bug Report, Params not initialized when starting sequencer
|
Ok, here is the complete code to reproduce the problem. Load parameter_test.msl which includes functions.msl. From the screenshot you see the variables
containing
garbage, and you also see that from the ODB screenshot. For completeness, I added Sequencer.json which contains the whole sequencer tree.
|
03 May 2024, Luigi Vigani, Bug Report, Params not initialized when starting sequencer
|
It is pretty much the same as Stefan, I attach here the screenshots. Also in my case it works sometimes, and sometimes partially (one or 2 params, like
in
attachment 3).
|
03 May 2024, Zaher Salman, Bug Report, Params not initialized when starting sequencer
|
I have been able to reproduce the problem only once. From what I see, it seems that the Variables ODB tree is not initialized properly from the Param tree.
Below are the messages from the failed run compared to a successful one. As far as I could see, the javascript code does not change anything in the Variables
ODB tree (only monitors it). The actual changes are done by the sequencer program, or am I wrong?
|
03 May 2024, Stefan Ritt, Bug Report, Params not initialized when starting sequencer
|
Ahh, that rings a bell:
1) JS opens start dialog box
|
03 May 2024, Zaher Salman, Bug Report, Params not initialized when starting sequencer
|
Thanks for the hint Stefan. I pushed a possible fix but I cannot test it since I cannot reproduce the issue.
> Ahh, that rings a bell:
|
03 May 2024, Stefan Ritt, Bug Report, Params not initialized when starting sequencer
|
Seems to me like the problem happens less frequently, but I still see it (1 out of 5 or so). The fact that /Sequencer/Params/Value is empty tells me that
the GUI
has the problem and not the sequencer side.
|
10 May 2024, Zaher Salman, Bug Report, Params not initialized when starting sequencer
|
I think that I finally managed to fix the problem. The default values of the parameters are now written first in one go, then the sequencer waits for confirmation
that everything is completed before proceeding. Please test and let me know if there are still any issues.
|
13 May 2024, Luigi Vigani, Bug Report, Params not initialized when starting sequencer
|
[quote="Zaher Salman"]I think that I finally managed to fix the problem. The default values of the parameters are now written first in one go, then the
sequencer waits for confirmation that everything is completed before proceeding. Please test and let me know if there are still any issues.
|
21 May 2024, Thomas Senger, Bug Report, Params not initialized when starting sequencer
|
Hi all,
On develop, the issue seems to be still there and is not fixed.
The parameters are currently "never" correctly initialized, only as "empty". Tried several times.
|
21 May 2024, Zaher Salman, Bug Report, Params not initialized when starting sequencer
|
I traced the problem to a mjsonrpc_db_ls call where I read /Sequencer/Param... . It seems that this sometimes returns a status 312 (DB_NO_KEY) although
I am sure all keys are there in the ODB.
I am still trying to solve this but I may need some help on the mjsonrpc.cxx code.
|
21 May 2024, Zaher Salman, Bug Report, Params not initialized when starting sequencer
|
Hi Thomas,
I have a fix for the issue and I would be happy with testers if you are willing. Simply "git checkout newfeature_ZS" and give it a go. No need to recompile
anything.
|
22 May 2024, Thomas Senger, Bug Report, Params not initialized when starting sequencer
|
Hi Zaher,
thanks for your help.
I just tried the bug fix, but it still seems not to work properly.
|
30 Aug 2024, Zaher Salman, Bug Report, Params not initialized when starting sequencer
|
The issue with the parameters should be fixed now. Please test and let me know if it still happens.
[quote="Thomas Senger"]Hi Zaher,
|
04 Sep 2024, Lukas Gerritzen, Bug Report, Params not initialized when starting sequencer
|
I think I have had similar issues in a custom page, where I wrote values to the ODB and they were not ready when I needed them. If you found a fix to such
race conditions, could you maybe share how to properly treat this issue? If the solution reliably works, we could also consider including it in the documentation
(midaswiki or example.html).
|
04 Sep 2024, Zaher Salman, Bug Report, Params not initialized when starting sequencer
|
The problem here was that the JS code did not wait to msequencer to finish preparing the "/Sequencer/Param" in the ODB, so I had to change to code to wait
for "/Sequencer/Command/Load new file" to be false before proceeding.
|
19 Aug 2024, Konstantin Olchanski, Release, kernel-module-universe updated to -KO7
|
The linux kernel driver for the Universe-II VME to PCI bridge is updated to
version -KO7. It now builds and runs with Debian-12 stock kernel 6.1.0-22-686.
|
19 Aug 2024, Konstantin Olchanski, Release, kernel-module-universe updated to -KO7
|
> The linux kernel driver for the Universe-II VME to PCI bridge is updated to
> version -KO7. It now builds and runs with Debian-12 stock kernel 6.1.0-22-686.
|
19 Aug 2024, Konstantin Olchanski, Release, kernel-module-universe updated to -KO7
|
> > The linux kernel driver for the Universe-II VME to PCI bridge is updated to
> > version -KO7. It now builds and runs with Debian-12 stock kernel 6.1.0-22-686.
|
07 Aug 2024, Lukas Gerritzen, Bug Report, File name bug in csv export
|
When I export data from a history plot, I get nonsensical filenames. For example, for data from today, I got "Xenon-Vacuum-20247107-152815-20247107-160032.csv".
The month shouldn't be 71 but rather 08. The problem is that in the code it's generated as
[CODE]("0" + leftDate.getUTCMonth() + 1).slice(-2)[/CODE]
|
07 Aug 2024, Stefan Ritt, Bug Report, File name bug in csv export
|
Thanks. Fixed. Committed. Pulled on megon02.
Stefan |
07 Aug 2024, Lukas Gerritzen, Bug Report, File name bug in csv export
|
Thanks. I think, mplot.js:1844 should be changed as well, but I haven't tried it with mplot. |
07 Aug 2024, Stefan Ritt, Bug Report, File name bug in csv export
|
Fixed as well. |
04 Jul 2024, Pavel Murat, Suggestion, cmake-installing more files ?
|
Dear all,
this posting results from the Fermilab move to a new packaging/build system called spack
|
06 Aug 2024, Stefan Ritt, Suggestion, cmake-installing more files ?
|
I don't see any bad side effects at the moment, so I accepted the changes and committed them.
Stefan |
31 Jul 2024, Lukas Gerritzen, Bug Report, New history plots: Zooming in on logarithmic y axis does not work as expected
|
Using the mouse to click and drag on a logarithmic y axis triggers a zooming behaviour as if the user zoomed in on a linear axis.
How to reproduce:
|
31 Jul 2024, Stefan Ritt, Bug Report, New history plots: Zooming in on logarithmic y axis does not work as expected
|
I fixed that and committed the change to megon02, just reload your browser. I also set ymin and ymax of the Vacuum plot to meaningful
values (not to zero!).
|
03 Jul 2024, Tam Kai Chung, Bug Report, Fail to build in the examples/experiment
|
Dear experts,
I am a new user of MIDAS. I try to follow the instruction from
https://daq00.triumf.ca/MidasWiki/index.php/Quickstart_Linux
|
04 Jul 2024, Nick Hastings, Bug Report, Fail to build in the examples/experiment
|
I think this may only be an issue on the development branch.
Can you confirm that that is what you are using?
|
05 Jul 2024, Tam Kai Chung, Bug Report, Fail to build in the examples/experiment
|
Hello Nick,
I am using the most updated tag: midas-2022-05-c-1284-g4a77127b.
|
04 Apr 2024, Konstantin Olchanski, Info, MIDAS RPC data format
|
I am not sure I have seen this documented before. MIDAS RPC data format.
1) RPC request (from client to mserver), in rpc_call_encode()
|
24 Apr 2024, Konstantin Olchanski, Info, MIDAS RPC data format
|
> 4.5) TID_IN32|RPC_VARARRAY does not work, corrupts following parameters. MIDAS only uses TID_ARRAY|RPC_VARARRAY
fixed in commit 0f5436d901a1dfaf6da2b94e2d87f870e3611cf1, TID_ARRAY|RPC_VARARRAY was okey (i.e. db_get_value()), bug happened only if rpc_tid_size()
|
02 Jun 2024, Konstantin Olchanski, Info, MIDAS RPC data format
|
> MIDAS RPC data format.
> 3) RPC reply
> 3.1) header:
|
24 Apr 2024, Konstantin Olchanski, Info, MIDAS RPC add support for std::string and std::vector<char>
|
I now fully understand the MIDAS RPC code, had to add some debugging printfs,
write some test code (odbedit test_rpc), catch and fix a few bugs.
|
29 May 2024, Konstantin Olchanski, Info, MIDAS RPC add support for std::string and std::vector<char>
|
This is moving slowly. I now have RPC caller side support for std::string and
std::vector<char>. RPC server side is next. K.O. |
24 May 2024, Konstantin Olchanski, Info, added ubuntu 22 arm64 cross-compilation
|
Ubuntu 22 has almost everything necessary to cross-build arm64 MIDAS frontends:
# apt install g++-12-aarch64-linux-gnu gcc-12-aarch64-linux-gnu-base libstdc++-12-dev-arm64-cross
|
21 May 2024, Nikolay, Bug Report, experiment from midas/examples
|
There are 2 bugs in midas/examples/experiment:
1) In fronted bank named "PRDC" is created for scaler event. But in analyzer
|
17 May 2024, Konstantin Olchanski, Bug Report, odbedit load into the wrong place
|
Trying to restore IRIS ODB was a nasty surprise, old save files are in .odb format and odbedit "load xxx.odb"
does an unexpected thing.
|
18 May 2024, Stefan Ritt, Bug Report, odbedit load into the wrong place
|
Taht's strange. I always was under the impression that .odb files are loaded relatively to the current location in
the ODB. The behaviour should not be different for different data formats, so I agree to change the .odb loading to
behave like the .xml and .json save/load.
|
16 May 2024, Konstantin Olchanski, Bug Report, midas alarm borked condition evaluation
|
I am updating the TRIUMF IRIS experiment to the latest version of MIDAS. I see following error messages in midas.log:
19:06:16.806 2024/05/16 [mhttpd,ERROR] [odb.cxx:6967:db_get_data_index,ERROR] index (29) exceeds array length (20) for key
|
17 May 2024, Stefan Ritt, Bug Report, midas alarm borked condition evaluation
|
This is a common problem I also encountered in the past. You get a low-level ODB access error (could also be a read of a non-existing key) and you
have no idea where this comes from. Could be the alarm system, a mhttpd web page, even some user code in a front-end over which the midas library
has no control.
|
17 May 2024, Konstantin Olchanski, Bug Report, midas alarm borked condition evaluation
|
> This is a common problem I also encountered in the past. You get a low-level ODB access error (could also be a read of a non-existing key) and you
> have no idea where this comes from. Could be the alarm system, a mhttpd web page, even some user code in a front-end over which the midas library
> has no control.
|
17 May 2024, Konstantin Olchanski, Bug Report, midas alarm borked condition evaluation
|
>
> And I think I know what caused the original problem in IRIS experiment, I think the list of EPICS variables got truncated from 30 to 20 and EPICS
> values 29 and 30 used in the alarm conditions have become lost.
|
18 May 2024, Stefan Ritt, Bug Report, midas alarm borked condition evaluation
|
For everybody using EPICS: There is now a new system called MSetPoint (Midas Set Point) to control whole beamlines via EPICS.
It's under midas/msetpoint and the documentation is here:
|
14 May 2024, Konstantin Olchanski, Info, ROOT v6.30.6 requires libtbb-dev
|
root_v6.30.06.Linux-ubuntu22.04-x86_64-gcc11.4 the libtbb-dev package.
This is a new requirement and it is not listed in the ROOT dependancies page (I left a note on the ROOT forum, hopefully it will be
|
29 Apr 2024, Musaab Al-Bakry, Forum, Midas Sequencer with less than 1 second wait
|
Hello there,
I am working on a task that involves some ODB changes that happen within 20-500
|
29 Apr 2024, Stefan Ritt, Forum, Midas Sequencer with less than 1 second wait
|
I guess the simplest way to do that without breaking with existing code is to change the
second number to a float. So a
|
30 Apr 2024, Scott Oser, Forum, Midas Sequencer with less than 1 second wait
|
> I guess the simplest way to do that without breaking with existing code is to change the
> second number to a float. So a
>
|
30 Apr 2024, Stefan Ritt, Forum, Midas Sequencer with less than 1 second wait
|
> This would work fine in principle, but isn't implemented in the current MIDAS sequencer as we understand it. (We tried!) Is your proposal to rewrite
the sequencer
> to allow fractional waits? Right now the code seems to store the start_time as a DWORD and uses atoi to parse the wait time, and uses ss_time (which |
30 Apr 2024, Scott Oser, Forum, Midas Sequencer with less than 1 second wait
|
> > This would work fine in principle, but isn't implemented in the current MIDAS sequencer as we understand it. (We tried!) Is your proposal to rewrite
the sequencer
> > to allow fractional waits? Right now the code seems to store the start_time as a DWORD and uses atoi to parse the wait time, and uses ss_time (which |
30 Apr 2024, Stefan Ritt, Forum, Midas Sequencer with less than 1 second wait
|
While I will do it, i'm not sure if this is what you want. If I understand correctly, some process gets triggered and then writes some values to the ODB,
then the sequencer
should continue. Putting a wait there is dangerous. Maybe your process always takes like 10-20 ms, so you put a wait of let's say 100ms, and things are |
30 Apr 2024, Scott Oser, Forum, Midas Sequencer with less than 1 second wait
|
> While I will do it, i'm not sure if this is what you want. If I understand correctly, some process gets triggered and then writes some values to the ODB,
then the sequencer
> should continue. Putting a wait there is dangerous. Maybe your process always takes like 10-20 ms, so you put a wait of let's say 100ms, and things are |
02 May 2024, Stefan Ritt, Forum, Midas Sequencer with less than 1 second wait
|
Ok, I implemented the float second wait function. Internally it works in ms, so the maximum resolution is 0.001 s.
Best,
|
02 May 2024, Scott Oser, Forum, Midas Sequencer with less than 1 second wait
|
> Ok, I implemented the float second wait function. Internally it works in ms, so the maximum resolution is 0.001 s.
>
> Best,
|
05 May 2024, Musaab Al-Bakry, Forum, Midas Sequencer with less than 1 second wait
|
> > Ok, I implemented the float second wait function. Internally it works in ms, so the maximum resolution is 0.001 s.
> >
> > Best,
|
06 May 2024, Stefan Ritt, Forum, Midas Sequencer with less than 1 second wait
|
Indeed there was a sleep(100ms) in the sequencer in each loop. I reduced it now to 10ms. I need at least 10ms since otherwise
the sequencer would run in an infinite loop during the wait and burn 100% CPU. The smallest time slice on Linux to sleep is
10ms, so that's why I set it to that. Give it a try.
|
06 May 2024, Stefan Ritt, Forum, Midas Sequencer with less than 1 second wait
|
Actually I realized that a 1ms wait still works, so I reduced it to that.
Stefan |
07 May 2024, Musaab Al-Bakry, Forum, Midas Sequencer with less than 1 second wait
|
> Actually I realized that a 1ms wait still works, so I reduced it to that.
>
> Stefan
|
03 May 2024, Thomas Senger, Suggestion, Possible addition to IF Statements
|
Hello there,
in our setup we use many variables with many different exceptions. Would it be possible to implement something like an
IF or/and IF statement? I believe that this is currently not possible.
|
03 May 2024, Stefan Ritt, Suggestion, Possible addition to IF Statements
|
The tinyexpr library I use to evaluate expressions does not support boolean operations. I would have to switch to the newer
tineyexpr-plusplus version, which also has much richer functionality:
|
15 Apr 2024, Konstantin Olchanski, Bug Report, open MIDAS RPC ports
|
we had a bit of trouble with open network ports recently and I now think security of MIDAS RPC
ports needs to be tightened.
|
15 Apr 2024, Stefan Ritt, Bug Report, open MIDAS RPC ports
|
One thing coming to my mind is the interface binding. If you have a midas host with two networks
("global" and "local"=192.168.x.x), you can tell to which interface a socket should bind.
By default it binds both interfaces, but we could restrict the socket only to bind to the local
|
18 Mar 2024, Grzegorz Nieradka, Bug Report, Midas (manalyzer) + ROOT 6.31/01 - compilation error
|
I tried to update MIDAS installation on Ubuntu 22.04.1 to the latest commit at
the bitbucket.
|
18 Mar 2024, Konstantin Olchanski, Bug Report, Midas (manalyzer) + ROOT 6.31/01 - compilation error
|
> [ 34%] Linking CXX executable manalyzer_test.exe
> /usr/bin/ld: /home/astrocent/workspace/root/root_install/lib/libRIO.so: undefined
> reference to
|
19 Mar 2024, Grzegorz Nieradka, Bug Report, Midas (manalyzer) + ROOT 6.31/01 - compilation error
|
Dear Konstantin,
Thank you for your interest in my problem.
|
19 Mar 2024, Konstantin Olchanski, Bug Report, Midas (manalyzer) + ROOT 6.31/01 - compilation error
|
ok, thank you for your information. I cannot reproduce this problem, I use vanilla Ubuntu
LTS 22, ROOT binary kit root_v6.30.02.Linux-ubuntu22.04-x86_64-gcc11.4 from root.cern.ch
and latest midas from git.
|
19 Mar 2024, Konstantin Olchanski, Bug Report, Midas (manalyzer) + ROOT 6.31/01 - compilation error
|
> ok, thank you for your information. I cannot reproduce this problem, I use vanilla Ubuntu
> LTS 22, ROOT binary kit root_v6.30.02.Linux-ubuntu22.04-x86_64-gcc11.4 from root.cern.ch
> and latest midas from git.
|
28 Mar 2024, Grzegorz Nieradka, Bug Report, Midas (manalyzer) + ROOT 6.31/01 - compilation error
|
I found solution for my trouble. With MIDAS and ROOT everything is OK,
the trobule was with my Ubuntu enviroment.
|
02 Apr 2024, Konstantin Olchanski, Bug Report, Midas (manalyzer) + ROOT 6.31/01 - compilation error
|
> I found solution for my trouble. With MIDAS and ROOT everything is OK,
> the trobule was with my Ubuntu enviroment.
|
02 Apr 2024, Zaher Salman, Info, Sequencer editor
|
Dear all,
Stefan and I have been working on improving the sequencer editor to make it look and feel more like a standard editor. This sequencer v2 has been finally
merged into the develop branch earlier today.
|
02 Apr 2024, Konstantin Olchanski, Info, Sequencer editor
|
> Stefan and I have been working on improving the sequencer editor ...
Looks grand! Congratulations with getting it completed. The previous version was
|
01 Apr 2024, Konstantin Olchanski, Info, xz-utils bomb out, compression benchmarks
|
you may have heard the news of a major problem with the xz-utils project, authors of the popular "xz" file compression,
https://nvd.nist.gov/vuln/detail/CVE-2024-3094
|
10 Mar 2024, Zaher Salman, Bug Report, Autostart program
|
Hello everyone,
It seems that if a frontend is started automatically by using Program->Auto start then the status page does not show it as started. This is since the FE |
11 Mar 2024, Konstantin Olchanski, Bug Report, Autostart program
|
> It seems that if a frontend is started automatically by using Program->Auto start then the status page does not show it as started. This is since the
FE name has a number after the name. If I stop and start manually then the status page shows the correct state of the FE. Am I doing something wrong or
is this a bug somewhere?
|
08 Mar 2024, Konstantin Olchanski, Info, MIDAS frontend for WIENER L.V. P.S. and VME crates
|
Our MIDAS frontend for WIENER power supplies is now available as a standalone git repository.
https://bitbucket.org/ttriumfdaq/fewienerlvps/src/master/
|
27 Feb 2024, Pavel Murat, Forum, displaying integers in hex format ?
|
Dear MIDAS Experts,
I'm having an odd problem when trying to display an integer stored in ODB on a custom
|
27 Feb 2024, Stefan Ritt, Forum, displaying integers in hex format ?
|
Thanks for reporting that bug. I fixed it and committed the change to the develop branch.
Stefan |
27 Feb 2024, Pavel Murat, Forum, displaying integers in hex format ?
|
Hi Stefan (and Ben),
thanks for reacting so promptly - your commits on Bitbucket fixed the problem.
|
30 Mar 2016, Belina von Krosigk, Forum, mserver ERR message saying data area 100% full, though it is free
|
Hi,
I have just installed Midas and set-up the ODB for a SuperCDMS test-facility (on
|
26 Feb 2024, Maia Henriksson-Ward, Forum, mserver ERR message saying data area 100% full, though it is free
|
> Hi,
>
> I have just installed Midas and set-up the ODB for a SuperCDMS test-facility (on
|
28 Jan 2024, Pavel Murat, Forum, number of entries in a given ODB subdirectory ?
|
Dear MIDAS experts,
- I have a detector configuration with a variable number of hardware components - FPGA's receiving data
|
28 Jan 2024, Konstantin Olchanski, Forum, number of entries in a given ODB subdirectory ?
|
Very good question. It exposes a very nasty problem, the race condition between "ls" and "rm". While you are
looping over directory entries, somebody else is completely permitted to remove one of the files (or add more
files), making the output of "ls" incorrect (contains non-existant/removed files, does not contain newly added
|
28 Jan 2024, Stefan Ritt, Forum, number of entries in a given ODB subdirectory ?
|
I guess you won't change your FPGA configuration just when you start a run, so I don't consider the race
condition very crucial (although KO is correct, it it there).
|
29 Jan 2024, Pavel Murat, Forum, number of entries in a given ODB subdirectory ?
|
Hi Stefan, Konstantin,
thanks a lot for your responses - they are very teaching and it is good to have them archived in the forum.
|
29 Jan 2024, Konstantin Olchanski, Forum, number of entries in a given ODB subdirectory ?
|
> https://chat.openai.com/share/d927c78d-9914-4413-ab5e-3b0e5d173132
>
> Please note that you never can be 100% sure that the code from a LLM is correct
|
03 Feb 2024, Pavel Murat, Forum, number of entries in a given ODB subdirectory ?
|
Konstantin is right: KEY.num_values is not the same as the number of subkeys (should it be ?)
For those looking for an example in the future, I attach a working piece of code converted
from the ChatGPT example, together with its printout.
|
08 Feb 2024, Stefan Ritt, Forum, number of entries in a given ODB subdirectory ?
|
> Konstantin is right: KEY.num_values is not the same as the number of subkeys (should it be ?)
For ODB keys of type TID_KEY, the value num_values IS the number of subkeys. The only issue here is
|
11 Feb 2024, Pavel Murat, Forum, number of entries in a given ODB subdirectory ?
|
> For ODB keys of type TID_KEY, the value num_values IS the number of subkeys.
this logic makes sense, however it doesn't seem to be consistent with the printout of the test example
|
13 Feb 2024, Stefan Ritt, Forum, number of entries in a given ODB subdirectory ?
|
> > For ODB keys of type TID_KEY, the value num_values IS the number of subkeys.
>
> this logic makes sense, however it doesn't seem to be consistent with the printout of the test example
|
15 Feb 2024, Konstantin Olchanski, Forum, number of entries in a given ODB subdirectory ?
|
> > > For ODB keys of type TID_KEY, the value num_values IS the number of subkeys.
> >
> > this logic makes sense, however it doesn't seem to be consistent with the printout of the test example
|
15 Feb 2024, Konstantin Olchanski, Forum, number of entries in a given ODB subdirectory ?
|
> > You are right, num_values is always 1 for TID_KEYS. The number of subkeys is stored in
> > ((KEYLIST *) ((char *)pheader + pkey->data))->num_keys
> > Maybe we should add a function to return this. But so far db_enum_key() was enough.
|
15 Feb 2024, Stefan Ritt, Forum, number of entries in a given ODB subdirectory ?
|
> Hmm... is there any use case where you want to know the number of directory entries, but you will not iterate
> over them later?
|
19 Feb 2024, Pavel Murat, Forum, number of entries in a given ODB subdirectory ?
|
> > Hmm... is there any use case where you want to know the number of directory entries, but you will not iterate
> > over them later?
>
|
15 Jan 2024, Frederik Wauters, Forum, dump history FILE files
|
We switched from the history files from MIDAS to FILE, so we have *.dat files now (per variable), instead of the old *.hst.
How shoul
|
28 Jan 2024, Konstantin Olchanski, Forum, dump history FILE files
|
$ cat mhf_1697445335_20231016_run_transitions.dat
event name: [Run transitions], time [1697445335]
tag: tag: /DWORD 1 4 /timestamp
|
18 Feb 2024, Frederik Wauters, Forum, dump history FILE files
|
> $ cat mhf_1697445335_20231016_run_transitions.dat
> event name: [Run transitions], time [1697445335]
> tag: tag: /DWORD 1 4 /timestamp
|
14 Feb 2024, Konstantin Olchanski, Info, bitbucket permissions
|
I pushed some buttons in bitbucket user groups and permissions to make it happy
wrt recent changes.
|
03 Feb 2024, Pavel Murat, Bug Report, string --> int64 conversion in the python interface ?
|
Dear MIDAS experts,
I gave a try to the MIDAS python interface and ran all tests available in midas/python/tests.
|
05 Feb 2024, Ben Smith, Bug Fix, string --> int64 conversion in the python interface ?
|
> The symptoms are consistent with a string --> int64 conversion not happening
> where it is needed.
|
13 Feb 2024, Konstantin Olchanski, Bug Fix, string --> int64 conversion in the python interface ?
|
> > The symptoms are consistent with a string --> int64 conversion not happening
> > where it is needed.
>
|
14 Feb 2024, Konstantin Olchanski, Bug Fix, added ubuntu-22 to nightly build on bitbucket, now need python!
|
> Are we running these tests as part of the nightly build on bitbucket? They would be part of
> the "make test" target. Correct python dependancies may need to be added to the bitbucket OS
> image in bitbucket-pipelines.yml. (This is a PITA to get right).
|
05 Feb 2024, Pavel Murat, Forum, forbidden equipment names ?
|
Dear MIDAS experts,
I have multiple daq nodes with two data receiving FPGAs on the PCIe bus each.
|
13 Feb 2024, Konstantin Olchanski, Forum, forbidden equipment names ?
|
> equipment names are 'mu2edaq09:DTC0' and 'mu2edaq09:DTC1'
I think all names permitted for ODB keys are allowed as equipment names, any valid UTF-8,
|
12 Feb 2024, Konstantin Olchanski, Info, MIDAS and ROOT 6.30
|
Starting around ROOT 6.30, there is a new dependency requirement for nlohmann-json3-dev from https://github.com/nlohmann/json.
If you use a Ubuntu-22 ROOT binary kit from root.cern.ch, MIDAS build will bomb with errors: Could not find a package configuration file provided by "nlohmann_json"
|
16 Jan 2024, Pavel Murat, Forum, a scroll option for "add history variables" window?
|
Dear all,
I have a "slow control" frontend which reads out 100 slow control parameters.
|
16 Jan 2024, Stefan Ritt, Forum, a scroll option for "add history variables" window?
|
Have you updated to the current midas version? This issue has been fixed a while ago. Below
you see a screenshot of a long list scrolled all the way to the bottom.
|
17 Jan 2024, Pavel Murat, Forum, a scroll option for "add history variables" window?
|
> Have you updated to the current midas version? This issue has been fixed a while ago.
Hi Stefan, thanks a lot! I pulled from the head, and the scrolling works now. -- regards, Pasha |
28 Jan 2024, Konstantin Olchanski, Forum, a scroll option for "add history variables" window?
|
> > Have you updated to the current midas version? This issue has been fixed a while ago.
>
> Hi Stefan, thanks a lot! I pulled from the head, and the scrolling works now. -- regards, Pasha
|
29 Jan 2024, Pavel Murat, Forum, a scroll option for "add history variables" window?
|
> If you have some ideas on how to better present 100500 history variables, please shout out!
let me share some thoughts. In a particular case which lead to the original posting,
|
29 Jan 2024, Konstantin Olchanski, Forum, a scroll option for "add history variables" window?
|
familiar situation, "too much data", you dice t or slice it, still too much. BTW, you can try to generate history
plot ODB entries from your program instead of from the history plot editor. K.O. |
22 Jan 2024, Ben Smith, Bug Report, Warnings about ODB keys that haven't been touched for 10+ years
|
We have an experiment that's been running for a long time and has some ODB keys that haven't been touched in ages. Mostly related to features that we don't
use like the elog and lazylogger, or things that don't change often (like the logger data directory).
|
22 Jan 2024, Stefan Ritt, Bug Report, Warnings about ODB keys that haven't been touched for 10+ years
|
> What's the best way to make these messages go away?
> - Change the logic in db_validate_and_repair_key_wlocked() to not worry if keys are 10+ years old?
> - Write a script to "touch" all the old keys so they've been modified recently?
|
23 Jan 2024, Nick Hastings, Bug Report, Warnings about ODB keys that haven't been touched for 10+ years
|
Hi,
> What's the best way to make these messages go away?
|
24 Jan 2024, Pavel Murat, Bug Report, Warnings about ODB keys that haven't been touched for 10+ years
|
I don't immediately see a reason for saying that if a DB key is older than 10 yrs, it may not be valid.
However, it would be worth learning what was the logic behind choosing 10 yrs as a threshold.
|
28 Jan 2024, Konstantin Olchanski, Bug Report, Warnings about ODB keys that haven't been touched for 10+ years
|
> I don't immediately see a reason for saying that if a DB key is older than 10 yrs, it may not be valid.
>
> However, it would be worth learning what was the logic behind choosing 10 yrs as a threshold.
|
28 Jan 2024, Stefan Ritt, Bug Report, Warnings about ODB keys that haven't been touched for 10+ years
|
> Please run "git blame" to find out who added that check.
OK ok, was me. But actually 2003. I hope that this being more than 20y ago excuses me not remembering it ;-)
|
11 Dec 2023, Pavel Murat, Forum, the logic of handling history variables ? 11x
|
Dear MIDAS developers,
I'm trying to understand handling of the history (slow control) variables in MIDAS,
|
11 Dec 2023, Stefan Ritt, Forum, the logic of handling history variables ?
|
First of all it's important to understand that the slow control system has nothing to do
with events. So if you look at event statistics, these are the events with the slow control
data sent to the midas data file, not the history database. So the logging period (the one you
|
12 Dec 2023, Pavel Murat, Forum, the logic of handling history variables ?
|
Hi Sfefan, thanks a lot for taking time to reproduce the issue!
Here comes the resolution, and of course, it was something deeply trivial :
|
13 Dec 2023, Stefan Ritt, Forum, the logic of handling history variables ?
|
> Also, I think that having a sine wave displayed by midas/examples/slowcont/scfe.cxx
> would make this example even more helpful.
|
28 Jan 2024, Konstantin Olchanski, Forum, the logic of handling history variables ?
|
MIDAS history is very simple:
from your frontend, your write your history data to ODB /eq/xxx/variables (see below)
|
10 Jan 2024, Pavel Murat, Forum, slow control frontends - how much do they sleep and how often their drivers are called?
|
Dear all,
I have implemented a number of slow control frontends which are directed to update the
|
11 Jan 2024, Stefan Ritt, Forum, slow control frontends - how much do they sleep and how often their drivers are called?
|
Put a
ss_sleep(10);
|
11 Jan 2024, Pavel Murat, Forum, slow control frontends - how much do they sleep and how often their drivers are called?
|
Hi Stefan, thanks a lot !
I just thought that for the EQ_SLOW type equipment calls to sleep() could be hidden in mfe.cxx
|
12 Jan 2024, Stefan Ritt, Forum, slow control frontends - how much do they sleep and how often their drivers are called?
|
> Hi Stefan, thanks a lot !
>
> I just thought that for the EQ_SLOW type equipment calls to sleep() could be hidden in mfe.cxx
|
28 Jan 2024, Konstantin Olchanski, Forum, slow control frontends - how much do they sleep and how often their drivers are called?
|
> I have implemented a number of slow control frontends which are directed to update the
> history once in every 10 sec, and they do just that.
|
17 Jan 2024, Francesco Renga, Forum, History tags
|
Dear experts,
I would like to have some clarification about the meaning and use of the
tags in the ODB under /History/Tags.
|
18 Jan 2024, Stefan Ritt, Forum, History tags
|
This part of the system has been designed by KO, so he should reply here.
Stefan |
28 Jan 2024, Konstantin Olchanski, Forum, History tags
|
> This part of the system has been designed by KO, so he should reply here.
That's right. Some of this stuff is historical gibberish that is no longer needed
|
17 Jan 2024, Andreas Suter, Bug Report, mhttpd eqtable
|
Hi,
I like the new eqtable, but stumbled over some issues.
|
17 Jan 2024, Stefan Ritt, Bug Report, mhttpd eqtable
|
> 1) In the attached snapshot you see that the values shown from our vacuum Pirani and Penning cells are all zero, which of course is not true.
> It would be nice to have under the equipment settings some formatting options, like the possibility to add units.
|
17 Jan 2024, Andreas Suter, Bug Report, mhttpd eqtable
|
Great! This is it.
Sorry that I missed it in the docu.
|
18 Jan 2024, Andreas Suter, Forum, mhttpd eqtable
|
I have two more questions related to Units, Format for Equipment/Settings:
1) It looks as if I can have units per channel only for the Input/Output channels but not for Demand/Measured channels.
|
18 Jan 2024, Stefan Ritt, Forum, mhttpd eqtable
|
I fixed both in the current version, so please give it a try.
Stefan |
02 Jan 2024, Konstantin Olchanski, Forum, midas.triumf.ca alias moved to daq00.triumf.ca
|
the DNS alias for midas.triumf.ca moved from old ladd00.triumf.ca to new
daq00.triumf.ca. same as before it redirects to the MidasWiki and to the midas
forum (elog) that moved from ladd00 to daq00 quite some time ago. if you see any
|
03 Jan 2024, Stefan Ritt, Forum, midas.triumf.ca alias moved to daq00.triumf.ca
|
> the DNS alias for midas.triumf.ca moved from old ladd00.triumf.ca to new
> daq00.triumf.ca. same as before it redirects to the MidasWiki and to the midas
> forum (elog) that moved from ladd00 to daq00 quite some time ago. if you see any
|
03 Jan 2024, Konstantin Olchanski, Forum, midas.triumf.ca alias moved to daq00.triumf.ca
|
> I found the first issue: The link to
> https://midas.triumf.ca/MidasWiki/index.php/Custom_plots_with_mplot
|
12 Dec 2023, Zaher Salman, Bug Report, Compilation error on RPi
|
Hello,
Since commit bc227a8a34def271a598c0200ca30d73223c3373 I've been getting the compilation error below (on a Raspberry Pi 3 Model B Plus Rev
1.3). |
14 Dec 2023, Zaher Salman, Bug Report, Compilation error on RPi
|
This issue was resolved thanks to Konstantin and Stefan. I simply had to update submodules:
git submodule update
|
29 Dec 2023, Konstantin Olchanski, Bug Report, Compilation error on RPi
|
> git pull
> git submodule update
|
03 Jan 2024, Stefan Ritt, Bug Report, Compilation error on RPi
|
> > git pull
> > git submodule update
>
|
27 Dec 2023, Konstantin Olchanski, Forum, MidasWiki updated to 1.39.6
|
MidasWiki was updated to current mediawiki LTS 1.39.6 supported until Nov 2025,
see https://www.mediawiki.org/wiki/Version_lifecycle
|
15 Dec 2023, Stefan Ritt, Info, Implementation of custom scatter, histogram and color map plots
|
Custom plots including scatter, histogram and color map plots have been
implemented. This lets you plot graphs of X/Y data or histogram data stored in the
ODB on a custom page. For some examples and documentation please go to
|
07 Dec 2023, Stefan Ritt, Info, Midas Holiday Update
|
Dear beloved MIDAS users,
I'm happy to announce a "holiday update" for MIDAS. In countless hours, Zaher from
|
10 Dec 2023, Andreas Suter, Info, Midas Holiday Update
|
Hi Stefan and Zaher,
there is a problem with the new sequencer interface for midas.
|
10 Dec 2023, Stefan Ritt, Info, Midas Holiday Update
|
> If I understand the msequencer code correctly:
> Under '/Sequencer/State/Path' the path can be defined from where the msequencer gets the files, generates the xml, etc.
> However, the new javascript code reads/writes the files to '<exp>/userfiles/sequencer/'
|
10 Dec 2023, Andreas Suter, Info, Midas Holiday Update
|
> > If I understand the msequencer code correctly:
> > Under '/Sequencer/State/Path' the path can be defined from where the msequencer gets the files, generates the xml, etc.
> > However, the new javascript code reads/writes the files to '<exp>/userfiles/sequencer/'
|
12 Dec 2023, Stefan Ritt, Info, Midas Holiday Update
|
> > 3) Make /Sequencer/State/Path relative to <exp>/userfiles. Like if /Sequencer/State/Path=test would then result to a final directory <exp>/userfiles/sequencer/test
> >
> > I'm kind of tempted to go with 3), since this allows the experiment to define different subdirectories under <exp>/userfiles/sequencer/... depending |
09 Dec 2023, Pavel Murat, Forum, history plotting: where to convert the ADC readings into temps/voltages?
|
to plot time dependencies of the monitored detector parameters, say, voltages or temperatures,
one needs to convert the coresponging ADC readings into floats.
|
10 Dec 2023, Stefan Ritt, Forum, history plotting: where to convert the ADC readings into temps/voltages?
|
> to plot time dependencies of the monitored detector parameters, say, voltages or temperatures,
> one needs to convert the coresponging ADC readings into floats.
>
|
09 Dec 2023, Pavel Murat, Forum, how to fix forgotten password ?
|
[Dear All, I apologize in advance for spamming.]
1) I tried to login into the forum from the lab computer and realized
|
22 Nov 2023, Pavel Murat, Forum, run number from an external (*SQL) db?
|
Dear MIDAQ developers,
I wonder if there is a non-intrusive way to have an external (wrt MIDAS)*SQL database
|
22 Nov 2023, Ben Smith, Forum, run number from an external (*SQL) db?
|
> I wonder if there is a non-intrusive way to have an external (wrt MIDAS)*SQL database
> serving as a primary source of the run number information for a MIDAS-based DAQ system?
> - like a plugin with a getNextRunNumber() function, for example, or a special client?
|
22 Nov 2023, Stefan Ritt, Forum, run number from an external (*SQL) db?
|
> - multiple subdetectors are taking test data during early commissioning
> - a postgres db is a single sorce of run numbers.
> - test runs taken by different subsystems are assigned different [unique] run numbers and
|
01 Dec 2023, Pavel Murat, Forum, run number from an external (*SQL) db?
|
> > - multiple subdetectors are taking test data during early commissioning
> > - a postgres db is a single sorce of run numbers.
> > - test runs taken by different subsystems are assigned different [unique] run numbers and
|
02 Dec 2023, Stefan Ritt, Forum, run number from an external (*SQL) db?
|
> Stefan, I don't think we're talking 'mis-use' - rather different subdetectors being commisisoned
> at different locations, on an uncorrelated schedule, using independent run control (RC) instances.
> At this point in time, we can't use a common RC instance.
|
02 Dec 2023, Pavel Murat, Forum, run number from an external (*SQL) db?
|
>
> If you go in this direction, there is an alternative to what Ben wrote: Use the sequencer to start a run.
> The sequencer script can obtain a new run number from a central instance (e.g. by calling a shell script
|
03 Dec 2023, Pavel Murat, Forum, run number from an external (*SQL) db?
|
> - how does one communicate with an external shell script from MSL ?
trying to answer my own question, as I didn't find a clear answer in the forum archive :
|
04 Dec 2023, Stefan Ritt, Forum, run number from an external (*SQL) db?
|
> [that was not obvious from the documentation on MIDAS wiki, and adding a couple of clarifying
> sentences there would go long ways]
|
04 Dec 2023, Stefan Ritt, Forum, run number from an external (*SQL) db?
|
> - how does one communicate with an external shell script from MSL ? I looked at the MIDAS Sequencer page
>
> https://daq00.triumf.ca/MidasWiki/index.php/Sequencer
|
01 Dec 2023, Pavel Murat, Forum, MIDAS state machine : how to get around w/o 'configured' state?
|
I have one more question, though I understand that it could be somewhat border-line.
The MIDAS state machine doesn't seem to have a state in between 'initialized' and
|
02 Dec 2023, Stefan Ritt, Forum, MIDAS state machine : how to get around w/o 'configured' state?
|
> The MIDAS state machine doesn't seem to have a state in between 'initialized' and
> 'running'.
> In a larger detectors with multiple subsystems, the DAQ systems often have one more state:
|
02 Dec 2023, Pavel Murat, Forum, MIDAS state machine : how to get around w/o 'configured' state?
|
> - To start a run, we start a special sequencer script. We have different scripts for
> calibration runs, data runs, special runs.
>
|
21 Nov 2023, Ivo Schulthess, Forum, Polled frontend writes data to ODB without RO_ODB
|
Good morning,
In our setup, we have a neutron detector that creates up to 16 MB of polled (EQ_POLLED) data in one event (event limit = 1) that we do not want to have |
22 Nov 2023, Stefan Ritt, Forum, Polled frontend writes data to ODB without RO_ODB
|
I cannot confirm that. I just tried myself with examples/experiment/frontend.cxx, removed the RO_ODB, and the trigger events did NOT get copied to the ODB.
Actually you can debug the code yourself. The relevant line is in mfe.cxx:2075:
|
13 Nov 2023, Ivo Schulthess, Forum, mlogger does not HAVE_ROOT
|
Good evening,
I am setting up Midas (v2.1) for a new experiment. We want to save the data in the ROOT format. We installed ROOT from source (v6.28/06), and ROOTSYS is |
13 Nov 2023, Konstantin Olchanski, Forum, mlogger does not HAVE_ROOT
|
> I am setting up Midas (v2.1) for a new experiment. We want to save the data in the ROOT format. We installed ROOT from source (v6.28/06), and ROOTSYS
is set. When we compile Midas, it says that it found ROOT. We set up a second logger channel where we set the filename to run%05d.root, the format to ROOT,
and the output to ROOT. Nevertheless, when starting a run, the logger writes the error that "channel '1' requested ROOT output, but mlogger is built without |
13 Nov 2023, Stefan Ritt, Forum, mlogger does not HAVE_ROOT
|
When you do "cmake .." in the build directory, you will see
-- MIDAS: Found ROOT version xxx in yyy
|
14 Nov 2023, Konstantin Olchanski, Forum, mlogger does not HAVE_ROOT
|
> Finally, make sure you start "rmlogger" and not "mlogger". Only "rmlogger" contains the ROOT binding.
Stefan is right. I forgot this. As solution to our troubles, mlogger is built without root support. use rmlogger instead.
|
14 Nov 2023, Ivo Schulthess, Forum, mlogger does not HAVE_ROOT
|
> Stefan is right. I forgot this. As solution to our troubles, mlogger is built without root support. use rmlogger instead.
>
> K.O.
|
14 Nov 2023, Stefan Ritt, Forum, mlogger does not HAVE_ROOT
|
No, I'm not aware of this problem, but I suspect that your events somehow got corrupted. You can try the mdump utility
or the "Event Dump" web page to peek into your events, maybe you see an issue there. To give you more detailed information,
I would have to reproduce your problem, which is probably hard without your hardware.
|
15 Nov 2023, Ivo Schulthess, Forum, mlogger does not HAVE_ROOT
|
> No, I'm not aware of this problem, but I suspect that your events somehow got corrupted. You can try the mdump utility
> or the "Event Dump" web page to peek into your events, maybe you see an issue there. To give you more detailed information,
> I would have to reproduce your problem, which is probably hard without your hardware.
|
23 Oct 2023, Francesco Renga, Forum, Device with inputs and outputs
|
Dear all,
I'm writing a very simple device driver starting from the nulldev.cxx
example.
|
24 Oct 2023, Stefan Ritt, Forum, Device with inputs and outputs
|
The "multi" class driver takes care of that. It properly calls the SET and GET functions
with the correct index. The code for that is in multi.cxx:105:
|
03 Oct 2023, Gennaro Tortone, Bug Report, Python midas.file_reader get_eor_odb_dump()
|
Hi,
|
16 Oct 2023, Ben Smith, Bug Report, Python midas.file_reader get_eor_odb_dump()
|
Thanks for the bug report Gennaro!
I've fixed the code so that we'll now find the end-of-run ODB dump even if the user is already at the end of the file when they call get_eor_odb_dump().
|
06 Oct 2023, Stefan Ritt, Info, New equipment display
|
Since a long time we tried to convert all "static" mhttpd-generated pages to
dynamic JavaScript. With the new history panel editor we were almost there. Now I
committed the last missing piece - the equipment display. This is shown when you
|
09 Oct 2023, Stefan Ritt, Info, New equipment display
|
An additional functionality has been implemented on the equipment table:
You can now select several elements by Ctrl/Shift-Click on their names, then change the
|
06 Oct 2023, Konstantin Olchanski, Info, new history panel editor
|
the new history panel editor has been activated. it is meant to work the same as
the old editor, with some improvements to the history variables selection page.
this new version is written in html+javascript and it will be easier to improve,
|
06 Oct 2023, Konstantin Olchanski, Info, default midas history switched to "FILE" and "PerVariable" history
|
We are very happy with the "FILE" implementation of MIDAS history and it is time
to make it the default for new experiments. This history driver works best if
"per variable" history is alos enabled. (SQL history already only works in "per-
|
02 Aug 2023, Stefan Ritt, Bug Report, Error accessing history files
|
We sporadically (like once per few hours) have an error message when we access the
history plots through mhttpd:
|
09 Aug 2023, Konstantin Olchanski, Bug Report, Error accessing history files
|
I confirm I see same on the agmini system. Two problems: (a) error message is wrong, it's a
short read, not a read error (clue: read() syscall does not return "no such file"). (b)
mlogger is supposed to write history in record-size blocks, read in the same record size
|
16 Aug 2023, Stefan Ritt, Bug Report, Error accessing history files
|
Tonight we got another error of that type after the update:
04:17 - [mhttpd,ERROR] [history_schema.cxx:2913:FileHistory::read_data,ERROR] Cannot read
|
17 Aug 2023, Konstantin Olchanski, Bug Report, Error accessing history files
|
Confirmed. The error message is wrong. It is printed after a short read(), but short read() does not
set errno, and errno reported by the error message is from some previous syscall. Corrected error
message is already committed. K.O.
|
19 Aug 2023, Stefan Ritt, Bug Report, Error accessing history files
|
Still get the same error with the latest version:
3:28 [mhttpd,ERROR] [history_schema.cxx:2913:FileHistory::read_data,ERROR] Cannot read
|
06 Oct 2023, Konstantin Olchanski, Bug Report, Error accessing history files
|
> Still get the same error with the latest version:
> 3:28 [mhttpd,ERROR] [history_schema.cxx:2913:FileHistory::read_data,ERROR] Cannot read
> '/data2/history/mhf_1692391703_20230818_hv_tc.dat', read() errno 2 (No such file or directory)
|
06 Oct 2023, Konstantin Olchanski, Bug Report, Error accessing history files
|
> two fixes forthcoming:
> a) check for short read in the 2nd place that I missed
> b) two write() are replaced by 2 memcpy() to a preallocated buffer and 1 write()
|
03 Oct 2023, Konstantin Olchanski, Bug Fix, wrong array size after loading xml or json file
|
both the xml and the json decoders have a bug (fix pending). loading saved odb
from xml and json file did not truncate arrays in odb to the size of arrays in
the file. for example, if /example/double_array has size 20 in odb, but size 5
|
30 Sep 2023, Gennaro Tortone, Bug Report, ODB page and hex values
|
Hi,
|
01 Oct 2023, Stefan Ritt, Bug Report, ODB page and hex values
|
Thanks for reporting this bug, I fixed it in the last commit.
Best,
|
26 Sep 2023, Stefan Ritt, Info, mjsonrpc_db_save / mjsonrpc_db_load have been dropped
|
The JavaScript function
mjsonrpc_db_save / mjonrpc_db_load
|
24 Sep 2023, Frederik Wauters, Suggestion, scroll when browsing for a link
|
Another small user experience request:
When making a link in the odb (web interface) a nice browser window pop's up. There is however not scrolling possible in the window. As a result, you can |
26 Sep 2023, Stefan Ritt, Suggestion, scroll when browsing for a link
|
> When making a link in the odb (web interface) a nice browser window pop's up. There is however not scrolling possible in the window. As a result, you
can not reach a odb key if it is nested to deeply.
>
|
19 Sep 2023, Frederik Wauters, Bug Report, epics fe "Start Command"
|
The epics frontend overwrites the "start command" odb after each start:
// set start command in ODB
|
20 Sep 2023, Stefan Ritt, Bug Report, epics fe "Start Command"
|
Thanks for reporting this problem. It has been fixed today, so the start command is only written if it's emtpy.
Stefan |
08 Sep 2023, Nick Hastings, Forum, Hide start and stop buttons
|
The wiki documents an odb variable to enable the hiding of the Start and Stop buttons on the mhttpd status page
https://daq00.triumf.ca/MidasWiki/index.php//Experiment_ODB_tree#Start-Stop_Buttons
|
08 Sep 2023, Nick Hastings, Forum, Hide start and stop buttons
|
> Is there now some other mechanism to hide the start and stop buttons?
> Note that this is for a pure slow control system that does not take runs.
|
13 Sep 2023, Stefan Ritt, Forum, Hide start and stop buttons
|
Indeed the ODB settings are obsolete. Now that the status page is fully dynamic
(JavaScript), it's much more powerful to modify the status.html page directly. You
can not only hide the buttons, but also remove the run numbers, the running time,
|
13 Sep 2023, Nick Hastings, Forum, Hide start and stop buttons
|
Hi Stefan,
> Indeed the ODB settings are obsolete.
|
13 Sep 2023, Stefan Ritt, Forum, Hide start and stop buttons
|
> Hi Stefan,
>
> > Indeed the ODB settings are obsolete.
|
14 Sep 2023, Konstantin Olchanski, Forum, Hide start and stop buttons
|
I believe the original "hide run start / stop" was added specifically for ND280 GSC MIDAS. I do not know
why it was removed. "hide pause / resume" is still there. I will restore them. Hiding logger channel
section should probably be automatic of there is no /logger/channels, I can check if it works and what
|
14 Sep 2023, Stefan Ritt, Forum, Hide start and stop buttons
|
> I believe the original "hide run start / stop" was added specifically for ND280 GSC MIDAS. I do not know
> why it was removed. "hide pause / resume" is still there. I will restore them. Hiding logger channel
> section should probably be automatic of there is no /logger/channels, I can check if it works and what
|
15 Sep 2023, Stefan Ritt, Forum, Hide start and stop buttons
|
> I believe the original "hide run start / stop" was added specifically for ND280 GSC MIDAS. I do not know
> why it was removed. "hide pause / resume" is still there. I will restore them. Hiding logger channel
> section should probably be automatic of there is no /logger/channels, I can check if it works and what
|
14 Sep 2023, Nick Hastings, Forum, Hide start and stop buttons
|
Hi
> > > Indeed the ODB settings are obsolete.
|
12 Sep 2023, Maia Henriksson-Ward, Suggestion, Syntax highlighting for sequencer scripts
|
Recently I was trying to read sequencer scripts written by a previous student, and realized it would be easier to
quickly read/skim sequencer code with some form of syntax highlighting. I've been using Visual Studio Code as my
editor, so I made myself an extension for VS Code that provides basic syntax highlighting (with help from
|
12 Sep 2023, Stefan Ritt, Suggestion, Syntax highlighting for sequencer scripts
|
I like the idea of syntax highlighting, but your solution is just for one editor which not everybody
is using. It would be better if the editor built into mhttpd for MSL files would have the possibility.
|
01 Jun 2023, Thomas Lindner, Info, MIDAS Workshop 2023
|
Dear MIDAS users,
We would like to arrange another MIDAS workshop, following on from previous successful workshops in 2015, 2017 and 2019. The
|
13 Jun 2023, Thomas Lindner, Info, MIDAS Workshop 2023 - Sept 13
|
Hi All,
Thanks to everyone who filled out the doodle poll.
|
17 Aug 2023, Thomas Lindner, Info, MIDAS Workshop 2023 - Sept 12-13
|
Dear All,
A quick update on the MIDAS workshop. Based on the number of planned talks we have made the decision to switch to a two day workshop on Sept 12 and 13 |
06 Sep 2023, Thomas Lindner, Info, MIDAS Workshop 2023 - Sept 12-13
|
Dear All,
A final reminder about the MIDAS workshop in 6 days. A (hopefully) finalized agenda is posted here:
|
16 May 2023, Konstantin Olchanski, Bug Report, excessive logging of http requests
|
Our default configuration of apache httpd logs every request. MIDAS custom web pages can easily make a huge number of RPC calls creating a
huge log file and filling system disk to 100% capacity
|
16 May 2023, Konstantin Olchanski, Bug Report, excessive logging of http requests
|
> Our default configuration of apache httpd logs every request. MIDAS custom web pages can easily make a huge number of RPC calls creating a
> huge log file and filling system disk to 100% capacity
|
16 May 2023, Stefan Ritt, Bug Report, excessive logging of http requests
|
Maybe you remember the problems we had with a custom page in Japan loading it from TRIUMF. It took almost one minute since each RPC request took
about 1s round-trip. This got fixed by the modb* scheme where the framework actually collects all ODB variables in a custom page and puts them
into ONE rpc request (making the path an actual array of paths). That reduced the requests from 100 to 1 in the above example. Maybe the same
|
02 Aug 2023, Konstantin Olchanski, Bug Report, excessive logging of http requests
|
> > Our default configuration of apache httpd logs every request. MIDAS custom web pages can easily make a huge number of RPC calls creating a
> > huge log file and filling system disk to 100% capacity
> perhaps use existing logrotate, add limit on file size (size) and limit of 2 old log files (rotate).
|
03 Aug 2023, Konstantin Olchanski, Bug Report, excessive logging of http requests
|
> > > Our default configuration of apache httpd logs every request. MIDAS custom web pages can easily make a huge number of RPC calls creating a
> > > huge log file and filling system disk to 100% capacity
> > perhaps use existing logrotate, add limit on file size (size) and limit of 2 old log files (rotate).
|
14 Aug 2023, Konstantin Olchanski, Bug Report, excessive logging of http requests
|
> Our default configuration of apache httpd logs every request.
> MIDAS custom web pages can easily make a huge number of RPC calls creating a
> huge log file and filling system disk to 100% capacity.
|
16 Aug 2023, Konstantin Olchanski, Bug Report, excessive logging of http requests
|
> > Our default configuration of apache httpd logs every request.
> > MIDAS custom web pages can easily make a huge number of RPC calls creating a
> > huge log file and filling system disk to 100% capacity.
|
17 Aug 2023, Konstantin Olchanski, Bug Report, excessive logging of http requests
|
> > > Our default configuration of apache httpd logs every request.
> > > MIDAS custom web pages can easily make a huge number of RPC calls creating a
> > > huge log file and filling system disk to 100% capacity.
|
16 Aug 2023, Konstantin Olchanski, Bug Report, midas wants to show notification?
|
I started to get web browser popups about "midas wants to show notifications,
block/allow/x". is this a glitch or a new unannounced/undocumented feature?
google chrome on macos. K.O. |
16 Aug 2023, Stefan Ritt, Bug Report, midas wants to show notification?
|
> I started to get web browser popups about "midas wants to show notifications,
> block/allow/x". is this a glitch or a new unannounced/undocumented feature?
> google chrome on macos. K.O.
|
16 Aug 2023, Stefan Ritt, Bug Report, midas wants to show notification?
|
> > I started to get web browser popups about "midas wants to show notifications,
> > block/allow/x". is this a glitch or a new unannounced/undocumented feature?
> > google chrome on macos. K.O.
|
16 Aug 2023, Konstantin Olchanski, Bug Report, midas wants to show notification?
|
> This feature was asked by some people ...
"show notifications" popups are strongly associated with disreputable web sites (presumably to
|
17 Aug 2023, Stefan Ritt, Bug Report, midas wants to show notification?
|
> > This feature was asked by some people ...
>
> "show notifications" popups are strongly associated with disreputable web sites (presumably to
|
15 Aug 2023, Konstantin Olchanski, Info, mlogger update
|
A bit of update to the mlogger. In preparation for more cleanup when Stefan is
here at TRIUMF.
|
09 Aug 2023, Konstantin Olchanski, Bug Fix, Stefan's improved ODB flush to disk
|
This is an important improvement, should have a post of it's own. K.O.
> > > RFE filed:
|
31 Mar 2022, Stefan Ritt, Suggestion, Maximum ODB size
|
Anybody some idea what the maximum ODB size can be? In the old days, the linux
kernels had a severe limit on shared memory of usually 8MB, but in the age of
64GB RAM being a standard, we should be able to grow bigger. Tried
|
04 Apr 2022, Konstantin Olchanski, Suggestion, Maximum ODB size
|
> Anybody some idea what the maximum ODB size can be?
It turns out ODB size limit is hardwired on db_open_database() at 100 Mbytes.
|
27 Apr 2023, Marius Koeppel, Suggestion, Maximum ODB size
|
Hi all,
> I agree, I think we can safely bump the limit from 100 Mbytes to 1 Gbyte, maybe 1.5 or
|
27 Apr 2023, Konstantin Olchanski, Suggestion, Maximum ODB size
|
> > I agree, I think we can safely bump the limit from 100 Mbytes to 1 Gbyte, maybe 1.5 or
> > 1.99 Gbytes. Above that we run into 32-bit/31-bit cleanliness problems.
>
|
27 Apr 2023, Marius Koeppel, Suggestion, Maximum ODB size
|
> This is change is wrong. As I wrote, ODB is not 64-bit clean and it is not 32-bit clean. We think is is 31-bit clean, so maximum size would be slightly
less than 2 Gbytes.
|
27 Apr 2023, Konstantin Olchanski, Suggestion, Maximum ODB size
|
> You said the writing into .odb is buggy. Do you mean it’s buggy in general or only in this specific case?
> We save the ODB most of the time in the .odb format.
|
27 Apr 2023, Konstantin Olchanski, Suggestion, Maximum ODB size
|
my vote is to bump the ODB size limit to 1999*1000*1000 (not quite 2GB). but this needs to be tested. especially save and restore from ODB, XML and JSON
files, including how long it takes to save and load a 1.9GB ODB. K.O. |
28 Apr 2023, Marius Koeppel, Suggestion, Maximum ODB size
|
> my vote is to bump the ODB size limit to 1999*1000*1000 (not quite 2GB). but this needs to be tested. especially save and restore from ODB, XML and JSON
files, including how long it takes to save and load a 1.9GB ODB. K.O.
|
28 Apr 2023, Stefan Ritt, Suggestion, Maximum ODB size
|
> Is this maybe related to what Stefan said about the run start - so that odbedit needs some time to load the bigger ODB?
At the run start mlogger writes the ODB to the .mid file. This needs conversion (binary ODB -> XML ASCII) which can take time.
|
28 Apr 2023, Marius Koeppel, Suggestion, Maximum ODB size
|
> At the run start mlogger writes the ODB to the .mid file. This needs conversion (binary ODB -> XML ASCII) which can take time.
> This does NOT depend on the ODB size, but on the ODB *content*. Every key in the ODB takes time to convert. So if your ODB as 1.5 GB
> but only a few keys, this is still fast. Only if you have 200 million keys int he ODB, then mlogger takes lots of time to convert
|
28 Apr 2023, Konstantin Olchanski, Suggestion, Maximum ODB size
|
> > Is this maybe related to what Stefan said about the run start - so that odbedit needs some time to load the bigger ODB?
>
> At the run start mlogger writes the ODB to the .mid file. This needs conversion (binary ODB -> XML ASCII) which can take time.
|
27 Apr 2023, Stefan Ritt, Suggestion, Maximum ODB size
|
> Congratulations. created != "it works".
Two other tings to consider:
|
28 Apr 2023, Konstantin Olchanski, Suggestion, Maximum ODB size
|
> > Congratulations. created != "it works".
>
> Two other tings to consider:
|
09 Jun 2023, Konstantin Olchanski, Suggestion, Maximum ODB size
|
> > 1) The ODB shared memory is dumped into a binary file (".ODB.SHM") after the last client finished ...
correction: ODB shared memory is saved to .ODB.SHM each time a client stops, this is db_close_database().
|
12 Jun 2023, Stefan Ritt, Suggestion, Maximum ODB size
|
> correction: ODB shared memory is saved to .ODB.SHM each time a client stops, this is db_close_database().
The original design of the midas shared memory (back in the 1990's) was that the ODB shared memory file gets
|
12 Jun 2023, Konstantin Olchanski, Suggestion, Maximum ODB size
|
> > correction: ODB shared memory is saved to .ODB.SHM each time a client stops, this is db_close_database().
>
> The original design of the midas shared memory (back in the 1990's) was that the ODB shared memory file gets
|
13 Jun 2023, Stefan Ritt, Suggestion, Maximum ODB size
|
> I remember the same, but I tracked it down in git to the very first commit, and there is no if() there,
> odb is saved to .ODB.SHM on every client shutdown, not just the last client. I guess we both misremebered.
|
13 Jun 2023, Marius Koeppel, Suggestion, Maximum ODB size
|
> BTW, how do I resize the ODB. I remember we discussed this some time ago, and concluded that odbedit needs a resize flag. Has this even been
> done? If not, what is the "official" way to resize the ODB. We had some documentation about that some time ago, but I can't find it anymore.
|
13 Jun 2023, Konstantin Olchanski, Suggestion, Maximum ODB size
|
> > BTW, how do I resize the ODB.
ODB cannot be resized "online". Everything has to stop, save content to odb.json, get rid of old ODB.SHM, ensure ODB shared memory is destroyed (SysV or |
13 Jun 2023, Konstantin Olchanski, Suggestion, Maximum ODB size
|
> > I remember the same, but I tracked it down in git to the very first commit, and there is no if() there,
> > odb is saved to .ODB.SHM on every client shutdown, not just the last client. I guess we both misremebered.
|
13 Jun 2023, Stefan Ritt, Suggestion, Maximum ODB size
|
> small problem. build an experiment, start taking data, observe how ODB is never saved to disk because the "last client" never stops. as bonus, crash
|
13 Jun 2023, Konstantin Olchanski, Suggestion, Maximum ODB size
|
>
> > small problem. build an experiment, start taking data, observe how ODB is never saved to disk because the "last client" never stops. as bonus, crash
|
13 Jun 2023, Stefan Ritt, Suggestion, Maximum ODB size
|
> are you sure? when/how often does "last midas program finishes" happen? it does not happen on a system crash, not on power loss, not on "shutdown -r
now"
|
15 Jun 2023, Konstantin Olchanski, Suggestion, Maximum ODB size
|
>
> > are you sure? when/how often does "last midas program finishes" happen? it does not happen on a system crash, not on power loss, not on "shutdown -r
now"
|
28 Jul 2023, Stefan Ritt, Suggestion, Maximum ODB size
|
> RFE filed:
> https://bitbucket.org/tmidas/midas/issues/367/odb-should-be-saved-to-disk-periodically
|
09 Aug 2023, Konstantin Olchanski, Suggestion, Maximum ODB size
|
> > RFE filed:
> > https://bitbucket.org/tmidas/midas/issues/367/odb-should-be-saved-to-disk-periodically
>
|
06 Mar 2023, Gennaro Tortone, Forum, pull request for PostgreSQL support
|
Hi,
|
06 Mar 2023, Konstantin Olchanski, Forum, pull request for PostgreSQL support
|
> some minutes ago I published a PR for PostgreSQL support I developed
> at INFN-Napoli for Darkside experiment...
>
|
06 Mar 2023, Gennaro Tortone, Forum, pull request for PostgreSQL support
|
Hi Konstantin,
thanks for this update |
|
20 Mar 2023, Gennaro Tortone, Forum, pull request for PostgreSQL support
|
Hi,
I have updated the PR with a new one that includes TimescaleDB support and some
|
24 May 2023, Gennaro Tortone, Forum, pull request for PostgreSQL support
|
Hi,
is there any news regarding this pull request ?
|
18 Jul 2023, Konstantin Olchanski, Forum, pull request for PostgreSQL support
|
> is there any news regarding this pull request ?
> (https://bitbucket.org/tmidas/midas/pull-requests/30)
|
21 Jul 2023, Konstantin Olchanski, Forum, pull request for PostgreSQL support
|
> > is there any news regarding this pull request ?
> > (https://bitbucket.org/tmidas/midas/pull-requests/30)
>
|
21 Jul 2023, Gennaro Tortone, Forum, pull request for PostgreSQL support
|
|
28 Jul 2023, Stefan Ritt, Forum, pull request for PostgreSQL support
|
The compilation of midas was broken by the last modification. The reason is that
Pgsql *fPgsql = NULL;
|
09 Aug 2023, Konstantin Olchanski, Forum, pull request for PostgreSQL support
|
> The compilation of midas was broken by the last modification. The reason is that
> Pgsql *fPgsql = NULL;
> was not protected by #ifdef HAVE_PGSQL
|
02 Aug 2023, Caleb Marshall, Forum, Issues with Universe II Driver
|
Hello,
At our lab we are currently in the process of migrating more of our systems over to Midas. However, all of our working systems are dependent
on SBCs with the Tsi-148 chips of which we only have a handful. In order to have some backups and spares for testing, we have been attempting to get Midas |
02 Aug 2023, Konstantin Olchanski, Forum, Issues with Universe II Driver
|
I maintain the tsi148 and the universe-II drivers. I confirm -KO6 is my latest
version, last updated for 32-bit Debian-11, and we still use it at TRIUMF.
|
03 Aug 2023, Caleb Marshall, Forum, Issues with Universe II Driver
|
Here is the output:
vmic_mmap: Mapped VME AM 0x0d addr 0x00000000 size 0x00ffffff at address 0x80a01000
|
03 Aug 2023, Konstantin Olchanski, Forum, Issues with Universe II Driver
|
> Here is the output:
>
> vmic_mmap: Mapped VME AM 0x0d addr 0x00000000 size 0x00ffffff at address 0x80a01000
|
03 Aug 2023, Caleb Marshall, Forum, Issues with Universe II Driver
|
I am looking into compiling the 32 bit midas.
In the meantime, here is the kernel info:
|
04 Aug 2023, Caleb Marshall, Forum, Issues with Universe II Driver
|
I can compile 32 bit midas. Unless I am interpreting the linking error, I don't
think I can use the driver as built.
|
04 Aug 2023, Konstantin Olchanski, Forum, Issues with Universe II Driver
|
> I can compile 32 bit midas. Unless I am interpreting the linking error, I don't
> think I can use the driver as built.
|
12 May 2023, Stefan Ritt, Info, New environment variable MIDAS_EXPNAME
|
A new environment variable MIDAS_EXPNAME has been introduced. This must be
used for cases where people use MIDAS_DIR, and is then equivalent for the
experiment name and directory usually used in the exptab file. This fixes
|
12 May 2023, Konstantin Olchanski, Info, New environment variable MIDAS_EXPNAME
|
> A new environment variable MIDAS_EXPNAME has been introduced [to be used together with
MIDAS_DIR]
|
20 Jun 2023, Stefan Ritt, Info, New environment variable MIDAS_EXPNAME
|
I just realized that we had already MIDAS_EXPT_NAME, and now people get confused with
MIDAS_EXPT_NAME
|
28 Jul 2023, Stefan Ritt, Info, New environment variable MIDAS_EXPNAME
|
Concerning naming of shared memories I went one step further due to some requirement of a local experiment.
The experiment needs to change the experiment name shown on the web status page depending on the exact
configuration, but we do not want to change the whole midas experiment each time.
|
24 Jul 2023, Nick Hastings, Bug Report, Incompatible data types with mysql odbc interface
|
Hello,
I have recently set up a midas-2022-05-c instance and have been trying to configure
|
25 Jul 2023, Nick Hastings, Bug Report, Incompatible data types with mysql odbc interface
|
Hello,
wanted add few things:
|
18 Jul 2023, Gennaro Tortone, Bug Report, access to filesystem through mhttpd
|
Hi,
after some networks security scans I received some warnings because mhttpd expose
|
18 Jul 2023, Konstantin Olchanski, Bug Report, access to filesystem through mhttpd
|
> (e.g. http://midas.host:8080/etc/passwd)
not again! I complained about this before, and I added a fix, but it must be broken again.
|
19 Jul 2023, Zaher Salman, Bug Report, access to filesystem through mhttpd
|
Have you actually been able to read /etc/passwd this way? I tested this on a few of our servers and it does not work. As far as I know, there is access
to files in resources, custom pages etc.
|
11 Jul 2023, Anubhav Prakash, Forum, Possible ODB corruption! Webpages https://midptf01.triumf.ca/?cmd=Programs not loading!
|
The ODB server seems to have crashed/corrupted. I tried reloading the previous
working version of ODB(using the commands in folliwng image) but it didn't work.
|
11 Jul 2023, Thomas Lindner, Forum, Possible ODB corruption! Webpages https://midptf01.triumf.ca/?cmd=Programs not loading!
|
Hi Anubhav,
I have fixed the ODB corruption problem.
|
21 Jun 2023, Gennaro Tortone, Bug Report, mserver and script execution
|
Hi,
I have the following setup:
|
26 Jun 2023, Stefan Ritt, Bug Report, mserver and script execution
|
Indeed that could well be (and is certainly not intended like that). I checked the code
and found that "execute on start run" and "execute on stop run" are called inside
cm_transition(). That means they are executed on the computer which calls cm_transition().
|
27 Jun 2023, Gennaro Tortone, Bug Report, mserver and script execution
|
Hi Stefan,
> Indeed that could well be (and is certainly not intended like that). I checked the code
|
27 Jun 2023, Stefan Ritt, Bug Report, mserver and script execution
|
> btw I did some tests and I understand that this issue is related to 'deferred transition'
> on frontend. Indeed I disabled deferred transition on frontend side and now script
> execution is carried out always on MIDAS server;
|
23 Jun 2023, Gennaro Tortone, Bug Report, deferred stop transition
|
Hi,
I'm facing some issues with 'stop' deferred transition and I suspect of
|
23 Jun 2023, Stefan Ritt, Bug Report, deferred stop transition
|
Deferred transitions were only implemented with a single instance of a program deferring the
transition. To have several instances, MIDAS probably needs to be extended. Certainly this
was never tested, so it's not a surprise that we get a segmentation fault.
|
23 Jun 2023, Gennaro Tortone, Bug Report, deferred stop transition
|
Hi Stefan,
so if I have two different frontends (feov1725 and feodt5751) connected on the same 'mserver'
|
23 Jun 2023, Stefan Ritt, Bug Report, deferred stop transition
|
> I'm in the same situation ?
Yepp. |
26 Jun 2023, Gennaro Tortone, Bug Report, deferred stop transition
|
> Deferred transitions were only implemented with a single instance of a program deferring the
> transition. To have several instances, MIDAS probably needs to be extended. Certainly this
> was never tested, so it's not a surprise that we get a segmentation fault.
|
26 Jun 2023, Stefan Ritt, Bug Report, deferred stop transition
|
> so, it seems that the issue is not related to different 'instances' of same frontend but
> that *at most* one frontend on whole MIDAS server can handle deferred transitions...
>
|
13 Jun 2023, Thomas Senger, Forum, Include subroutine through relative path in sequencer
|
Hi, I would like to restructure our sequencer scripts and the paths. Until now many things are not generic at all. I would like to ask if it is possible
to include files through a relative path for example something like
INCLUDE ../chip/global_basic_functions
|
13 Jun 2023, Stefan Ritt, Forum, Include subroutine through relative path in sequencer
|
> Hi, I would like to restructure our sequencer scripts and the paths. Until now many things are not generic at all. I would like to ask if it is possible
to include files through a relative path for example something like
> INCLUDE ../chip/global_basic_functions
|
13 Jun 2023, Marco Francesconi, Forum, Include subroutine through relative path in sequencer
|
> > Hi, I would like to restructure our sequencer scripts and the paths. Until now many things are not generic at all. I would like to ask if it is possible
to include files through a relative path for example something like
|
13 Jun 2023, Stefan Ritt, Forum, Include subroutine through relative path in sequencer
|
> when I did this job for MEG II we decided not to include relative paths and the ".." folder to avoid an exploit called "XML Entity Injection".
> In short is to avoid leaking files outside the sequencer folders like /etc/password or private SSH keys.
> I do not remember in this moment why we pushed for absolute paths instead but let's keep this in mind.
|
09 Jun 2023, Konstantin Olchanski, Info, added IPv6 support for mserver and MIDAS RPC
|
as of commit 71fb5e82f3e9a1501b4dc2430f9193ee5d176c82, MIDAS RPC and the mserver
listen for connections both on IPv4 and IPv6. mserver clients and MIDAS RPC
clients can connect to MIDAS using both IPv4 and IPv6. In the default
|
23 May 2023, Kou Oishi, Bug Report, Event builder fails at every 10 runs
|
Dear MIDAS experts,
Greetings!
|
31 May 2023, Ben Smith, Bug Report, Event builder fails at every 10 runs
|
> The event builder fails to initiate the 10th run since its startup,
> 'BM_NO_MEMORY: too many requests,'
|
02 Jun 2023, Kou Oishi, Bug Report, Event builder fails at every 10 runs
|
Dear Ben,
Hello. Thank you for your attention to this problem!
|
10 May 2023, Lukas Gerritzen, Suggestion, Desktop notifications for messages
|
It would be nice to have MIDAS notifications pop up outside of the browser window.
To get enable this myself, I hijacked the speech synthesis and I added the following to mhttpd_speak_now(text) inside mhttpd.js:
|
10 May 2023, Stefan Ritt, Suggestion, Desktop notifications for messages
|
[quote="Lukas Gerritzen"]It would be nice to have MIDAS notifications pop up outside of the browser window.[/quote]
There are certainly dozens of people who do "I don't like pop-up windows all the time". So this has to come with a switch in the config page to turn it |
10 May 2023, Lukas Gerritzen, Suggestion, Desktop notifications for messages
|
[quote="Stefan Ritt"]
people using Edge/Chrome/Safari/Opera saying "it's not working on my specific browser on version x.y.z". So I'm only willing to add that feature if we
are sure it's a standard things working in most environments.
|
11 May 2023, Stefan Ritt, Suggestion, Desktop notifications for messages
|
Ok, I implemented desktop notifications. In the MIDAS config page, you can now enable browser notifications for the different types of messages. Not sure
this works perfectly, but a staring point. So please let me know if there is any issue.
|
10 May 2023, Lukas Gerritzen, Suggestion, Make sequencer more compatible with mobile devices
|
When trying to select a run script on an iPad or other mobile device, you cannot enter subdirectories. This is caused by the following part:
[CODE]
|
10 May 2023, Stefan Ritt, Suggestion, Make sequencer more compatible with mobile devices
|
[quote="Lukas Gerritzen"]When trying to select a run script on an iPad or other mobile device, you cannot enter subdirectories. This is caused by the following
part:
[/quote]
|
08 May 2023, Alexey Kalinin, Forum, Scrript in sequencer
|
Hello,
I tried different ways to pass parameters to bash script, but there are seems to
|
08 May 2023, Stefan Ritt, Forum, Scrript in sequencer
|
> I tried different ways to pass parameters to bash script, but there are seems to
> be empty, what could be the problem?
|
09 May 2023, Alexey Kalinin, Forum, Scrript in sequencer
|
Thanks. It works perfect.
Another question is:
Is it possible to run .msl seqscript from bash cmd?
|
10 May 2023, Stefan Ritt, Forum, Scrript in sequencer
|
> Thanks. It works perfect.
> Another question is:
> Is it possible to run .msl seqscript from bash cmd?
|
26 Apr 2023, Martin Mueller, Forum, Problem with running midas odbxx frontends on a remote machine using the -h option
|
Hi
We have a problem with running midas frontends when they should connect to a experiment on a different machine using the -h option. Starting them locally |
27 Apr 2023, Konstantin Olchanski, Forum, Problem with running midas odbxx frontends on a remote machine using the -h option
|
Looks like your MIDAS is built without debug information (-O2 -g), the stack trace does not have file names and line numbers. Please rebuild with debug
information and report the stack trace. Thanks. K.O.
|
28 Apr 2023, Martin Mueller, Forum, Problem with running midas odbxx frontends on a remote machine using the -h option
|
> Looks like your MIDAS is built without debug information (-O2 -g), the stack trace does not have file names and line numbers. Please rebuild with debug
information and report the stack trace. Thanks. K.O.
>
|
28 Apr 2023, Konstantin Olchanski, Forum, Problem with running midas odbxx frontends on a remote machine using the -h option
|
> As i said we can easily reproduce this with midas/examples/odbxx/odbxx_test.cpp (with cm_connect_experiment changed to "localhost")
> [test,ERROR] [system.cxx:5104:recv_tcp2,ERROR] unexpected connection closure
> [test,ERROR] [system.cxx:5158:ss_recv_net_command,ERROR] error receiving network command header, see messages
|
28 Apr 2023, Martin Mueller, Forum, Problem with running midas odbxx frontends on a remote machine using the -h option
|
> > As i said we can easily reproduce this with midas/examples/odbxx/odbxx_test.cpp (with cm_connect_experiment changed to "localhost")
> > [test,ERROR] [system.cxx:5104:recv_tcp2,ERROR] unexpected connection closure
> > [test,ERROR] [system.cxx:5158:ss_recv_net_command,ERROR] error receiving network command header, see messages
|
28 Apr 2023, Konstantin Olchanski, Forum, Problem with running midas odbxx frontends on a remote machine using the -h option
|
> > > As i said we can easily reproduce this with midas/examples/odbxx/odbxx_test.cpp
> > ok, cool. looks like we crashed the mserver.
> Ok. Maybe i have to make this more clear. ANY odbxx access of a remote odb reproduces this error for us on multiple machines.
|
02 May 2023, Niklaus Berger, Forum, Problem with running midas odbxx frontends on a remote machine using the -h option
|
Thanks for all the helpful hints. When finally managing to evade all timeouts and attach the debugger in just the right moment, we find that we get a segfault
in mserver at L827:
case RPC_DB_COPY_XML:
|
02 May 2023, Niklaus Berger, Forum, Problem with running midas odbxx frontends on a remote machine using the -h option
|
And now we also fixed the client segfault, odb.cxx L8992 also needs to know about the header:
if (rpc_is_remote())
return rpc_call(RPC_DB_COPY_XML, hDB, hKey, buffer, buffer_size, header);
|
02 May 2023, Stefan Ritt, Forum, Problem with running midas odbxx frontends on a remote machine using the -h option
|
> Shall I create a pull request for the additional RPC argument or will you just fix this on the fly?
|
01 May 2023, Giovanni Mazzitelli, Bug Report, python issue with mathplot lib vs odb query
|
Ciao,
we have a very strange issue with python lib with client.odb_get("/") function
when running as midas process and matplotlib is used.
|
01 May 2023, Ben Smith, Bug Report, python issue with mathplot lib vs odb query
|
> it seams that there is a difference between the to way of use the code, and that
> is sufficient the call to matplotlib to corrupt in some way the odb. any ideas?
|
01 May 2023, Giovanni Mazzitelli, Bug Report, python issue with mathplot lib vs odb query
|
> > it seams that there is a difference between the to way of use the code, and that
> > is sufficient the call to matplotlib to corrupt in some way the odb. any ideas?
>
|
01 May 2023, Ben Smith, Bug Report, python issue with mathplot lib vs odb query
|
Looks like a localisation issue. Your floats are formatted as "6,6584e+01", whereas the JSON decoder expects "6.6584e+01".
Can you run the following few lines please? Then I'll be able to write a test using the same setup as you:
|
01 May 2023, Ben Smith, Bug Report, python issue with mathplot lib vs odb query
|
> Looks like a localisation issue. Your floats are formatted as "6,6584e+01", whereas the JSON decoder expects "6.6584e+01".
This should be fixed in the latest commit to the midas develop branch. The JSON specification requires a dot for the decimal separator, so we must ignore |
01 May 2023, Giovanni Mazzitelli, Bug Report, python issue with mathplot lib vs odb query
|
> > Looks like a localisation issue. Your floats are formatted as "6,6584e+01", whereas the JSON decoder expects "6.6584e+01".
>
> This should be fixed in the latest commit to the midas develop branch. The JSON specification requires a dot for the decimal separator, so we must ignore |
21 Apr 2023, Grzegorz Nieradka, Forum, Setup Midas with Caen vx2740 - ask for help
|
I'm trying to setup Midas with the Caen vx2740 VME digitizer board.
As the backend driver I used the software from Darkside located here:
|
21 Apr 2023, Ben Smith, Forum, Setup Midas with Caen vx2740 - ask for help
|
> I'm not able to find documentation what is purpose of the RPC? Could someone give any indicators how I can start debug this behavior? Or there is some
documentation about the RPC?
|
21 Apr 2023, Konstantin Olchanski, Forum, Setup Midas with Caen vx2740 - ask for help
|
> I'm trying to setup Midas with the Caen vx2740 VME digitizer board.
welcome to the world of daq and midas! Ben already answered and he will help you with this specific hardware. (we work together)
|
17 Mar 2023, Konstantin Olchanski, Info, T2K/ND280 - Many warning from ten year old variables in ODB
|
Forwarded from the T2K/ND280 elog:
Author : Nick Hastings
|
16 Mar 2023, Konstantin Olchanski, Forum, bitbucket issue spam cleaned
|
midas bitbucket repository had a spam attack, about 40 spam messages were posted
into the issues. I was able to delete them manually. No idea how they got past
bitbucket spam filters and if they are spam or an attack against automated issue
|
16 Mar 2023, Konstantin Olchanski, Forum, bitbucket issue spam cleaned
|
> midas bitbucket repository had a spam attack, about 40 spam messages were posted
> into the issues. I was able to delete them manually. No idea how they got past
> bitbucket spam filters and if they are spam or an attack against automated issue
|
16 Mar 2023, Konstantin Olchanski, Forum, bitbucket issue spam cleaned
|
> > midas bitbucket repository had a spam attack, about 40 spam messages were posted
> > into the issues. I was able to delete them manually. No idea how they got past
> > bitbucket spam filters and if they are spam or an attack against automated issue
|
15 Mar 2023, Casey, Forum, Having trouble with MIDAS setup
|
Hi
I'm not sure if this is the right forum for this query (if it is not, I would truly appreciate it if someone could point me at the right forum). I'm having |
16 Mar 2023, Konstantin Olchanski, Forum, Having trouble with MIDAS setup
|
> I'm not sure if this is the right forum for this query
this might be the right place, depending.
|
22 Feb 2023, Stefano Piacentini, Info, connection to a MySQL server: retry procedure in the Logger
|
Dear all,
we are experiencing a connection problem to the MySQL server that we use to log informations. Is there an
|
22 Feb 2023, Stefan Ritt, Info, connection to a MySQL server: retry procedure in the Logger
|
> Dear all,
>
> we are experiencing a connection problem to the MySQL server that we use to log informations. Is there an
|
07 Mar 2023, Stefano Piacentini, Info, connection to a MySQL server: retry procedure in the Logger
|
> > Dear all,
> >
> > we are experiencing a connection problem to the MySQL server that we use to log informations. Is there an
|
05 Nov 2022, Zaher Salman, Suggestion, histories capture 'ruy'
|
The histories capture key events from 'r' 'u' 'y' and 'Escape' for various functions like rescaling etc. However, this also means that if we include an
editable modbvalue and a history in the same custom page then changing the modbvalue to something that includes 'ruy' is not possible.
|
08 Feb 2023, Stefan Ritt, Suggestion, histories capture 'ruy'
|
> The histories capture key events from 'r' 'u' 'y' and 'Escape' for various functions like rescaling etc. However, this also means that if we include an
editable modbvalue and a history in the same custom page then changing the modbvalue to something that includes 'ruy' is not possible.
>
|
09 Feb 2023, Zaher Salman, Suggestion, histories capture 'ruy'
|
I agree with you, option 2 is better and works well.
The only problem is that if you are showing multiple histograms in the same window the keyDown even will affect all of the histories in the window.
This may be the intended behaviour, but I think that if we can find a way to have the event affecting only the intended history (focused element for example) |
09 Feb 2023, Stefan Ritt, Suggestion, histories capture 'ruy'
|
> I agree with you, option 2 is better and works well.
> The only problem is that if you are showing multiple histograms in the same window the keyDown even will affect all of the histories in the window.
> This may be the intended behaviour, but I think that if we can find a way to have the event affecting only the intended history (focused element for |
31 Jan 2023, Lukas Gerritzen, Suggestion, "Soft interlock" possible?
|
Is it possible to impose requirements on certain output variables in an interlock-like fashion? For example: "As long as the temperature exceeds a certain
threshold, a light switched by a relay cannot be turned on."
|
31 Jan 2023, Stefan Ritt, Suggestion, "Soft interlock" possible?
|
> Is it possible to impose requirements on certain output variables in an interlock-like fashion? For example: "As long as the temperature exceeds a certain
threshold, a light switched by a relay cannot be turned on."
>
|
13 Jan 2023, Denis Calvet, Suggestion, Debug printf remaining in mhttpd.cxx
|
Hi everyone,
It has been a long time since my last message. While porting Midas front-end
|
13 Jan 2023, Stefan Ritt, Suggestion, Debug printf remaining in mhttpd.cxx
|
These debug statements were added by K.O. on June 24, 2021. He should remove it.
https://bitbucket.org/tmidas/midas/commits/21f7ba89a745cfb0b9d38c66b4297e1aa843cffd
|
19 Aug 2022, Konstantin Olchanski, Bug Fix, "Detected duplicate or non-monotonous data" in history files
|
serious (but rare) bug was fixed in the history reader. unlucky experiment would see
errors about "Detected duplicate or non-monotonous data" in some history file, fixed by
removing/renaming the offending file. (reported by MEG experiment)
|
23 Aug 2022, Konstantin Olchanski, Bug Fix, "Detected duplicate or non-monotonous data" in history files
|
> serious (but rare) bug was fixed in the history reader.
previous fix was incomplete. please update to git commit
|
17 Nov 2022, Konstantin Olchanski, Bug Fix, "Detected duplicate or non-monotonous data" in history files
|
> > serious (but rare) bug was fixed in the history reader.
> previous fix was incomplete. please update to git commit
> https://bitbucket.org/tmidas/midas/commits/b343c3c98e4e6fd00a00cf686c74c7ccc6da0c63
|
11 Nov 2022, Frederik Wauters, Bug Fix, O_CREAT in open in split.cxx
|
midas currently does not compile on linux
/usr/include/x86_64-linux-gnu/bits/fcntl2.h:50:24: error: call to ‘__open_missing_mode’ declared with attribute error: open with O_CREAT or O_TMPFILE in |
12 Nov 2022, Stefan Ritt, Bug Fix, O_CREAT in open in split.cxx
|
> midas currently does not compile on linux
>
> /usr/include/x86_64-linux-gnu/bits/fcntl2.h:50:24: error: call to ‘__open_missing_mode’ declared with attribute error: open with O_CREAT or O_TMPFILE |
17 Nov 2022, Konstantin Olchanski, Bug Fix, O_CREAT in open in split.cxx
|
> > midas currently does not compile on linux
> > fix is to give open in midas/examples/lowlevel/split.cxx a default mode, e.g. 006600
|
22 Oct 2022, Lars Martin, Suggestion, read_only odbxx?
|
I really like the concept of the odbxx interface.
I think it would be a nice feature if one could have a read_only connection, e.g. by declaring a "const midas::odb".
Just for fun I tried if this already works, but the compiler doesn't allow const midas::odb for e.g. the [] operator. I'm guessing this would be non-trivial |
24 Oct 2022, Stefan Ritt, Suggestion, read_only odbxx?
|
> I really like the concept of the odbxx interface.
> I think it would be a nice feature if one could have a read_only connection, e.g. by declaring a "const midas::odb".
> Just for fun I tried if this already works, but the compiler doesn't allow const midas::odb for e.g. the [] operator. I'm guessing this would be non-trivial |
26 Oct 2022, Lars Martin, Suggestion, read_only odbxx?
|
> Having a "const midas::odb" probably does not work (at least I would not know how to implement that).
>
> But I could make an internal flag analog to the auto refresh flags. So you would have
|
29 Oct 2022, Stefan Ritt, Suggestion, read_only odbxx?
|
Ok, I implemented and committed that. Just call
o.set_write_protect(true)
|
14 Oct 2022, Lars Martin, Suggestion, Allow onchange to refer to arbitrary js function
|
Maybe this is already possible, I have a hard time understanding the mhttpd source code.
I would like to use a function defined in the <script> block of my custom page as an onchange callback.
|
14 Oct 2022, Ben Smith, Info, Allow onchange to refer to arbitrary js function
|
> I would like to use a function defined in the <script> block of my custom page as an onchange callback.
>
> Is this a possibility?
|
22 Oct 2022, Lars Martin, Info, Allow onchange to refer to arbitrary js function
|
I figured I wasn't the first to have this idea.
Works great, thanks! |
22 Oct 2022, Lars Martin, Info, Allow onchange to refer to arbitrary js function
|
Actually, now that I look again, there is a mistake in the instructions:
you say
|
10 Oct 2022, Zaher Salman, Suggestion, JSON-RPC function to read files
|
Hello ,
The midas sequencer uses the function js_seq_list_files to get a list of files in the /Sequencer/State/Path with extension *.msl. It would be nice to generalize |
21 Aug 2022, Joseph McKenna, Suggestion, mvodb functionality to get the 'LastWritten' property of a key
|
|
22 Aug 2022, Stefan Ritt, Suggestion, mvodb functionality to get the 'LastWritten' property of a key
|
> I want to read data from the ODB with the mvodb interface in one of my frontends, it's useful to know how old that data is, so I prototyped functionality
in a pull request to mvodb:
>
|
15 Aug 2022, Zaher Salman, Bug Report, firefox hangs due to mhistory
|
Firefox is hanging/becoming unresponsive due to javascript code. After stopping the script manually to get firefox back in control I have the following
message in the console
|
15 Aug 2022, Stefan Ritt, Bug Report, firefox hangs due to mhistory
|
> Firefox is hanging/becoming unresponsive due to javascript code. After stopping the script manually to get firefox back in control I have the following
message in the console
>
|
16 Aug 2022, Zaher Salman, Bug Report, firefox hangs due to mhistory
|
> > Firefox is hanging/becoming unresponsive due to javascript code. After stopping the script manually to get firefox back in control I have the following
message in the console
> >
|
16 Aug 2022, Zaher Salman, Bug Report, firefox hangs due to mhistory
|
I found the bug. The problem is triggered by changing the firefox window. This calls a function that is supposed to change the size of the history plot
and it works well when the history plots are visible but not if the history plots are hidden in a javascript tab (not another firefox tab).
|
17 Aug 2022, Stefan Ritt, Bug Report, firefox hangs due to mhistory
|
The problem lies in your function mhistory_init_one() in Mudas.js:1965. You can only call "new MhistoryGraph(e)" with an element "e" which is something
like
|
17 Aug 2022, Zaher Salman, Bug Report, firefox hangs due to mhistory
|
> The problem lies in your function mhistory_init_one() in Mudas.js:1965. You can only call "new MhistoryGraph(e)" with an element "e" which is something
like
>
|
17 Aug 2022, Stefan Ritt, Bug Report, firefox hangs due to mhistory
|
> Some of my histories are placed in an IFrame object. I eventually realized that my code fails
> when it tries to resize a history which is placed in an invisible IFrame. I resolved the issue
> by making sure that I am resizing plots only if they are in a visible IFrame.
|
16 Aug 2022, Konstantin Olchanski, Bug Report, firefox hangs due to mhistory
|
> > > Firefox is hanging/becoming unresponsive due to javascript code.
>
> The URL (reachable only within PSI) is http://lem03.psi.ch:8081/?cmd=custom&page=Mudas
|
05 Aug 2022, Stefan Ritt, Info, Information for midas updates though git
|
Several submodules of midas have been re-organized, so if you want to pull the
newest version, you need a
|
08 Aug 2022, Konstantin Olchanski, Info, Information for midas updates though git
|
> git pull --recurse-submodules
> git submodule update --init --recursive
> git config submodule.recurse true
|
08 Aug 2022, Stefan Ritt, Info, Information for midas updates though git
|
> after I set "submodule.recurse true", I still have to type "git submodule update --
> init --recursive", without --recursive, mscb/mxml is empty and the build bombs.
|
08 Aug 2022, Konstantin Olchanski, Info, odb disallow key names that start or end with spaces
|
while testing the new odb editor, we ran into a number of problems with key names
that start or end with spaces. we cannot think of any valid use case for such key
names (subdirectories and variables) and we think they could only have been
|
08 Aug 2022, Konstantin Olchanski, Info, midas on ubuntu LTS 22.04
|
reporting that as of commit 78f707c0686d22f8329c7a1f1c46d7dccf35ceff, midas builds
without errors or warnings on Ubuntu LTS 22.04, 20.04, CentOS-7 and MacOS 12.4.
(except for some warnings from mscb and msc). K.O. |
06 Aug 2022, Stefan Ritt, Info, Improvement of odbxx API
|
While the odbxx API has been successfully used since the last months, a potential
problem with large ODBs surfaced. If you have lots of data in the ODB and load it
into an object like
|
08 Aug 2022, Stefan Ritt, Info, Improvement of odbxx API
|
After some thought, I changed the API again and removed the flag in the constructor,
so the system now automatically choses the best algorithm depending if the client
is connected to a local or a remote API. So in all cases you use again the old syntax:
|
18 Jul 2022, Konstantin Olchanski, Release, midas-2022-05
|
There is a release branch for midas-2022-05 and corresponding git tag midas-2022-
05-b. This branch is known to be stable and is working well for the ALPHA
experiment at CERN. Latest update to this branch fixes two problems in the
|
25 Jun 2022, Joseph McKenna, Bug Report, RPC timeout for manalyzer over network
|
In ALPHA, I get RPC timeouts running a (reasonably heavy) analyzer on a remote machine (connected directly via a ~30 meter 10Gbe Ethernet cable) after |
18 Jul 2022, Konstantin Olchanski, Bug Report, RPC timeout for manalyzer over network
|
> In ALPHA, I get RPC timeouts running a (reasonably heavy) analyzer on a remote machine (connected directly via a ~30 meter 10Gbe Ethernet cable) after
~5 minutes of running. If I run the analyser locally, I dont not see a timeout...
|
19 Jun 2022, Francesco Renga, Forum, Alarm on variable not updating
|
Dear all,
I've an ODB equipment that sometimes loses the connection with the hardware, so that the variables are not updated anymore. The connection can be
restored by restarting the frontend. It would be useful to have an alarm based on the time from the last update of some variable (i.e. the alarm is triggered |
20 Jun 2022, Stefan Ritt, Forum, Alarm on variable not updating
|
There are two functions to do that, one check the last write access, the other the last write access if the run is running. The alarm condition looks like:
access(/Equipment/.../Variables/Input[10]) > 60
|
20 Jun 2022, jianrun, Bug Report, Error in "midas/src/mana.cxx"
|
Dear Midas developers,
When we are running the examples in $MIDASSYS/examples/experiment/, we meet some
|
15 Apr 2019, Konstantin Olchanski, Info, switch of MIDAS to C++
|
For a long time now we have keep the core of midas (odb.c, midas.c, etc) compatible with plain C and by default
we have built the MIDAS library using the plain C compiler. Over time, we have switched most MIDAS programs
(mhttpd, mlogger, mdump, odbedit, etc) to C++ (with happy results). (and for a long time now, all of MIDAS
|
15 Apr 2019, Konstantin Olchanski, Info, switch of MIDAS to C++, which C++?
|
>
> With the removal of the requirement to make it possible to write MIDAS frontends in C, we can switch the MIDAS
> default build to C++ and start using C++ features in the MIDAS API (std::string, std::vector, etc).
|
15 Apr 2019, Konstantin Olchanski, Info, switch of MIDAS to C++, how much C++?
|
> >
> > With the removal of the requirement to make it possible to write MIDAS frontends in C, we can switch the MIDAS
> > default build to C++ and start using C++ features in the MIDAS API (std::string, std::vector, etc).
|
16 Apr 2019, Pintaudi Giorgio, Info, switch of MIDAS to C++, how much C++?
|
Dear Konstantin,
even if I am still quite young and have only limited experience (but not null), I would like to give my two cents. I have reflected a bit about the C++ |
17 Apr 2019, John M O'Donnell, Info, switch of MIDAS to C++, how much C++?
|
some semi-random thoughts:
no templates strictly means you can't use std::string, std::vector etc.
|
22 Apr 2019, Pintaudi Giorgio, Info, switch of MIDAS to C++, how much C++?
|
Dear Konstantin and others,
our recent discussion stimulated my curiosity and I wrote a small frontend for the trigger board of our experiment in C++.
The underlying hardware details are not relevant here. I would just like to briefly report and discuss what I found out.
|
23 Apr 2019, Konstantin Olchanski, Info, switch of MIDAS to C++, how much C++?
|
> Dear Konstantin and others, our recent discussion stimulated my curiosity and I wrote a small frontend for the trigger board of our
experiment in C++.
|
11 May 2019, Konstantin Olchanski, Info, switch of MIDAS to C++, which C++?
|
> [which c++]
>
> - Linux RHEL/SL/CentOS6 - gcc 4.4.7, no C++11.
|
22 May 2019, Konstantin Olchanski, Info, switch of MIDAS to C++
|
> switch MIDAS to C++
switch to C++ will proceed as follows:
|
05 Jun 2019, Konstantin Olchanski, Info, MIDAS switched to C++
|
The last bits of code to switch MIDAS to C++ have been committed, see tag midas-2019-05-cxx.
Since the cmake conversion is still in progress, for now, I recommend using the old "make" build for trying this update.
|
17 May 2022, Razvan Stefan Gornea, Info, MIDAS switched to C++
|
Hi, I have three naive questions about this:
- have you posted somewhere this guide about converting C frontends to C++?
- it was mentioned previously that there will be a 'tag the last "C" midas', which version is it?
|
17 May 2022, Konstantin Olchanski, Info, MIDAS switched to C++
|
> Hi, I have three naive questions about this:
all good questions, ask more of them.
|
17 May 2022, Ben Smith, Info, MIDAS switched to C++
|
> - have you posted somewhere this guide about converting C frontends to C++?
There's documentation in the wiki at:
|
08 May 2022, Stefan Ritt, Info, RO_STOPPED with triggered events
|
We had issues in one of our experiment that people used RO_STOPPED in the
equipment list together with triggered events (EQ_USER). If events are sent when
a run is stopped, this leads to many unexpected results, so I added a check in
|
08 May 2022, Konstantin Olchanski, Info, RO_STOPPED with triggered events
|
> some old front-end are not running any more since they do use RO_ALWAYS together with
triggered events.
|
16 May 2022, Konstantin Olchanski, Info, RO_STOPPED with triggered events
|
> > some old front-end are not running any more since they do use RO_ALWAYS together with
> triggered events.
>
|
17 May 2022, Stefan Ritt, Info, RO_STOPPED with triggered events
|
> > > some old front-end are not running any more since they do use RO_ALWAYS together with
> > triggered events.
> >
|
24 Apr 2022, Konstantin Olchanski, Bug Fix, mserver buffer overrun and crash
|
There is a memory allocation bug in the mserver.
ALIGN8() was missing when receiving events from the event socket and data buffer
|
16 May 2022, Konstantin Olchanski, Bug Fix, mserver buffer overrun and crash
|
> There is a memory allocation bug in the mserver.
Fix for this problem introduced a new problem, an infinite loop in bm_flush_cache,
|
13 May 2022, Konstantin Olchanski, Info, analysis of corner cases in event buffer write cache
|
introduction:
to remember, bm_send_event() writes an event to the write cache, bm_flush_cache()
|
16 May 2022, Konstantin Olchanski, Info, analysis of corner cases in event buffer write cache
|
> for correct operation of bm_send_event() under all conditions we need to ...
to continue computation from last message:
|
16 May 2022, Konstantin Olchanski, Info, analysis of corner cases in event buffer write cache
|
> > for correct operation of bm_send_event() under all conditions we need to ...
> to continue computation from last message:
|
06 May 2022, Stefan Ritt, Info, Increased timeout for program shut down
|
We had the problem in our lab that a frontend took about 6 seconds to gracefully
shut down, mainly it needed to park some motors. I found that the shutdown command
had a hard-coded timeout of 5 seconds, after which the frontend gets killed, and
|
04 May 2022, Konstantin Olchanski, Bug Fix, mysql history update
|
the code for writing midas history to mysql has been updated to work against
MYSQL 8.0.23 (CERN ALPHA-2):
|
30 Apr 2022, Konstantin Olchanski, Info, added web pages for "show odb clients" and "show open records"
|
for a long time, midas web pages have been missing the equivalent of odbedit
"scl" and "sor" to display current odb clients and current odb open records.
|
04 May 2022, Stefan Ritt, Info, added web pages for "show odb clients" and "show open records"
|
Concerning the "scl" page, we are currently having a discussion. At the moment, one can
see midas clients in three different places:
|
01 May 2022, Konstantin Olchanski, Info, added web page for "mdump"
|
added JSON RPC for bm_receive_event() and added a web page for "mdump".
the event dump is a hex dump for now.
|
01 May 2022, Konstantin Olchanski, Info, added web page for "mdump"
|
> added JSON RPC for bm_receive_event()
there is a number of problems with implementing bm_receive_event() as a RPC:
|
01 May 2022, Konstantin Olchanski, Info, added web page for "mdump"
|
> added a web page for "mdump".
missing functions:
|
02 May 2022, Stefan Ritt, Info, added web page for "mdump"
|
Here are some of my thoughts:
- I volunteer to write the JavaScript midas bank decoder. Just a couple of pure javascript functions, no
|
30 Apr 2022, Giovanni Mazzitelli, Forum, S3 Object Storage
|
Dear all,
We are storing raw MIDAS files to S3 Object Storage, but MIDAS file are not
optimised for readout from such kind of storage. There is any work around on
|
30 Apr 2022, Konstantin Olchanski, Forum, S3 Object Storage
|
> We are storing raw MIDAS files to S3 Object Storage, but MIDAS file are not
> optimised for readout from such kind of storage. There is any work around on
> evolution of midas raw output or, beyond simulated posix fs, to develop midas
|
01 May 2022, Giovanni Mazzitelli, Forum, S3 Object Storage
|
> > We are storing raw MIDAS files to S3 Object Storage, but MIDAS file are not
> > optimised for readout from such kind of storage. There is any work around on
> > evolution of midas raw output or, beyond simulated posix fs, to develop midas
|
16 Mar 2022, Stefan Ritt, Info, New midas sequencer version
|
A new version of the midas sequencer has been developed and now available in the
develop/seq_eval branch. Many thanks to Lewis Van Winkle and his TinyExpr library
(https://codeplea.com/tinyexpr), which has now been integrated into the sequencer
|
22 Mar 2022, Stefan Ritt, Info, New midas sequencer version
|
After several days of testing in various experiments, the new sequencer has
been merged into the develop branch. One more feature was added. The path to
the ODB can now contain variables which are substituted with their values.
|
15 Apr 2022, Stefan Ritt, Info, New midas sequencer version
|
I prepared some slides about the new features of the sequencer and post it here so
people can have a quick look at get some inspiration.
|
05 Apr 2013, Konstantin Olchanski, Info, ODB JSON support
|
odbedit can now save ODB in JSON-formatted files. (JSON is a popular data encoding standard associated
with Javascript). The intent is to eventually use the ODB JSON encoder in mhttpd to simplify passing of
ODB data to custom web pages. In mhttpd I also intend to support the JSON-P variation of JSON (via the
|
10 May 2013, Konstantin Olchanski, Info, mhttpd JSON support
|
> odbedit can now save ODB in JSON-formatted files.
> Added functions:
> INT EXPRT db_save_json(HNDLE hDB, HNDLE hKey, const char *file_name);
|
17 May 2013, Konstantin Olchanski, Info, mhttpd JSON-P support
|
>
> Added JSON encoding format to Javascript ODBCopy(path,format) ("jcopy"). Use format="json", Javascript example updated with an example example.
>
|
31 May 2013, Konstantin Olchanski, Info, mhttpd JSON-P support
|
> To see how it all works, please look at examples/javascript1/example.html.
>
> - JSON encoding has an extra layer of objects (variables.Variables.foo instead of variables.foo)
|
27 Sep 2013, Konstantin Olchanski, Info, ODB JSON support
|
> odbedit can now save ODB in JSON-formatted files.
>
> JSON encoding implementation follows specifications at:
|
09 Oct 2013, Konstantin Olchanski, Info, ODB JSON support
|
> > odbedit can now save ODB in JSON-formatted files.
> A bug was reported in my JSON ODB encoder: NaN values are not encoded correctly.
|
17 Mar 2014, Konstantin Olchanski, Info, ODB JSON support
|
> > > odbedit can now save ODB in JSON-formatted files.
> encode NaN, Inf and -Inf as JSON string values "NaN", "Infinity" and "-Infinity". (Corresponding to the respective Javascript values).
|
12 Apr 2022, Konstantin Olchanski, Info, ODB JSON support
|
> > > > odbedit can now save ODB in JSON-formatted files.
> > encode NaN, Inf and -Inf as JSON string values "NaN", "Infinity" and "-Infinity". (Corresponding to the respective Javascript values).
> http://docs.oasis-open.org/odata/odata-json-format/v4.0/os/odata-json-format-v4.0-os.html
|
13 Apr 2022, Stefan Ritt, Info, ODB JSON support
|
> Per xkcd, there is a new json standard "json5". In addition to other things, numeric
> values NaN, +Infinity and -Infinity are encoded as literals NaN, Infinity and -Infinity (without quotes):
> https://spec.json5.org/#numbers
|
13 Apr 2022, Konstantin Olchanski, Info, ODB JSON support
|
> > Per xkcd, there is a new json standard "json5". In addition to other things, numeric
> > values NaN, +Infinity and -Infinity are encoded as literals NaN, Infinity and -Infinity (without quotes):
> > https://spec.json5.org/#numbers
|
31 Mar 2022, Konstantin Olchanski, Bug Fix, "run stop" trouble in mlogger, fixed
|
while debugging something else, I ran into a bit of trouble in mlogger.
I set the mlogger event limit to 100, and after reaching 100 events, mlogger
|
30 Mar 2022, Konstantin Olchanski, Bug Fix, erroneous removal of odb clients, fixed
|
commit https://bitbucket.org/tmidas/midas/commits/b1fe21445109774be3f059c2124727b414abf835
made on 2022-02-21 fixed a serious bug in ODB.
|
29 Mar 2022, Konstantin Olchanski, Bug Fix, mdump can read lz4 and bz2 files now
|
I converted mdump file i/o from older mdsupport library to newer midasio library
and it can now read .mid, .mid.gz, .mid.lz4 and .mid.bz2 files. Output should be
identical to what it printed before, if you see any differences, please report
|
29 Mar 2022, Hunter Lowe, Forum, Triggering without LAM signal - mcstd_libgpmc_camac driver
|
Hello,
I have a question for anyone experienced with simple CAMAC systems.
|
12 Dec 2021, Marius Koeppel, Bug Report, Writting MIDAS Events via FPGAs
|
Dear all,
in 13 Feb 2020 to 21 Feb 2020 we had a talk about how I try to create MIDAS events directly on a FPGA and
|
26 Jan 2022, Konstantin Olchanski, Bug Report, Writting MIDAS Events via FPGAs
|
> today I did not get the data into MIDAS.
Any error messages printed by the frontend? any error message in midas.log? core dumps? crashes?
|
26 Jan 2022, Marius Koeppel, Bug Report, Writting MIDAS Events via FPGAs
|
> Any error messages printed by the frontend? any error message in midas.log? core dumps? crashes?
> I do not understand what you mean by "did not get the data into midas". You create events
|
26 Jan 2022, Konstantin Olchanski, Bug Report, Writting MIDAS Events via FPGAs
|
>
> > Any error messages printed by the frontend? any error message in midas.log? core dumps? crashes?
> > I do not understand what you mean by "did not get the data into midas". You create events
|
26 Jan 2022, Marius Koeppel, Bug Report, Writting MIDAS Events via FPGAs
|
> If you are connected locally (no mserver), I want to know the value returned by bm_send_event(). Simplest
> if you edit mfe.c and everywhere it calls bm_send_event() and rpc_send_event(), print the returned value.
|
28 Jan 2022, Stefan Ritt, Bug Report, Writting MIDAS Events via FPGAs
|
I finally got the dummy program working. There were several issues:
- event_buffer_size was defined as 10000 * 32 MB = 320 GB, exceeding the RAM of the computer
|
16 Feb 2022, Marius Koeppel, Bug Report, Writting MIDAS Events via FPGAs
|
I just came back to this and started to use the dummy frontend.
Unfortunately, I have a problem during run cycles:
|
03 Mar 2022, Stefan Ritt, Bug Report, Writting MIDAS Events via FPGAs
|
> Starting the frontend and starting a run works fine -> seeing events with mdump and also on the web GUI.
> But when I stop the run and try to start the next run the frontend is sending no events anymore.
> It get stuck at line 221 (if (status == DB_TIMEOUT)).
|
07 Mar 2022, Marius Koeppel, Bug Report, Writting MIDAS Events via FPGAs
|
> This problem has (likely) been fixed in the current version. Please pull develop and try again. Was a recursive call to the event collection routine which
is only triggered if you send events faster than
> the logger can digest, so not many people see it.
|
25 Mar 2022, Marius Koeppel, Bug Report, Writting MIDAS Events via FPGAs
|
I finally found the problem why the readout stops after a run transition.
In my dummy frontend the serial number was not reset to zero at run start.
|
23 Mar 2022, Konstantin Olchanski, Bug Fix, mhttpd bug fixed
|
the mhttpd bug should be fixed now (branch feature/buffer_mutex).
simplest way to reproduce:
|
24 Mar 2022, Stefan Ritt, Bug Fix, mhttpd bug fixed
|
> 1st wget stops (by ctrl-C), socket is closed, mongoose frees it's mg_connection object
> (corresponding worker is still labouring, hmm... actually sleeping, and now has a stale nc pointer)
>
|
24 Mar 2022, Konstantin Olchanski, Bug Fix, mhttpd bug fixed
|
> > 1st wget stops (by ctrl-C), socket is closed, mongoose frees it's mg_connection object
> > (corresponding worker is still labouring, hmm... actually sleeping, and now has a stale nc pointer)
> >
|
24 Mar 2022, Stefan Ritt, Bug Fix, mhttpd bug fixed
|
I see, now I understand.
As for the browser cache problem: This Chrome extension is your friend:
|
24 Mar 2022, Konstantin Olchanski, Bug Fix, mhttpd bug fixed
|
> As for the browser cache problem: This Chrome extension is your friend ...
for google chrome, it is easy, open the javascript debugger (left-click "inspect"),
|
10 Aug 2020, Ivo Schulthess, Bug Report, data missing in runXXXXXX.mid
|
Dear all
We just started our beam time at ILL and just found yesterday that for certain
|
10 Aug 2020, Stefan Ritt, Bug Report, data missing in runXXXXXX.mid
|
> Dear all
>
> We just started our beam time at ILL and just found yesterday that for certain
|
10 Aug 2020, Ivo Schulthess, Bug Report, data missing in runXXXXXX.mid
|
> > Dear all
> >
> > We just started our beam time at ILL and just found yesterday that for certain
|
10 Aug 2020, Stefan Ritt, Bug Report, data missing in runXXXXXX.mid
|
> Both set to -1. We only have one logging channel. If we run a sequence with a few runs and the
> same settings, sometimes data is in the .mid file and sometimes it is not.
|
10 Aug 2020, Ivo Schulthess, Bug Report, data missing in runXXXXXX.mid
|
> Then I'm running out of ideas. Things I would check:
>
> - Are the file sizes about the same?
|
10 Aug 2020, Stefan Ritt, Bug Report, data missing in runXXXXXX.mid
|
> So I did a quick check. The file size is about the same (322K and 329K). When I dump the .mid I don't see
> the banks. It only prints two lines with "------ Event# 0 ------" and "------ Event# 1 ------" whereas for
> the file with data I get the two banks with all the data. Our online analyzer also fails to see the banks.
|
10 Aug 2020, Ivo Schulthess, Bug Report, data missing in runXXXXXX.mid
|
> with "dump" I meant a true object dump like "hexdump -C run000001.mid". I produced a file with ADC0 and TDC0
> banks (that's the example from the distribution under exampels/experiments/frontend.cxx), and I get
>
|
10 Aug 2020, Stefan Ritt, Bug Report, data missing in runXXXXXX.mid
|
Have you tried longer files? Maybe a few 100 MB or so. Maybe a buffer is not flushed correctly at the end of a run. |
10 Aug 2020, Ivo Schulthess, Bug Report, data missing in runXXXXXX.mid
|
> Have you tried longer files? Maybe a few 100 MB or so. Maybe a buffer is not flushed correctly at the end of a run.
Yes, I did. This 7 KB of the data bank is about the limit. If we go only 1 KB higher it seems that we save all data. In
|
10 Aug 2020, Stefan Ritt, Bug Report, data missing in runXXXXXX.mid
|
I have to reproduce the problem to fix it. Why don't you go and modify midas/examples/experiment/frontend.cxx in such a way that
it creates exactly the banks you have, just with random data. If you see the same problem, send me your frontend file so that I
can reproduce it. |
11 Aug 2020, Konstantin Olchanski, Bug Report, data missing in runXXXXXX.mid
|
> I have to reproduce the problem to fix it. Why don't you go and modify midas/examples/experiment/frontend.cxx in such a way that
> it creates exactly the banks you have, just with random data. If you see the same problem, send me your frontend file so that I
> can reproduce it.
|
11 Aug 2020, Ivo Schulthess, Bug Report, data missing in runXXXXXX.mid
|
> It would be good to pin point there the data is lost. This is the sequence:
>
> frontend user code -> mfe.c code -> SYSTEM buffer -> mlogger -> disk
|
24 Mar 2022, Konstantin Olchanski, Bug Report, data missing in runXXXXXX.mid
|
> > It would be good to pin point there the data is lost. This is the sequence:
> >
> > frontend user code -> mfe.c code -> SYSTEM buffer -> mlogger -> disk
|
24 Mar 2022, Stefan Ritt, Bug Report, data missing in runXXXXXX.mid
|
One idea: we should have a look at mlogger::close_channels(). There the SYSTEM buffer is emptied through the cm_yield() call. Instrumenting this with some
debugging code will enlighten us.
|
24 Mar 2022, Konstantin Olchanski, Bug Report, data missing in runXXXXXX.mid
|
> One idea: we should have a look at mlogger::close_channels().
> There the SYSTEM buffer is emptied through the cm_yield() call.
> Instrumenting this with some debugging code will enlighten us.
|
22 Mar 2022, Konstantin Olchanski, Bug Fix, fix for event buffer corruption in bm_flush_cache()
|
multithreaded frontends have an unusual event buffer corruption if the write
cache is enabled. For a long time now I had to disable the write cache on
all multithreaded frontends in alpha-g, I was hitting this bug quite often.
|
22 Mar 2022, Stefan Ritt, Bug Fix, fix for event buffer corruption in bm_flush_cache()
|
Thanks Konstantin for your detailed description.
I wonder why we never saw this problem at PSI. Here is the reason: In multil-threaded environments, we never call bm_send_event() directly
|
23 Mar 2022, Konstantin Olchanski, Bug Fix, fix for event buffer corruption in bm_flush_cache()
|
I confirm, there is no problem in single-threaded programs, and
there is no problem if all bm_send_event() and bm_flush_cache() are called
from the same thread.
|
24 Mar 2022, Stefan Ritt, Bug Fix, fix for event buffer corruption in bm_flush_cache()
|
> > ... instead of struggling with all your locks.
>
> it is better to have midas fully thread safe. ODB has been so for a long time,
|
23 Mar 2022, Ivo Schulthess, Bug Fix, fix for event buffer corruption in bm_flush_cache()
|
Thanks for the investigation. Back in 2020, we had some issues of losing data between the system buffer and the logger writing them to disk (https://daq00.triumf.ca/elog-midas/Midas/1966).
This was polled equipment but we had a multithreaded FE running at the same time. Could this be related to the same problem?
|
24 Mar 2022, Konstantin Olchanski, Bug Fix, fix for event buffer corruption in bm_flush_cache()
|
> Thanks for the investigation. Back in 2020, we had some issues
> of losing data between the system buffer and the logger writing them
> to disk (https://daq00.triumf.ca/elog-midas/Midas/1966). This was polled equipment
|
23 Mar 2022, Hunter Lowe, Forum, ODB has issue with example analyzer
|
Trying to play with midas file but I get error:
[Analyzer,ERROR] [odb.cxx:845:db_validate_name,ERROR] Invalid name "/Analyzer/Tests/low_sum/Rate [Hz]" passed to db_create_key_wlocked: should not contain |
15 Mar 2022, Konstantin Olchanski, Bug Fix, mhttpd ipv6 bind should be fixed now
|
Something changed after my initial implementation of ipv6 in mhttpd
and listening to ipv6 http/https connections was broken.
|
23 Mar 2022, Konstantin Olchanski, Bug Fix, mhttpd ipv6 bind should be fixed now
|
> Something changed after my initial implementation of ipv6 in mhttpd
> and listening to ipv6 http/https connections was broken.
|
10 Mar 2022, Gennaro Tortone, Bug Report, Python ODB watch
|
Hi,
I have an issue with ODB watch on MIDAS Python library;
|
16 Mar 2022, Ben Smith, Bug Report, Python ODB watch
|
> It seems that the second write operation "overlaps" the first one...
Hi Gennaro,
|
21 Mar 2022, Stefan Ritt, Bug Report, Python ODB watch
|
What you describe is a well-known problem with the ODB. At PSI we have similar issues. There are
two approaches to solve it:
|
03 Mar 2022, Konstantin Olchanski, Info, manalyzer updated
|
manalyzer was updated to latest version. mostly multi-threading improvements from
Joseph and myself. K.O. |
03 Mar 2022, Konstantin Olchanski, Info, zlib required, lz4 internal
|
as of commit 8eb18e4ae9c57a8a802219b90d4dc218eb8fdefb, the gzip compression
library is required, not optional.
|
23 Feb 2022, Stefan Ritt, Info, Midas slow control event generation switched to 32-bit banks
|
The midas slow control system class drivers automatically read their equipment and generate events containing midas banks. So far these have been 16-bit
banks using bk_init(). But now more and more experiments use large amount of channels, so the 16-bit address space is exceeded. Until last week, there
was even no check that this happens, leading to unpredictable crashes.
|
08 Feb 2022, jago aartsen, Bug Fix, ODBINC/Sequencer Issue
|
Hi all,
I am having some issues getting the ODBINC command to work within the MIDAS
|
08 Feb 2022, Konstantin Olchanski, Bug Fix, ODBINC/Sequencer Issue
|
Please post the output of odbedit "ls -l" for /eq/ar.../variables. (you posted the
variable name as an image, and I cannot cut-and-paste the odb path!). BTW data size 4 is
correct, 4 bytes for INT32/UINT32/FLOAT. For DOUBLE it should be 8. For you it prints 32
|
09 Feb 2022, jago aartsen, Bug Fix, ODBINC/Sequencer Issue
|
> Please post the output of odbedit "ls -l" for /eq/ar.../variables. (you posted the
> variable name as an image, and I cannot cut-and-paste the odb path!). BTW data size 4 is
> correct, 4 bytes for INT32/UINT32/FLOAT. For DOUBLE it should be 8. For you it prints 32
|
09 Feb 2022, Konstantin Olchanski, Bug Fix, ODBINC/Sequencer Issue
|
>
> [local:mu3eMSci:S]/>cd Equipment/ArduinoTestStation/Variables
> [local:mu3eMSci:S]Variables>ls -l
|
10 Feb 2022, Stefan Ritt, Bug Fix, ODBINC/Sequencer Issue
|
I tried following script:
ODBSET /Equipment/ArduinoTestStation/Variables/_S_, 10
|
14 Feb 2022, jago aartsen, Bug Fix, ODBINC/Sequencer Issue
|
> I tried following script:
>
> ODBSET /Equipment/ArduinoTestStation/Variables/_S_, 10
|
14 Feb 2022, Stefan Ritt, Bug Fix, ODBINC/Sequencer Issue
|
Just post here a minimal script which produces the error, so that I can try myself.
... and make sure that you have the latest develop version of midas.
|
14 Feb 2022, jago aartsen, Bug Fix, ODBINC/Sequencer Issue
|
> Just post here a minimal script which produces the error, so that I can try myself.
>
> ... and make sure that you have the latest develop version of midas.
|
14 Feb 2022, Stefan Ritt, Bug Fix, ODBINC/Sequencer Issue
|
> I noticed that "Jacob Thorne" in the forum had the same issue as us in Novemeber last
> year. Indeed we have not installed any later versions of MIDAS since then so we will
> double check we have the latest version.
|
14 Feb 2022, jago aartsen, Bug Fix, ODBINC/Sequencer Issue
|
> > I noticed that "Jacob Thorne" in the forum had the same issue as us in Novemeber last
> > year. Indeed we have not installed any later versions of MIDAS since then so we will
> > double check we have the latest version.
|
15 Feb 2022, Stefan Ritt, Bug Fix, ODBINC/Sequencer Issue
|
> But the error still persists. Is there another way to update which we are missing?
The bug was definitively fixed in this modification:
|
16 Feb 2022, jago aartsen, Bug Fix, ODBINC/Sequencer Issue
|
> > But the error still persists. Is there another way to update which we are missing?
>
> The bug was definitively fixed in this modification:
|
14 Feb 2022, jago aartsen, Bug Fix, ODBINC/Sequencer Issue
|
> >
> > [local:mu3eMSci:S]/>cd Equipment/ArduinoTestStation/Variables
> > [local:mu3eMSci:S]Variables>ls -l
|
02 Dec 2021, Alexey Kalinin, Bug Report, some frontend kicked by cm_periodic_tasks
|
Hello,
We have a small experiment with MIDAS based DAQ.
Status page shows :
|
26 Jan 2022, Konstantin Olchanski, Bug Report, some frontend kicked by cm_periodic_tasks
|
> The problem is that eventually some of frontend closed with message
> :19:22:31.834 2021/12/02 [rootana,INFO] Client 'Sample Frontend38' on buffer
> 'SYSMSG' removed by cm_periodic_tasks because process pid 9789 does not exist
|
11 Feb 2022, Alexey Kalinin, Bug Report, some frontend kicked by cm_periodic_tasks
|
Thanks for the answer.
As soon as I can(possible in a month) I'll try suggestion below:
|
28 May 2021, Joseph McKenna, Bug Report, History plots deceiving users into thinking data is still logging
|
I have been trying to fix this myself but my javascript isn't strong... The
'new' history plot render fills in missing data with the last ODB value
(even
when this value is very old...
elog:2180/1 shows this... The data logging stopped, but the history plot can
fool
users
into thinking data is logging (The export button generates CSVs with
entires every 10 seconds also). Grepping through the history files behind the
scenes, |
28 May 2021, Stefan Ritt, Bug Report, History plots deceiving users into thinking data is still logging
|
This is a known problem and I'm working on. See the discussion at:
https://bitbucket.org/tmidas/midas/issues/305/log_history_periodic-doesnt-account-for
Stefan |
02 Jun 2021, Konstantin Olchanski, Bug Report, History plots deceiving users into thinking data is still logging
|
https://bitbucket.org/tmidas/midas/issues/305/log_history_periodic-doesnt-account-for
this problem is a blocker for the next midas release.
|
10 Feb 2022, Stefan Ritt, Bug Report, History plots deceiving users into thinking data is still logging
|
The problem has been fixed on commit 825935dc on Oct. 2021 and runs fine since then at PSI. If TRIUMF people
agree, we can close that issue and proceed.
|
30 Sep 2021, Francesco Renga, Forum, OPC client within MIDAS
|
Dear all,
I need to integrate in my MIDAS project the communication with an OPC UA
server. My plan is to develop an OPC UA client as a "device" in
|
10 Feb 2022, Francesco Renga, Forum, OPC client within MIDAS
|
Dear all,
I finally succeeded to get a working driver for the communication with an OPC
UA server. It is based on the open62541 library and I use it in combination with the
|
07 Feb 2022, Konstantin Olchanski, Forum, MidasWiki moved from ladd00 to daq00.triumf.ca and updated to MediaWiki 1.35
|
MidasWiki moved from ladd00 (obsolete SL6) to daq00.triumf.ca (Ubuntu LTS 20.04)
and updated from obsolete MediaWiki LTS 1.27.7 to MediaWiki LTS 1.35, supported
until mid-2023, see https://www.mediawiki.org/wiki/Version_lifecycle
|
26 Jan 2022, Frederik Wauters, Forum, .gz files
|
I adapted our analyzer to compile against the manalyzer included in the midas repo.
All our data files are .mid.gz, which now fail to process :(
|
26 Jan 2022, Konstantin Olchanski, Forum, .gz files
|
> I adapted our analyzer to compile against the manalyzer included in the midas repo.
> TMReadEvent: error: short read 0 instead of -1193512213
|
31 Jan 2022, Frederik Wauters, Forum, .gz files
|
> > I adapted our analyzer to compile against the manalyzer included in the midas repo.
> > TMReadEvent: error: short read 0 instead of -1193512213
>
|
29 Jan 2022, Isaac Labrie Boulay, Forum, MIDAS and GRIF-16 digitizer (Standalone Mode).
|
Hi all,
I was sent a version of the frontend for the TIGRESS Detector lab setup so that
|
22 Oct 2021, Francesco Renga, Forum, mhttpd error
|
Dear all,
I am trying to make the MIDAS web server for my DAQ project accessible from other machines. In the ODB, I activated the necessary flags:
|
22 Oct 2021, Stefan Ritt, Forum, mhttpd error
|
> Enable IPv6 y
Probably the IPv6 problem, see here elog:2269
|
25 Oct 2021, Francesco Renga, Forum, mhttpd error
|
It worked, thank you very much!
Francesco
|
26 Jan 2022, Konstantin Olchanski, Forum, mhttpd error
|
> > Enable IPv6 y
>
> Probably the IPv6 problem, see here elog:2269
|
29 Oct 2021, Kushal Kapoor, Bug Report, Unknown Error 319 from client
|
I’m trying to run MIDAS using a frontend code/client named “fetiglab”. Run stops
after 2/3sec with an error saying “Unknown error 319 from client “fetiglab” on
localhost.
|
26 Jan 2022, Konstantin Olchanski, Bug Report, Unknown Error 319 from client
|
> I’m trying to run MIDAS using a frontend code/client named “fetiglab”. Run stops
> after 2/3sec with an error saying “Unknown error 319 from client “fetiglab” on
> localhost.
|
01 Dec 2021, Lars Martin, Bug Report, Off-by-one in sequencer documentation
|
The documentation for the sequencer loop says:
<quote>
|
02 Dec 2021, Stefan Ritt, Bug Report, Off-by-one in sequencer documentation
|
> The documentation for the sequencer loop says:
>
> <quote>
|
26 Jan 2022, Konstantin Olchanski, Bug Report, Off-by-one in sequencer documentation
|
> > 3 LOOP n,4
> > 4 MESSAGE $n,1
> > 5 ENDLOOP
|
26 Jan 2022, Stefan Ritt, Bug Report, Off-by-one in sequencer documentation
|
> Shades/ghosts of FORTRAN. c/c++/perl/python loops loop from 0 to n-1.
for (i=1 ; i<=10 ; i++); ;-) |
26 Jan 2022, Konstantin Olchanski, Bug Report, Off-by-one in sequencer documentation
|
> > Shades/ghosts of FORTRAN. c/c++/perl/python loops loop from 0 to n-1.
>
> for (i=1 ; i<=10 ; i++); ;-)
|
09 Nov 2021, Francesco Renga, Forum, Issue in data writing speed
|
Dear all,
I've a frontend writing a quite big bunch of data into a MIDAS bank (16bit output from a 4MP photo camera).
I'm experiencing a writing speed problem that I don't understand. When the photo camera is triggered at a low rate (< 2 Hz)
|
10 Nov 2021, Stefan Ritt, Forum, Issue in data writing speed
|
Midas uses various buffers (in the frontend, at the server side before the SYSTEM buffer, the SYSTEM buffer itself, on the
logger before writing to disk. All these buffers are in RAM and have fast access, so you can fill them pretty quickly. When
they are full, the logger writes to disk, which is slower. So I believe at 2 Hz your disk can keep up with your writing
|
26 Jan 2022, Konstantin Olchanski, Forum, Issue in data writing speed
|
Francesco, when you say "writing an event is slow", do you mean it in the frontend
or in the output data file?
|
26 Jan 2022, Konstantin Olchanski, Forum, Issue in data writing speed
|
> Francesco, when you say "writing an event is slow", do you mean it in the frontend
> or in the output data file?
|
09 Nov 2021, Hunter Lowe, Forum, MityCAMAC Login
|
Hello all,
I've recently acquired a MityCAMAC system that was built at TRIUMF and I'm
|
11 Nov 2021, Thomas Lindner, Forum, MityCAMAC Login
|
Hi Hunter
This sounds like a Triumf specific problem;
|
26 Jan 2022, Konstantin Olchanski, Info, MityCAMAC Login
|
For those curious about CAMAC controllers, this one was built around 2014 to
replace the aging CAMAC A1/A2 controllers (parallel and serial) in the TRIUMF
cyclotron controls system (around 50 CAMAC crates). It implements the main
|
16 Dec 2021, Zaher Salman, Forum, Device driver for modbus
|
Dear all, does anyone have an example of for a device driver using modbus or modbus tcp to communicate with a device and willing to share it? Thanks. |
26 Jan 2022, Konstantin Olchanski, Forum, Device driver for modbus
|
> Dear all, does anyone have an example of for a device driver using modbus or modbus tcp to communicate with a device and willing to share it? Thanks.
I have not seen any modbus devices recently, so all my code and examples are quite old.
|
19 Nov 2021, Jacob Thorne, Forum, Sequencer error with ODB Inc
|
Hi,
I am having problems with the midas sequencer, here is my code:
|
02 Dec 2021, Stefan Ritt, Forum, Sequencer error with ODB Inc
|
Thanks for reporting that bug. Indeed there was a problem in the sequencer code which I fixed now. Please try the updated develop branch.
Stefan |
29 Oct 2021, Frederik Wauters, Bug Report, midas::odb::iterator + operator
|
I have 16 array odb key
{"FIR Energy", {
|
29 Oct 2021, Frederik Wauters, Bug Report, midas::odb::iterator + operator | work around
|
ok, so retrieving as a std::array (as it was defined) does not work
std::array<uint32_t,16> avalues = settings["FIR Energy"]["Energy Gap Value"];
|
25 Oct 2021, Francesco Renga, Forum, Logger crash
|
Hello,
I'm experiencing crashes of the mlogger program on the time scale of a couple
of days. The only messages from MIDAS are:
|
25 Oct 2021, Stefan Ritt, Forum, Logger crash
|
The short term solution would be to increase the logger timeout in the ODB under
/Programs/Logger/Watchdog timeout
|
14 Oct 2021, Amy Roberts, Suggestion, Adding (or improving discoverability) of TID for odbset
|
Creating an ODB key requires users to know the Type ID that are defined in
https://bitbucket.org/tmidas/midas/src/develop/include/midas.h starting at line 320.
|
15 Oct 2021, Stefan Ritt, Suggestion, Adding (or improving discoverability) of TID for odbset
|
> Creating an ODB key requires users to know the Type ID that are defined in
> https://bitbucket.org/tmidas/midas/src/develop/include/midas.h starting at line 320.
>
|
11 Oct 2021, Konstantin Olchanski, Forum, midas forum updated, moved
|
The midas forum software (elogd) was updated to latest version and moved from our old server
(ladd00.triumf.ca) to our new server (daq00.triumf.ca).
|
11 Oct 2021, Konstantin Olchanski, Forum, test
|
test, no email. K.O. |
11 Oct 2021, Konstantin Olchanski, Forum, test
|
> test, no email. K.O.
test reply, no email. K.O. |
11 Oct 2021, Konstantin Olchanski, Forum, test
|
> > test, no email. K.O.
>
> test reply, no email. K.O.
|
11 Oct 2021, Konstantin Olchanski, Forum, test
|
> > > test, no email. K.O.
> >
> > test reply, no email. K.O.
|
11 Oct 2021, Stefan Ritt, Info, Modification in the history logging system
|
A requested change in the history logging system has been made today. Previously, history values were
logged with a maximum frequency (usually once per second) but also with a minimum frequency, meaning
that values were logged for example every 60 seconds, even if they did not change. This causes a problem.
|
29 Sep 2021, Richard Longland, Bug Report, nstall clash between MIDAS 2020-08 and mscb
|
Thank you, Stefan.
I found these instructions under
|
29 Sep 2021, Stefan Ritt, Bug Report, nstall clash between MIDAS 2020-08 and mscb
|
> Thank you, Stefan.
>
> I found these instructions under
|
28 Sep 2021, Richard Longland, Bug Report, Install clash between MIDAS 2020-08 and mscb
|
All,
I am performing a fresh install of MIDAS on an Ubuntu linux box. I follow the
|
28 Sep 2021, Stefan Ritt, Bug Report, Install clash between MIDAS 2020-08 and mscb
|
> 1) git clone https://bitbucket.org/tmidas/midas --recursive
> 2) cd midas
> 3) git checkout release/midas-2020-08
|
19 Sep 2021, Stefan Ritt, Bug Fix, Chat working again
|
Not sure how many people are using it, but the Chat facility in midas was broken
for some time now and got fixed today again.
|
06 Sep 2021, Andreas Suter, Forum, mhttpd crash
|
midas version used: midas-2019-05-cxx-1461-g906be8b
I find in the systemd log every couple of days/weeks the following error message related to the mhttpd:
|
06 Sep 2021, Konstantin Olchanski, Forum, mhttpd crash
|
> [mhttpd,ERROR] [mhttpd.cxx:18886:on_work_complete,ERROR] Should not send response to request from socket 28 to socket 26, abort!
> Can anybody hint me what is going wrong here?
> The bad thing on the crash is, that sometimes it is leading to a "chain-reaction" killing multiple midas frontends, which essentially stop the experiment.
|
07 Sep 2021, Andreas Suter, Forum, mhttpd crash
|
Dear Konstantin,
thanks for the prompt response, this helps a lot!
|
17 Sep 2021, Stefan Ritt, Forum, mhttpd crash
|
To limit the impact of the numerous crashes of mhttpd, I installed the monit tool at MEG at PSI
(https://en.wikipedia.org/wiki/Monit). It monitors mhttpd, and if it cannot connect to it for a certain
time, it kills the process and restarts it. This covers endless loops, simple crashes (caused by the
|
24 Jun 2021, Konstantin Olchanski, Bug Fix, changes in history plots
|
I am updating the history plots. Main changes:
- the old history display code should again be easily usable (use the "open in old history display" checkbox)
|
24 Jun 2021, Stefan Ritt, Bug Fix, changes in history plots
|
I disagree with the proposed change to scale the HV current for a "nice" display. If values are scaled, the axis should be
scaled in the same way. Otherwise people might read the current from the plot, look at the axis, and again get the wrong
value (the factor of 25x you mention). Sure you can hover with the cursor over the graph, and see the right value, but think
|
25 Jun 2021, Marco Francesconi, Bug Fix, changes in history plots
|
We are using the new history formula as a quick way to convert signals from sensors to actual physical values (for example Voltage->Temperature, Voltage->relative
humidity
...), so it is great that the shown voltage is the calculated one.
|
25 Jun 2021, Konstantin Olchanski, Bug Fix, changes in history plots
|
I will have to post an example of a scaled plot. I figure everybody forgot how they look like.
K.O.
|
25 Jun 2021, Konstantin Olchanski, Bug Fix, changes in history plots
|
> I disagree ...
I am happy with disagreement and differences of opinions. Zest of life, driver of progress and improvements, etc.
|
25 Jun 2021, Konstantin Olchanski, Bug Fix, changes in history plots
|
> > The only "correct" way in my opinion is to implement two vertical axis, as can be seen in some papers. One for the HV, and a
> > new TBD right axis for the current values, then indicating for each graph if the left or right vertical axis applies. For
> > the secondary axis we can have autoscaling or fixed scaling, as we have for the primary axis.
|
25 Jun 2021, Stefan Ritt, Bug Fix, changes in history plots
|
A general warning: With the recent history changes implemented in the develop branch, starting from a fresh ODB and editing
any history panel, on gets tons of errors and debug output from mhttpd:
|
25 Jun 2021, Konstantin Olchanski, Bug Fix, changes in history plots
|
> A general warning: With the recent history changes implemented in the develop branch, starting from a fresh ODB and editing
> any history panel, on gets tons of errors and debug output from mhttpd: ...
|
30 Jun 2021, Konstantin Olchanski, Bug Fix, changes in history plots
|
> I am updating the history plots.
> So the idea is to use this computation:
> y_position_on_plot = offset + factor*(formula(history_value) - voffset)
|
14 Jul 2021, Konstantin Olchanski, Bug Fix, changes in history plots
|
Moving in the direction of this proposal. History plot editor is updated according to it. Remaining missing piece is the "show
raw value" buttons and code behind them.
|
14 Jul 2021, Konstantin Olchanski, Bug Fix, changes in history plots
|
> Moving in the direction of this proposal. Remaining missing piece is the "show
> raw value" buttons and code behind them.
|
24 Aug 2021, Stefan Ritt, Bug Fix, changes in history plots
|
One addition I would be in favour of is to remove the "Order" and replace it with drag&drop handles, because this is what people are more
used to today. Only the old guys like us remember the /etc/init.d/xx_yy scheme where one uses an integer number in the file name to
determine an order.
|
19 Aug 2021, Konstantin Olchanski, Bug Report, select() FD_SETSIZE overrun
|
I am looking at the mlogger in the ALPHA anti-hydrogen experiment at CERN. It is
mysteriously misbehaving during run start and stop.
|
20 Aug 2021, Stefan Ritt, Bug Report, select() FD_SETSIZE overrun
|
> I am looking at the mlogger in the ALPHA anti-hydrogen experiment at CERN. It is
> mysteriously misbehaving during run start and stop.
>
|
12 May 2021, Mathieu Guigue, Bug Report, mhttpd WebServer ODBTree initialization
|
Hi,
Using midas version 12-2020, I am trying to run mhttpd from within a docker container using docker-compose.
|
12 May 2021, Ben Smith, Bug Report, mhttpd WebServer ODBTree initialization
|
> midas_hatfe_1 | Mongoose web server listening on http address "localhost:8080", passwords OFF, hostlist OFF
> midas_hatfe_1 | [mhttpd,ERROR] [mhttpd.cxx:19160:mongoose_listen,ERROR] Cannot mg_bind address "[::1]:8080"
|
12 May 2021, Stefan Ritt, Bug Report, mhttpd WebServer ODBTree initialization
|
> It looks like mhttpd managed to bind to the IPv4 address (localhost), but not the IPv6 address (::1). If you don't need it, try setting "/Webserver/Enable
IPv6" to false.
|
13 May 2021, Mathieu Guigue, Bug Report, mhttpd WebServer ODBTree initialization
|
> > It looks like mhttpd managed to bind to the IPv4 address (localhost), but not the IPv6 address (::1). If you don't need it, try setting "/Webserver/Enable
IPv6" to false.
>
|
14 May 2021, Stefan Ritt, Bug Report, mhttpd WebServer ODBTree initialization
|
> Thanks a lot, this solved my issue!
... or we should turn IPv6 off by default, since not many people use this right now. |
02 Jun 2021, Konstantin Olchanski, Bug Report, mhttpd WebServer ODBTree initialization
|
> > Thanks a lot, this solved my issue!
>
> ... or we should turn IPv6 off by default, since not many people use this right now.
|
05 Aug 2021, Stefan Ritt, Bug Report, mhttpd WebServer ODBTree initialization
|
Well, we all see it here at PSI, so this is enough reason to turn this off by default. Shall
I do it? |
04 Jun 2021, Andreas Suter, Bug Report, cmake with CMAKE_INSTALL_PREFIX fails
|
Hi,
if I check out midas and try to configure it with
|
04 Jun 2021, Konstantin Olchanski, Bug Report, cmake with CMAKE_INSTALL_PREFIX fails
|
> cmake ../ -DCMAKE_INSTALL_PREFIX=/usr/local/midas
good timing, I am working on cmake for manalyzer and rootana and I have not tested
|
04 Jun 2021, Konstantin Olchanski, Bug Report, cmake with CMAKE_INSTALL_PREFIX fails
|
> cmake ../ -DCMAKE_INSTALL_PREFIX=/usr/local/midas
> Is the cmake setup not relocatable? This is new and was working until recently:
|
04 Jun 2021, Andreas Suter, Bug Report, cmake with CMAKE_INSTALL_PREFIX fails
|
> > cmake ../ -DCMAKE_INSTALL_PREFIX=/usr/local/midas
> > Is the cmake setup not relocatable? This is new and was working until recently:
>
|
08 Jun 2021, Konstantin Olchanski, Bug Report, cmake with CMAKE_INSTALL_PREFIX fails
|
> > > cmake ../ -DCMAKE_INSTALL_PREFIX=/usr/local/midas
> > > Is the cmake setup not relocatable? This is new and was working until recently:
> > Not relocatable. This is because we do not install the header files.
|
09 Jun 2021, Andreas Suter, Bug Report, cmake with CMAKE_INSTALL_PREFIX fails
|
> > > > cmake ../ -DCMAKE_INSTALL_PREFIX=/usr/local/midas
> > > > Is the cmake setup not relocatable? This is new and was working until recently:
> > > Not relocatable. This is because we do not install the header files.
|
10 Jun 2021, Konstantin Olchanski, Bug Report, cmake with CMAKE_INSTALL_PREFIX fails
|
> > > > > cmake ../ -DCMAKE_INSTALL_PREFIX=/usr/local/midas
> > > > > Is the cmake setup not relocatable? This is new and was working until recently:
> > > > Not relocatable. This is because we do not install the header files.
|
10 Jun 2021, Andreas Suter, Bug Report, cmake with CMAKE_INSTALL_PREFIX fails
|
> > > > > > cmake ../ -DCMAKE_INSTALL_PREFIX=/usr/local/midas
> > > > > > Is the cmake setup not relocatable? This is new and was working until recently:
> > > > > Not relocatable. This is because we do not install the header files.
|
11 Jul 2021, Konstantin Olchanski, Bug Report, cmake with CMAKE_INSTALL_PREFIX fails
|
big thanks to Andreas S. for getting most of this figured out. I now understand
much better how cmake installs things and how it generates config files, both
find_package(midas) style and install(export) style.
|
02 Aug 2021, Andreas Suter, Bug Report, cmake with CMAKE_INSTALL_PREFIX fails
|
Dear Konstantin,
I have tried your adopted version. You did already quite a job which is more consistent than what I was suggesting.
|
31 Jul 2021, Peter Kunz, Bug Report, ss_shm_name: unsupported shared memory type, bye!
|
I ran into a problem trying to compile the latest MIDAS version on a Fedora
system.
|
09 Jul 2021, Konstantin Olchanski, Bug Report, cmake question
|
cmake check and mate in 1 move. please help.
the midas cmake file has a typo in the ROOT_CXX_FLAGS, I fixed it and now I am dead in the
|
13 Jul 2021, Konstantin Olchanski, Bug Report, cmake question
|
> cmake check and mate in 1 move. please help.
> -std=c++11 and -std=c++14 collision...
|
14 Jul 2021, Konstantin Olchanski, Bug Report, cmake question
|
> > cmake check and mate in 1 move. please help.
> > -std=c++11 and -std=c++14 collision...
>
|
10 Aug 2020, Mathieu Guigue, Info, MidasConfig.cmake usage
|
As the Midas software is installed using CMake, it can be easily integrated into
other CMake projects using the MidasConfig.cmake file produced during the Midas
installation.
|
28 May 2021, Konstantin Olchanski, Info, MidasConfig.cmake usage
|
How does "find_package (Midas REQUIRED)" find the location of MIDAS?
The best I can tell from the current code, the package config files are installed
|
28 May 2021, Marius Koeppel, Info, MidasConfig.cmake usage
|
> Does anybody actually use "find_package(midas)", does it actually work for anybody?
What we do is to include midas as a submodule and than we call find_package:
|
28 May 2021, Konstantin Olchanski, Info, MidasConfig.cmake usage
|
> > Does anybody actually use "find_package(midas)", does it actually work for anybody?
>
> What we do is to include midas as a submodule and than we call find_package:
|
31 May 2021, Stefan Ritt, Info, MidasConfig.cmake usage
|
MidasConfig.cmake might at some point get included in the standard Cmake installation (or some add-on). It will then reside in the Cmake system path
and you don't have to explicitly know where this is. Just the find_package(Midas) will then be enough.
|
02 Jun 2021, Konstantin Olchanski, Info, MidasConfig.cmake usage
|
> MidasConfig.cmake might at some point get included in the standard Cmake installation (or some add-on). It will then reside in the Cmake system path
> and you don't have to explicitly know where this is. Just the find_package(Midas) will then be enough.
|
04 Jun 2021, Konstantin Olchanski, Info, MidasConfig.cmake usage
|
> find_package(Midas)
I am testing find_package(Midas). There is a number of problems:
|
04 Jun 2021, Konstantin Olchanski, Info, MidasConfig.cmake usage
|
> > find_package(Midas)
>
> So how much time should I spend in fixing find_package(Midas) to make it generally usable?
|
20 Jun 2021, Lukas Gerritzen, Suggestion, MidasConfig.cmake usage
|
I agree that those two things are problems, but I don't see why it is preferable to leave the MidasConfig.cmake in this "broken" state. For us
problem 1 is less of an issue, becaues we run "link_directories(${MIDAS_LIBRARY_DIRS})" in the top CMakeLists.txt and then just link against "midas",
not "${MIDAS_LIBRARIES}". However, number 2 would be nice, to not manually hack in target_include_directories(target ${MIDASSYS}/mscb/include),
|
20 Jun 2021, Konstantin Olchanski, Suggestion, MidasConfig.cmake usage
|
> I agree that those two things are problems, but I don't see why it is preferable to leave the MidasConfig.cmake in this "broken" state. For us
> problem 1 is less of an issue, becaues we run "link_directories(${MIDAS_LIBRARY_DIRS})" in the top CMakeLists.txt and then just link against "midas",
|
22 Jun 2021, Lukas Gerritzen, Suggestion, MidasConfig.cmake usage
|
> So you say "nuke ${MIDAS_LIBRARIES}" and "fix ${MIDAS_INCLUDE}". Ok.
A more moderate option would be to remove mfe from ${MIDAS_LIBRARIES}, but as far as I understand mfe is not the only problem, so nuking might be the
|
24 Jun 2021, Konstantin Olchanski, Suggestion, MidasConfig.cmake usage
|
> > So you say "nuke ${MIDAS_LIBRARIES}" and "fix ${MIDAS_INCLUDE}". Ok.
> A more moderate option ...
|
11 Jul 2021, Konstantin Olchanski, Suggestion, MidasConfig.cmake usage
|
> > > So you say "nuke ${MIDAS_LIBRARIES}" and "fix ${MIDAS_INCLUDE}". Ok.
> > A more moderate option ...
>
|
13 Jul 2021, Stefan Ritt, Info, MidasConfig.cmake usage
|
Thanks for the contribution of MidasConfig.cmake. May I kindly ask for one extension:
Many of our frontends require inclusion of some midas-supplied drivers and libraries
|
13 Jul 2021, Konstantin Olchanski, Info, MidasConfig.cmake usage
|
> $MIDASSYS/drivers/class/
> $MIDASSYS/drivers/device
> $MIDASSYS/mscb/src/
|
11 Jul 2021, Konstantin Olchanski, Info, midas cmake update
|
I reworked the midas cmake files:
- install via CMAKE_INSTALL_PREFIX should work correctly now:
- installed are bin, lib and include - everything needed to build against the midas library
|
09 Jul 2021, Konstantin Olchanski, Info, cannot push to bitbucket
|
the day has arrived when I cannot git push to bitbucket. cloud computing rules!
I have never seen this error before and I do not think we have any hooks installed,
|
08 Jul 2021, Francesco Renga, Forum, Problem with python file reader
|
Dear experts,
while trying to readout a MIDAS file from a python script. I get the error below at the very first event. Any hint?
|
09 Jul 2021, Ben Smith, Forum, Problem with python file reader
|
Hi Francesco,
Can you send me an example file to look at please? Either attached to the elog or sent directly to bsmith@triumf.ca
|
29 Jun 2021, Lukas Gerritzen, Bug Report, modbcheckbox behaves erroneous with UINT32 variables
|
For boolean and INT32 variables, modbcheckbox works as expected. You click, it
sets the variable to true or 1, the checkbox stays checked until you click again
and it's being set back to 0.
|
30 Jun 2021, Stefan Ritt, Bug Report, modbcheckbox behaves erroneous with UINT32 variables
|
> For boolean and INT32 variables, modbcheckbox works as expected. You click, it
> sets the variable to true or 1, the checkbox stays checked until you click again
> and it's being set back to 0.
|
30 Jun 2021, Lukas Gerritzen, Bug Report, modbcheckbox behaves erroneous with UINT32 variables
|
Thanks for the quick fix. |
28 Jun 2021, Marco Francesconi, Suggestion, ODB Load in Sequencer
|
Hi all,
for my experiment we ended up with the need of changing lot of parameters (~9000 values) in the ODB at once by the sequencer.
The very first solution was to use a sequencer function with a ton of ODBSET calls, however a more elegant solution may be to provide an "ODBLoad" command |
28 Jun 2021, Stefan Ritt, Suggestion, ODB Load in Sequencer
|
> Hi all,
> for my experiment we ended up with the need of changing lot of parameters (~9000 values) in the ODB at once by the sequencer.
> The very first solution was to use a sequencer function with a ton of ODBSET calls, however a more elegant solution may be to provide an "ODBLoad" command |
28 Jun 2021, Konstantin Olchanski, Suggestion, ODB Load in Sequencer
|
> Hi all,
> for my experiment we ended up with the need of changing lot of parameters (~9000 values) in the ODB at once by the sequencer.
> The very first solution was to use a sequencer function with a ton of ODBSET calls, however a more elegant solution may be to provide an "ODBLoad" command |
28 Jun 2021, Stefan Ritt, Suggestion, ODB Load in Sequencer
|
> > Hi all,
> > for my experiment we ended up with the need of changing lot of parameters (~9000 values) in the ODB at once by the sequencer.
> > The very first solution was to use a sequencer function with a ton of ODBSET calls, however a more elegant solution may be to provide an "ODBLoad" |
28 Jun 2021, Konstantin Olchanski, Suggestion, ODB Load in Sequencer
|
> > > Hi all,
> > > for my experiment we ended up with the need of changing lot of parameters (~9000 values) in the ODB at once by the sequencer.
> > > The very first solution was to use a sequencer function with a ton of ODBSET calls, however a more elegant solution may be to provide an "ODBLoad" |
28 Jun 2021, Stefan Ritt, Suggestion, ODB Load in Sequencer
|
> > > > Hi all,
> > > > for my experiment we ended up with the need of changing lot of parameters (~9000 values) in the ODB at once by the sequencer.
> > > > The very first solution was to use a sequencer function with a ton of ODBSET calls, however a more elegant solution may be to provide an "ODBLoad" |
28 Jun 2021, Konstantin Olchanski, Suggestion, ODB Load in Sequencer
|
> ... at MEG, we keep hundreds of XML files for configuration. Mostly historical, but that's how it is.
same here, lots of historical .odb and .xml files.
|
28 Jun 2021, Marco Francesconi, Suggestion, ODB Load in Sequencer
|
My idea was to collect some feedback instead of blindly submitting code for a pull request.
Currently I'm just calling db_load() with a given file, so it is only supporting .odb formatting.
|
29 Jun 2021, Marco Francesconi, Suggestion, ODB Load in Sequencer
|
I just submitted a pull request for this feature, I did quite a lot of testing and it looks good to me.
Let me know if something is not clear.
|
30 Jun 2021, Stefan Ritt, Suggestion, ODB Load in Sequencer
|
I quickly checked the pull request and could not find any obvious problem, so I merged it. |
18 Jun 2021, Konstantin Olchanski, Bug Report, my html modbvalue thing is not working?
|
I have a web page and I try to use modbvalue, but nothing happens. The best I can tell, I follow the documentation
(https://midas.triumf.ca/MidasWiki/index.php/Custom_Page#modbvalue).
|
25 Jun 2021, Stefan Ritt, Bug Report, my html modbvalue thing is not working?
|
Can you post your complete page here so that I can have a look?
Stefan |
21 Jun 2021, Lars Martin, Bug Report, ELog documentation inconsistency
|
The documentation fro the Elog ODB tree here:
https://midas.triumf.ca/MidasWiki/index.php//Elog_ODB_tree#Url
|
17 Jun 2021, Joseph McKenna, Info, Add support for rtsp camera streams in mlogger (history_image.cxx)
|
mlogger (history_image) now supports rtsp cameras, in ALPHA we have
acquisitioned several new network connected cameras. Unfortunately they dont
have a way of just capturing a single frame using libcurl
|
18 Jun 2021, Konstantin Olchanski, Info, Add support for rtsp camera streams in mlogger (history_image.cxx)
|
> mlogger (history_image) now supports rtsp cameras
my goodness, we will drive the video surveillance industry out of business.
|
15 Jun 2021, Konstantin Olchanski, Info, 1000 Mbytes/sec through midas achieved!
|
I am sure everybody else has 10gige and 40gige networks and are sending terabytes of data before breakfast.
Myself, I only have one computer with a 10gige network link and sufficient number of daq boards to fill
|
15 Jun 2021, Stefan Ritt, Info, 1000 Mbytes/sec through midas achieved!
|
In MEG II we also kind of achieved this rate. Marco F. will post an entry soon to describe the details. There is only one thing
I want to mention, which is our network switch. Instead of an expensive high-grade switch, we chose a cheap "Chinese" high-grade
switch. We have "rack switches", which are collector switch for each rack receiving up to 10 x 1GBit inputs, and outputting 1 x
|
16 Jun 2021, Marco Francesconi, Info, 1000 Mbytes/sec through midas achieved!
|
As reported by Stefan, in MEG II we have very similar ethernet throughputs.
In total, we have 34 crates each with 32 DRS4 digitiser chips and a single 1 Gbps readout link through a Xilinx Zynq SoC.
The data arrives in push mode without any external intervention, the only throttling being an optional prescaling on the trigger rate.
|
18 Jun 2021, Konstantin Olchanski, Info, 1000 Mbytes/sec through midas achieved!
|
> ... MEG II ... 34 crates each with 32 DRS4 digitiser chips and a single 1 Gbps readout link through a Xilinx Zynq SoC.
>
> Zynq ... embedded ethernet MAC does not support jumbo frames (always read the fine prints in the manuals!)
|
18 Jun 2021, Konstantin Olchanski, Info, 1000 Mbytes/sec through midas achieved!
|
> In MEG II we also kind of achieved this rate.
>
> Instead of an expensive high-grade switch, we chose a cheap "Chinese" high-grade switch.
|
28 May 2021, Joseph McKenna, Suggestion, Have a list of 'users responsible' in Alarms and Programs odb entries
|
There have been times in ALPHA that an alarm is triggered and the shift crew
are unclear who to contact if they aren't trained to fix the specific
|
28 May 2021, Stefan Ritt, Suggestion, Have a list of 'users responsible' in Alarms and Programs odb entries
|
I think this is a good idea and I support it. We have a similar problem in MEG and
we solved that with external (bash) scripts called in case of alarms. One feature
there we have is that for some alarms, several people want to get notified. So
|
28 May 2021, Joseph McKenna, Suggestion, Have a list of 'users responsible' in Alarms and Programs odb entries
|
> I think this is a good idea and I support it. We have a similar problem in MEG and
> we solved that with external (bash) scripts called in case of alarms. One feature
> there we have is that for some alarms, several people want to get notified. So
|
28 May 2021, Stefan Ritt, Suggestion, Have a list of 'users responsible' in Alarms and Programs odb entries
|
> I can still make this an array and pass a std::vector<std::string> into
> al_trigger_class function?
|
28 May 2021, Joseph McKenna, Suggestion, Have a list of 'users responsible' in Alarms and Programs odb entries
|
> > I can still make this an array and pass a std::vector<std::string> into
> > al_trigger_class function?
>
|
28 May 2021, Stefan Ritt, Suggestion, Have a list of 'users responsible' in Alarms and Programs odb entries
|
> > > I can still make this an array and pass a std::vector<std::string> into
> > > al_trigger_class function?
> >
|
28 May 2021, Joseph McKenna, Suggestion, Have a list of 'users responsible' in Alarms and Programs odb entries
|
I've updated the branch / pull request to use an array of 10 entries (80 chars each). 32 felt a
|
31 May 2021, Joseph McKenna, Suggestion, Have a list of 'users responsible' in Alarms and Programs odb entries
|
This list of responsible being attached to alarm message strings will be great for the
mmessenger, however, perhaps its going to generate very long messages for the speaker programs
(web interface and mlxspeaker ):
|
02 Jun 2021, Konstantin Olchanski, Suggestion, Have a list of 'users responsible' in Alarms and Programs odb entries
|
> This list of responsible being attached to alarm message strings ...
This is a great idea. But I think we do not need to artificially limit ourselves
|
09 Jun 2021, Joseph McKenna, Suggestion, Have a list of 'users responsible' in Alarms and Programs odb entries
|
> > This list of responsible being attached to alarm message strings ...
>
> This is a great idea. But I think we do not need to artificially limit ourselves
|
05 Apr 2021, Konstantin Olchanski, Info, blog - convert mfe frontend to tmfe c++ framework
|
notes from converting ALPHA-g chronobox frontend fechrono to tmfe c++ framework.
the chronobox device is a timestamp/low resolution tdc/scaler/generic TTL and ECL io
|
05 Apr 2021, Konstantin Olchanski, Info, blog - convert mfe frontend to tmfe c++ framework
|
Result is here:
https://bitbucket.org/expalpha/chronobox_software/src/master/fechrono_tmfe.cxx
|
15 Jun 2021, Konstantin Olchanski, Info, blog - convert tmfe_rev0 event builder to develop-branch tmfe c++ framework
|
Now we are converting the alpha-g event builder from rev0 tmfe (midas-2020-xx) to the new tmfe c++
framework in midas-develop. Earlier, I followed the steps outlined in this blog
to convert this event builder from mfe.c framework to rev0 tmfe.
|
02 Jun 2021, Konstantin Olchanski, Info, bitbucket build truncated
|
I truncated the bitbucket build to only build on ubuntu LTS 20.04.
Somehow all the other build targets - centos-7, centos-8, ubuntu-18 - have
|
12 May 2021, Pierre Gorel, Bug Report, History formula not correctly managed
|
OS: OSX 10.14.6 Mojave
MIDAS: Downloaded from repo on April 2021.
|
02 Jun 2021, Konstantin Olchanski, Bug Report, History formula not correctly managed
|
> OS: OSX 10.14.6 Mojave
> MIDAS: Downloaded from repo on April 2021.
>
|
24 May 2021, Mathieu Guigue, Bug Report, Bug "is of type"
|
Hi,
I am running a simple FE executable that is supposed to define a PRAW DWORD bank.
|
02 Jun 2021, Konstantin Olchanski, Bug Report, Bug "is of type"
|
> Hi,
>
> I am running a simple FE executable that is supposed to define a PRAW DWORD bank.
|
26 May 2021, Marco Chiappini, Info, label ordering in history plot
|
Dear all,
is there any way to order the labels in the history plot legend? In the old
system there was the “order” column in the config panel, but I can not find it
|
02 Jun 2021, Konstantin Olchanski, Info, label ordering in history plot
|
> is there any way to order the labels in the history plot legend? In the old
> system there was the “order” column in the config panel, but I can not find it
> in the new system. Thanks in advance for the support.
|
02 Jun 2021, Konstantin Olchanski, Info, label ordering in history plot
|
> > is there any way to order the labels in the history plot legend? In the old
> > system there was the “order” column in the config panel, but I can not find it
> > in the new system. Thanks in advance for the support.
|
27 May 2021, Lukas Gerritzen, Bug Report, Wrong location for mysql.h on our Linux systems
|
Hi,
with the recent fix of the CMakeLists.txt, it seems like another bug surfaced.
In midas/progs/mlogger.cxx:48/49, the mysql header files are included without a
|
27 May 2021, Nick Hastings, Bug Report, Wrong location for mysql.h on our Linux systems
|
Hi,
> with the recent fix of the CMakeLists.txt, it seems like another bug
|
02 Jun 2021, Konstantin Olchanski, Bug Report, Wrong location for mysql.h on our Linux systems
|
> % mariadb_config --cflags
> -I/usr/include/mariadb -I/usr/include/mariadb/mysql
|
27 May 2021, Joseph McKenna, Info, MIDAS Messenger - A program to send MIDAS messages to Discord, Slack and or Mattermost
|
I have created a simple program that parses the message buffer in MIDAS and
|
28 May 2021, Joseph McKenna, Info, MIDAS Messenger - A program to forward MIDAS messages to Discord, Slack and or Mattermost merged
|
A simple program to forward MIDAS messages to Discord, Slack and or Mattermost
(Python 3 required)
|
02 Jun 2021, Konstantin Olchanski, Info, MIDAS Messenger - A program to forward MIDAS messages to Discord, Slack and or Mattermost merged
|
> A simple program to forward MIDAS messages to Discord, Slack and or Mattermost
>
> (Python 3 required)
|
19 May 2021, Francesco Renga, Suggestion, MYSQL logger
|
Dear all,
I'm trying to use the logging on a mysql DB. Following the instructions on
the Wiki, I recompiled MIDAS after installing mysql, and cmake with NEED_MYSQL=1
|
21 May 2021, Francesco Renga, Suggestion, MYSQL logger
|
I solved this, it was a failed "make clean" before recompiling. Now it works.
Sorry for the noise.
|
19 May 2021, Konstantin Olchanski, Info, update of event buffer code
|
a big update to the event buffer code was merged today.
two important bug fixes:
|
07 May 2021, Zaher Salman, Bug Report, modbselect trigget hotlink
|
It seems that a modbselect triggers a "change" in an ODB which has a hot link. This happens onload (or whenever the custom page is reloaded) and otherwise
it behaves as expected, i.e. no change unless the modbselect is actually changed. Is this the intended behaviour? can this be modified? |
10 May 2021, Stefan Ritt, Bug Report, modbselect trigget hotlink
|
Thanks for reporting that bug, I fixed it in the last commit.
Stefan |
06 May 2021, Ben Smith, Info, New feature in odbxx that works like db_check_record()
|
For those unfamiliar, odbxx is the interface that looks like a C++ map, but automatically syncs with the ODB - https://midas.triumf.ca/MidasWiki/index.php/Odbxx.
I've added a new feature that is similar to the existing odb::connect() function, but works like the old db_check_record(). The new odb::connect_and_fix_structure() |
16 Feb 2021, Ruslan Podviianiuk, Forum, m is not defined error
|
Hello,
I see this mhttpd error starting MSL-script:
|
25 Feb 2021, Konstantin Olchanski, Forum, m is not defined error
|
> I see this mhttpd error starting MSL-script:
> Uncaught (in promise) ReferenceError: m is not defined
> at mhttpd_message (VM2848 mhttpd.js:2304)
|
05 May 2021, Zaher Salman, Forum, m is not defined error
|
We had the same issue here, which comes from mhttpd.js line 2395 on the current git version. This seems to happen mostly when there is an alarm triggered
or when there is an error message.
|
06 May 2021, Stefan Ritt, Forum, m is not defined error
|
Thanks for reporting and pointing to the right location.
I fixed and committed it.
|
09 Apr 2021, Lars Martin, Suggestion, Time zone selection for web page
|
The new history as well as the clock in the web page header show the local time
of the user's computer running the browser.
Would it be possible to make it either always use the time zone of the Midas
|
14 Apr 2021, Stefan Ritt, Suggestion, Time zone selection for web page
|
> The new history as well as the clock in the web page header show the local time
> of the user's computer running the browser.
> Would it be possible to make it either always use the time zone of the Midas
|
29 Apr 2021, Pierre-Andre Amaudruz, Suggestion, Time zone selection for web page
|
> > The new history as well as the clock in the web page header show the local time
> > of the user's computer running the browser.
> > Would it be possible to make it either always use the time zone of the Midas
|
10 Mar 2021, Zaher Salman, Suggestion, embed modbvalue in SVG
|
Is it possible to embed modbvalue in an SVG for use within a custom page?
thanks. |
10 Mar 2021, Stefan Ritt, Suggestion, embed modbvalue in SVG
|
You can't really embed it, but you can overlay it. You tag the SVG with a
"relative" position and then move the modbvalue with an "absolute" position over
it:
|
26 Apr 2021, Zaher Salman, Suggestion, embed modbvalue in SVG
|
I found a way to embed modbvalue into a SVG:
<text x="100" y="100" font-size="30rem">
|
25 Mar 2021, Lars Martin, Bug Report, Minor bug: Change all time axes together doesn't work with +- buttons
|
Version: release/midas-2020-12
In the new history display, the checkbox "Change all time axes together" works
|
14 Apr 2021, Stefan Ritt, Bug Report, Minor bug: Change all time axes together doesn't work with +- buttons
|
> Version: release/midas-2020-12
>
> In the new history display, the checkbox "Change all time axes together" works
|
23 Mar 2021, Lars Martin, Bug Report, Time shift in history CSV export
|
Version: release/midas-2020-12
I'm exporting the history data shown in elog:2132/1 to CSV, but when I look at the
|
23 Mar 2021, Lars Martin, Bug Report, Time shift in history CSV export
|
History is from two separate equipments/frontends, but both have "Log history" set to 1. |
23 Mar 2021, Lars Martin, Bug Report, Time shift in history CSV export
|
Tried with export of two different time ranges, and the shift appears to remain the same,
about 4040 rows. |
24 Mar 2021, Stefan Ritt, Bug Report, Time shift in history CSV export
|
I confirm there is a problem. If variables are from the same equipment, they have the same
time stamps, like
|
24 Mar 2021, Lars Martin, Bug Report, Time shift in history CSV export
|
I think from my perspective the separate files are fine. I personally don't really like the format
with the gaps, so don't see an advantage in putting in the extra work.
I'm surprised the shift is this big, though, it was more than a whole hour in my case, is it the
|
14 Apr 2021, Stefan Ritt, Bug Report, Time shift in history CSV export
|
I finally found some time to fix this issue in the latest commit. Please update and check if it's
working for you.
|
03 Apr 2020, Stefan Ritt, Info, Change of TID_xxx data types
|
We have to request of a 64-bit integer data type to be included in MIDAS banks.
Since 64-bit integers are on some systems "long" and on other systems "long long",
I decided to create the two new data types
|
30 Mar 2021, Konstantin Olchanski, Info, INT64/UINT64/QWORD not permitted in ODB and history... Change of TID_xxx data types
|
> We have to request of a 64-bit integer data type to be included in MIDAS banks.
> Since 64-bit integers are on some systems "long" and on other systems "long long",
> I decided to create the two new data types
|
14 Apr 2021, Stefan Ritt, Info, INT64/UINT64/QWORD not permitted in ODB and history... Change of TID_xxx data types
|
> These 64-bit data types do not work with ODB and they do not work with the MIDAS history.
They were never meant to work with the history. They were primarily implemented to put large 64-
|
04 Apr 2021, Konstantin Olchanski, Info, Change of TID_xxx data types
|
>
> To be consistent, I renamed the old types:
>
|
12 Apr 2021, Isaac Labrie Boulay, Forum, Client gets immediately removed when using a script button.
|
Hi all,
I'm running into a curious problem when I try to run a program using my custom
|
12 Apr 2021, Ben Smith, Forum, Client gets immediately removed when using a script button.
|
> if I use the script button, the logic_controller program is immediately deleted by MIDAS.
This is indeed very curious, and I can't reproduce it on my test experiment. Can you redirect stdout and stderr from the logic_controller program into |
12 Apr 2021, Isaac Labrie Boulay, Forum, Client gets immediately removed when using a script button.
|
> > if I use the script button, the logic_controller program is immediately deleted by MIDAS.
>
> This is indeed very curious, and I can't reproduce it on my test experiment. Can you redirect stdout and stderr from the logic_controller program into |
12 Apr 2021, Ben Smith, Forum, Client gets immediately removed when using a script button.
|
I think it would be useful to find the minimal example that exhibits this behaviour.
What happens if your logic controller code is simply the 17 lines below? What happens if you create another script button that only starts the logic controller, |
13 Apr 2021, Isaac Labrie Boulay, Forum, Client gets immediately removed when using a script button.
|
> I think it would be useful to find the minimal example that exhibits this behaviour.
>
> What happens if your logic controller code is simply the 17 lines below? What happens if you create another script button that only starts the logic |
13 Apr 2021, Stefan Ritt, Forum, Client gets immediately removed when using a script button.
|
> I have followed your suggestions and the program still stops immediately. My status as returned from "cm_yield(100)" is always 412 (SS_TIMEOUT) which
is fine.
> The issue is that, when run with the script button, the do-wile loop stops immediately because the !ss_kbhit() always evaluates to FALSE.
|
04 Apr 2021, Konstantin Olchanski, Info, bk_init32a data format
|
In April 4th 2020 Stefan added a new data format that fixes the well known problem with alternating banks being
misaligned against 64-bit addresses. (cannot find announcement on this forum. midas commit
https://bitbucket.org/tmidas/midas/commits/541732ea265edba63f18367c7c9b8c02abbfc96e)
|
13 Apr 2021, Konstantin Olchanski, Info, bk_init32a data format
|
Until commit a4043ceacdf241a2a98aeca5edf40613a6c0f575 today, mdump mostly did not work with bank32a data.
K.O.
|
22 Sep 2020, Frederik Wauters, Forum, INT INT32 in experim.h
|
For my analyzer I generate the experim.h file from the odb.
Before midas commit 13c3b2b this generates structs with INT data types. compiles fine with my analysis code (using the old mana.cpp)
|
22 Sep 2020, Konstantin Olchanski, Forum, INT INT32 in experim.h
|
> For my analyzer I generate the experim.h file from the odb.
>
> Before midas commit 13c3b2b this generates structs with INT data types. compiles fine with my analysis code (using the old mana.cpp)
|
09 Mar 2021, Andreas Suter, Forum, INT INT32 in experim.h
|
> > For my analyzer I generate the experim.h file from the odb.
This issue is still open. Shouldn't midas.h provide the 'new' data types as typedefs like
|
10 Mar 2021, Stefan Ritt, Forum, INT INT32 in experim.h
|
Ok, I added
/* define integer types with explicit widths */
|
15 Mar 2021, Frederik Wauters, Forum, INT INT32 in experim.h
|
works!
> Ok, I added
|
30 Mar 2021, Konstantin Olchanski, Forum, INT INT32 in experim.h
|
> >
> > /* define integer types with explicit widths */
> > #ifndef NO_INT_TYPES_DEFINE
|
05 Mar 2021, Svetlana Chesnevskaya, Bug Report, New MIDAS old frontend incompatibility
|
Hello!
Could you help me solve the problem of compatibility between our frontend (created in 2017) and the fresh MIDAS? The old MIDAS (2017) worked well, then |
01 Mar 2021, Marius Koeppel, Forum, Using JSROOT.openFile with Midas
|
Hi everyone,
I am currently trying to access a ROOT file produced by manalyzer. By calling JSROOT.openFile("MIDAS_DOMAIN/outputRUN.root"). I can download the rootfile |
03 Mar 2021, Konstantin Olchanski, Forum, Using JSROOT.openFile with Midas
|
>
> I am currently trying to access a ROOT file produced by manalyzer. By calling JSROOT.openFile("MIDAS_DOMAIN/outputRUN.root"). I can download the rootfile
via MIDAS_DOMAIN/outputRUN.root. Using JSROOT.openFile results in an 501 error,
|
04 Mar 2021, Marius Koeppel, Forum, Using JSROOT.openFile with Midas
|
Thank you for the answer :)
> At some point I would like to provide a function to "get" TAFlowEvent objects so you can do things
|
04 Mar 2021, Konstantin Olchanski, Forum, Using JSROOT.openFile with Midas
|
well, if this is something in ROOT, perhaps you can pursue it with the ROOT crowd,
they are quite friendly.
|
04 Mar 2021, Stefan Ritt, Forum, Using JSROOT.openFile with Midas
|
I also need midas events going back to the browser for single event display, so put +1 for me.
Please also consider to use JavaScript typed arrays instead of JSON. For large midas banks, type
|
04 Mar 2021, Marius Koeppel, Forum, Using JSROOT.openFile with Midas
|
> would this work for what you are doing?
Yes, having such a function would be perfect for the applications I have a the moment.
|
25 Feb 2021, Isaac Labrie Boulay, Bug Report, Undefined client causing issues in transition.
|
Hi all,
I'm currently experiencing an issue during run transitions. It comes in the form
|
25 Feb 2021, Konstantin Olchanski, Bug Report, Undefined client causing issues in transition.
|
Clearly something goes wrong with the STARTABORT transition. Actually from your
sceenshot, it is not clear why the STARTABORT transition was initiated.
|
26 Feb 2021, Isaac Labrie Boulay, Bug Report, Undefined client causing issues in transition.
|
> Clearly something goes wrong with the STARTABORT transition. Actually from your
> sceenshot, it is not clear why the STARTABORT transition was initiated.
>
|
26 Feb 2021, Konstantin Olchanski, Bug Report, Undefined client causing issues in transition.
|
So there is no error on run start anymore? To debug the stuck run stop, please use "stop -v"
to see where it got stuck. You can also play with the RPC timeouts (the connect timeout and
the response timeout), to make it get "unstuck" quicker. Definitely it should not be stuck
|
26 Feb 2021, Isaac Labrie Boulay, Bug Report, Undefined client causing issues in transition.
|
> So there is no error on run start anymore? To debug the stuck run stop, please use "stop -v"
> to see where it got stuck. You can also play with the RPC timeouts (the connect timeout and
> the response timeout), to make it get "unstuck" quicker. Definitely it should not be stuck
|
03 Mar 2021, Konstantin Olchanski, Bug Report, Undefined client causing issues in transition.
|
> It does not get stuck if I run my DAQ using the odbedit commands (start/stop).
Interesting. Run start/stop from odbedit works but from mhttpd gets stuck.
|
02 Mar 2021, Konstantin Olchanski, Info, shortest possible sleep
|
since I am implementing a polled equipment, I was curious what is the smallest possible sleep time on current computers.
in current UNIX, there are 2 system calls available for sleeping: select() (with microsecond granularity) and nanosleep() (with nanosecond granularity).
|
02 Mar 2021, Stefan Ritt, Info, shortest possible sleep
|
Why do you need that? Periodic equipment typically runs ever ten seconds or so, meaning one can do this easily in a scheduler.
For polled equipment, you don't want to sleep at all. Because if you sleep, you might miss an event. That's why I put my poll in mfe.c into a for() loop. |
03 Mar 2021, Konstantin Olchanski, Info, shortest possible sleep
|
> Why do you need that?
UNIX/POSIX advertises functions for sleeping in microseconds and nanoseconds,
|
25 Feb 2021, Lars Martin, Bug Report, tmfe_main.cxx missing include <signal.h>
|
The most recent commit (b43aef648c2f8a7e710a327d0b322751ae44afea) throws this
compiler error:
src/tmfe_main.cxx:39:11: error: 'SIGPIPE' was not declared in this scope
|
25 Feb 2021, Konstantin Olchanski, Bug Report, tmfe_main.cxx missing include <signal.h>
|
> The most recent commit (b43aef648c2f8a7e710a327d0b322751ae44afea) throws this
> compiler error:
> src/tmfe_main.cxx:39:11: error: 'SIGPIPE' was not declared in this scope
|
26 Feb 2021, Lars Martin, Bug Report, tmfe_main.cxx missing include <signal.h>
|
> BTW, for production use I recommend midas from the "release" branches, unless one
> needs a bug fix or new feature from the development branch.
|
10 Feb 2021, Isaac Labrie Boulay, Forum, Javascript error during run transitions.
|
Hi all,
I am encountering a Javascript error (TypeError: client.error is undefined) when
|
10 Feb 2021, Konstantin Olchanski, Forum, Javascript error during run transitions.
|
> I am encountering a Javascript error (TypeError: client.error is undefined) when
> I transition between run states. Does anybody have an idea of what my problem
> might be? I have pasted an example of what MIDAS logs during such sequences.
|
11 Feb 2021, Isaac Labrie Boulay, Forum, Javascript error during run transitions.
|
> > I am encountering a Javascript error (TypeError: client.error is undefined) when
> > I transition between run states. Does anybody have an idea of what my problem
|
25 Feb 2021, Konstantin Olchanski, Forum, Javascript error during run transitions.
|
>
> I have also attached a screen capture of the output.
>
|
18 Feb 2021, Pintaudi Giorgio, Bug Report, Unexpected end-of-file
|
Hello!
Sometimes when I mess around with the history plots I get the following error:
|
18 Feb 2021, Pintaudi Giorgio, Bug Report, Unexpected end-of-file
|
It appears that the issue is trigger by a nonexisting Event and Variable as shown
in the attached picture. This issue can arise when restoring the ODB from a
previous version or importing ODB values from other MIDAS instances.
|
25 Feb 2021, Konstantin Olchanski, Bug Report, Unexpected end-of-file
|
> > [mhttpd,ERROR] [history.cxx:97:xread,ERROR] Error: Unexpected end-of-file when
> > reading file "/home/wagasci-ana/Data/online/210219.hst"
|
25 Feb 2021, Lars Martin, Forum, TMFePollHandlerInterface timing
|
Am I right in thinking that the TMFE HandlePoll function is calle once per
PollMidas()? And what is the difference to HandleRead()? |
25 Feb 2021, Konstantin Olchanski, Forum, TMFePollHandlerInterface timing
|
> Am I right in thinking that the TMFE HandlePoll function is calle once per
> PollMidas()? And what is the difference to HandleRead()?
|
24 Feb 2021, Zaher Salman, Bug Report, history reload
|
I have a history that is embedded in a custom page using
<div class="mjshistory" data-group="SampleCryo" data-panel="SampleTemp" data-scale="30m" style="'+size+' position: relative;left: 640px;top: -205px;"></div>
|
25 Feb 2021, Stefan Ritt, Bug Report, history reload
|
I have to reproduce the problem. Can you please send me the full link by direct email. As you know, I'm also at PSI.
Stefan |
12 Feb 2021, Konstantin Olchanski, Bug Report, mlogger history snafu
|
there is a problem with mlogger between commits xxx (17 Nov 2020) and a762bb8 (12 feb 2021). because of
confusion between seconds and milliseconds, FILE (mhf*.dat files) and SQL history are recording with
incorrect timestamps.
|
10 Feb 2021, Konstantin Olchanski, Release, midas-2020-12-a
|
midas-2020-12-a is here, see https://midas.triumf.ca/MidasWiki/index.php/Changelog#2020-12
notable change from previous midas releases:
|
25 Jan 2021, Thomas Lindner, Suggestion, mhttpd browser caching
|
I have a more subtle point about the new ODB key for using an external elog I mentioned in [1]. I was very confused after changing the ODB "External Elog"
because mhttpd still wasn't using my external elog URL. I started trying to debug mhttpd.cxx, but found a lot of bits of mhttpd didn't seem to be getting
called. I eventually realized that my browser had been caching the responses for some (though not all) of the MIDAS navigation buttons. Clearing my browser |
25 Jan 2021, Stefan Ritt, Suggestion, mhttpd browser caching
|
Let me first explain a bit why caching is there. Once we had the case that someone from
TRIUMF opened a midas custom page at T2K. It took about one minute (!) to load the page.
|
25 Jan 2021, Thomas Lindner, Suggestion, mhttpd browser caching
|
I tried reloading the pages. If I reloaded the actual elog page
https://server.triumf.ca/?cmd=Elog
|
08 Feb 2021, Konstantin Olchanski, Suggestion, mhttpd browser caching
|
> r->rsprintf("Expires: %s\r\n", str);
The best I can tell, none of this works in current browsers. with google-chrome,
|
08 Feb 2021, Stefan Ritt, Suggestion, mhttpd browser caching
|
> It seems that the only reliable way to bypass the browser cache is to add
> a tag with a random number to the URL ("&ts=currenttime").
|
13 Jan 2021, Isaac Labrie Boulay, Forum, poll_event() is very slow.
|
Hi all,
I'm currently trying to see if I can speed up polling in a frontend I'm testing.
|
13 Jan 2021, Konstantin Olchanski, Forum, poll_event() is very slow.
|
>
> I'm currently trying to see if I can speed up polling in a frontend I'm testing.
> Currently it seems like I can't get 'lam's to happen faster than 120 times/second.
|
15 Jan 2021, Isaac Labrie Boulay, Forum, poll_event() is very slow.
|
> >
> > I'm currently trying to see if I can speed up polling in a frontend I'm testing.
> > Currently it seems like I can't get 'lam's to happen faster than 120 times/second.
|
13 Jan 2021, Stefan Ritt, Forum, poll_event() is very slow.
|
Something must be wrong on your side. If you take the example frontend under
midas/examples/experiment/frontend.cxx
|
14 Jan 2021, Pintaudi Giorgio, Forum, poll_event() is very slow.
|
> Something must be wrong on your side. If you take the example frontend under
>
> midas/examples/experiment/frontend.cxx
|
14 Jan 2021, Isaac Labrie Boulay, Forum, poll_event() is very slow.
|
> Something must be wrong on your side. If you take the example frontend under
>
> midas/examples/experiment/frontend.cxx
|
08 Feb 2021, Konstantin Olchanski, Forum, poll_event() is very slow.
|
> I should mention that I was using midas/examples/Triumf/c++/fevme.cxx
this is correct, the fevme frontend is written to do 100% CPU-busy polling.
|
21 Jan 2021, Thomas Lindner, Info, Using external ELOG with newer mhttpd
|
A warning, in case others have the same problem I had.
In the past you could configure mhttpd so that the 'Elog' button would redirect to an external ELOG server; to do this you only needed to create and set |
09 Dec 2020, Frederik Wauters, Forum, history and variables confusion
|
I have a fe, with 2 "equipments" (2 different types of LV supplies).
Equipment/../Setting has a "Names" key, with the actual channel names (ch1, ch2, ...) of the devices.
|
09 Dec 2020, Stefan Ritt, Forum, history and variables confusion
|
First, the writing of banks is completely independent of the history system. Banks go to the log file only,
while the history is only linked to the "Variables" section in the ODB.
|
10 Dec 2020, Frederik Wauters, Forum, history and variables confusion
|
I wanted to have a c++ style driver, e.g. a instance of a "PowerSupply" class. This was not compatible with the list of DEVICE_DRIVER structs, with needs
a C function entry point with variable arguments.
|
11 Dec 2020, Frederik Wauters, Forum, history and variables confusion
|
1. ok, so calling the same readout functions from different equipments is just a bad idea, my bad, no blame for Midas to write data from both bank to both
odb trees ...
|
15 Dec 2020, Konstantin Olchanski, Forum, history and variables confusion
|
I think you are facing several problems:
a) mlogger does not clearly explain what history names will be used for which entries
|
08 Jan 2021, Stefan Ritt, Forum, history and variables confusion
|
We kind of agreed to rewrite the slow control system in C++. Each device will have its own driver derived from a common base class implementing the general
communication. The reason we need a "system" and not only a "hand-written" driver is because we want:
|
06 Jan 2021, Isaac Labrie Boulay, Info, Recovering a corrupted ODB using odbinit.
|
Hi all,
I am currently trying to recover my corrupted ODB using odbinit and I am still
|
05 Jan 2021, Isaac Labrie Boulay, Bug Report, Logger: Disk nearly full.
|
Hi all,
I've ran into a problem where my experiment gets interrupted with a message from
|
06 Jan 2021, Stefan Ritt, Bug Report, Logger: Disk nearly full.
|
The logger simple requests the disk free space level from the operating system in the same
way as the "df" command does. Can you do a "df" on your system? I have seen that some file
systems free up space not immediately if you delete files, but some times later (like 24h).
|
06 Jan 2021, Isaac Labrie Boulay, Bug Report, Logger: Disk nearly full.
|
> The logger simple requests the disk free space level from the operating system in the same
> way as the "df" command does. Can you do a "df" on your system? I have seen that some file
> systems free up space not immediately if you delete files, but some times later (like 24h).
|
17 Dec 2020, Amy Roberts, Suggestion, Improving variable functionality in Sequencer?
|
We're using the sequencer to manage runs, and this typically looks something like:
1. save ODB keys to variables via ODBGET
|
05 Jan 2021, Amy Roberts, Suggestion, Improving variable functionality in Sequencer?
|
Hello, just wanted to re-ping on this question now that folks are starting to get back from
the holidays. |
06 Jan 2021, Stefan Ritt, Suggestion, Improving variable functionality in Sequencer?
|
I guess you use a wrong pattern here. There is no need to copy ODB values to local variables,
then change them, then write them back. You can rather directly write values to the ODB. We run
all our experiments in that way and we can do what we want. So most of our scripts have sections
|
18 Dec 2020, Stefan Ritt, Suggestion, Code formatting
|
May I ask for your quick opinion on code formatting. MIDAS had a coding style
which pretty much followed the ROOT coding style described at
|
04 Jan 2021, Stefan Ritt, Suggestion, Code formatting
|
After pondering over the holidays, I decided to use the widely used LLVM code formatting,
just adapted slightly for 3 spaces and "case" indentation in a "switch" statement. This
formatting is now very close to our original one. Nevertheless, I did not reformat all
|
16 Dec 2020, Isaac Labrie Boulay, Forum, Issues building banks.
|
Hi all,
I'm currently trying to build events through doing block transfers. The worry was
|
16 Dec 2020, Konstantin Olchanski, Forum, Issues building banks.
|
> I'm currently trying to build events through doing block transfers.
I am confused by your question. I assume you read a CAEN V792 ADC, but I do not know what VME master you
|
16 Dec 2020, Isaac Labrie Boulay, Forum, Issues building banks.
|
Thanks for the quick reply,
> > I'm currently trying to build events through doing block transfers.
|
16 Dec 2020, Konstantin Olchanski, Forum, Issues building banks.
|
> > > I'm currently trying to build events through doing block transfers.
> >
> > I am confused by your question. I assume you read a CAEN V792 ADC, but I do not know what VME master you
|
16 Dec 2020, Isaac Labrie Boulay, Forum, Issues building banks.
|
> > > > I'm currently trying to build events through doing block transfers.
> > >
> > > I am confused by your question. I assume you read a CAEN V792 ADC, but I do not know what VME master you
|
16 Dec 2020, Stefan Ritt, Forum, Issues building banks.
|
> This is very hard to do using the mfe.c frontend. (the main reason I wrote the TMFE C++ frontend class).
Actually that's not true. Just look at
|
16 Dec 2020, Isaac Labrie Boulay, Forum, Issues building banks.
|
> > This is very hard to do using the mfe.c frontend. (the main reason I wrote the TMFE C++ frontend class).
>
> Actually that's not true. Just look at
|
24 Nov 2020, Isaac Labrie Boulay, Forum, Invalid name "Analyzer/Tests"
|
Hi everyone,
I've recently took the analyzer template from $MIDASSYS/examples/experiment and
|
27 Nov 2020, Konstantin Olchanski, Forum, Invalid name "Analyzer/Tests"
|
> I've recently took the analyzer template from $MIDASSYS/examples/experiment and
> modified it to be able to use Roody on a very simple frontend setup.
|
27 Nov 2020, Konstantin Olchanski, Forum, Invalid name "Analyzer/Tests"
|
https://bitbucket.org/tmidas/midas/issues/298/invalid-odb-names-in-example-midas
K.O. |
07 Dec 2020, Isaac Labrie Boulay, Forum, Invalid name "Analyzer/Tests"
|
> https://bitbucket.org/tmidas/midas/issues/298/invalid-odb-names-in-example-midas
> K.O.
|
24 Sep 2020, Gennaro Tortone, Forum, subrun
|
Hi,
I was wondering if there is a "mechanism" to run an executable
|
01 Dec 2020, Stefan Ritt, Forum, subrun
|
There is no "mechanism" foreseen to be executed after each subrun. But you could
run a shell script after each run which loops over all subruns and converts them
one after the other.
|
01 Dec 2020, Ben Smith, Forum, subrun
|
We use the lazylogger for something similar to this. You can specify the path to a custom script, and it will be run for each midas file that gets written:
https://midas.triumf.ca/MidasWiki/index.php/Lazylogger#Using_a_script
This means that you don't have to wait until the end of the run to start processing.
|
30 Nov 2020, Konstantin Olchanski, Info, more wisdom from linux kernel people
|
As you may know, I am a big fan of two software projects - the linux kernel and ROOT. The linux kernel is one of
the few software projects "done right". ROOT is where normal people try to "get it right" with real-world level
of success. I use both softwares daily and I try to apply their ways and methods to MIDAS as much as I can.
|
24 Nov 2020, Amy Roberts, Suggestion, ODBSET wildcards with array keys in Sequencer files
|
I'm interested in using the matching feature for ODBSET explained on
https://midas.triumf.ca/MidasWiki/index.php/Sequencer for settings that are in an
array, like:
|
25 Nov 2020, Marco Francesconi, Suggestion, ODBSET wildcards with array keys in Sequencer files
|
Hi,
I guess the issue is in the "[?]" part of the command, the indexing is handled differently from the odb path and does not
support "?".
|
25 Nov 2020, Amy Roberts, Suggestion, ODBSET wildcards with array keys in Sequencer files
|
The following all fail with "Cannot find ODB key "<key>""
ODBSET "/Detectors/Det*/Settings/Charge/Bias (V)[*]" 0
|
25 Nov 2020, Marco Francesconi, Suggestion, ODBSET wildcards with array keys in Sequencer files
|
I created some keys in my ODB to try to match yours.
The ODBSET commands you wrote are all working fine (of course with different results), except only for the "/Detectors/Det*/Settings/Charge/Bias (V)*"
which I will have to
|
25 Nov 2020, Amy Roberts, Suggestion, ODBSET wildcards with array keys in Sequencer files
|
I think the issue may be the version of MIDAS I'm using. Mine is current as of February 4, 2020.
But since then there have been changes to the sequencer code, specifically parts that handle indexing.
|
27 Nov 2020, Konstantin Olchanski, Suggestion, ODBSET wildcards with array keys in Sequencer files
|
> The following all fail with "Cannot find ODB key "<key>""
>
> ODBSET "/Detectors/Det*/Settings/Charge/Bias (V)[*]" 0
|
30 Nov 2020, Marco Francesconi, Suggestion, ODBSET wildcards with array keys in Sequencer files
|
I totally agree that we should have a consistent formatting for array index expansion.
I had a look to the mjsonrpc code and I found the function parse_array_index_list(...) which does this job.
I have a similar function (adapted form previous code) in odb.cxx called strarrayindex(...) that is designed for the same "consistency" purposes between |
30 Nov 2020, Konstantin Olchanski, Suggestion, ODBSET wildcards with array keys in Sequencer files
|
> I totally agree that we should have a consistent formatting for array index expansion.
> I had a look to the mjsonrpc code and I found the function parse_array_index_list(...) which does this job.
|
30 Nov 2020, Stefan Ritt, Suggestion, ODBSET wildcards with array keys in Sequencer files
|
Hi Konstantin,
we are considering to make the range selection uniform among json, sequencer and
|
30 Nov 2020, Konstantin Olchanski, Suggestion, ODBSET wildcards with array keys in Sequencer files
|
>
> we are considering to make the range selection uniform among json, sequencer and
> odbedit "set" command. Having multiple ranges like [1,4-5] will be quite some work, so
|
17 Nov 2020, Stefan Ritt, Info, Equipment "common" settings in ODB
|
Today I addressed a topic which bugged me since long time. The ODB contains
settings under /Equipment/<name>/Common which are a "mirror" of the equipment[]
setting in a frontend (using the mfe.cxx framework). If the "Common" entry in
|
20 Nov 2020, Pierre-Andre Amaudruz, Info, Equipment "common" settings in ODB
|
Indeed this "mirror" of the ODB in settings option can cause frustration in
particular when we think the ODB is empty but is not.
In the other hand, over time the settings are adjusted to a particular
|
27 Nov 2020, Konstantin Olchanski, Info, Equipment "common" settings in ODB
|
> Today I addressed a topic which bugged me since long time.
Right. No easy subject. For me, too, this has been a problem in MIDAS for a long time.
|
27 Nov 2020, Stefan Ritt, Info, Equipment "common" settings in ODB
|
Ok, so what about the following proposal:
- I change back the mfe.cxx code to behave like before (ODB has precedence and does not get overwritten when the
|
27 Nov 2020, Konstantin Olchanski, Info, Equipment "common" settings in ODB
|
Yes, I think this will work.
For old mfe.c frontends, global variable set to "do it the new way" should be okey,
|
30 Nov 2020, Stefan Ritt, Info, Equipment "common" settings in ODB
|
Ok, I implemented it the following way:
- Added a boolean flag "equipment_common_overwrite", which must be contained in EACH frontend, preferably just
|
30 Nov 2020, Stefan Ritt, Info, Equipment "common" settings in ODB
|
One more change:
After using the new code for some hours, we realized that the "enabled" flag should not come from the frontend code,
|
30 Nov 2020, Konstantin Olchanski, Info, Equipment "common" settings in ODB
|
> One more change:
>
> After using the new code for some hours, we realized that the "enabled" flag should not come from the frontend code,
|
06 Nov 2020, Alexandr Kozlinskiy, Suggestion, cmake build fixes
|
hi,
there are several problems with current cmake build files in midas:
|
27 Nov 2020, Konstantin Olchanski, Suggestion, cmake build fixes
|
Hi, Alexandr, thank you for making improvements to MIDAS. I have some question
about your suggestions:
|
05 Nov 2020, Isaac Labrie Boulay, Forum, Building an experiment using CAEN VME interface - unknown type name 'VARIANT_BOOL'
|
Hi everyone,
I have been building an experiment using the v1718 CAEN interface to talk to my modules and I am using the CAENVMElib Linux Library (2.50). I've managed |
05 Nov 2020, Pierre-Andre Amaudruz, Forum, Building an experiment using CAEN VME interface - unknown type name 'VARIANT_BOOL'
|
Hi,
You're building under Linux like. You want to define the LINUX and skip the VARIANT_BOOL all together.
|
06 Nov 2020, Isaac Labrie Boulay, Forum, Building an experiment using CAEN VME interface - unknown type name 'VARIANT_BOOL'
|
Yes, you are right. That fixed it and my frontend is compiling.
Thanks Pierre-Andre.
|
27 Nov 2020, Konstantin Olchanski, Forum, Building an experiment using CAEN VME interface - unknown type name 'VARIANT_BOOL'
|
>
> The header file used to defined the CAEN types (CAENVMEtypes.h) defines 'CAEN_BOOL' like this:
>
|
19 Nov 2020, Joseph McKenna, Forum, History plot consuming too much memory
|
A user reported an issue that if they were to plot some history data from
|
19 Nov 2020, Stefan Ritt, Forum, History plot consuming too much memory
|
The history code is right now programmes in such a way that when you request
an old time window, then all data from that window until the present date
gets loaded. When we implemented that, this worked fine for data ranges of
|
20 Nov 2020, Joseph McKenna, Forum, History plot consuming too much memory
|
Poking at the behavior of this, its fairly clear the slow response is from the data
being loaded off an HDD, when we upgrade this system we will allocate enough SSD
storage for the histories.
|
20 Nov 2020, Stefan Ritt, Forum, History plot consuming too much memory
|
> Taking this down a tangent, I have a mild concern that a user could temporarily
> flood our gigabit network if we do have faster disks to read the history data. Have
> there been any plans or thoughts on limiting the bandwidth users can pull from
|
27 Nov 2020, Konstantin Olchanski, Forum, History plot consuming too much memory
|
>
> Taking this down a tangent, I have a mild concern that a user could temporarily
> flood our gigabit network if we do have faster disks to read the history data.
|
27 Nov 2020, Konstantin Olchanski, Forum, History plot consuming too much memory
|
>
> Are you sure that the delay comes from the browser or actually from mhttpd
> digging through GBytes of history data?
|
27 Nov 2020, Konstantin Olchanski, Forum, History plot consuming too much memory
|
>
> Tested with midas-2020-08-a up until the HEAD of develop
>
|
27 Nov 2020, Konstantin Olchanski, Forum, History plot consuming too much memory
|
>
> With the current code, we are limited to loading history data up to 50% of
> the javascript memory limit.
|
13 Oct 2020, Soichiro Kuribayashi, Info, About remote control of front end part of MIDAS on chip
|
Hello!
My name is Soichiro Kuribayashi and I am a Ph.D. student at Kyoto University.
|
13 Oct 2020, Konstantin Olchanski, Info, About remote control of front end part of MIDAS on chip
|
> My name is Soichiro Kuribayashi and I am a Ph.D. student at Kyoto University.
> I'm a T2K collaborator and working for Super FGD which is new detector in ND280.
|
13 Oct 2020, Soichiro Kuribayashi, Info, About remote control of front end part of MIDAS on chip
|
Dear Konstantin,
Thank you very much for your reply and detailed information.
|
20 Oct 2020, Stefan Ritt, Info, About remote control of front end part of MIDAS on chip
|
We also use a Zynq chip and boot in the following order:
1. SD Card
|
21 Oct 2020, Soichiro Kuribayashi, Info, About remote control of front end part of MIDAS on chip
|
Dear Stefan,
Thank you very much for your help.
|
29 Sep 2020, Amy Roberts, Forum, using python client to start and stop run
|
I'm using a python client to start and stop runs, and the following code *appears*
to set the MIDAS state to "Run"
|
29 Sep 2020, Ben Smith, Forum, using python client to start and stop run
|
The ODB variable "/Runinfo/State" is a symptom of starting/stopping a run, rather than the cause.
In C++, one uses `cm_transition()` to start/stop runs.
|
06 Oct 2020, Konstantin Olchanski, Forum, using python client to start and stop run
|
> The ODB variable "/Runinfo/State" is a symptom of starting/stopping a run, rather than the cause.
>
> In C++, one uses `cm_transition()` to start/stop runs.
|
02 Sep 2020, Ruslan Podviianiuk, Forum, Transition status message
|
Hello,
I got an error after start of run and it would be good to show this error (or
|
02 Sep 2020, Ben Smith, Forum, Transition status message
|
The information you want is in the ODB:
* "/System/Transition/status" is the overall integer status code.
* "/System/Transition/error" is the overall error message string.
|
02 Sep 2020, Ruslan Podviianiuk, Forum, Transition status message
|
> The information you want is in the ODB:
> * "/System/Transition/status" is the overall integer status code.
> * "/System/Transition/error" is the overall error message string.
|
08 Sep 2020, Konstantin Olchanski, Forum, Transition status message
|
> > The information you want is in the ODB:
> > * "/System/Transition/status" is the overall integer status code.
> > * "/System/Transition/error" is the overall error message string.
|
08 Sep 2020, Ruslan Podviianiuk, Forum, Transition status message
|
> > > The information you want is in the ODB:
> > > * "/System/Transition/status" is the overall integer status code.
> > > * "/System/Transition/error" is the overall error message string.
|
08 Sep 2020, Zaher Salman, Forum, json parser error
|
I am getting the following error alert in a custom page whenever a run starts
json parser exception: SyntaxError: Unexpected token < in JSON at position 985, batch request: method: "db_get_values", params: [object Object], id: 1598691925697 |
08 Sep 2020, Konstantin Olchanski, Forum, json parser error
|
> I am getting the following error alert in a custom page whenever a run starts
> json parser exception: SyntaxError: Unexpected token < in JSON at position 985, batch request: method: "db_get_values", params: [object Object], id:
1598691925697 method: "get_alarms", params: null, id: 1598691925697 method: "cm_msg_retrieve", params: [object Object], id: 1598691925697 method: "cm_msg_retrieve", |
21 Aug 2020, Ruslan Podviianiuk, Forum, time information
|
Hello,
I have a few questions about time information:
|
24 Aug 2020, Stefan Ritt, Forum, time information
|
> 1. Is it possible to get "Running time" using, for example, jsonrpc? (please see
> the attached file)
|
25 Aug 2020, Ruslan Podviianiuk, Forum, time information
|
Thank you, Stefan
Ruslan
|
24 Aug 2020, Konstantin Olchanski, Release, midas-2020-12
|
midas-2020-12-a is here.
new features and notable updates since midas-2020-03: |
28 Aug 2019, Nick Hastings, Forum, History plot problems for frontend with multiple indicies
|
Hello experts,
I have been writing a SC frontend for a powersupply. I have used the model
|
28 Aug 2019, Stefan Ritt, Forum, History plot problems for frontend with multiple indicies
|
My first question would be why are you using several font-ends at all? That makes things more
complicated than needed. In the normal FE framework, you can define either several equipment
served by one frontend, or even one equipment linked to several devices. In the MEG experiment
|
28 Aug 2019, Nick Hastings, Forum, History plot problems for frontend with multiple indicies
|
Hi Stefan,
thanks for you quick reply.
|
28 Aug 2019, lcp, Forum, History plot problems for frontend with multiple indicies
|
hi,
> > That makes things more
|
16 Sep 2019, Konstantin Olchanski, Forum, History plot problems for frontend with multiple indicies
|
> it's probably better to run a multi-threaded setup, than individual frontends.
I recommend against using multiple threads if at all possible and unless absolutely required.
|
16 Sep 2019, Konstantin Olchanski, Forum, History plot problems for frontend with multiple indicies
|
> My first question would be why are you using several font-ends at all? That makes things more
> complicated than needed. In the normal FE framework, you can define either several equipment
> served by one frontend, or even one equipment linked to several devices.
|
29 Aug 2019, Ben Smith, Forum, History plot problems for frontend with multiple indicies
|
Hi Nick,
I confirm that this issue appears when using the MIDAS history driver. The issue does not appear when using the MYSQL history driver.
|
01 Sep 2019, Nick Hastings, Forum, History plot problems for frontend with multiple indicies
|
Hi Ben,
thanks for your reply. I can confirm that your suggested workaround does indeed
|
16 Sep 2019, Konstantin Olchanski, Forum, History plot problems for frontend with multiple indicies
|
> thanks for your reply. I can confirm that your suggested workaround does indeed
> make the problem dissapear.
> I guess this issue hasn't been seen at T2K since we use MYSQL for the history.
|
16 Sep 2019, Nick Hastings, Forum, History plot problems for frontend with multiple indicies
|
Hi Konstantin,
thanks for your reply.
|
17 Sep 2019, Konstantin Olchanski, Forum, History plot problems for frontend with multiple indicies
|
> [local:e666:S]History>ls -l /History/Events
> Key name Type #Val Size Last Opn Mode Value
> ---------------------------------------------------------------------------
|
18 Sep 2019, Nick Hastings, Forum, History plot problems for frontend with multiple indicies
|
Hi Konstantin,
> > [local:e666:S]History>ls -l /History/Events
|
27 Sep 2019, Konstantin Olchanski, Forum, History plot problems for frontend with multiple indicies
|
We should fix this for midas-2019-10.
https://bitbucket.org/tmidas/midas/issues/193/confusion-in-history-event-ids
|
24 Aug 2020, Konstantin Olchanski, Forum, History plot problems for frontend with multiple indicies
|
This turned out to be a tricky problem. I am adding a warning about it in mlogger. This should go into midas-
2020-07. Closing bug #193. K.O.
|
12 Aug 2020, Yan Liu, Suggestion, adding db_get_mode ti check access mode for keys
|
Hello,
I am wondering if there is a function that checks the access mode for a key? I
|
13 Aug 2020, Stefan Ritt, Suggestion, adding db_get_mode ti check access mode for keys
|
> Hello,
>
> I am wondering if there is a function that checks the access mode for a key? I
|
13 Aug 2020, Yan Liu, Suggestion, adding db_get_mode ti check access mode for keys
|
Thank you!
Yan
|
07 Aug 2020, Konstantin Olchanski, Info, update of MYSQL history documentation
|
I updated the documentation for setting up a MYSQL (MariaDB) database for
recording MIDAS history: https://midas.triumf.ca/MidasWiki/index.php/History_System#Write_MYSQL-history_events
|
15 Jul 2020, Stefan Ritt, Info, Minimal CMakeLists.txt for your midas front-end
|
Since a few people asked me, here is a "minimal" CMakeLists.txt file for a user-written front-end
program "myfe":
|
28 Jun 2020, Konstantin Olchanski, Info, Makefile update
|
I reworked the MIDAS Makefile to simplify things and to remove redundancy with functions
provided by cmake.
|
15 Jul 2020, Stefan Ritt, Info, Makefile update
|
Please note that you can also compile midas in the standard cmake way with
$ mkdir build
|
28 Jun 2020, Konstantin Olchanski, Info, mhttpd https support openssl -> mbedtls
|
For password protection of midas web pages, https is required, good old http
with passwords transmitted in-the-clear is no longer considered secure. Latest
recommendation is to run mhttpd behind an industry-standard https proxy, for
|
28 Jun 2020, Konstantin Olchanski, Info, mhttpd https support openssl -> mbedtls
|
To add. Using https with either openssl or mbedtls requires obtaining an https certificate. This can be self-
signed, or signed by a higher authority, or issued by the "let's encrypt" project.
|
24 Jun 2020, Stefan Ritt, Info, New image history system available
|
I'm happy to report that the Corona Lockdown in Europe also had some positive side
effects: Finally I found time to implement an image history system in midas,
something I wanted to do since many years, but never found time for that.
|
28 May 2020, Marius Koeppel, Suggestion, ODB++ API - documantion updates and odb view after key creation
|
Hello everybody,
I am really appreciate the development of the new odb++ API. So I directly started to rewrite the code for the Mu3e DAQ system.
|
28 May 2020, Stefan Ritt, Suggestion, ODB++ API - documantion updates and odb view after key creation
|
> 2. When I create an ODB structure with the new API I do for example:
>
> midas::odb stream_settings = {
|
30 May 2020, Stefan Ritt, Suggestion, ODB++ API - documantion updates and odb view after key creation
|
Marius, has the problem been fixed in meantime?
Stefan
|
04 Jun 2020, Marius Koeppel, Suggestion, ODB++ API - documantion updates and odb view after key creation
|
Hi Stefan,
your test program was only working for me after I changed the following lines inside the odbxx.cpp
|
05 Jun 2020, Stefan Ritt, Suggestion, ODB++ API - documantion updates and odb view after key creation
|
Hi Marius,
your fix is good. Thanks for digging out this deep-lying issue, which would have haunted us if we would not fix it.
|
08 Jun 2020, Marius Koeppel, Suggestion, ODB++ API - documantion updates and odb view after key creation
|
Hi Stefan,
I agree with your explanation about the size of BOOL and bool.
|
16 Jun 2020, Marius Koeppel, Suggestion, ODB++ API - documantion updates and odb view after key creation
|
Hi Stefan,
I played around with the code a bit more and I found out that if I do:
|
23 Jun 2020, Stefan Ritt, Suggestion, ODB++ API - documantion updates and odb view after key creation
|
Hi Marius,
thanks for your help, you identified the problematic location. I changed that to
|
24 Jun 2020, Marius Koeppel, Suggestion, ODB++ API - documantion updates and odb view after key creation
|
Hi Stefan,
now everything works well (Tested on: OpenSuse and Arch Linux) :)
|
19 Jun 2020, Isaac Labrie-Boulay, Info, Building/running a Frontend Task
|
To build a frontend task, the user code and system code are compiled and linked
together with the required libraries, by running a Makefile (e.g.
../midas/examples/experiment/Makefile in the MIDAS package).
|
18 Jun 2020, Ruslan Podviianiuk, Forum, ODB key length
|
Hello,
I have a question about length of the name of ODB key.
|
18 Jun 2020, Stefan Ritt, Forum, ODB key length
|
No. But if you need more than 32 characters, you do something wrong. The
information you want to put into the ODB key name should probably be stored in
another string key or so.
|
15 Jun 2020, Isaac Labrie Boulay, Bug Report, Killing and ODB - Removed ODB client because process pid does not exists
|
Hey everyone,
When I run mhttpd I get the following error message:
|
15 Jun 2020, Martin Mueller, Bug Report, deprecated function stime()
|
Hi
I had a problem with the compilation of midas after an OS update to the recent version of OpenSuse tumbleweed. The function stime() in system.cxx:3196 |
15 Jun 2020, Stefan Ritt, Bug Report, deprecated function stime()
|
The function stime() has been replaced by clock_settime() on Feb. 2020:
https://bitbucket.org/tmidas/midas/commits/c732120e7c68bbcdbbc6236c1fe894c401d9bbbd
|
09 Jun 2020, Isaac Labrie Boulay, Info, Preparing the VME hardware - VME address jumpers.
|
Hey folks,
I'm currently working on setting up a MIDAS experiment and I am following the
|
10 Jun 2020, Konstantin Olchanski, Info, Preparing the VME hardware - VME address jumpers.
|
Hi, if you are not using any VME hardware, then you have no VME address jumpers to
set. https://en.wikipedia.org/wiki/VMEbus
|
12 Jun 2020, Isaac Labrie Boulay, Info, Preparing the VME hardware - VME address jumpers.
|
> Hi, if you are not using any VME hardware, then you have no VME address jumpers to
> set. https://en.wikipedia.org/wiki/VMEbus
>
|
10 Jun 2020, Ivo Schulthess, Forum, slow-control equipment crashes when running multi-threaded on a remote machine
|
Dear all
To reduce the time needed by Midas between runs, we want to change some of our periodic equipment to multi-threaded slow-control equipment. To do that |
10 Jun 2020, Konstantin Olchanski, Forum, slow-control equipment crashes when running multi-threaded on a remote machine
|
Yes, it is supposed to crash. On a remote frontend, cm_get_path() cannot be used
(we are on a different computer, all filesystems maybe no the same!) and is actually not set and
triggers a trap if something tries to use it. (this is the crash you see).
|
10 Jun 2020, Stefan Ritt, Forum, slow-control equipment crashes when running multi-threaded on a remote machine
|
Few comments:
- As KO write, we might need semaphores also on a remote front-end, in case several programs share the same hardware. So it should work and cm_get_path() |
12 Jun 2020, Ivo Schulthess, Forum, slow-control equipment crashes when running multi-threaded on a remote machine
|
Thanks you two once again for the very fast answers. I tested the example on the local machine and it works perfectly fine. In the meantime I also created
two new drivers for our devices
and everything works with them, the improvement in time is significant and I will create drivers for all our devices where possible. If they are in a working |
04 Jun 2020, Lars Martin, Bug Report, midasodb.cxx RBA appends instead of replacing
|
I am on branch develop and use the tmfe frontends. I found that a bool vector
gets bigger every time I read it from the ODB.
|
30 May 2020, Gennaro Tortone, Bug Report, wrong run number
|
Hi,
I build MIDAS and ROOTANA using same tag (midas-2020-03-a, rootana-2020-03-a):
|
30 May 2020, Thomas Lindner, Bug Report, wrong run number
|
Hi,
I fixed this particular case, so that I now I get the run number correctly.
|
30 May 2020, Gennaro Tortone, Bug Report, wrong run number
|
Hi,
|
03 Jun 2020, Konstantin Olchanski, Bug Report, wrong run number
|
>
> But Konstantin will need to explain how this class is supposed to be used more generally.
>
|
03 Jun 2020, Konstantin Olchanski, Bug Report, wrong run number
|
> I build MIDAS and ROOTANA using same tag (midas-2020-03-a, rootana-2020-03-a):
>
> MVOdb::SetMidasStatus: Error: MIDAS db_get_value() at ODB path "//runinfo/Run
|
03 Jun 2020, Gennaro Tortone, Bug Report, wrong run number
|
> > I build MIDAS and ROOTANA using same tag (midas-2020-03-a, rootana-2020-03-a):
> >
> > MVOdb::SetMidasStatus: Error: MIDAS db_get_value() at ODB path "//runinfo/Run
|
04 Jun 2020, Konstantin Olchanski, Bug Report, wrong run number
|
> > You made a mistake somewhere.
>
> you are right !
|
04 Jun 2020, Lukas Gerritzen, , stime() deprecated in glibc 2.31
|
In glibc 2.31, the stime function was deprecated:
* The obsolete function stime is no longer available to newly linked
|
04 Jun 2020, Hisataka YOSHIDA, Forum, Template of slow control frontend
|
I’m beginner of Midas, and trying to develop the slow control front-end with the latest Midas.
I found the scfe.cxx in the “example”, but not enough to refer to write the front-end for my own devices
because it contains only nulldevice and null bus driver case...
|
04 Jun 2020, Pintaudi Giorgio, Forum, Template of slow control frontend
|
> I’m beginner of Midas, and trying to develop the slow control front-end with the latest Midas.
> I found the scfe.cxx in the “example”, but not enough to refer to write the front-end for my own devices
> because it contains only nulldevice and null bus driver case...
|
04 Jun 2020, Hisataka YOSHIDA, Forum, Template of slow control frontend
|
Dear Giorgio,
Thank you very much for your kind and quick reply!
|
04 Jun 2020, Stefan Ritt, Forum, Template of slow control frontend
|
> I’m beginner of Midas, and trying to develop the slow control front-end with the latest Midas.
> I found the scfe.cxx in the “example”, but not enough to refer to write the front-end for my own devices
> because it contains only nulldevice and null bus driver case...
|
04 Jun 2020, Hisataka YOSHIDA, Forum, Template of slow control frontend
|
Dear Stefan,
Thank you for you quick reply.
|
24 Apr 2020, Pintaudi Giorgio, Forum, API to read MIDAS format file
|
Dear MIDAS people,
I need to borrow your wisdom for a bit.
I am developing a piece of software that should read the history data stored in a
|
24 Apr 2020, Stefan Ritt, Forum, API to read MIDAS format file
|
I guess all three options would work. I just tried mhist and it still works with the "FILE" history
mhist -e <equipment name> -v <variable name> -h 10
|
24 Apr 2020, Pintaudi Giorgio, Forum, API to read MIDAS format file
|
[quote="Stefan Ritt"]I guess all three options would work. I just tried mhist and it still works with the "FILE" history
mhist -e <equipment name> -v <variable name> -h 10
|
24 Apr 2020, Stefan Ritt, Forum, API to read MIDAS format file
|
[quote="Pintaudi Giorgio"]
Hypothetically which one between the two lends itself the better to being "batched"? I mean to be read and controlled by a program/routine. For example,
some programs give the option to have the output formatted in json, etc...[/quote]
|
25 Apr 2020, Konstantin Olchanski, Forum, API to read MIDAS format file
|
<p>[quote="Pintaudi Giorgio"]Dear MIDAS people, I need to borrow your
wisdom for a bit. I am developing a piece of software that should read the history data
stored in a [FONT=Times New Roman].midas[/FONT] file (MIDAS format) and integrate it
|
03 May 2020, Pintaudi Giorgio, Forum, API to read MIDAS format file
|
> The format of .hst midas history files is pretty simple and mhdump.cxx is an easy to read
> illustration on how to read it from basic principles (without going through the midas library,
> which can be somewhat complicated). The newer "FILE" format for history is even simpler
|
03 May 2020, Konstantin Olchanski, Forum, API to read MIDAS format file
|
>
> - One is to convert to SQL format and then use a SQLite library to import the data in my
> application.
|
04 May 2020, Pintaudi Giorgio, Forum, API to read MIDAS format file
|
> (But note that back when I implemented the SQLITE history writer, sqlite database corruption
> recovery instructions were "delete the file, restore from backup". And indeed in every test
> experiment I tried, the sqlite history databases eventually corrupted themselves. You see
|
03 May 2020, Stefan Ritt, Forum, API to read MIDAS format file
|
> PS some time ago, I don't remember if you or Stefan, recommended CLion as C++ IDE. I have tried it
> (together with PyCharm) and I must admit that it is really good. It took me years to configure Emacs
|
26 May 2020, Pintaudi Giorgio, Forum, API to read MIDAS format file
|
Eventually, I have settled for the SQLite format.
I could convert the MIDAS history files .hst to SQLite
database .sqlite3 using the utility mh2sql.
|
22 May 2020, Thomas Lindner, Bug Report, More trouble with openssl on macos
|
For the record, here's my report of difficulties getting mongoose to compile with macos. This is a similar
problem reported before, but with slightly different error messages. So I put them here for posterity.
|
22 May 2020, Konstantin Olchanski, Bug Report, More trouble with openssl on macos
|
> For the record, here's my report of difficulties getting mongoose to compile with macos.
> -- MIDAS: Found OpenSSL version 1.0.2s
> -- MIDAS: Found OpenSSL version 1.1.1g
|
16 Mar 2020, Konstantin Olchanski, Release, midas-2020-03-a
|
midas-2020-03-a is here.
Accumulated changes and bug fixes since last tag midas-2019-09-i.
|
22 May 2020, Konstantin Olchanski, Release, midas-2020-03-a
|
> midas-2020-03-a is here.
> checkout the top of branch release/midas-2020-03 (recommended) or
> checkout the tag midas-2020-03-a.
|
12 May 2020, Stefan Ritt, Info, New ODB++ API
|
Since the beginning of the lockdown I have been working hard on a new object-oriented interface to the online database ODB. I have the code now in an initial
state where it is ready for
testing and commenting. The basic idea is that there is an object midas::odb, which represents a value or a sub-tree in the ODB. Reading, writing and watching |
20 May 2020, Konstantin Olchanski, Info, New ODB++ API
|
> midas::odb o;
> o["foo"] = 1;
|
20 May 2020, Stefan Ritt, Info, New ODB++ API
|
In meanwhile, there have been minor changes and improvements to the API:
Previously, we had:
|
20 May 2020, Pintaudi Giorgio, Info, New ODB++ API
|
All this is very good news. I really wish this were available some months ago: it would have helped me immensely. The old C API was clunky at best.
I really like the idea and looking forward to using it (even if at the moment I do not have the need to) ... |
20 May 2020, Konstantin Olchanski, Info, New ODB++ API
|
> All this is very good news. I really wish this were available some months ago: it would have helped me immensely. The old C API was clunky at best.
> I really like the idea and looking forward to using it (even if at the moment I do not have the need to) ...
|
12 May 2020, Ruslan Podviianiuk, Forum, List of sequencer files
|
Hello,
We are going to implement a list of sequencer files to allow users to select one
|
13 May 2020, Stefan Ritt, Forum, List of sequencer files
|
If you load a file into the sequencer from the web interface, you get a list of all files in that directory.
This basically gives you a list of possible sequencer files. It's even more powerful, since you can
create subdirectories and thus group the sequencer files. Attached an example from our
|
18 May 2020, Ruslan Podviianiuk, Forum, List of sequencer files
|
> If you load a file into the sequencer from the web interface, you get a list of all files in that directory.
> This basically gives you a list of possible sequencer files. It's even more powerful, since you can
> create subdirectories and thus group the sequencer files. Attached an example from our
|
19 May 2020, Ruslan Podviianiuk, Forum, List of sequencer files
|
> If you load a file into the sequencer from the web interface, you get a list of all files in that directory.
> This basically gives you a list of possible sequencer files. It's even more powerful, since you can
> create subdirectories and thus group the sequencer files. Attached an example from our
|
20 May 2020, Konstantin Olchanski, Forum, List of sequencer files
|
>
> We have a custom webpage and trying to get list of files from the custom webpage and need jrpc command to show it
> in custom page. Is there a jrpc command to get this file list?
|
07 May 2020, Estelle, Bug Report, Conflic between Rootana and midas about the redefinition of TID_xxx data types
|
Dear Midas and Rootana people,
We have tried to update our midas DAQ with the new TID definitions describe in https://midas.triumf.ca/elog/Midas/1871
|
20 May 2020, Konstantin Olchanski, Bug Report, Conflic between Rootana and midas about the redefinition of TID_xxx data types
|
> Dear Midas and Rootana people,
>
> We have tried to update our midas DAQ with the new TID definitions describe in https://midas.triumf.ca/elog/Midas/1871
|
01 May 2020, Joseph McKenna, Forum, Taking MIDAS beyond 64 clients
|
Hi all,
|
01 May 2020, Stefan Ritt, Forum, Taking MIDAS beyond 64 clients
|
Hi Joseph,
here some thoughts from my side:
|
01 May 2020, Pierre Gorel, Forum, Taking MIDAS beyond 64 clients
|
> - On the other hand, if we have to break compatibility, now is maybe a good time since most accelerators worldwide are off. But before doing so, I would
like to get feedback from the main experiments
> around the world (MEG, T2K, g-2, DEAP besides ALPHA).
|
02 May 2020, Stefan Ritt, Forum, Taking MIDAS beyond 64 clients
|
TRIUMF stayed quiet, probably they have other things to do.
I allowed myself to move the maximum number of clients back to its original value, in order not to break running experiments.
|
02 May 2020, Joseph McKenna, Forum, Taking MIDAS beyond 64 clients
|
Thank you very much for feedback.
|
02 May 2020, Stefan Ritt, Forum, Taking MIDAS beyond 64 clients
|
> Perhaps a item for future discussion would be for the odbinit program to be able to 'upgrade' the ODB and enable some backwards
> compatibility.
|
02 May 2020, Konstantin Olchanski, Forum, Taking MIDAS beyond 64 clients
|
>
> Does the community here have strong opinions about increasing the
> MAX_CLIENTS and MAX_RPC_CONNECTION limits?
|
02 May 2020, Konstantin Olchanski, Forum, Taking MIDAS beyond 64 clients
|
> >
> > Does the community here have strong opinions about increasing the
> > MAX_CLIENTS and MAX_RPC_CONNECTION limits?
|
02 May 2020, Konstantin Olchanski, Forum, Taking MIDAS beyond 64 clients
|
> > >
> > > Does the community here have strong opinions about increasing the
> > > MAX_CLIENTS and MAX_RPC_CONNECTION limits?
|
03 Apr 2020, Francesco Renga, Info, CLOCK_REALTIME on MacOS
|
Dear all,
I'm trying to compile MIDAS on MacOS 10.10 and I get this error:
|
03 Apr 2020, Stefan Ritt, Info, CLOCK_REALTIME on MacOS
|
> Dear all,
> I'm trying to compile MIDAS on MacOS 10.10 and I get this error:
>
|
25 Apr 2020, Konstantin Olchanski, Info, CLOCK_REALTIME on MacOS
|
> > /Users/francesco/MIDAS/midas/src/system.cxx:3187:18: error: use of undeclared identifier
> > 'CLOCK_REALTIME'
> > clock_settime(CLOCK_REALTIME, <m);
|
26 Apr 2020, Stefan Ritt, Info, CLOCK_REALTIME on MacOS
|
> > > /Users/francesco/MIDAS/midas/src/system.cxx:3187:18: error: use of undeclared identifier
> > > 'CLOCK_REALTIME'
> > > clock_settime(CLOCK_REALTIME, <m);
|
26 Apr 2020, Yu Chen (SYSU), Forum, Questions and discussions on the Frontend ODB tree structure.
|
Dear MIDAS developers and colleagues,
This is Yu CHEN of School of Physics, Sun Yat-sen University, China, working in the PandaX-III collaboration, an experiment under development to search |
26 Apr 2020, Stefan Ritt, Forum, Questions and discussions on the Frontend ODB tree structure.
|
Dear Yu Chen,
in my opinion, you can follow two strategies:
|
25 Apr 2020, Konstantin Olchanski, Info, new mac!
|
I received my new 2020 mac book air, so between Stefan and myself, MacOS support for
MIDAS is assured for 5 more years at the least. K.O. |
07 Apr 2020, Ivo Schulthess, Suggestion, Sequencer loop break
|
I am using the Midas sequencer to run subsequent measurements in a loop, without
knowing how many iterations in advance. Therefore, I am using the "infinity"
option. Since I have other commands after the loop, it would be nice to have the
|
21 Apr 2020, Stefan Ritt, Suggestion, Sequencer loop break
|
> I am using the Midas sequencer to run subsequent measurements in a loop, without
> knowing how many iterations in advance. Therefore, I am using the "infinity"
> option. Since I have other commands after the loop, it would be nice to have the
|
23 Apr 2020, Ivo Schulthess, Suggestion, Sequencer loop break
|
> You can do that with the "GOTO" statement, jumping to the first line after the loop.
>
> Here is a working example:
|
23 Apr 2020, Stefan Ritt, Suggestion, Sequencer loop break
|
> > You can do that with the "GOTO" statement, jumping to the first line after the loop.
> >
> > Here is a working example:
|
25 Apr 2020, Konstantin Olchanski, Suggestion, Sequencer loop break
|
> LOOP runs, 5
> ...
> ENDLOOP
|
16 Mar 2020, Konstantin Olchanski, Info, mhttpd mongoose 6.16 update
|
the update of mhttpd to mongoose version 6.16 was committed to the develop branch of midas. If you do not want to use this
updated code or if it causes problems, please use the mhttpd6 executable or midas from the midas-2020-03 release branch.
|
16 Mar 2020, Konstantin Olchanski, Info, mhttpd mongoose 6.16 update
|
> the update of mhttpd to mongoose version 6.16 was committed to the develop branch of midas.
The new code implements 3 http ports:
|
16 Mar 2020, Konstantin Olchanski, Info, mhttpd mongoose 6.16 update
|
> > the update of mhttpd to mongoose version 6.16 was committed to the develop branch of midas.
Configuration is done by ODB /WebServer:
|
17 Mar 2020, Konstantin Olchanski, Info, mbedtls, mhttpd mongoose 6.16 update
|
> > > the update of mhttpd to mongoose version 6.16 was committed to the develop branch of midas.
current code looks for the mbedtls library in ../mbedtls (next to midas)
|
30 Mar 2020, Stefan Ritt, Info, mbedtls, mhttpd mongoose 6.16 update
|
I had some quick look at the new mongoose code and didn't find anything I dislike. Did a quick test of the proxy which worked and is nice to have.
Agree with all KO said about authentication.
|
25 Mar 2020, Andreas Suter, Forum, mlogger: misleading error messages for ROOT
|
Dear All,
At our experiment we write ROOT files. When starting/stopping runs we get the following error messages:
|
25 Mar 2020, Konstantin Olchanski, Forum, mlogger: misleading error messages for ROOT
|
> [Logger,ERROR] [mlogger.cxx:3358:root_write,ERROR] Cannot write system event into ROOT file, event_id 0xffff8000
Hi, Andreas, please open a bug report for this problem on bitbucket, there is now at least 2 bugs against
|
27 Mar 2020, Stefan Ritt, Forum, mlogger: misleading error messages for ROOT
|
Dear simplest solution seems to me to just remove the error message generation and silently ignore the BOE EOR events.
Committed that change.
|
27 Mar 2020, Andreas Suter, Forum, mlogger: misleading error messages for ROOT
|
Hi Stefan,
I think this only partially resolves the issue, in log_write:
|
27 Mar 2020, Stefan Ritt, Forum, mlogger: misleading error messages for ROOT
|
Ok, changed.
Stefan |
23 Mar 2020, Ivo Schulthess, Forum, Save data to FTP
|
Dear all
I try to save data to an FTP server but don't get any data on the server. Midas does not complain or message any error but also nothing gets saved. Does
somebody have experience with this? I use the following settings for the ODB mlogger channel settings: Type: FTP, Filename: server.com, 21, user, pw, ., |
23 Mar 2020, Konstantin Olchanski, Forum, Save data to FTP
|
> I try to save data to an FTP server but don't get any data on the server. Midas does not complain or message any error but also nothing gets saved. Does
somebody have experience with this? I use the following settings for the ODB mlogger channel settings: Type: FTP, Filename: server.com, 21, user, pw, .,
run%06d.mid, Format: MIDAS, Output: FILE. What would be the Output: FTP setting for? I tried this but it does not work at all.
|
24 Mar 2020, Ivo Schulthess, Forum, Save data to FTP
|
> > I try to save data to an FTP server but don't get any data on the server. Midas does not complain or message any error but also nothing gets saved.
Does somebody have experience with this? I use the following settings for the ODB mlogger channel settings: Type: FTP, Filename: server.com, 21, user,
pw, ., run%06d.mid, Format: MIDAS, Output: FILE. What would be the Output: FTP setting for? I tried this but it does not work at all.
|
24 Mar 2020, Stefan Ritt, Forum, Save data to FTP
|
Logging directly from the midas logger to FTP is a bit cumbersome. In case of delays during login etc. this can throttle the whole DAQ chain.
What we use in our lab is to write to local disk, then use the lazylogger (https://midas.triumf.ca/MidasWiki/index.php/Lazylogger) to copy the
local files to a remote FTP server. This way we de-couple data taking from backup, making the system much more swift.
|
24 Mar 2020, Ivo Schulthess, Forum, Save data to FTP
|
> Logging directly from the midas logger to FTP is a bit cumbersome. In case of delays during login etc. this can throttle the whole DAQ chain.
> What we use in our lab is to write to local disk, then use the lazylogger (https://midas.triumf.ca/MidasWiki/index.php/Lazylogger) to copy the
> local files to a remote FTP server. This way we de-couple data taking from backup, making the system much more swift.
|
24 Mar 2020, Konstantin Olchanski, Forum, Save data to FTP
|
>
> Since ILL only provides access via SFTP and everything else is not existent or blocked (not even ssh is possible),
> this is the only thing we can work with by now.
|
08 Aug 2019, Konstantin Olchanski, Info, MIDAS will use C++11
|
After much discussion, and following the MIDAS workshop at TRIUMF, we made the decision to use C++11 in MIDAS.
There are many benefits, and only one drawback - no c++11 compilers in the default OS install on older computers (i.e.
|
16 Mar 2020, Konstantin Olchanski, Info, MIDAS will use C++11
|
> After much discussion, and following the MIDAS workshop at TRIUMF, we made the decision to use C++11 in MIDAS.
>
> There are many benefits, and only one drawback - no c++11 compilers in the default OS install on older computers (i.e.
|
16 Mar 2020, Pintaudi Giorgio, Info, MIDAS will use C++11
|
About the boost library, that is exactly
what I did for a project of mine (the
calibration software for the WAGASCI
|
10 Mar 2020, Konstantin Olchanski, Info, MIDAS vs JSROOT web pages
|
Just FYI, I am looking at the ROOT web programming component JSROOT and I notice that the RPC mechanism quite different from the JSON-
RPC I implemented for MIDAS.
|
06 Mar 2020, Lars Martin, Forum, RPC error
|
I ported a bunch of frontends to C++ and now I'm occasionally getting this RPC
error message:
|
08 Mar 2020, Konstantin Olchanski, Forum, RPC error
|
I do not see this error, but there was one more report (they did not clearly say what http errors
they see) https://bitbucket.org/tmidas/midas/issues/209/get-rid-of-mjsonrpc-dialogs-put-it-to-
the
|
29 Jan 2020, Berta Beltran, Bug Report, Compiling Midas in OS 10.15 Catalina
|
Hi all,
I have updated our daq computer to the latest OS 10.15 with the idea that then I will get all our daq
|
02 Feb 2020, Konstantin Olchanski, Bug Report, Compiling Midas in OS 10.15 Catalina
|
> I have updated our daq computer to the latest OS 10.15 ...
FWIW, I do not have macos 10.15. I have 10.13 at home and 10.14 in the office. Maybe Stefan has it?
|
03 Feb 2020, Stefan Ritt, Bug Report, Compiling Midas in OS 10.15 Catalina
|
> > I have updated our daq computer to the latest OS 10.15 ...
>
> FWIW, I do not have macos 10.15. I have 10.13 at home and 10.14 in the office. Maybe Stefan has it?
|
04 Feb 2020, Konstantin Olchanski, Bug Report, Compiling Midas in OS 10.15 Catalina
|
> > > I have updated our daq computer to the latest OS 10.15 ...
> >
> > FWIW, I do not have macos 10.15. I have 10.13 at home and 10.14 in the office. Maybe Stefan has it?
|
06 Feb 2020, Berta Beltran, Bug Report, Compiling Midas in OS 10.15 Catalina
|
>
> Ok, in this case, I will update my office mac mini to 10.15.
|
10 Feb 2020, Konstantin Olchanski, Bug Report, Compiling Midas in OS 10.15 Catalina
|
> Any luck with Midas in OS 10.15?
Best I can tell, the problem is not in midas: pthread.h should be there, somewhere.
|
11 Feb 2020, Berta Beltran, Bug Report, Compiling Midas in OS 10.15 Catalina
|
> > Any luck with Midas in OS 10.15?
>
> Best I can tell, the problem is not in midas: pthread.h should be there, somewhere.
|
11 Feb 2020, Stefan Ritt, Bug Report, Compiling Midas in OS 10.15 Catalina
|
For your reference, here on my MacOSX 10.14.6 with XCode 11.3.1 the pthread.h file is present in locations listed below.
Did you execute "xcode-select --install" ?
|
12 Feb 2020, Berta Beltran, Bug Report, Compiling Midas in OS 10.15 Catalina
|
> For your reference, here on my MacOSX 10.14.6 with XCode 11.3.1 the pthread.h file is present in locations listed below.
>
> Did you execute "xcode-select --install" ?
|
12 Feb 2020, Stefan Ritt, Bug Report, Compiling Midas in OS 10.15 Catalina
|
Another thought: Can you delete the midas build directory and run cmake again? Like
$ cd midas/build
|
12 Feb 2020, Berta Beltran, Bug Report, Compiling Midas in OS 10.15 Catalina
|
> Another thought: Can you delete the midas build directory and run cmake again? Like
>
> $ cd midas/build
|
13 Feb 2020, Stefan Ritt, Bug Report, Compiling Midas in OS 10.15 Catalina
|
Now you are stuck with openssl, which is optional for mhttpd. If you only use mhttpd locally, you maybe don't need SSL support. In that case you can jus
do
|
13 Feb 2020, Berta Beltran, Bug Report, Compiling Midas in OS 10.15 Catalina
|
> Now you are stuck with openssl, which is optional for mhttpd. If you only use mhttpd locally, you maybe don't need SSL support. In that case you can jus
do
>
|
28 Feb 2020, Konstantin Olchanski, Bug Report, Compiling Midas in OS 10.15 Catalina
|
> > [midas/build] $ cmake -D NO_SSL=1 ..
> If I run the compilation with the flag NO_SSL it works just fine. ...
|
03 Mar 2020, Berta Beltran, Bug Report, Compiling Midas in OS 10.15 Catalina
|
Thanks Konstantin,
I will keep an eye for the next release so that I can update my Midas to include ssl libraries.
|
13 Feb 2020, Marius Koeppel, Forum, Writting Midas Events via FPGAs
|
Dear all,
we creating Midas events directly inside a FPGA and send them off via DMA into the PC RAM. For reading out this RAM via Midas the FPGA sends as a pointer |
13 Feb 2020, Stefan Ritt, Forum, Writting Midas Events via FPGAs
|
The rb_xxx function are (thoroughly tested!) robust against high data rate given that you use them as intended:
1) Once you create the ring buffer via rb_create(), specify the maximum event size (overall event size, not bank size!). Later there is no protection any |
14 Feb 2020, Konrad Briggl, Forum, Writting Midas Events via FPGAs
|
Hello Stefan,
is there a difference for the later data processing (after writing the ring buffer blocks)
if we write single events or multiple in one rb_get_wp - memcopy - rb_increment_wp cycle?
|
14 Feb 2020, Stefan Ritt, Forum, Writting Midas Events via FPGAs
|
rb_xxx functions are midas event agnostic. The receiving side in mfe.cxx (lines 1418 in receive_trigger_event) however pulls one event at a time. If you
have some inconsistency I would put some debugging code there.
|
20 Feb 2020, Konstantin Olchanski, Forum, Writting Midas Events via FPGAs
|
> rb_xxx functions are midas event agnostic. The receiving side in mfe.cxx (lines 1418 in receive_trigger_event) however pulls one event at a time. If you
> have some inconsistency I would put some debugging code there.
|
20 Feb 2020, Marius Koeppel, Forum, Writting Midas Events via FPGAs
|
We also agree and found the problem now. Since we build everything (MIDAS Event Header, Bank Header, Banks etc.) in the FPGA we had some struggle with
the MIDAS data format (http://lmu.web.psi.ch/docu/manuals/bulk_manuals/software/midas195/html/AppendixA.html). We thought that only the MIDAS Event needs |
20 Feb 2020, Stefan Ritt, Forum, Writting Midas Events via FPGAs
|
Actually the cause of all of the is a real bug in the midas functions. We want each bank 8-byte aligned, so there is code in bk_close like:
midas.cxx:14788:
|
21 Feb 2020, Konstantin Olchanski, Forum, Writting Midas Events via FPGAs
|
Hi, Stefan - is this our famous 64-bit misalignement? Where we have each alternating bank aligned and misaligned at 64 bits? Without changing the data
format, one can always store data in 64-bit aligned banks by inserting a dummy banks between real banks:
|
21 Feb 2020, Stefan Ritt, Forum, Writting Midas Events via FPGAs
|
> Hi, Stefan - is this our famous 64-bit misalignement? Where we have each alternating bank aligned and misaligned at 64 bits? Without changing the data
> format, one can always store data in 64-bit aligned banks by inserting a dummy banks between real banks:
>
|
21 Feb 2020, Konstantin Olchanski, Forum, Writting Midas Events via FPGAs
|
> We also agree and found the problem now.
Good. what was wrong?
|
20 Feb 2020, Marius Koeppel, ,
|
We also agree and found the problem now. Since we build everything (MIDAS Event Header, Bank Header, Banks etc.) in the FPGA we had some struggle with
the MIDAS data format (http://lmu.web.psi.ch/docu/manuals/bulk_manuals/software/midas195/html/AppendixA.html). We thought that only the MIDAS Event needs |
12 Feb 2020, Marius Koeppel, Forum, Difference between "Event Data Size" and "All Bank Size"
|
Dear all,
we are trying to build Midas events on FPGAs and send them directly to the midas
|
12 Feb 2020, Stefan Ritt, Forum, Difference between "Event Data Size" and "All Bank Size"
|
Thanks for pointing out this error. The "All Bank Size" contains the size of all banks including their
bank headers, but NOT the global bank header itself. I modified the documentation accordingly.
|
20 Feb 2020, Konstantin Olchanski, Forum, Difference between "Event Data Size" and "All Bank Size"
|
> Thanks for pointing out this error. The "All Bank Size" contains the size of all banks including their
> bank headers, but NOT the global bank header itself. I modified the documentation accordingly.
>
|
18 Feb 2020, Lukas Gerritzen, Bug Report, RPC Error: ACK or other control chars from "db_get_values"
|
Hi,
for some reason we occasionally get JSON errors in the browser when accessing MIDAS. It is then not possible to open a new window or tab, see attachment.
The unexpected token is \0x6, so the acknowledge symbol.
|
18 Feb 2020, Stefan Ritt, Bug Report, RPC Error: ACK or other control chars from "db_get_values"
|
You are the first one reporting this error, so it must be due to your values in the ODB. Can you track it down to specific ODB contents? If so, can you
post it so that I can reproduce your error?
|
20 Feb 2020, Konstantin Olchanski, Bug Report, RPC Error: ACK or other control chars from "db_get_values"
|
> The unexpected token is \0x6
> RPC Error json parser exception: SyntaxError: JSON.parse: bad control character in string literal at line 80 column 30 of the JSON data, method: "db_get_valus",
params: [object Object], id: 1582020074098.
|
29 Jan 2020, Pintaudi Giorgio, Info, Force triggering of idle routine of a frontend
|
Hello!
As you know, the generic MIDAS frontend has a class driver, device driver, bus driver
structure. Assuming a slow device frontend, its class driver should have a routine of type
|
02 Feb 2020, Konstantin Olchanski, Info, Force triggering of idle routine of a frontend
|
Hi, Giorgio - I think you encountered a fundamental problem with what to do at the begin of
run. There are two ways of thinking about it.
|
02 Feb 2020, Pintaudi Giorgio, Info, Force triggering of idle routine of a frontend
|
Dear Konstantin,
thank you very much for the explanation. I already have an idea of how to solve my problem by bypassing the class driver altogether or by slightly modifying
the mfe.cxx frontend.
|
03 Feb 2020, Stefan Ritt, Info, Force triggering of idle routine of a frontend
|
It is important to note that slow control readout and sending of midas events are two separate things. Readout is done as fast as possible, even multi-threaded
if selected. On fast devices this can be 100 Hz readout rate and even more. This data is stored in an internal buffer. When one of the values changes by
more than the update threshold, then the ODB gets updated. The midas events are composed from this internal buffer when a new event has to be sent. This |
04 Feb 2020, Pintaudi Giorgio, Info, Force triggering of idle routine of a frontend
|
Dear Stefan,
thank you very much for the clarification. I knew about the DF_XXX flags and I am making good use of them in all my frontends. Anyway, what I really needed
was to change the readout rate depending on the run status (in particular DF_RUNNING or DF_TRANSITION).
|
07 Feb 2020, Stefan Ritt, Info, Force triggering of idle routine of a frontend
|
Dear Giorgio,
ok, now I'm slowly getting your point.
|
07 Feb 2020, Pintaudi Giorgio, Info, Force triggering of idle routine of a frontend
|
Dear Stefan,
Thank you for the advice. I will try to modify the driver as you say. As for the dynamical change of readout rate, basically you are telling me that is
not achievable without dirty hacks like mine and it is better to find a way to avoid it.
|
09 Feb 2020, Stefan Ritt, Info, Force triggering of idle routine of a frontend
|
You dirty hacks will probably work, but what you REALLY want is to read out your HV always as fast as possible, not only during run transitions or ramping.
We had a case where a detector produced electrostatic discharges which only lasted for a second or so, and we were happy to detect this in spikes in the
HV current. With measurements of only one per minute we would not have realized that so quicky.
|
10 Feb 2020, Konstantin Olchanski, Info, Force triggering of idle routine of a frontend
|
> We had a case where a detector produced electrostatic discharges which only lasted for a second or so
> and we were happy to detect this in spikes in the HV current. With measurements of only one per minute
> we would not have realized that so quicky.
|
12 Feb 2020, Stefan Ritt, Info, Force triggering of idle routine of a frontend
|
I had a look again at the issue. If you sett the event limit to zero in the EQUIPMENT list, then the idle() routine of your class driver is called as often
as possible. Typically with 100 Hz. It's then up to you what to do in the class driver. The hv_idle() routine of the HV class driver shipped in the distribution
for example read a channel more often if it has been changed recently. Look at the lines
|
10 Feb 2020, Konstantin Olchanski, Suggestion, switch midas to c++ threads?
|
Hi, Stefan & co - now that midas is c++11 and c++11 comes with a threads library, should we
switch midas to use the c++11 threads instead of pthreads? (Of course on Linux c++11
threads are a layer on top of pthreads, the best I know).
|
11 Feb 2020, Stefan Ritt, Suggestion, switch midas to c++ threads?
|
I'm thinking of this already since some time, and it was part of my motivation switching to C++11.
I was delighted to see that what we do in system.c (encapsulate system functions such as threads
and shared memory) is now done natively in C++11, and it's done by experts and not amateurs like us.
|
11 Feb 2020, Berta Beltran, Suggestion, switch midas to c++ threads?
|
> Hi, Stefan & co - now that midas is c++11 and c++11 comes with a threads library, should we
> switch midas to use the c++11 threads instead of pthreads? (Of course on Linux c++11
> threads are a layer on top of pthreads, the best I know).
|
23 Jan 2020, Berta Beltran, Bug Report, get an open ssl error while trying to compile Midas
|
Hi all,
I have a Mac with OS 10.13.6 and Xcode 10.1. I am following the instructions in the wiki to install Midas.
|
23 Jan 2020, Konstantin Olchanski, Bug Report, get an open ssl error while trying to compile Midas
|
Hi, yes, this is the right place to report problems and to ask questions about midas.
As for your trouble, I have the same macos 10.13.6, so we should be able to figure out what goes wrong.
|
23 Jan 2020, Stefan Ritt, Bug Report, get an open ssl error while trying to compile Midas
|
I tried on my Mac (macOS 10.14.6, Xcode 11.3.1, current develop branch, openssl 1.1.1d) and it woks fine. Below is the transcript. I
see that your cmake output is much shorter (no C compiler listed etc.). Did you remove some lines? For such comparisons, it's
always good to start with an empty build directory.
|
26 Jan 2020, Konstantin Olchanski, Bug Report, get an open ssl error while trying to compile Midas
|
>
> .../c++ ... /opt/local/lib/libssl.dylib
>
|
26 Jan 2020, Konstantin Olchanski, Bug Report, support for mbedtls - get an open ssl error while trying to compile Midas
|
> >
> > .../c++ ... /opt/local/lib/libssl.dylib
> >
|
26 Jan 2020, Konstantin Olchanski, Bug Report, support for mbedtls - get an open ssl error while trying to compile Midas
|
> ... support for certbot
The certbot tool to use instead of certbot is this: https://github.com/ndilieto/uacme
|
28 Jan 2020, Berta Beltran, Bug Report, support for mbedtls - get an open ssl error while trying to compile Midas
|
> > ... support for certbot
>
> The certbot tool to use instead of certbot is this: https://github.com/ndilieto/uacme
|
02 Feb 2020, Konstantin Olchanski, Bug Report, support for mbedtls - get an open ssl error while trying to compile Midas
|
> I only work on this project from Tuesday to Thursdays.
No problem. No hurry.
|
28 Jan 2020, Amy Roberts, Suggestion, MIDAS tested with MariaDB?
|
We're using the History Logger MIDAS feature and writing to mySQL tables, but
in some cases have run into issues installing mySQL on centos7 systems.
|
28 Jan 2020, Lukas Gerritzen, Suggestion, MIDAS tested with MariaDB?
|
I have used the mySQL runlog with MariaDB before. I don't recall any problems on Fedora Core 29 or so (after MIDAS compiled).
[quote]MariaDB intended to maintain high compatibility with MySQL, ensuring a drop-in replacement capability with library binary parity and exact matching |
28 Jan 2020, Lee Pool, Suggestion, MIDAS tested with MariaDB?
|
> We're using the History Logger MIDAS feature and writing to mySQL tables, but
> in some cases have run into issues installing mySQL on centos7 systems.
>
|
02 Feb 2020, Konstantin Olchanski, Suggestion, MIDAS tested with MariaDB?
|
> We're using the History Logger MIDAS feature and writing to mySQL tables, but
> in some cases have run into issues installing mySQL on centos7 systems.
>
|
13 Jan 2020, Peter Kunz, Forum, cmake complie issues
|
While upgrading to the latest MIDAS version
MIDAS version: 2.1 GIT revision: Tue Dec 31 17:40:14 2019 +0100 - midas-2019-09-i-1-gd93944ce-dirty on branch develop
ODB version: 3 |
13 Jan 2020, Konstantin Olchanski, Forum, cmake complie issues
|
(please post messages in "plain" mode, they are much easier to answer)
- nvidia problems - this code was contributed by Joseph (I think?), with luck he will look into
|
13 Jan 2020, Peter Kunz, Forum, cmake complie issues
|
Re: ROOT problem
I looked into how my ROOT based MIDAS analyzer compiles. It is using the flag -std=c++14.
|
13 Jan 2020, Konstantin Olchanski, Forum, cmake complie issues
|
Right. So the problem is mismatch in ROOT compile flags. The old Makefile build used CFLAGS from ROOT to build rmana and rmlogger, cmake uses some kind
of generic CFLAGS, so here we have it. No idea how to fix it.
|
14 Jan 2020, Stefan Ritt, Forum, cmake complie issues
|
Thanks for tracing the problem further down. Now I realized that the CMakeLists.txt for the ROOT analyzer did not contain the usual ROOT flags. I added
that and committed the change, so please try again. Here is the diff:
|
14 Jan 2020, Stefan Ritt, Forum, cmake complie issues
|
> In the past, one could use "make -k" to get past the errors caused by ROOT, everything will
> get built and installed, except for the code that failed to build.
>
|
16 Jan 2020, Konstantin Olchanski, Forum, cmake complie issues, Fedora 31 ROOT?
|
> Complile including ROOT throws an error with ROOT 6.18/04 on Fedora 31 ...
> /usr/include/root/ROOT/RStringView.hxx:32:37: error: ‘experimental’ in namespace ‘std’ ...
|
17 Jan 2020, Lukas Gerritzen, Forum, cmake complie issues, Fedora 31 ROOT?
|
> In any case, we are setup for an eventual collision between MIDAS CFLAGS (-std=gnu++11) and ROOT CFLAGS (-std=something else).
Are there good reasons to not compile MIDAS with set(CMAKE_CXX_STANDARD 14)? So far this was an easier "fix" for me than to recompile ROOT with c++11. |
17 Jan 2020, Stefan Ritt, Forum, cmake complie issues, Fedora 31 ROOT?
|
> > In any case, we are setup for an eventual collision between MIDAS CFLAGS (-std=gnu++11) and ROOT CFLAGS (-std=something else).
>
> Are there good reasons to not compile MIDAS with set(CMAKE_CXX_STANDARD 14)? So far this was an easier "fix" for me than to recompile ROOT with c++11.
|
17 Jan 2020, Konstantin Olchanski, Forum, cmake complie issues, Fedora 31 ROOT?
|
> > In any case, we are setup for an eventual collision between MIDAS CFLAGS (-std=gnu++11) and ROOT CFLAGS (-std=something else).
>
> Are there good reasons to not compile MIDAS with set(CMAKE_CXX_STANDARD 14)? So far this was an easier "fix" for me than to recompile ROOT with c++11.
|
17 Jan 2020, Konstantin Olchanski, Forum, cmake complie issues, Fedora 31 ROOT?
|
> > In any case, we are setup for an eventual collision between MIDAS CFLAGS (-std=gnu++11) and ROOT CFLAGS (-std=something else).
>
> Are there good reasons to not compile MIDAS with set(CMAKE_CXX_STANDARD 14)? So far this was an easier "fix" for me than to recompile ROOT with c++11.
|
14 Jan 2020, Peter Kunz, Forum, EPICS frontend does not compile under midas-2019-09-i
|
I'm still trying to upgrade my MIDAS system to midas-2019-09-i. Most frontends work fine with the modifications already discussed.
However, I ran into some trouble with the epics frontend. Even with the modifications it throws a lot of warnings and errors (see attached log file). I
can reduce the errors with -fpermissive, but the following two errors are persistent:
|
15 Jan 2020, Konstantin Olchanski, Forum, EPICS frontend does not compile under midas-2019-09-i
|
> I'm still trying to upgrade my MIDAS system to midas-2019-09-i. Most frontends work fine with the modifications already discussed.
> However, I ran into some trouble with the epics frontend. Even with the modifications it throws a lot of warnings and errors (see attached log file).
I can reduce the errors with -fpermissive, but the following two errors are persistent:
|
15 Jan 2020, Konstantin Olchanski, Forum, EPICS frontend does not compile under midas-2019-09-i
|
I fixed the compiler errors in epics_ca.cxx, can you try again? (see https://bitbucket.org/tmidas/midas/commits/)
But, I do not see errors with ca_create_channel() and ca_create_subscription().
|
15 Jan 2020, Peter Kunz, Forum, EPICS frontend does not compile under midas-2019-09-i
|
Hi Konstantin,
I have EPICS Base Release 3.14.8.2 and got your example running with it, though I had to make one change.
For some reason it wouldn't find libca.so, but when I linked the static library libca.a instead, it worked.
|
15 Jan 2020, Konstantin Olchanski, Forum, EPICS frontend does not compile under midas-2019-09-i
|
> I have EPICS Base Release 3.14.8.2 and got your example running with it...
Ok, good.
|
15 Jan 2020, Konstantin Olchanski, Forum, EPICS frontend does not compile under midas-2019-09-i
|
>
> > I have EPICS Base Release 3.14.8.2 ...
>
|
13 Jan 2020, Peter Kunz, Forum, frontend issues with midas-2019-09
|
After upgrading to the lastes MIDAS version I got the DAQ frontend of my application running by changing all compiler directives from cc to g++ and using
#include "mfe.h"
extern HNDLE hDB |
13 Jan 2020, Konstantin Olchanski, Forum, frontend issues with midas-2019-09
|
(please use the "plain" text, much easier to answer).
Hi, Peter, I think you misread the error message. There is no error about initialize_equipment(), the error
|
13 Jan 2020, Peter Kunz, Forum, frontend issues with midas-2019-09
|
Thanks for explaining this, Konstantin.
After updating the function to
|
14 Jan 2020, Stefan Ritt, Forum, frontend issues with midas-2019-09
|
We updated midas/examples/experiment/frontend.cxx to correctly contain
/*-- Interrupt configuration ---------------------------------------*/
|
14 Jan 2020, Stefan Ritt, Forum, frontend issues with midas-2019-09
|
Actually now I see that
a4) poll_event() and interrupt_configure() have "source" as "int[]" instead of "int" (why did this work before?)
|
13 Jan 2020, Konstantin Olchanski, Forum, frontend issues with midas-2019-09
|
(please use the "plain" text, much easier to answer).
Hi, Peter, I think you misread the error message. There is no error about
|
13 Jan 2020, Peter Kunz, Forum, ODB dump format: json - events 0x8000 and 0x8001 missing
|
MIDAS version: 2.1
GIT revision: Tue Dec 31 17:40:14 2019 +0100 - midas-2019-09-i-1-gd93944ce-dirty on branch develop
/Logger/Channels/0/Settings |
13 Jan 2020, Konstantin Olchanski, Forum, ODB dump format: json - events 0x8000 and 0x8001 missing
|
(Please post messages in "plain" mode, they are much easier to answer)
Thank you for reporting this problem. I will try to reproduce it.
|
13 Jan 2020, Peter Kunz, Forum, ODB dump format: json - events 0x8000 and 0x8001 missing
|
Re: MIDAS versions
Thanks for pointing that out. I wasn't actually aware that there is a release branch and a development branch.
|
13 Jan 2020, Konstantin Olchanski, Forum, ODB dump format: json - events 0x8000 and 0x8001 missing
|
For using the release branch read the messages in this thread. Most of the time, the develop branch is fine, except when we are developing something
new, and the only way to tell is to watch the git activity on bitbucket or see the release branch announcements I post on the midas forum.
|
22 Nov 2018, Konstantin Olchanski, Info, status of self-signed https certificates
|
I just happened to check the current situation with self-signed https certificates as implemented in mhttpd.
(To remember, the powers-that-be are pushing for universal use of https for all web access. The https
|
30 Nov 2018, Stefan Ritt, Info, status of self-signed https certificates
|
> In the mean time, we continue to recommend that mhttpd should be used behind a password protected https proxy (i.e. apache
> httpd, etc).
|
03 Dec 2018, Konstantin Olchanski, Info, status of self-signed https certificates
|
> > In the mean time, we continue to recommend that mhttpd should be used behind a password protected https proxy (i.e. apache
> > httpd, etc).
>
|
10 Jun 2019, Konstantin Olchanski, Info, status of self-signed https certificates
|
> > > In the mean time, we continue to recommend that mhttpd should be used behind a password protected https proxy (i.e. apache
> > > httpd, etc).
|
13 Jan 2020, Konstantin Olchanski, Info, status of self-signed https certificates
|
Now firefox returns the same error. version 72.0.1.
> daqlabpc.triumf.ca has a security policy called HTTP Strict Transport Security (HSTS), which means that Firefox can only connect to it securely. You |
30 Apr 2019, Konstantin Olchanski, Info, How to convert C midas frontends to C++
|
To convert a MIDAS frontend to C++ follow this checklist:
a) add #include "mfe.h" after include of midas.h and fix all compilation errors.
|
05 Jun 2019, Konstantin Olchanski, Info, How to convert C midas frontends to C++
|
> To convert a MIDAS frontend to C++ follow this checklist:
Pierre A.-A. reminded me that include files for CAEN libraries have to
|
13 Jan 2020, Konstantin Olchanski, Info, How to convert C midas frontends to C++, CAEN libraries
|
Big thanks to Peter Kunz - specifically when using the CAEN libraries:
>
|
23 Jul 2019, Frederik Wauters, Forum, How to convert C midas frontends to C++
|
I am moving our fe code to c++ midas with cmake. I did encounter your a) problems.
How do I solve mismatched declarations in the mfe (or other places in the midas code)? It is having issues with the midas defined BOOL/... types. This |
23 Jul 2019, Stefan Ritt, Forum, How to convert C midas frontends to C++
|
Did you include mfe.h as written in elog:1526 ?
Stefan |
23 Jul 2019, Frederik Wauters, Forum, How to convert C midas frontends to C++
|
> Did you include mfe.h as written in elog:1526 ?
>
> Stefan
|
23 Jul 2019, Stefan Ritt, Forum, How to convert C midas frontends to C++
|
Have you left any "extern C" in your frontend program or in any of the used header file. Seems
like the linker cannot find the poll_event in your frontend code. If it's there, but it's compiled
with C calling (instead of C++), the name mangling causes it to be invisible to the linker. That
|
23 Jul 2019, Lukas Gerritzen, Forum, How to convert C midas frontends to C++
|
Can you post the exact command that cmake executes to link sc_fe_mini (with make VERBOSE=1)?
I have noticed similar linking problems that depended on the order when linking. In my case, it
|
25 Jul 2019, Frederik Wauters, Forum, How to convert C midas frontends to C++ (my problem solved)
|
Ok, so the detail that I missed was that the dummy functions
|
30 Jul 2019, Stefan Ritt, Forum, How to convert C midas frontends to C++ (my problem solved)
|
> as a side comment, not all drivers are c++ compatible yet (e.g. mscbvr), so changes needed are small
Right. We recently switched the whole midas to c++, but we could not cover all drivers. Most of them just need some type
|
01 Aug 2019, Stefan Ritt, Forum, How to convert C midas frontends to C++ (my problem solved)
|
>
> Ok, so the detail that I missed was that the dummy functions
>
|
09 Aug 2019, Konstantin Olchanski, Forum, How to convert C midas frontends to C++
|
> How do I solve mismatched declarations in the mfe (or other places in the midas code)?
I run into such problems all the time. My solution? I grep for the function name in my code and in the header file,
|
12 Jan 2020, Konstantin Olchanski, Info, midas on centos-8 status
|
I now have a centos-8 computer and I tried midas on it:
- the develop and midas-2019-09 branches build, mhttpd runs
|
06 Jan 2020, Alireza Talebitaher, Forum, SSL_ERROR_NO_CYPHER_OVERLAP
|
Hello,
I am quite new in both Linux and MIDAS.
|
06 Jan 2020, Konstantin Olchanski, Forum, SSL_ERROR_NO_CYPHER_OVERLAP
|
> I am quite new in both Linux and MIDAS.
> I have install MIDAS on my desktop by going through this link:
> https://midas.triumf.ca/MidasWiki/index.php/Quickstart_Linux
|
07 Jan 2020, Alireza Talebitaher, Forum, SSL_ERROR_NO_CYPHER_OVERLAP
|
Hi Konstantin,
Thanks for your reply,
|
07 Jan 2020, Konstantin Olchanski, Forum, SSL_ERROR_NO_CYPHER_OVERLAP
|
Hi, I have not run midas on Centos-8 yet. Maybe there is a problem with the openssl library there. The Centos-7
instructions for setting up apache httpd proxy are here, with luck they work on centos-8:
|
08 Jan 2020, Alireza Talebitaher, Forum, SSL_ERROR_NO_CYPHER_OVERLAP
|
Hi,
As, the link suggests, I perform "yum install -y mod_ssl certwatch crypto-utils" but it complains as:
No match for argument: certwatch
|
12 Jan 2020, Konstantin Olchanski, Forum, SSL_ERROR_NO_CYPHER_OVERLAP
|
> > The Centos-7 instructions for setting up apache httpd proxy are here, with luck they work on centos-8:
> > https://daq.triumf.ca/DaqWiki/index.php/SLinstall#Configure_HTTPS_server_.28CentOS7.29
|
12 Jan 2020, Konstantin Olchanski, Forum, SSL_ERROR_NO_CYPHER_OVERLAP
|
> I am using CentOS 8 [and]
> Firefox 71.0
|
27 Sep 2019, Konstantin Olchanski, Release, midas-2019-09
|
I created the release branch for midas-2019-09 and tag midas-2019-09-a.
Since the previous release midas-2019-06, some news:
|
04 Dec 2019, Konstantin Olchanski, Release, midas-2019-09-e
|
> I created the release branch for midas-2019-09 and tag midas-2019-09-a.
> Since the previous release midas-2019-06, some news:
>
|
11 Dec 2019, Konstantin Olchanski, Release, midas-2019-09-g
|
midas-2019-09-g is here.
- the last bug in the new history plots is fixed, please try them out, plus
|
22 Dec 2019, Konstantin Olchanski, Release, midas-2019-09-i
|
midas-2019-09-i is here.
- the new sequencer web pages written in html+javascript (NewSequencer), the old c-generated sequencer pages still work (Sequencer)
|
08 Aug 2019, Konstantin Olchanski, Info, c++11 for RHEL/SL/CentOS-6
|
The default el6 (RHEL/SL/CentOS-6) compiler is gcc-4.4.7, it does not support c++11, not even a little bit.
Do this to install newer c++ compilers and build MIDAS with c++11:
|
06 Dec 2019, Konstantin Olchanski, Info, c++11 for RHEL/SL/CentOS-6
|
> The default el6 (RHEL/SL/CentOS-6) compiler is gcc-4.4.7, it does not support c++11, not even a little bit.
The previously posted instructions are incomplete - one cannot cross-compile 32-bit executables (i.e. for running on 32-bit VME
|
18 Oct 2019, Joseph McKenna, Info, sysmon: New system monitor and performance logging frontend added to MIDAS
|
I have written a system monitor tool for MIDAS, that has been merged in the develop branch today: sysmon
|
03 Dec 2019, Joseph McKenna, Info, mfe.c: MIDAS frontend's 'Equipment name' can embed hostname, determined at run-time
|
A little advertised feature of the modifications needed support the msysmon program is
that MIDAS equipment names can support the injecting of the hostname of the system
running the frontend at runtime (register_equipment(void)).
|
27 Sep 2019, Konstantin Olchanski, Bug Fix, improvement for midas web page resource use
|
I noticed that midas web pages consume unexpectedly large amount of resources, as observed by the chrome browser
"task manager" and by other tools.
|
27 Sep 2019, Konstantin Olchanski, Bug Fix, improvement for midas web page resource use (alarm sound)
|
> I noticed that midas web pages consume unexpectedly large amount of resources, as observed by the chrome browser
> "task manager" and by other tools.
>
|
28 Nov 2019, Konstantin Olchanski, Bug Fix, improvement for midas web page resource use (alarm sound and fit_message)
|
> > I noticed that midas web pages consume unexpectedly large amount of resources, as observed by the chrome browser
> > "task manager" and by other tools.
|
28 Nov 2019, Konstantin Olchanski, Bug Fix, improvement for midas web page resource use (alarm sound and fit_message)
|
> > > I noticed that midas web pages consume unexpectedly large amount of resources, as observed by the chrome browser
> > > "task manager" and by other tools.
|
28 Nov 2019, Konstantin Olchanski, Bug Report, midas alarm sound unreliable in google-chrome
|
I accidentally discovered a problem with the alarm sounds played by midas.
The javascript code is very simple: var audio=new Audio("alarm.mp3"); audio.play();
|
28 Nov 2019, Stefan Ritt, Bug Report, midas alarm sound unreliable in google-chrome
|
The document
https://docs.google.com/document/d/1_278v_plodvgtXSgnEJ0yjZJLg14Ogf-ekAFNymAJoU/edit
|
15 Nov 2019, Andreas Suter, Suggestion, javascript comunication
|
I am currently testing the new history system on the mhttpd side and stumbled over the following issue: typically our user open a lot of midas web-page
tabs and keep them open. With the current version this leads after a night typically to a state where the browser is busy with itself and not reacting
anymore.
|
15 Nov 2019, Stefan Ritt, Suggestion, javascript comunication
|
Very good idea. And thanks for finding the document.hidden solution. I put it in, so give it a try.
Best,
|
17 Nov 2019, Konstantin Olchanski, Suggestion, javascript comunication
|
> Very good idea. And thanks for finding the document.hidden solution. I put it in, so give it a try.
Hi, Stefan - I did not look at your code, if all midas tabs are inactive, will the alarm sound still play?
|
18 Nov 2019, Stefan Ritt, Suggestion, javascript comunication
|
> Hi, Stefan - I did not look at your code, if all midas tabs are inactive, will the alarm sound still play?
Nope. All updates are done in mhhtpd_refresh(), and I changed it such that nothing is updated if hidden.
|
18 Nov 2019, Konstantin Olchanski, Suggestion, javascript comunication
|
> > Hi, Stefan - I did not look at your code, if all midas tabs are inactive, will the alarm sound still play?
> I added some code to do ONLY alarm updates if in the background (once every 10 seconds)
|
17 Nov 2019, Konstantin Olchanski, Suggestion, javascript comunication
|
> I am currently testing the new history system on the mhttpd side and stumbled over the following issue:
> typically our user open a lot of midas web-page tabs and keep them open. With the current version this leads after a night typically to a state where
the browser is busy with itself and not reacting anymore.
|
18 Nov 2019, Stefan Ritt, Suggestion, javascript comunication
|
> a) google chrome slows down the execution of javascript in inactive tabs, leading to trouble
> with memory management - midas pages poll at 1/sec, each poll allocates memory for processing RPC messages,
> and (until recently) allocates memory for new DOM objects to update the web page - but the garbage collector
|
08 Nov 2019, Pierre Gorel, Bug Report, Newly installed MIDAS on OSX: mhttpd crahes
|
Context: out of the box MIDAS (using cmake) on OSX Mojave.
Running with mongoose/opensslm installation following instruction here:
|
12 Nov 2019, Konstantin Olchanski, Bug Report, Newly installed MIDAS on OSX: mhttpd crahes
|
> Context: out of the box MIDAS (using cmake) on OSX Mojave.
>
> Running with mongoose/opensslm installation following instruction here:
|
15 Nov 2019, Pierre Gorel, Bug Report, Newly installed MIDAS on OSX: mhttpd crahes
|
It is reproducible alright.
Here are the core dump and the backtrace (I think the former is more informative).
|
15 Nov 2019, Konstantin Olchanski, Bug Report, Newly installed MIDAS on OSX: mhttpd crahes
|
> It is reproducible alright.
Thanks. At first blush, a guess, read_passwords() is not thread-safe and is called from multiple threads, not protected by semaphore. Crash report shows |
20 Sep 2019, Frederik Wauters, Bug Report, lazylogger in cmake & max_event_size
|
compiling:
----------
|
27 Sep 2019, Konstantin Olchanski, Bug Report, lazylogger in cmake & max_event_size
|
> The compile option -DHAVE_FTPLIB checked in mdsupport.cxx disappeared if you
> compile with cmake.
|
14 Oct 2019, Stefan Ritt, Bug Report, lazylogger in cmake & max_event_size
|
> > The compile option -DHAVE_FTPLIB checked in mdsupport.cxx disappeared if you
> > compile with cmake.
>
|
24 Oct 2019, Konstantin Olchanski, Bug Report, lazylogger in cmake & max_event_size
|
> > > The compile option -DHAVE_FTPLIB checked in mdsupport.cxx disappeared if you
> > > compile with cmake.
> >
|
21 Oct 2019, Vinzenz Bildstein, Forum, Data for key truncated
|
I keep on getting messages like this:
16:25:35 [fecaen,ERROR] [odb.c:4567:db_get_data,ERROR] data for key
|
23 Oct 2019, Konstantin Olchanski, Forum, Data for key truncated
|
> I keep on getting messages like this:
> 16:25:35 [fecaen,ERROR] [odb.c:4567:db_get_data,ERROR] data for key
> "/DAQ/params/VX1730/custom/Board 0/Channel 0/Input range" truncated
|
23 Sep 2019, Frederik Wauters, Suggestion, recover daq and hardware safety.
|
We have encountered a safety issue with our HPGe HV and it's midas frontend. Turning off or changing HV unknowingly has to be avoided at all costs.
Current safety protection
We use the DF_REPORT_STATUS flag to give the hardware settings precedence over
odb settings. This all takes place in the init. |
27 Sep 2019, Konstantin Olchanski, Suggestion, recover daq and hardware safety.
|
> We have encountered a safety issue with our HPGe HV and it's midas frontend.
At TRIUMF and other labs the words "safety issue" have very specific meaning and
|
28 Sep 2019, Frederik Wauters, Suggestion, recover daq and hardware safety.
|
Dear Konstantin,
So let me retract the term "safety issue" then, it was more a request/question for this type of
|
29 Sep 2019, Konstantin Olchanski, Suggestion, recover daq and hardware safety.
|
>
> The issue occurs when e.g. one channel can not be turned on and ramp for some temp/specific
> reason, and someone else is working on the daq and reloads the odb for e.g. 1h ago.
|
15 Oct 2019, Stefan Ritt, Suggestion, recover daq and hardware safety.
|
There is a not-so-well-known function in the ODB to write protect some keys. You can do
odbedit> chmod 1 /Equipment/HV/Demand
|
14 Oct 2019, Joseph McKenna, Forum, tmfe.cxx - Future frontend design
|
Hi,
I have been looking at the 2019 workshop slides, I am interested in the C++ future of MIDAS.
|
06 Oct 2019, Nik Berger, Bug Report, History data size mismatch
|
Logging a list of variables to the history via links in the history ODB subtree,
we get messages as follows at every run start:
|
06 Oct 2019, Stefan Ritt, Bug Report, History data size mismatch
|
I wonder why do you this via ODB links. The "standard" way of writing to the history should be to create events for an equipment and flag this equipment
as being written to the
history. All variables under /Equipment/<name>/Variables then automatically go into the history and you don't have to worry about ODB links. Only variables |
10 Oct 2019, Konstantin Olchanski, Bug Report, History data size mismatch
|
>
> In our history, a long list of doubles (64 Bit) fas followed by three floats (32 bit)
>
|
10 Oct 2019, Nik Berger, Bug Report, History data size mismatch
|
>I wonder why do you this via ODB links. The "standard" way of writing to the history should be to create events for an equipment and flag this equipment
as being written to the
>history. All variables under /Equipment/<name>/Variables then automatically go into the history and you don't have to worry about ODB links. Only variables |
10 Oct 2019, Stefan Ritt, Bug Report, History data size mismatch
|
> Yes, we could have
> kept that apart, yes, in this case a double would also work (and not break things), but a bug is a bug...
> I could think of senisble use cases where doubles and ints are mixed and I also know quite a few areas where it makes
|
28 Sep 2019, Pintaudi Giorgio, Forum, MIDAS interface for WAGASCI online monitor
|
Hello!
This question is rather complex so please forgive me if I leave out some
details.
|
29 Sep 2019, Thomas Lindner, Forum, MIDAS interface for WAGASCI online monitor
|
Hi Pintaudi Giorgio,
I think that the ROOT THttpServer is an option. The ROOT tools are not perfect, but it is relatively easy to embed plots in custom MIDAS pages. I have |
29 Sep 2019, Konstantin Olchanski, Forum, MIDAS interface for WAGASCI online monitor
|
> online monitor would show (almost in real-time) the
> gain, the dark noise, and the pedestal for all the channels, the 2D tracks
> inside the detectors for each spill and so on.
|
29 Sep 2019, Pintaudi Giorgio, Forum, MIDAS interface for WAGASCI online monitor
|
Dear Thomas and Konstantin,
thank you very much for the feedback. I found the ROOTANA javascript display a good source of
|
30 Sep 2019, Konstantin Olchanski, Forum, MIDAS interface for WAGASCI online monitor
|
>
> As Thomas said, maybe the simplest thing would be to use the ROOT THttpServer. Honestly, I do
> not think that ROOT was ever meant to act as an online monitor due to its wacky memory
|
17 Sep 2019, Richard Longland, Forum, mhttpd start and stop redirect to Transition page
|
I recently upgraded to MIDAS version midas-2019-06-b. I had to make a few changes
to get our custom page running again, but am a little confused on starting and
stopping runs. When I click on my "Start" button, it now redirects to a
|
27 Sep 2019, Konstantin Olchanski, Forum, mhttpd start and stop redirect to Transition page
|
> I recently upgraded to MIDAS version midas-2019-06-b. I had to make a few changes
> to get our custom page running again, but am a little confused on starting and
> stopping runs.
|
06 Sep 2019, Pintaudi Giorgio, Forum, Open a hotlink to a single element in an ODB array
|
Hello!
Just a little question about the ODB hotlinks. Is it possible to open a hotlink
to a single element in and ODB array?
|
16 Sep 2019, Konstantin Olchanski, Forum, Open a hotlink to a single element in an ODB array
|
> Is it possible to open a hotlink to a single element in an ODB array?
Not possible.
|
26 Sep 2019, Stefan Ritt, Forum, Open a hotlink to a single element in an ODB array
|
[quote="Pintaudi Giorgio"]Hello!
Just a little question about the ODB hotlinks. Is it possible to open a hotlink
to a single element in and ODB array?[/quote]
|
27 Sep 2019, Pintaudi Giorgio, Forum, Open a hotlink to a single element in an ODB array
|
Thank you for the feedback.
I will try to use the db_watch function in the future.
I tried to look for more info about the db_watch function in the Wiki but I could not find much.
|
27 Sep 2019, Konstantin Olchanski, Forum, Open a hotlink to a single element in an ODB array
|
> I will try to use the db_watch function in the future.
Note that db_watch() and db_open_record() work exactly the same way, both only allow
|
14 Aug 2019, Stefan Ritt, Info, New history plot facility
|
During my visit at TRIUMF we rewrote the history plotting functionality of midas. Instead of
static GIF images, we have now interactive JavaScript panels where we can scroll, zoom,
inspect values and much more (example is attached). We are now in a state where this is still
|
06 Sep 2019, Andreas Suter, Info, New history plot facility
|
I like the new history system very much, but I stumbled over a couple of issues.
I used the version "Thu Aug 29 08:24:29 2019 +0200 -
midas-2019-06-b-244-gdd6585bb on branch develop":
|
06 Sep 2019, Stefan Ritt, Info, New history plot facility
|
> 1) it would be nice to have an option to format the label output (see attachment 1)
That's clearly a bug, I will fix it.
|
06 Sep 2019, Andreas Suter, Info, New history plot facility
|
> > 2) the background of a history plot is very handy if you only show one measure.
> > If you have multiple ones (see attachment 2), this is not the case anymore. It
> > would be nice if the background could be enabled/disabled.
|
07 Sep 2019, Stefan Ritt, Info, New history plot facility
|
> This I found out, yet the attachment here shows another case where it would be useful to be
> able to disable the background, namely if you have positive and negative measures in one
> plot. Somehow it suggests that CH1 and CH2 show very different values, whereas it is only a
|
08 Sep 2019, Stefan Ritt, Info, New history plot facility
|
> 1) it would be nice to have an option to format the label output (see attachment 1)
I fixed that in the current version.
|
10 Sep 2019, Andreas Suter, Info, New history plot facility
|
Our typical use case is that a lot of people are connected to the experiment
having some history tabs open most of the time. Hence, I setup a test system and
connect to it from all kind of systems/browsers. What I see currently quite
|
16 Sep 2019, Konstantin Olchanski, Info, New history plot facility
|
> I see currently quite often is the error hs_read_arraybuffer (see the
attachement).
> Are there ways to get a log which would document where the problems
|
17 Sep 2019, Andreas Suter, Info, New history plot facility
|
> On the mhttpd side, please capture the stack trace from the crash: enable
> core dumps (ODB "/experiment/enable core dumps" set to "y", after the crash,
> run "ls -l core.*; gdb mhttpd core.9999") or run mhttpd inside gdb or attach
|
17 Sep 2019, Konstantin Olchanski, Info, New history plot facility
|
> > On the mhttpd side, please capture the stack trace from the crash
>
> here comes the stack trace (only happens when using safari 12.1.2 macOS 10.14.6):
|
16 Sep 2019, Konstantin Olchanski, Info, New history plot facility
|
> During my visit at TRIUMF we rewrote the history plotting functionality of midas.
This is a most amazing achievement. We wanted to do this "for years" and I think we have
|
16 Sep 2019, Stefan Ritt, Info, New history plot facility
|
> Also the new system is still incomplete, i.e. there is no trivial way to save a history plot into a file:
That has been implemented in meantime. Just click on the download arrow and you can save the current window in CSV or PNG format.
|
08 Sep 2019, Vinzenz Bildstein, Bug Report, https redirect and ODB access
|
I'm not sure if these issues are related or not, but I'm getting an error
message when I want to access the root of the ODB via the webserver:
[mhttpd,ERROR] [mhttpd.cxx:563:rread,ERROR] Cannot read file '/root', read of
|
16 Sep 2019, Konstantin Olchanski, Bug Report, https redirect and ODB access
|
> I'm not sure if these issues are related or not, but I'm getting an error
> message when I want to access the root of the ODB via the webserver:
> [mhttpd,ERROR] [mhttpd.cxx:563:rread,ERROR] Cannot read file '/root', read of
|
07 Feb 2019, Stefan Ritt, Info, History panels in custom pages
|
A new tag has been implemented to display history panels in custom pages, integrated in the
new custom page design from 2017. The full documentation can be found at
|
08 Feb 2019, Thomas Lindner, Info, History panels in custom pages
|
> A new tag has been implemented to display history panels in custom pages, integrated in the
> new custom page design from 2017. The full documentation can be found at
>
|
12 Sep 2019, Pintaudi Giorgio, Info, History panels in custom pages
|
> > A new tag has been implemented to display history panels in custom pages, integrated in the
> > new custom page design from 2017. The full documentation can be found at
> >
|
12 Sep 2019, Stefan Ritt, Info, History panels in custom pages
|
Indeed there was a bug in some JavaScript code, which I fixed here: https://bitbucket.org/tmidas/midas/commits/d2b1a783240e252820c622001e15c09c5d7798c0
Note that your code will bring you the "old style" history panels (with GIF images). If you want the new style (interactive canvas panels), you need the |
13 Sep 2019, Pintaudi Giorgio, Info, History panels in custom pages
|
Dear Stefan,
thank you very much for the prompt reply. Your suggestions worked wonderfully. Now I can display all the plots that I want where I want.
The new JavaScript history plots are really a huge improvement over the old ones.
|
07 Aug 2019, Paolo Baesso, Bug Report, ROOTANA bug?
|
Hi,
I posted on the ROOTANA elog but there seems to be little activity there...
|
07 Aug 2019, Thomas Lindner, Bug Report, ROOTANA bug?
|
Hi Paolo,
Sorry for the slow response. We were discussing this with Konstantin yesterday. He is aware of the problem now and will be working on a solution soon.
|
08 Aug 2019, Lauren Manton, Bug Report, ROOTANA bug?
|
Hi,
Thank you, commenting out the line worked and we can now compile the code. However, when we try to run ana.exe or anaDisplay.exe, we get the following |
08 Aug 2019, Konstantin Olchanski, Bug Report, ROOTANA bug?
|
> indnerlt:rootana lindner$ git diff libMidasInterface/TMidasOnline.cxx
> diff --git a/libMidasInterface/TMidasOnline.cxx b/libMidasInterface/TMidasOnline.cxx
> index 92eb3e9..67da613 100644
|
14 Aug 2019, Konstantin Olchanski, Bug Report, ROOTANA bug?
|
> - ss_suspend_set_dispatch_ipc(NULL);
> + // ss_suspend_set_dispatch_ipc(NULL);
>
|
14 Aug 2019, Konstantin Olchanski, Bug Fix, incorrect recursion in ss_suspend() via the user event handler
|
The ROOTANA midas analyzer uncovered a problem with recursive use of ss_suspend().
When running in graphical mode, the ROOT graphics main event loop was calling
|
05 Aug 2019, Stefan Ritt, Info, Precedence of equipment/common structure
|
Today I fixed a long-annoying problem. We have in each front-end an equipment structure
which defined the event id, event type, readout frequency etc. This is mapped to the ODB
subtree
|
06 Aug 2019, Thomas Lindner, Info, Precedence of equipment/common structure
|
Hi Stefan,
This change does not sound like a good idea to me. I think that this change will cause just as much confusion as before; probably more since you are changing |
06 Aug 2019, Stefan Ritt, Info, Precedence of equipment/common structure
|
Hi Thomas,
the change only affects Eqipment/<name>/common not the Equipment/<name>/Settings.
|
06 Aug 2019, Stefan Ritt, Info, Precedence of equipment/common structure
|
After some internal discussion, I decided to undo my previous change again, in order not to break existing habits. Instead, I created a new function
set_odb_equipment_common(equipment, name);
|
09 Aug 2019, Konstantin Olchanski, Info, Precedence of equipment/common structure
|
> Today I fixed a long-annoying problem. ...
> /Equipment/<name>/Common
> In the past, the ODB setting took precedence over the frontend structure...
|
13 Aug 2019, Stefan Ritt, Info, Precedence of equipment/common structure
|
> Lacking any ideas for improvements, I vote for the status quo. (plus a review of the documentation to ensure we have clearly
> written up what each entry in "common" does and whether the user is permitted to edit it in odb).
|
22 Jul 2019, Hassan, Bug Report, Fetest History Plot
|
Hi,
We've been trying to run Fetest in the attempt of plotting the sine wave data on
|
24 Jul 2019, Pierre-Andre Amaudruz, Bug Report, Fetest History Plot
|
> Hi,
>
> We've been trying to run Fetest in the attempt of plotting the sine wave data on
|
26 Jul 2019, Hassan, Bug Report, Fetest History Plot
|
Hi, our logger was running. I have tried restarting mlogger (even though we haven't
changed variable names). We ran the following commands one after another and still no
luck with history plot. Is there anything else that could be causing these problems?
|
09 Aug 2019, Konstantin Olchanski, Bug Report, Fetest History Plot
|
> Hi, our logger was running.
|
09 Aug 2019, Konstantin Olchanski, Bug Report, Fetest History Plot
|
> Hi, our logger was running.
Please do these simple tests:
|
08 Aug 2019, Art Olin, Suggestion, midas cmake migration
|
I want to report a bug in the ROOT build process that might be relevant to the midas implementation. I had an annoying failure to build root 6.18 (current
pro version) with a misleading error message about a fault in the root code. It turned out this was a cmake problem, and the error was from my cmake version
being older than 3.14, which is quite recent. Took a bit of searching to find this.
|
08 Aug 2019, Stefan Ritt, Suggestion, midas cmake migration
|
Each CMakeLists.txt should specify which version of CMake it requires. The MIDAS CMakeLists.txt requires CMake 3.1 or later.
We deliberately stayed away from fancy cutting edge CMake features in order to make midas easier to compile. On top of that,
midas is a much simpler package compared to root, so things are not so complicated.
|
08 Aug 2019, Konstantin Olchanski, Suggestion, midas cmake migration
|
> Each CMakeLists.txt should specify which version of CMake it requires. The MIDAS CMakeLists.txt requires CMake 3.1 or later.
> We deliberately stayed away from fancy cutting edge CMake features in order to make midas easier to compile. On top of that,
> midas is a much simpler package compared to root, so things are not so complicated.
|
08 Aug 2019, Stefan Ritt, Suggestion, midas cmake migration
|
I just tried CMake 3.1.0 and it worked with midas. So I believe all versions between 3.1.0 and 3.6.1 are ok.
Actually playing around with different versions I realized that 3.0.0 is also ok, so I changed the requirement of midas down to 3.0
|
07 Aug 2019, Pintaudi Giorgio, Suggestion, ROOT and multi-threading
|
Hello!
I am creating this thread to comment on an issue raised today during the MIDAS
workshop.
|
21 May 2019, Thomas Lindner, Forum, MIDAS Workshop on Aug 7
|
Dear MIDAS users,
We would like to announce a third MIDAS workshop at TRIUMF on Aug 7, 2019.
|
03 Jul 2019, Thomas Lindner, Forum, MIDAS Workshop on Aug 7
|
Dear MIDAS users,
Here's further information on the third MIDAS workshop:
|
06 Aug 2019, Thomas Lindner, Forum, MIDAS Workshop on Aug 7
|
Dear MIDAS users,
A final reminder about the MIDAS workshop tomorrow. A couple reminders/notes:
|
04 Jul 2019, Lukas Gerritzen, Info, Limitations of MSL
|
Hi,
I am missing a few features. Do any of the following exist and I have just
overlooked them?
|
05 Jul 2019, Konstantin Olchanski, Info, Limitations of MSL
|
> I am missing a few features.
MSL did not start out as a fully featured programming language.
|
08 Jul 2019, Stefan Ritt, Info, Limitations of MSL
|
Sure some existing scripting languages can be used, but they fall short of a few important items in larger experiments:
- they are typically run from a local terminal in the counting house. A remote observer of the experiment has no idea which script is running and at which |
08 Jul 2019, Lukas Gerritzen, Info, Limitations of MSL
|
Thank you two!
Actually, both solutions would allow me to fix my problem and I can see use cases for both. Having everything web-based is useful in bigger setups. However, |
08 Jul 2019, Konstantin Olchanski, Info, Limitations of MSL
|
> Konstantin, would you mind resurrecting and sharing the python code?
Not until September or later.
|
09 Jul 2019, Stefan Ritt, Info, Limitations of MSL
|
> Yes, this has been the way to do it for years...
Calling odbedit -c ... ist certainly not the most effective way, but it works. I just tried on my Mac and found that I can call odbedit about 150 times |
08 Jul 2019, Konstantin Olchanski, Info, Limitations of MSL
|
Hi, Stefan, on second thought, I agree, I do not know of any scripting language implementation (packaged as a library or not) that
can store it's state in a file ("checkpoint the execution") and that can execute it's program "one line at a time", like the midas
sequencer does now. In the most severe case, one invocation of msequencer executes one line of the msl script.
|
16 Jul 2019, Lukas Gerritzen, Info, Limitations of MSL
|
Dear Stefan,
another thing which does not work is the comparison of floating point numbers.
|
30 Jul 2019, Stefan Ritt, Info, Limitations of MSL
|
> Would it be possible to add something like the following?
> 343 if (!isdigit(value1_var[i]) && value1_var[i] != '.')
> 344 break;
|
26 Jul 2019, Nik Berger, Bug Report, History/Endianness
|
Hi,
I have a bank of floats with slow control values that I store to the history and
ODB. When reading the history, both in the webbrowser and with mhist, the floats
|
21 Jul 2019, Konstantin Olchanski, Info, error handling is hard
|
Happy summer to everybody.
When programming in general, and when programming MIDAS, there is always a struggle
|
08 Jul 2019, Vinzenz Bildstein, Bug Report, Frontend killed at stop of run
|
I wrote a c++ frontend to read data from CAEN VX1730 digitizers which is used in
parallel with the GRIFFIN frontend to read out DESCANT.
|
08 Jul 2019, Konstantin Olchanski, Bug Report, Frontend killed at stop of run
|
> After a long overnight run to check that the frontend runs smoothly for a longer
> time, I stopped the run and the frontend was killed by midas.
|
08 Jul 2019, Vinzenz Bildstein, Bug Report, Frontend killed at stop of run
|
> run the frontend inside gdb and post the stack trace after the crash?
>
> if there is no crash (the program is stopped by exit()), you may need
|
08 Jul 2019, Konstantin Olchanski, Bug Report, Frontend killed at stop of run
|
> > run the frontend inside gdb and post the stack trace after the crash?
> >
> > if there is no crash (the program is stopped by exit()), you may need
|
08 Jul 2019, Vinzenz Bildstein, Bug Report, Frontend killed at stop of run
|
> > > run the frontend inside gdb and post the stack trace after the crash?
> > >
> > > if there is no crash (the program is stopped by exit()), you may need
|
08 Jul 2019, Konstantin Olchanski, Bug Report, Frontend killed at stop of run
|
> >
> > For SIGKILL, my gdb reports "Program terminated with signal SIGKILL, Killed." and there is no stack
> > trace. Is this what you see?
|
08 Jul 2019, Vinzenz Bildstein, Bug Report, Frontend killed at stop of run
|
> > >
> > > For SIGKILL, my gdb reports "Program terminated with signal SIGKILL, Killed." and there is no stack
> > > trace. Is this what you see?
|
10 Jul 2019, Vinzenz Bildstein, Bug Report, Frontend killed at stop of run
|
> > > >
> > > > For SIGKILL, my gdb reports "Program terminated with signal SIGKILL, Killed." and there is no stack
> > > > trace. Is this what you see?
|
10 Jul 2019, Konstantin Olchanski, Bug Report, Frontend killed at stop of run
|
> ... finding a current midas.log file
On the "help" page, see "midas.log".
|
11 Jul 2019, Vinzenz Bildstein, Bug Report, Frontend killed at stop of run
|
> > ... finding a current midas.log file
>
> On the "help" page, see "midas.log".
|
11 Jul 2019, Konstantin Olchanski, Bug Report, Frontend killed at stop of run
|
> Wed Jul 10 06:23:58 2019 [mhttpd,ERROR] [system.c:4580:ss_recv_net_command,ERROR] timeout receiving network command header
> Wed Jul 10 06:23:58 2019 [mhttpd,ERROR] [midas.c:10322:rpc_client_call,ERROR] call to "fedescant" on "grsmid00.triumf.ca" RPC "rc_transition": timeout
waiting for reply
|
16 Jul 2019, Konstantin Olchanski, Bug Report, a3818 and signals, Frontend killed at stop of run
|
Message from John M O'Donnell <odonnell@lanl.gov>
Folks,
|
16 Jul 2019, Konstantin Olchanski, Bug Report, a3818 and signals, Frontend killed at stop of run
|
> Message from John M O'Donnell <odonnell@lanl.gov>
>
> the A3818 and MIDAS both used unix alarm signals, resulting in clashes.
|
11 Jul 2019, Konstantin Olchanski, Bug Report, problems with the default mhttpd configuration
|
We installed recent mhttpd on a ubuntu machine and discovered a number of problems
with the default mhttpd settings.
|
11 Jul 2019, Konstantin Olchanski, Bug Report, problems with the default mhttpd configuration, also elogd
|
> It turns out that unlike CentOS-7, Ubuntu LTS 18.04 does not run a restrictive firewall
> and access to mhttpd ports 8080 and 8443 is not blocked
>
|
11 Jul 2019, Konstantin Olchanski, Bug Report, rework of mhttpd configuration
|
> Ubuntu LTS 18.04 does not run a restrictive firewall and access to mhttpd ports 8080 and 8443 is not
blocked.
|
11 Jul 2019, Stefan Ritt, Bug Report, rework of mhttpd configuration
|
> - this will activate the mhttpd password protection, so one would have to define a username and password
> in the .htdigest file (this is done by the mongoose web server library).
|
12 Jul 2019, Konstantin Olchanski, Bug Report, rework of mhttpd configuration
|
> > - this will activate the mhttpd password protection, so one would have to define a username and password
> > in the .htdigest file (this is done by the mongoose web server library).
>
|
05 Jul 2019, Hassan, Bug Report, Header files missing when trying to compile rootana, roody and analyzer
|
First of all thank you for all the assistance provided so far, especially making
changes to the code in CMakeList file previously for our configuration.I am not
sure whether this is an appropriate Elog for this matter but we are getting the
|
05 Jul 2019, Konstantin Olchanski, Bug Report, Header files missing when trying to compile rootana, roody and analyzer
|
> /home/hh19285/packages/rootana/include/TRootanaEventLoop.hxx:24:25: fatal error:
> THttpServer.h: No such file or directory
> #include "THttpServer.h"
|
10 Jul 2019, Hassan, Bug Report, Header files missing when trying to compile rootana, roody and analyzer
|
Hi, we have now done a clean install of Root and after some dynamic linking we have been able to make Rootana and analyzer. However we get an error when
we try to run analyzer.
--------------------------------------------------------------------------------------------------------------------------------------------------
|
10 Jul 2019, Konstantin Olchanski, Bug Report, Header files missing when trying to compile rootana, roody and analyzer
|
>> [hh19285@it038146 ~]$ which root-config
> /software/root/v6.06.08/bin/root-config
> [hh19285@it038146 ~]$ root-config --cflags
|
11 Jul 2019, Stefan Ritt, Bug Report, Header files missing when trying to compile rootana, roody and analyzer
|
> You can confirm that you are linking against the correct ROOT by running cmake with VERBOSE=1
> and examine the linker command line to see what library link path is specified for ROOT.
|
11 Jul 2019, Konstantin Olchanski, Bug Report, Header files missing when trying to compile rootana, roody and analyzer
|
> > You can confirm that you are linking against the correct ROOT by running cmake with VERBOSE=1
> > and examine the linker command line to see what library link path is specified for ROOT.
>
|
03 Jul 2019, Lukas Gerritzen, Bug Report, mhttpd crashes when including nonexistent script in msequencer
|
Hi,
the subject line describes the project already
Suppose you have a file foo.msl. Somewhere in the file, you have the line
|
10 Jul 2019, Stefan Ritt, Bug Report, mhttpd crashes when including nonexistent script in msequencer
|
The bug has been fixed. It was actually in the mxml library. So you have to go to the midas/mxml
subdirectory and update that one via "git pull origin master".
|
02 Jul 2019, Lukas Gerritzen, Suggestion, my_global.h not present in my linux distribution (needed)
|
Hey,
while trying to compile Midas under openSUSE 15.0 with mysql support, I was
|
02 Jul 2019, Konstantin Olchanski, Suggestion, my_global.h not present in my linux distribution (needed)
|
Confirmed. my_global.h is removed in MySQL 8.0 (gives a compile error) and deprecated in
MariaDB 10.2 (gives a #warning).
|
03 Jul 2019, Lukas Gerritzen, Suggestion, my_global.h not present in my linux distribution (needed)
|
Thanks! |
28 Jun 2019, Thorsten Lux, Bug Report, Status page reloads every second
|
Hello,
We observed a strange behavior, from our point of view:
|
28 Jun 2019, Konstantin Olchanski, Bug Report, Status page reloads every second
|
> We observed a strange behavior, from our point of view:
> ... the Midas status page started to reload/refresh every second
|
29 Jun 2019, Thorsten Lux, Bug Report, Status page reloads every second
|
I am sorry, yesterday evening I must have been a bit tired after a long day with a lot of
problems and error messages, so that I did not realize that yes, the frontend was finally
|
24 Jun 2019, Hassan, Bug Report, ERROR INSTALLING 32BIT MIDAS LIBRARIES ON 64BIT HOST MACHINE
|
Hi, we are part of the Mu3e research based at University of Bristol. We have a
remote 32 bit frontend (raspberry pi) connected to a 64 bit Data Acquisition
system.we are following the instructions at installation/quickstart linux/Build
|
24 Jun 2019, Stefan Ritt, Bug Report, ERROR INSTALLING 32BIT MIDAS LIBRARIES ON 64BIT HOST MACHINE
|
Why don't your try the (yet undocumented) new installation procedure:
$ git clone https://bitbucket.com/tmidas/midas --recursive
|
24 Jun 2019, Stefan Ritt, Bug Report, ERROR INSTALLING 32BIT MIDAS LIBRARIES ON 64BIT HOST MACHINE
|
Update: "make" instead of "make linux32" should also work. I believe the "linux32" target came
from some special case at TRIUMF for some FPGA embedded linux, which is not applicable for
the Raspberry Pi.
|
25 Jun 2019, Konstantin Olchanski, Bug Report, ERROR INSTALLING 32BIT MIDAS LIBRARIES ON 64BIT HOST MACHINE
|
Yikes, the error is in the CRC library. The assembly-optimized crc32c function fails to build, and the
error does not look familiar to me. I do not see this error here. What is your host system ("uname -
a") and what is your gcc ("gcc -v")?
|
26 Jun 2019, Hassan, Bug Report, ERROR INSTALLING 32BIT MIDAS LIBRARIES ON 64BIT HOST MACHINE
|
Thanks for your advice. We now have Midas installed on both our machines (remote machine-Rpi &
hostmachine-Centos).
|
27 Jun 2019, Konstantin Olchanski, Bug Report, make linux32 bombs on el7 in crc32c.c, ERROR INSTALLING 32BIT MIDAS LIBRARIES ON 64BIT HOST MACHINE
|
Reproduced on el7 (CentOS7). Same thing works on el6 (SL6).
The error is in the SSE4.2-assembly-accelerated library for computing crc32c checksums. I do
|
28 Jun 2019, Konstantin Olchanski, Bug Report, make linux32 bombs on el7 in crc32c.c, ERROR INSTALLING 32BIT MIDAS LIBRARIES ON 64BIT HOST MACHINE
|
> Reproduced on el7 (CentOS7). Same thing works on el6 (SL6).
Fixed in commit dd937e6. Only enable SSE4.2 crc32c for 64-bit compilation. Still not sure why it worked for 32-bit
|
27 Jun 2019, Hassan, Bug Report, Getting an error when trying to compile a frontend file
|
When we run the following commands on the hostname(DAQ machine) and the remote
frontend(Rpi):
cd $HOME/online
|
27 Jun 2019, Konstantin Olchanski, Bug Report, Getting an error when trying to compile a frontend file
|
If the latest midas does not work, try the previous release versions. "git tags" and "git branch -
a" will show you what exists. Look for branch and tag names in the form "midas-YYYY-MM".
|
27 Jun 2019, Stefan Ritt, Bug Report, Getting an error when trying to compile a frontend file
|
Note that the example experiment compiles a simple example frontend and a root-based analyzer. If you don't have
ROOT installed, you of course cannot compile the analyzer. If you don't need the analyzer, remove it from the
Makefile/CMakeLists.txt
|
19 Jun 2019, Konstantin Olchanski, Release, midas-2019-06 with cmake and c++
|
We are happy to the midas release "midas-2019-06" with the build system implemented in cmake and the midas, mxml and mscb
projects switched to C++.
|
27 Jun 2019, Stefan Ritt, Release, midas-2019-06 with cmake and c++
|
Please note that
"make cmake" / "make cmake3"
|
27 Jun 2019, Hassan, ,
|
|
26 Jun 2019, Hassan, Forum, Problem transferring fetest data from the remote frontend to the backend
|
Hi again, we now have Midas installed on the Rpi (remote frontend machine) and
have managed to run Fetest on it. Now we are at a stage where we want to send
the Fetest data over to the Data Acquisition machine, which also has Midas
|
26 Jun 2019, Konstantin Olchanski, Forum, Problem transferring fetest data from the remote frontend to the backend
|
> Hi again, we now have Midas installed on the Rpi (remote frontend machine) and
> have managed to run Fetest on it. Now we are at a stage where we want to send
> the Fetest data over to the Data Acquisition machine ...
|
12 Jun 2019, Marius Koeppel, Forum, Strange JS array creation
|
Hello everybody,
I have a strange JS behavior. In one of my frontends I create a key in the ODB with:
|
17 Jun 2019, Konstantin Olchanski, Forum, Strange JS array creation
|
> db_create_key(hDB, 0, "Equipment/Switching/Variables/DATA_WRITE", TID_INT);
you can also do this from javascript, too, using the db_create rpc call, see mjsonrpc_db_create() and
|
24 Jun 2019, Marius Koeppel, Forum, Strange JS array creation
|
> > for (i = 0; i < lines.length; i++) {
> > modbset("/Equipment/Switching/Variables/DATA_WRITE[" + String(i) + "]", parseInt(lines[i]));
> > }
|
25 Jun 2019, Konstantin Olchanski, Forum, Strange JS array creation
|
> --> In the midas back-end I never created an array. I created an INT in the ODB with db_create_key(hDB, 0,
> "Equipment/Switching/Variables/DATA_WRITE", TID_INT). By using modset in javascript and parsing the string
> "/Equipment/Switching/Variables/DATA_WRITE[" + String(i) + "]" I call it like an array and it shows up like an
|
17 Jun 2019, Konstantin Olchanski, Bug Fix, removed modbset() from mhttpd.js
|
The modbset() function in mhttpd.js is not used anywhere in midas and it misleads midas users into thinking that it works like the old ODBSet() function,
when
it can not and it does not.
|
17 Jun 2019, Stefan Ritt, Bug Fix, removed modbset() from mhttpd.js
|
I disagree. The modbset() function is used in many custom pages at PSI because people are tired of typing mjsonrpc_db_paste([path],[value]) vs. modbset(path,
value). We need to keep
modbset() which is well documented at
|
17 Jun 2019, Konstantin Olchanski, Bug Fix, removed modbset() from mhttpd.js
|
If it's a function intended for general use, it should be in midas.js.
The documentation for such a function should be made very clear that:
|
17 Jun 2019, Konstantin Olchanski, Bug Fix, restored modbset() in midas.js
|
> The modbset() function is used in many custom pages at PSI ...
I restored this function in midas.js with a documentation blurb warning about it's asynchronous nature and about the possibility of out-of-order writes.
|
17 Jun 2019, Stefan Ritt, Bug Fix, removed modbset() from mhttpd.js
|
A ladder of promise event handlers is certainly one possibility to enforce the order of ODB writes, but I wonder if we could so something simpler:
- modbset creates an object remembering the status of the RPC request. Initially, this object receives the status "open request"
|
18 Jun 2019, Konstantin Olchanski, Bug Fix, removed modbset() from mhttpd.js
|
> A ladder of promise event handlers is certainly one possibility to enforce the order of ODB writes, but I wonder if we could so something simpler:
>
> - modbset creates an object remembering the status of the RPC request. Initially, this object receives the status "open request"
|
18 Jun 2019, Stefan Ritt, Bug Fix, removed modbset() from mhttpd.js
|
Just to make this point clear: The "write-to-odb-read-via-hotlink" was never meant to guarantee the receiving side to see each change. If changes happen
too often, updates might get lost. If one relies on the
sequence of updates, one should use direct RPC calls to the frontend or use a midas buffer and encode updates in events.
|
18 Jun 2019, Konstantin Olchanski, Bug Fix, removed modbset() from mhttpd.js
|
> Just to make this point clear: The "write-to-odb-read-via-hotlink" was never meant to guarantee the receiving side to see each change. If changes happen
too often, updates might get lost. If one relies on the
> sequence of updates, one should use direct RPC calls to the frontend or use a midas buffer and encode updates in events.
|
28 May 2019, Stefan Ritt, Info, MIDAS switching to Cmake
|
Great news! I got convinced by some colleagues to switch midas to Cmake. After spending about one day, I wrote some initial CMakeLists.txt file and am so
excited about the advantages that I regret
not having done this step much earlier. Here is some information:
|
28 May 2019, Konstantin Olchanski, Info, MIDAS switching to Cmake
|
> Great news!
Some additional information.
|
28 May 2019, Stefan Ritt, Info, MIDAS switching to Cmake
|
> > - After successful compilation, all programs and libraries are in the "build" directory
> >
|
29 May 2019, Stefan Ritt, Info, MIDAS switching to Cmake
|
>
> > > - After successful compilation, all programs and libraries are in the "build" directory
> > >
|
03 Jun 2019, Konstantin Olchanski, Info, MIDAS switching to Cmake
|
> 1) cmake3 is available on all currently supported systems:
>
> - SL6 (el6), CentOS7 (el7): yum install cmake3 (from EPEL) (invoke as "cmake3")
|
05 Jun 2019, Konstantin Olchanski, Info, MIDAS switching to Cmake
|
Status update on the cmake conversion:
- we have cmake builds working on all supported systems (el6, el7, ubuntu 18.04 LTS, macos 10.13, 10.14)
|
17 Jun 2019, Konstantin Olchanski, Info, MIDAS switching to Cmake
|
> Status update on the cmake conversion:
It looks like cmake cannot do several things we need for building midas.
|
17 Jun 2019, Konstantin Olchanski, Info, MIDAS switching to Cmake
|
> > Status update on the cmake conversion:
After the latest updates from Stefan & co, it looks like the cmake builds are working correctly,
|
17 Jun 2019, Stefan Ritt, Info, MIDAS switching to Cmake
|
> - it looks like cmake does not like building variant executables and object files, i.e. "with ROOT" and "without ROOT".
>
> I need to set "-DHAVE_ROOT" for building "with ROOT" and unset it via remove_definitions() for building "without ROOT",
|
18 Jun 2019, Konstantin Olchanski, Info, MIDAS switching to Cmake
|
> target_compile_options(rmlogger PRIVATE -DHAVE_ROOT)
Got it. Now I can build the duplets of mana.o and rmana.o (and .a) - mana always without ROOT, rmana with ROOT if available. This is the same as
|
28 Mar 2019, Konstantin Olchanski, Release, midas-2019-03-f
|
the midas release 2019-03 is ready for general use.
main changes from previous releases (midas-2017-10, midas-2018-12 and midas-2019-02):
|
22 May 2019, Konstantin Olchanski, Release, midas-2019-03-g
|
> the midas release 2019-03 is ready for general use.
first ever bug fix release on a git release branch.
|
06 Jun 2019, Konstantin Olchanski, Release, midas-2019-03-h
|
> > the midas release 2019-03 is ready for general use.
A bug fix update for midas-2019-03:
|
10 Jun 2019, Konstantin Olchanski, Release, mxml-2019-03-a, midas-2019-03-h
|
> > > the midas release 2019-03 is ready for general use.
> A bug fix update for midas-2019-03:
> odbedit "ver" should report: Thu Jun 6 18:02:14 2019 -0700 - midas-2019-03-h on branch feature/midas-2019-03
|
10 Jun 2019, Konstantin Olchanski, Release, bin and lib symlinks, mxml-2019-03-a, midas-2019-03-h
|
> > > > the midas release 2019-03 is ready for general use.
The latest version of MIDAS puts libraries and executables in $MIDASSYS/lib and bin (the "linux" part of pathname is removed).
|
11 Jun 2019, Stefan Ritt, Release, bin and lib symlinks, mxml-2019-03-a, midas-2019-03-h
|
> The latest version of MIDAS puts libraries and executables in $MIDASSYS/lib and bin (the "linux" part of pathname is removed).
>
> Some packages (rootana) have been already changed to use this new scheme and they will not build against older versions of midas.
|
17 Jun 2019, Konstantin Olchanski, Release, bin and lib symlinks, mxml-2019-03-a, midas-2019-03-h
|
>
> If i'm not mistaken the proper commands are
>
|
03 Jun 2019, Konstantin Olchanski, Forum, midas wiki updated to mediawiki 1.27.5
|
the midas wiki was updated to the latest LTS point release 1.27.5.
Also, an installation error was fixed that prevented confirmation of new accounts (git checkout
|
07 Jun 2019, Konstantin Olchanski, Forum, midas wiki updated to mediawiki 1.27.7
|
the midas wiki was updated to the latest LTS point release 1.27.7, the latest (last?) security update.
mediawiki series 1.27 is now officially EOL, see
|
29 May 2019, Suzannah Daviel, Suggestion, Replacing MIDAS status page with custom status page
|
Replacing the MIDAS status page with a custom status page documented at
https://midas.triumf.ca/MidasWiki/index.php/Custom_Page_Features#Replace_Status_Page_by_a_Custom_page
|
31 May 2019, Stefan Ritt, Suggestion, Replacing MIDAS status page with custom status page
|
> Replacing the MIDAS status page with a custom status page documented at
>
> https://midas.triumf.ca/MidasWiki/index.php/Custom_Page_Features#Replace_Status_Page_by_a_Custom_page
|
28 Mar 2019, Gennaro Tortone, Bug Report, rmlogger - bk_swap( )
|
Hi,
|
28 Mar 2019, Konstantin Olchanski, Bug Report, rmlogger - bk_swap( )
|
> if I use 'rmlogger' to write ROOT event files after few seconds from
> START rmlogger fails with this:
>
|
28 Mar 2019, Konstantin Olchanski, Bug Report, rmlogger - bk_swap( )
|
> > if I use 'rmlogger' to write ROOT event files after few seconds from
> > START rmlogger fails with this:
> >
|
29 Mar 2019, Gennaro Tortone, Bug Report, rmlogger - bk_swap( )
|
Hi,
|
29 Mar 2019, Konstantin Olchanski, Bug Report, rmlogger - bk_swap( )
|
> #5 <signal handler called>
> #6 bk_swap (event=event
> #7 0x000244f0 in root_write (log_chn=0x17ec188, pevent=0x0, evt_size=<optimized out>) at src/mlogger.cxx:3364
|
06 May 2019, Konstantin Olchanski, Bug Report, rmlogger - bk_swap( )
|
> > #5 <signal handler called>
> > #6 bk_swap (event=event
> > #7 0x000244f0 in root_write (log_chn=0x17ec188, pevent=0x0, evt_size=<optimized out>) at src/mlogger.cxx:3364
|
28 Mar 2019, Gennaro Tortone, Bug Fix, rmlogger events - double counting
|
Hi,
|
28 Mar 2019, Konstantin Olchanski, Bug Fix, rmlogger events - double counting
|
> I realized that if I use 'rmlogger' to write events in ROOT format,
> each event is counted twice;
>
|
29 Mar 2019, Gennaro Tortone, Bug Fix, rmlogger events - double counting
|
Hi,
> I confirm this problem - event counter is incremented by root_write() and by log_write() after calling
|
29 Mar 2019, Konstantin Olchanski, Bug Fix, rmlogger events - double counting
|
>
> > BTW, I do not think the ROOT writer (and rmlogger) get much use these days ...
>
|
16 Mar 2019, Gennaro Tortone, Forum, assertion failed
|
Hi,
I'm developing a Slow Control equipment on a Linux board that send data on a remote server
|
18 Mar 2019, Konstantin Olchanski, Forum, assertion failed
|
> [dfe01,INFO] Slow control equipment initialized
> dfe: src/midas.c:838: cm_msg_flush_buffer: Assertion `rp[3]=='_'' failed.
> if I remove line 838 from midas.c (fixing message length) the problem disappear...
|
19 Mar 2019, Gennaro Tortone, Forum, assertion failed
|
> > [dfe01,INFO] Slow control equipment initialized
> > dfe: src/midas.c:838: cm_msg_flush_buffer: Assertion `rp[3]=='_'' failed.
> > if I remove line 838 from midas.c (fixing message length) the problem disappear...
|
28 Mar 2019, Konstantin Olchanski, Forum, assertion failed
|
For the record, I am stumped by this problem. We have definitely ruled out any data overflow inside the midas message code (there are no
long messages sent). My only guess is that the frontend itself is corrupting the midas message buffer, but this corruption
must be unlikely lucky to corrupt just the "_" character (and maybe what follows it) from the "MSG_" header inside the buffer.
|
18 Mar 2019, Andreas Suter, Bug Report, mhttpd - slowcontrol frontend - multi class driver
|
When using a slowcontrol frontend which operates a device using the multi class
driver the current midas version (ec3225902d6) has the following issue:
|
18 Mar 2019, Konstantin Olchanski, Bug Report, mhttpd - slowcontrol frontend - multi class driver
|
> When using a slowcontrol frontend which operates a device using the multi class
> driver the current midas version (ec3225902d6) has the following issue:
>
|
25 Mar 2019, Konstantin Olchanski, Bug Report, mhttpd - slowcontrol frontend - multi class driver
|
Fixed in https://bitbucket.org/tmidas/midas/commits/e2c4871026121ed1cc44a69b9e3e2d428a6c84d1
The link was pointing to the wrong place - going to ODB instead of staying on the same page.
|
27 Feb 2019, Konstantin Olchanski, Info, mhttpd magic urls
|
Here is the list of mhttpd magic URLs.
http "get" path:
|
28 Feb 2019, Konstantin Olchanski, Info, resource file search path, mhttpd magic urls
|
> url contains midas.js -> send_resource("midas.js")
mhttpd looks for resource files in these directories in this order:
|
05 Mar 2019, Konstantin Olchanski, Info, mhttpd magic urls
|
> Here is the list of mhttpd magic URLs.
See additional magic URLs at the very bottom:
|
06 Mar 2019, Konstantin Olchanski, Info, mhttpd magic urls
|
> > Here is the list of mhttpd magic URLs.
> See additional magic URLs at the very bottom:
|
21 Mar 2019, Konstantin Olchanski, Info, mhttpd magic urls
|
> > > Here is the list of mhttpd magic URLs.
> > See additional magic URLs at the very bottom:
>
|
01 Mar 2019, Konstantin Olchanski, Info, Gyrations of custom pages and ODB /Custom/Path
|
Before the days of javascript and ajax and web 2.0, MIDAS introduced "custom pages" for
building graphical display that could show "live" data from MIDAS and that could
have buttons and controls to operate slow controls equipment, etc.
|
04 Mar 2019, Stefan Ritt, Info, Gyrations of custom pages and ODB /Custom/Path
|
Parsing all URL in mhttpd to prevent /etc/passwd etc. to be returned is tricky, because people can use escape sequences etc. Therefore I think it is much
better to restrict file access
on the file system level when opening a file. The only escape there one could have is "..", which can be tested easily.
|
04 Mar 2019, Thomas Lindner, Info, Gyrations of custom pages and ODB /Custom/Path
|
Hi Stefan and Konstantin,
I think that this proposal sounds fairly reasonable. I agree that we might as well move to a secure final solution at this point.
|
04 Mar 2019, Stefan Ritt, Info, Gyrations of custom pages and ODB /Custom/Path
|
Sounds reasonable to me.
Stefan
|
04 Mar 2019, Suzannah Daviel, Info, Gyrations of custom pages and ODB /Custom/Path
|
I see two separate issues here.
One is restricting the custom pages to ONE directory such as
|
04 Mar 2019, Konstantin Olchanski, Info, Gyrations of custom pages and ODB /Custom/Path
|
Hi, guys, as I was exploring the code and the commit history on Thursday (git rules!) and
as I worked on getting the old custom files to work with Suzannah on Friday, I think
I know how I want this code to work. I think there is no need to break with the old
|
05 Mar 2019, Stefan Ritt, Info, Gyrations of custom pages and ODB /Custom/Path
|
First, I did not propose to give up the /Custom tree in the ODB, sorry for the misunderstanding. We still need it in order to display the menu with the
custom pages at the left side navigation bar. In principle all can stay like it is, except we remove /Custom/Path and rewrite the file server to restrict
it only
|
05 Mar 2019, Thomas Lindner, Info, Gyrations of custom pages and ODB /Custom/Path
|
> First, I did not propose to give up the /Custom tree in the ODB, sorry for the misunderstanding. We still need it in order to display the menu with the
custom pages at the left side navigation bar. In principle all can stay like it is, except we remove /Custom/Path and rewrite the file server to restrict
it only
|
05 Mar 2019, Konstantin Olchanski, Info, Gyrations of custom pages and ODB /Custom/Path
|
>
> That sounds fine, as long as it is clearly documented.
>
|
05 Mar 2019, Konstantin Olchanski, Info, Gyrations of custom pages and ODB /Custom/Path
|
> First, I did not propose to give up the /Custom tree in the ODB, sorry for the misunderstanding.
> We still need it in order to display the menu with the custom pages at the left side navigation bar.
> In principle all can stay like it is, except we remove /Custom/Path and rewrite the file server to restrict it only
|
05 Mar 2019, Stefan Ritt, Info, Gyrations of custom pages and ODB /Custom/Path
|
I stop the discussion here because it goes in circles. We can't convince each others, so somebody has to give up, and that's me.
> We have several large installations at TRIUMF that use the old-style custom pages - MUSR, BNMR/BNQR, TITAN (and more?) -
|
05 Mar 2019, Konstantin Olchanski, Info, Gyrations of custom pages and ODB /Custom/Path
|
> > We have several large installations at TRIUMF that use the old-style custom pages - MUSR, BNMR/BNQR, TITAN (and more?) -
> > none of these experiments are going away any time soon and none of these custom pages are rewriting themselves.
>
|
05 Mar 2019, Stefan Ritt, Info, Gyrations of custom pages and ODB /Custom/Path
|
> The biggest problem so far we have seen is with some pages having incorrect form submission
> settings - some forms use the wrong form "action" attribute, which worked before, we do not know
> why, and definitely does not work now. This is not something that we can fix on the midas side.
|
06 Mar 2019, Konstantin Olchanski, Info, Gyrations of custom pages and ODB /Custom/Path
|
> > The biggest problem so far we have seen is with some pages having incorrect form submission
> > settings - some forms use the wrong form "action" attribute, which worked before, we do not know
> > why, and definitely does not work now. This is not something that we can fix on the midas side.
|
05 Mar 2019, Stefan Ritt, Info, Gyrations of custom pages and ODB /Custom/Path
|
> - mhttpd cannot serve /etc/passwd by default as "/" is forbidden in file names added to /Custom/Path.
You do this with a simple
|
05 Mar 2019, Konstantin Olchanski, Info, Gyrations of custom pages and ODB /Custom/Path
|
> > - mhttpd cannot serve /etc/passwd by default as "/" is forbidden in file names added to /Custom/Path.
> You do this with a simple
> if (custom_path == "/")
|
05 Mar 2019, Stefan Ritt, Info, Gyrations of custom pages and ODB /Custom/Path
|
> > > - mhttpd cannot serve /etc/passwd by default as "/" is forbidden in file names added to /Custom/Path.
> > You do this with a simple
> > if (custom_path == "/")
|
05 Mar 2019, Konstantin Olchanski, Info, Gyrations of custom pages and ODB /Custom/Path
|
> Just set
> /Custom/Path = /./
> which is allowed right now and then access etc/passwd, which translates to /./etc/passwd and then you get the password file.
|
14 Mar 2019, Konstantin Olchanski, Info, Gyrations of custom pages and ODB /Custom/Path
|
I now understand Stefan's and Thomas's proposal a little bit better.
In my mind only one issue remains - when we say "we will serve files from directory X", how
|
14 Mar 2019, Konstantin Olchanski, Info, Gyrations of custom pages and ODB /Custom/Path
|
> In my mind only one issue remains - when we say "we will serve files from directory X", how
> to we prevent mhttpd from serving files outside this directory by using trick URLs containing ".."
> and/or other gimmicks.
|
14 Mar 2019, Konstantin Olchanski, Info, Gyrations of custom pages and ODB /Custom/Path
|
> > In my mind only one issue remains - when we say "we will serve files from directory X", how
> > to we prevent mhttpd from serving files outside this directory by using trick URLs containing ".."
> > and/or other gimmicks.
|
21 Mar 2019, Konstantin Olchanski, Info, Gyrations of custom pages and ODB /Custom/Path
|
> In my mind only one issue remains - when we say "we will serve files from directory X", how
> to we prevent mhttpd from serving files outside this directory by using trick URLs containing ".."
> and/or other gimmicks.
|
21 Mar 2019, Konstantin Olchanski, Info, Gyrations of custom pages and ODB /Custom/Path
|
> Before the days of javascript and ajax and web 2.0, MIDAS introduced "custom pages" for
> building graphical display that could show "live" data from MIDAS and that could
> have buttons and controls to operate slow controls equipment, etc.
|
14 Mar 2019, Konstantin Olchanski, Info, switch to json odb dump format
|
Regarding odb dumps saved into the midas output files, there are several
requests to make it possible to save odb in the json format.
|
18 Jan 2019, Konstantin Olchanski, Info, bitbucket issue tracker "feature"
|
It turns out the bitbucket issue tracker has a feature - I cannot make it automatically add me
to the watcher list of all new issues.
|
14 Mar 2019, Konstantin Olchanski, Info, bitbucket issue tracker "feature"
|
> It turns out the bitbucket issue tracker has a feature - I cannot make it automatically add me
> to the watcher list of all new issues.
>
|
02 Mar 2019, Pintaudi Giorgio, Forum, Best MIDAS branch/version for "production"
|
Hello!
My name is Giorgio Pintaudi and I am a Ph.D. student at Yokohama National
University (Japan). I also happen to be a T2K collaborator.
|
04 Mar 2019, Konstantin Olchanski, Forum, Best MIDAS branch/version for "production"
|
Hi, Giorgio - you are asking excellent questions. I will try to answer them, but as ever, there are no
easy answers.
|
04 Mar 2019, Pintaudi Giorgio, Forum, Best MIDAS branch/version for "production"
|
Hi Konstantin,
thank you for the very in-depth answer. Right now I am using the latest version of MIDAS (the head of the
develop branch) and I have not noticed any bugs or problems in the MIDAS code, except the ones that I
|
05 Mar 2019, Konstantin Olchanski, Forum, Best MIDAS branch/version for "production"
|
>
> PS other than the code peculiar to our experiment, I have made a little modification to the MIDAS install
> Makefile (I noticed that there is an "install" target but not an "uninstall" target so I wrote it).
|
05 Mar 2019, Stefan Ritt, Forum, Best MIDAS branch/version for "production"
|
> Hmm... for most experiments, we do not "install" midas. I should probably remove the "install" target from the Makefile.
|
06 Mar 2019, Pintaudi Giorgio, Forum, Best MIDAS branch/version for "production"
|
> > Hmm... for most experiments, we do not "install" midas. I should probably remove the "install" target from the Makefile.
>
>
|
06 Mar 2019, Konstantin Olchanski, Forum, Best MIDAS branch/version for "production"
|
> > > Hmm... for most experiments, we do not "install" midas. I should probably remove the "install" target from the Makefile.
>
> install MIDAS in the /opt/midas folder to remain consistent with the other programs that we are using for
|
06 Mar 2019, Pintaudi Giorgio, Forum, Best MIDAS branch/version for "production"
|
> I see. Would this work as well? Instead of "make install" do this:
> su - root
> cd /opt
|
13 Mar 2019, Konstantin Olchanski, Forum, systemd unit file for mhttpd
|
> > Can you post your systemd unit file to this elog, others may find it useful.
Thank you very much!
|
13 Mar 2019, Pintaudi Giorgio, Forum, systemd unit file for mhttpd
|
> Note: user name "neo" and home directory is hardwired into the unit file. Also
> it runs after "network.target", this may be too early, it should run after nis and autofs
> have started (and made home directories accessible). (not sure what systemd target
|
14 Mar 2019, Konstantin Olchanski, Forum, systemd unit file for mhttpd
|
> As far as NIS is concerned, I am sorry but I don't know how it is used by MIDAS.
NIS is traditionally used together with autofs to form clusters of UNIX/Linux machines. NIS is a database
|
11 Mar 2019, Francesco Renga, Forum, Run length
|
Dear all,
I need to implement a DAQ sequence where a short run (100 events, which takes a couple of
minutes) is taken every hour, with a long run in between two short runs. In the sequencer, I can do:
|
12 Mar 2019, Stefan Ritt, Forum, Run length
|
> Is there a way to start the short run exactly 1 h after the starting
> of the previous short run?
|
12 Mar 2019, Pierre Gorel, Forum, Run length
|
>
> .... some ODB settings ....
|
13 Mar 2019, Konstantin Olchanski, Forum, Run length
|
I did not quite understand your desired sequence, is this what you want:
- at 1pm
|
12 Mar 2019, Francesco Renga, Forum, Problem stopping every second run
|
Dear all,
I'm running a DAQ frontend and it works well if one single run is
taken. If I try to take a second run right after, the run is performed but, when
|
13 Mar 2019, Konstantin Olchanski, Forum, Problem stopping every second run
|
> I'm running a DAQ frontend and it works well if one single run is
> taken. If I try to take a second run right after, the run is performed but, when
> stopping it, I get the error messages below. Any hint?
|
20 Feb 2019, Konstantin Olchanski, Info, odb needs protection against ctrl-c
|
Even with the cm_watchdog signal removed, some trouble from UNIX signals remains.
This time, when one presses Ctrl-C at the wrong time, the Ctrl-C signal handler will run at the wrong time
|
20 Feb 2019, Stefan Ritt, Info, odb needs protection against ctrl-c
|
Not sure if you realized, but there is a two-stage Ctrl-C handling inside midas. The first time you hit ctrl-c, the handler just sets a flag for the main
event loop, so that the program can gracefully exit without trouble. This is
done inside cm_ctrlc_handler(), which sets _ctrlc_pressed true if called. Then cm_yield() tests this flag and returns RPC_SHUTDOWN if so. I agree not very |
20 Feb 2019, Konstantin Olchanski, Info, odb needs protection against ctrl-c
|
> Not sure if you realized, but there is a two-stage Ctrl-C handling inside midas.
Hmm... I am looking at the ctrl-c handler inside odbedit.
|
20 Feb 2019, Stefan Ritt, Info, odb needs protection against ctrl-c
|
Have you read what I wrote? The current ctrl-c handler just sets the _ctrlc_pressed flag. It might be that some programs do not correctly interprete the
return of cm_yield(), certainly the frontend does it correctly. On the SECOND ctrl-c, the program gets
(internally) hard aborted, equivalent to calling abort(). Not sure if the code works everywhere, I see now that cm_yield(() should maybe return SS_ABORT |
20 Feb 2019, Konstantin Olchanski, Info, odb needs protection against ctrl-c
|
Commit f81ff3c protects db_lock/unlock, but not any of the other functions. What if we do ctrl-c in the middle
of some odb write operation in the middle of memory allocation, etc.
|
11 Feb 2019, Konstantin Olchanski, Info, json-rpc request for ODB /Script and /CustomScript.
|
I added json-rpc requests for ODB /Script and /CustomScript (the first one shows up on the status page in the left hand side menu, the
second one is "hidden", intended for use by custom pages).
|
14 Jan 2019, Becky Chislett, Bug Report, Custom script with new MIDAS
|
I am having difficulty getting the custom scripts to work within the updated MIDAS. Before the
update I was using something like :
|
18 Jan 2019, Konstantin Olchanski, Bug Report, Custom script with new MIDAS
|
> I am having difficulty getting the custom scripts to work within the updated MIDAS. Before the
> update I was using something like :
>
|
22 Jan 2019, Stefan Ritt, Bug Report, Custom script with new MIDAS
|
I just check that feature and found it's still working as expected.
On trap I fell in was that a custom page needs the <input type=submit ...> to be imbedded into a pair of
|
24 Jan 2019, Konstantin Olchanski, Bug Report, Custom script with new MIDAS
|
> <input type=submit name=customscript value="test">
Stefan is right, input-type-submit has to be inside a form. This type of rpc call is "old school". Today, we should
|
24 Jan 2019, Andreas Suter, Suggestion, json rpc API for history data
|
For us it would be a handy feature if history data could be requested directly
from a custom page (time range or run based intervals) . Here I am not talking
about history plots but I am talking about recorded time series data. This way
|
24 Jan 2019, Konstantin Olchanski, Suggestion, json rpc API for history data
|
> For us it would be a handy feature if history data could be requested directly
> from a custom page (time range or run based intervals) . Here I am not talking
> about history plots but I am talking about recorded time series data. This way
|
10 Jan 2019, Konstantin Olchanski, Info, removal of cm_watchdog()
|
cm_watchdog() has been removed from the latest midas sources. The watchdog functions performed by cm_watchdog() were
moved to cm_yield() - those are - maintaining odb and event buffer "last active" timestamps and checking for and removing of
timed-out clients.
|
21 Jan 2019, Konstantin Olchanski, Info, removal of cm_watchdog()
|
> cm_watchdog() has been removed from the latest midas sources
> Removal of cm_watchdog() solves many problems in the midas code base:
|
24 Jan 2019, Konstantin Olchanski, Info, removal of cm_watchdog()
|
> > cm_watchdog() has been removed from the latest midas sources
> > Removal of cm_watchdog() solves many problems in the midas code base:
> Removal of cm_watchdog() creates new problems:
|
28 Dec 2018, Konstantin Olchanski, Info, note on the midas event buffer code, part 1
|
In this technical note, I write down the workings of the midas event buffer code, the path
that events travel from the frontend to the SYSTEM buffer to mlogger (and to disk).
|
28 Dec 2018, Konstantin Olchanski, Info, note on the midas event buffer code, part 2, bm_send_event()
|
> In this technical note, I write down the workings of the midas event buffer code
> we need to understand and write down how the event buffer code works.
|
28 Dec 2018, Konstantin Olchanski, Info, note on the midas event buffer code, part 3, rpc_send_event()
|
> In this technical note, I write down the workings of the midas event buffer code
> we need to understand and write down how the event buffer code works.
> bm_send_event() does this ...
|
28 Dec 2018, Konstantin Olchanski, Info, note on the midas event buffer code, part 4, reading from event buffer
|
> > In this technical note, I write down the workings of the midas event buffer code
> > we need to understand and write down how the event buffer code works.
> > bm_send_event() does this ...
|
02 Jan 2019, Konstantin Olchanski, Info, note on the midas event buffer code, part 5, bm_read_buffer()
|
> > > In this technical note, I write down the workings of the midas event buffer code
> > > we need to understand and write down how the event buffer code works.
> > > bm_send_event() does this ...
|
02 Jan 2019, Konstantin Olchanski, Info, note on the midas event buffer code, part 6, reading events through the mserver
|
> > > > In this technical note, I write down the workings of the midas event buffer code
> > > > we need to understand and write down how the event buffer code works.
> > > > bm_send_event() does this ...
|
03 Jan 2019, Konstantin Olchanski, Info, note on the midas event buffer code, part 7, event buffer polling frequencies
|
> > > > > In this technical note, I write down the workings of the midas event buffer code
> > > > > we need to understand and write down how the event buffer code works.
> > > > > bm_send_event() does this ...
|
03 Jan 2019, Konstantin Olchanski, Info, note on the midas event buffer code, part 8, writer and reader communications
|
> > > > > > In this technical note, I write down the workings of the midas event buffer code
Event buffer readers and writers need to communicate following information:
|
10 Jan 2019, Konstantin Olchanski, Info, note on the midas event buffer code, part 8, writer and reader communications
|
> > > > > > > In this technical note, I write down the workings of the midas event buffer code
> Event buffer readers and writers need to communicate following information:
>
|
10 Jan 2018, Andreas Suter, Bug Report, mhttpd - custom page - RHEL/Fedora
|
Description of the problem (starting with 61be7a1):
When starting a new experiment, creating a fresh ODB and than adding the
|
11 Jan 2018, Konstantin Olchanski, Bug Report, mhttpd - custom page - RHEL/Fedora
|
> [mhttpd,ERROR] [mhttpd.cxx:563:rread,ERROR] Cannot read file '/root', read of
> 4096 returned -1, errno 21 (Is a directory)
|
12 Jan 2018, Stefan Ritt, Bug Report, mhttpd - custom page - RHEL/Fedora
|
> In any case, IMO, mhttpd has no business serving the contents of /root,
> or serving any files outside of the mhttpd user $HOME directory. (but also
> should not serve files from ~user/.ssh, or any other "secret" files, good
|
26 Dec 2018, Konstantin Olchanski, Bug Report, mhttpd - custom page - RHEL/Fedora
|
> > [mhttpd,ERROR] [mhttpd.cxx:563:rread,ERROR] Cannot read file '/root', read of
> > 4096 returned -1, errno 21 (Is a directory)
>
|
21 Dec 2018, Stefan Ritt, Bug Report, mhttpd - custom page - RHEL/Fedora
|
I implemented that fix. Thank you to Andreas. Creating "Custom" directory from the web now does
not have that problem any more.
|
26 Dec 2018, Konstantin Olchanski, Bug Report, mhttpd - custom page - RHEL/Fedora
|
> I implemented that fix. Thank you to Andreas. Creating "Custom" directory from the web now does
> not have that problem any more.
|
27 Dec 2018, Stefan Ritt, Bug Report, mhttpd - custom page - RHEL/Fedora
|
> BTW, "the fix" in mhttpd unconditionally creates /Custom/Path and sets it to the value of $MIDASSYS. This path
> seems to be prepended to all file paths, so this fix also breaks the normal use of /Custom/xxx that contain the full
> path name of the file to serve...
|
27 Dec 2018, Konstantin Olchanski, Bug Report, mhttpd - custom page - RHEL/Fedora
|
> I still strongly believe that mhttpd should not serve arbitrary files (only serve files explicitly listed in ODB) or as next best option,
> only serve files from subdirectories explicitly listed in ODB.
>
|
05 Dec 2018, Konstantin Olchanski, Info, Partial refactoring of ODB code
|
The current ODB code has several structural problems and I think I now figured out how to straighten them out.
Here is the problems:
|
11 Dec 2018, Stefan Ritt, Info, Partial refactoring of ODB code
|
All makes sense to me. I agree to proceed with the refactoring.
One additional comment: In the 90's when I developed this code, locking was expensive. On a decent computer you could do a couple of thousand lock operations |
26 Dec 2018, Konstantin Olchanski, Info, Partial refactoring of ODB code
|
> One additional comment: In the 90's when I developed this code, locking was expensive.
> Now the world has changed, we can do almost a million locks a second.
|
27 Dec 2018, Stefan Ritt, Info, Partial refactoring of ODB code
|
> I am not sure this is quite true. The CPU can execute 3000 million operations per second (3GHz CPU, assuming 1 op/Hz),
> so 1 lock operation is worth 3000 normal operations. Of course cache misses and branch mispredictions mess up
> this simple arithmetic...
|
24 Sep 2018, Lars Martin, Suggestion, Self-resetting alarm class
|
I was planning to use the alarm system to display an information banner when a
certain valve is open, but I would like it to go away again when the valve is
closed.
|
24 Sep 2018, Lukas Gerritzen, Suggestion, Self-resetting alarm class
|
If you run an external script anyway, you can also call "odbedit -c alarm" to
reset all alarms. Or you could try to set the "Triggered" entry of that certain
alarm to 0 (again, with odbedit), that could also work. |
25 Sep 2018, Stefan Ritt, Suggestion, Self-resetting alarm class
|
> If you run an external script anyway, you can also call "odbedit -c alarm" to
> reset all alarms. Or you could try to set the "Triggered" entry of that certain
> alarm to 0 (again, with odbedit), that could also work.
|
26 Dec 2018, Konstantin Olchanski, Suggestion, Self-resetting alarm class
|
> > If you run an external script anyway, you can also call "odbedit -c alarm" to
> > reset all alarms. Or you could try to set the "Triggered" entry of that certain
> > alarm to 0 (again, with odbedit), that could also work.
|
25 Sep 2018, Stefan Ritt, Suggestion, Self-resetting alarm class
|
> I was planning to use the alarm system to display an information banner when a
> certain valve is open, but I would like it to go away again when the valve is
> closed.
|
24 Sep 2018, Devin Burke, Forum, Implementing MIDAS on a Satellite
|
Hello Everybody,
I am a member of a satellite team with a scientific payload and I am considering
|
25 Sep 2018, Stefan Ritt, Forum, Implementing MIDAS on a Satellite
|
> Hello Everybody,
>
> I am a member of a satellite team with a scientific payload and I am considering
|
25 Sep 2018, Devin Burke, Forum, Implementing MIDAS on a Satellite
|
> > Hello Everybody,
> >
> > I am a member of a satellite team with a scientific payload and I am considering
|
26 Dec 2018, Konstantin Olchanski, Forum, Implementing MIDAS on a Satellite
|
>
> Thank you for your comment Stefan. We do have some hardware resources on the board such as RAM, ROM and
> Flash storage so we wouldn't necessarily have to virtualize everything. Ideally we would like a
|
24 Oct 2018, Ryu Sawada, Info, bm_receive_event timeout in ROME
|
Hi all
There is a bug report in the ROME repository which says bm_receive_event timeouts.
|
26 Dec 2018, Konstantin Olchanski, Info, bm_receive_event timeout in ROME
|
> There is a bug report in the ROME repository which says bm_receive_event timeouts.
> https://bitbucket.org/muegamma/rome3/issues/8/rome-with-midas-produces-timeout-after
> Does anybody have any ideas what could causing the problem ?
|
18 Dec 2018, Konstantin Olchanski, Info, mxml update
|
the mxml library was updated to make it thread-safe.
https://bitbucket.org/tmidas/mxml/src/master/
|
30 Oct 2018, Joseph McKenna, Bug Report, Side panel auto-expands when history page updates
|
One can collapse the side panel when looking at history pages with the button in
|
31 Oct 2018, Stefan Ritt, Bug Report, Side panel auto-expands when history page updates
|
>
>
> One can collapse the side panel when looking at history pages with the button in
|
31 Oct 2018, Joseph McKenna, Bug Report, Side panel auto-expands when history page updates
|
> >
> >
> > One can collapse the side panel when looking at history pages with the button in
|
02 Nov 2018, Stefan Ritt, Bug Report, Side panel auto-expands when history page updates
|
> I apologise for miss using the word refresh. The re-appearing sidebar was also seen with the automatic
> reload, I have implemented your fix here and it now works great!
|
02 Nov 2018, Thomas Lindner, Bug Report, Side panel auto-expands when history page updates
|
> > I apologise for miss using the word refresh. The re-appearing sidebar was also seen with the automatic
> > reload, I have implemented your fix here and it now works great!
>
|
02 Nov 2018, Stefan Ritt, Bug Report, Side panel auto-expands when history page updates
|
> Joseph's original message says that the problem is with the standard MIDAS history page, which currently use a complete reload
> when refreshing. Of course we are planning to update this history pages to only grab what it needs (as well as changing the
> plotting to use newer HTML plotting). But until that upgrade happens your fix is helpful for the history page.
|
11 Sep 2018, Francesco Renga, Forum, Launching an executable script from the sequencer
|
Dear experts,
is there any way to launch an executable script on the host computer from the MIDAS
sequencer? If not, is there any interest to develop such a feature?
|
11 Sep 2018, Pierre Gorel, Forum, Launching an executable script from the sequencer
|
> Dear experts,
> is there any way to launch an executable script on the host computer from the MIDAS
> sequencer? If not, is there any interest to develop such a feature?
|
11 Sep 2018, Stefan Ritt, Forum, Launching an executable script from the sequencer
|
> > Dear experts,
> > is there any way to launch an executable script on the host computer from the MIDAS
> > sequencer? If not, is there any interest to develop such a feature?
|
28 Aug 2018, Lukas Gerritzen, Bug Report, Deleting Links in ODB via mhttpd
|
Asume you have a variable foo and a link bar -> foo. When you go to the ODB in
mhttpd, click "Delete" and select bar, it actually deletes foo. bar stays,
stating "<cannot resolve link>". Trying the same in odbedit with rm gives the
|
28 Aug 2018, Konstantin Olchanski, Bug Report, Deleting Links in ODB via mhttpd
|
> Asume you have a variable foo and a link bar -> foo. When you go to the ODB in
> mhttpd, click "Delete" and select bar, it actually deletes foo. bar stays,
> stating "<cannot resolve link>". Trying the same in odbedit with rm gives the
|
29 Aug 2018, Stefan Ritt, Bug Report, Deleting Links in ODB via mhttpd
|
> > Asume you have a variable foo and a link bar -> foo. When you go to the ODB in
> > mhttpd, click "Delete" and select bar, it actually deletes foo. bar stays,
> > stating "<cannot resolve link>". Trying the same in odbedit with rm gives the
|
29 Aug 2018, Konstantin Olchanski, Forum, midas forum mail relay changed to smtp.triumf.ca
|
Per changes at TRIUMF, the MIDAS forum mail relay was changed from trmail.triumf.ca to
smtp.triumf.ca. K.O. |
21 Aug 2018, Wes Gohn, Bug Report, mserver problem
|
Hi. We've just updated our midas installation to the newest version, and we now see repeated errors from the
mserver in messages. Mostly we see
|
28 Aug 2018, Konstantin Olchanski, Bug Report, mserver problem
|
> Hi. We've just updated our midas installation to the newest version, and we now see repeated errors from the
> mserver in messages. Mostly we see
>
|
24 Aug 2018, Lukas Gerritzen, Forum, Int64 datatype
|
I would like to store the address of 1-Wire temperature sensors in a device
driver. However, the supportet data types (as definded around
include/midas.h:311) do not foresee a type large enough.
|
25 Aug 2018, Stefan Ritt, Forum, Int64 datatype
|
> I would like to store the address of 1-Wire temperature sensors in a device
> driver. However, the supportet data types (as definded around
> include/midas.h:311) do not foresee a type large enough.
|
28 Aug 2018, Konstantin Olchanski, Forum, Int64 datatype
|
> I would like to store the address of 1-Wire temperature sensors in a device
> driver. However, the supportet data types (as definded around
> include/midas.h:311) do not foresee a type large enough.
|
28 Aug 2018, Lukas Gerritzen, Forum, Problems with virtual history events
|
Hi,
I am trying to set up virtual history events following
https://midas.triumf.ca/MidasWiki/index.php/History_System#Virtual_History_Event
|
28 Aug 2018, Konstantin Olchanski, Forum, Problems with virtual history events
|
Hi, what you try should have worked. Perhaps your symlink is wrong and should say "/External/..." (with a leading slash). The "links period" would have
worked same as equipment/common/history period - as a rate limiter.
|
21 Jul 2018, Hiroaki Natori, Forum, Question about distributing event builder function on remote PC
|
Dear expert,
I'm going to develop MIDAS DAQ for COMET experiment.
|
23 Jul 2018, Konstantin Olchanski, Forum, Question about distributing event builder function on remote PC
|
> I'm going to develop MIDAS DAQ for COMET experiment.
> I'm thinking to distribute the load of event building to different PCs.
> I attach a schematics of one of the examples of the design.
|
28 Jul 2018, Hiroaki Natori, Forum, Question about distributing event builder function on remote PC
|
Dear Mr. Olchanski
Thank you for your comment.
|
04 May 2018, Francesco Renga, Forum, ODB full
|
Dear expert,
I'm developing a frontend and I'm getting this kind of error at each event:
|
04 May 2018, Stefan Ritt, Forum, ODB full
|
Two options:
1) Do NOT send your events into the ODB. This is controlled via the flag RO_ODB in your frontend setting. For simple experiments with small events, it |
20 Jul 2018, Konstantin Olchanski, Forum, ODB full
|
Concurrence.
Normally, MIDAS data events are saved to ODB (via RO_ODB into /eq/xxx/variables) to make them go into the midas history (/eq/xxx/common/history > 0).
|
05 Jun 2018, Frederik Wauters, Forum, strings in sqlite
|
I am setting up a sqlite db to serve as a run database.
The easiest option is to use the history sqlite feature, and add run information
|
20 Jul 2018, Konstantin Olchanski, Forum, strings in sqlite
|
> Invalid tag 0 'Comment' in event 21 'Run Parameters': cannot do history for
> TID_STRING data, sorry!
|
20 Jul 2018, Konstantin Olchanski, Info, ROOT I/O workshop notable
|
The ROOT I/O workshop was held on June 20th at CERN. A few things of interest in MIDAS land:
- LZ4 is now used as default compression (replacing gzip-1)
|
03 Jul 2018, Frederik Wauters, Forum, mlogger? jamming
|
We run as follows:
* sis3316 digitizers in a vme crate
|
22 Jun 2018, Frederik Wauters, Forum, custom script on custom page
|
I am implementing buttons to launch scripts from a custom page.
The simple way works, i.e.
|
22 Jun 2018, Stefan Ritt, Forum, custom script on custom page
|
> Uncaught ReferenceError: XMLHttpRequestGeneric is not defined
> at cs_button (Trend:165)
> at HTMLInputElement.onclick (Trend:90)
|
25 Jun 2018, Frederik Wauters, Forum, custom script on custom page
|
> > Uncaught ReferenceError: XMLHttpRequestGeneric is not defined
> > at cs_button (Trend:165)
> > at HTMLInputElement.onclick (Trend:90)
|
08 Jun 2018, Lee Pool, Info, MIDAS RTEMS PoRT
|
Hi,
So I finally got around to "publish" work I did in 2009/2010 with RTEMS.
|
17 May 2018, Zaher Salman, Forum, embedding history in SVG
|
I am embedding histories into a custom page within an SVG,
<image x="21000" y="1000" width="6000" height="6000"
|
18 Apr 2018, Frederik Wauters, Forum, new midas custom features and javascript
|
I started to use the new midas custom page features from
https://midas.triumf.ca/MidasWiki/index.php/Custom_Page . I'd like to setup the
editable odb values (.e.g <div name="modbvalue" data-odb-path="/Runinfo/Run
|
18 Apr 2018, Stefan Ritt, Forum, new midas custom features and javascript
|
The function mhttpd_init() scans the custom page and installs handlers etc. for each modbxxx
element. If you create an modbvalue dynamically in your code, this is probably done after you
called mhttpd_init(), so the function has no chance to modify the dynamically created element.
|
19 Apr 2018, Frederik Wauters, Forum, new midas custom features and javascript
|
> The function mhttpd_init() scans the custom page and installs handlers etc. for each modbxxx
> element. If you create an modbvalue dynamically in your code, this is probably done after you
> called mhttpd_init(), so the function has no chance to modify the dynamically created element.
|
20 Apr 2018, Frederik Wauters, Forum, new midas custom features and javascript
|
> > The function mhttpd_init() scans the custom page and installs handlers etc. for each modbxxx
> > element. If you create an modbvalue dynamically in your code, this is probably done after you
> > called mhttpd_init(), so the function has no chance to modify the dynamically created element.
|
01 Mar 2018, Andreas Suter, Bug Report, mhttpd / odb set strings -> truncates odb entry
|
There is a bug in the string handling when changing ODB string entries via the
mhttpd (git sha 07dfb83). It truncates the string length in the ODB.
|
02 Mar 2018, Stefan Ritt, Bug Report, mhttpd / odb set strings -> truncates odb entry
|
> There is a bug in the string handling when changing ODB string entries via the
> mhttpd (git sha 07dfb83). It truncates the string length in the ODB.
>
|
05 Mar 2018, Andreas Suter, Bug Report, mhttpd / odb set strings -> truncates odb entry
|
> > There is a bug in the string handling when changing ODB string entries via the
> > mhttpd (git sha 07dfb83). It truncates the string length in the ODB.
> >
|
18 Apr 2018, Thomas Lindner, Bug Fix, mhttpd / odb set strings -> truncates odb entry
|
I wanted to try to summarize the current situation with regards to the handling of strings through the MIDAS web interface.
During the last year, we started the switch-over to using the new mjson-rpc functions in the MIDAS webpages. As part of this work, changes were made that |
08 Mar 2018, Suzannah Daviel, Suggestion, link to an array element displays whole array in mhttpd
|
A link to an array variable such as
[local:npet:Stopped]/>ls /rcparams/ControlVariables/
|
09 Mar 2018, Suzannah Daviel, Bug Report, link to an array element displays whole array in mhttpd
|
Further to my last message, I see that a midas version from 2013 does indeed display
links to arrays as I would expect (see attachment). Therefore the problem in later
versions is a bug rather than a feature.
|
23 Mar 2018, Stefan Ritt, Bug Report, link to an array element displays whole array in mhttpd
|
It might have worked some ~5 years ago, but it never really showed the target value of a link, just the
link itself. I reworked the code now to show both the link and the target of the link, so you can change
both in the mhttpd ODB page. Should be consistent now with odbedit. Have a look if it works for you.
|
23 Mar 2018, Suzannah Daviel, Bug Report, link to an array element displays whole array in mhttpd
|
> It might have worked some ~5 years ago, but it never really showed the target value of a link, just the
> link itself. I reworked the code now to show both the link and the target of the link, so you can change
> both in the mhttpd ODB page. Should be consistent now with odbedit. Have a look if it works for you.
|
19 Mar 2018, Andreas Suter, Suggestion, check current ODB size
|
A feature I always missed (or just missed to find in the docu) is the following:
1) It would be nice to have a command in odbedit which allows to check how full
the ODB currently is.
|
19 Mar 2018, Stefan Ritt, Suggestion, check current ODB size
|
> A feature I always missed (or just missed to find in the docu) is the following:
> 1) It would be nice to have a command in odbedit which allows to check how full
> the ODB currently is.
|
19 Mar 2018, Andreas Suter, Suggestion, check current ODB size
|
> > A feature I always missed (or just missed to find in the docu) is the following:
> > 1) It would be nice to have a command in odbedit which allows to check how full
> > the ODB currently is.
|
19 Mar 2018, Stefan Ritt, Suggestion, check current ODB size
|
> > > A feature I always missed (or just missed to find in the docu) is the following:
> > > 1) It would be nice to have a command in odbedit which allows to check how full
> > > the ODB currently is.
|
12 Mar 2018, Lukas Gerritzen, Forum, EQ_MANUAL_TRIG no button in web interface
|
Hi,
according to the [url=https://midas.triumf.ca/MidasWiki/index.php/Equipment_Flags#EQ_MANUAL_TRIG]wiki[/url], setting the equipment flag EQ_MANUAL_TRIG |
16 Mar 2018, Stefan Ritt, Forum, EQ_MANUAL_TRIG no button in web interface
|
[quote="Lukas Gerritzen"]Hi,
according to the [url=https://midas.triumf.ca/MidasWiki/index.php/Equipment_Flags#EQ_MANUAL_TRIG]wiki[/url], setting the equipment flag EQ_MANUAL_TRIG |
12 Mar 2018, Andreas Suter, Forum, mhttpd / javascript - simple check if a client is running
|
Is there a simple way from the javascript side to check if a fontend is running?
Currently one would need to go through the /System/Client list to find out if a
frontend/client is running. Wouldn't it be nice to have this centralized, either
|
13 Mar 2018, Thomas Lindner, Forum, mhttpd / javascript - simple check if a client is running
|
> Is there a simple way from the javascript side to check if a fontend is running?
> Currently one would need to go through the /System/Client list to find out if a
> frontend/client is running. Wouldn't it be nice to have this centralized, either
|
13 Mar 2018, Andreas Suter, Forum, mhttpd / javascript - simple check if a client is running
|
> > Is there a simple way from the javascript side to check if a fontend is running?
> > Currently one would need to go through the /System/Client list to find out if a
> > frontend/client is running. Wouldn't it be nice to have this centralized, either
|
16 Feb 2018, Amy Roberts, Suggestion, respect capitalization option in db_get_values mjsonrpc method?
|
I'd like to use the mjsonrpc db_get_values method, but (as indicated in the
documentation) it returns all ODB keys as lowercase.
|
17 Feb 2018, Amy Roberts, Suggestion, respect capitalization option in db_get_values mjsonrpc method?
|
It appears I needed to read the documentation more closely - the method db_save
does respect key-name capitalization and solves my problem.
|
08 Mar 2018, Thomas Lindner, Suggestion, respect capitalization option in db_get_values mjsonrpc method?
|
Hi Amy,
Let me start by explaining the reasoning for the default behavior of db_get_values. I think it was mentioned elsewhere, but is worth repeating.
|
05 Mar 2018, , Suggestion,
|
|
19 Feb 2018, Thomas Lindner, Suggestion, Rename sequencer program to msequencer
|
Hi Folks,
In last year's updates to MIDAS, the MIDAS sequencer has been broken out as a
|
05 Mar 2018, Thomas Lindner, Suggestion, Rename sequencer program to msequencer
|
Hearing no objections I changed the name of the program to msequencer. Wiki
documentation updated.
|
28 Feb 2018, Thomas Lindner, Bug Report, Problems with start program button with new mhttpd webpages
|
Pierre Gorel identified a problem with the 'start program' button on the new version of MIDAS that uses the
mjsonrpc functions for building the webpages. In particular, he tracked the problem down to some
questionable std::string / char* handling.
|
01 Dec 2017, Frederik Wauters, Bug Report, small bug in mfe.c init
|
There is a small bug in the mfe.c initialization for the EQ_POLLED mode. There
is a routine where the number of polls fitting in eq_info->period is counted:
|
01 Dec 2017, Stefan Ritt, Bug Report, small bug in mfe.c init
|
> There is a small bug in the mfe.c initialization for the EQ_POLLED mode. There
> is a routine where the number of polls fitting in eq_info->period is counted:
>
|
04 Dec 2017, Frederik Wauters, Bug Report, small bug in mfe.c init
|
> > There is a small bug in the mfe.c initialization for the EQ_POLLED mode. There
> > is a routine where the number of polls fitting in eq_info->period is counted:
> >
|
04 Dec 2017, Stefan Ritt, Bug Report, small bug in mfe.c init
|
> Thanks, I misunderstood the loop then. If poll_event(equipment[idx].info.source, (INT)count, TRUE); doesn`t do anything with "count", the loop becomes
infinite except for the overflow
> check.
|
07 Sep 2016, Wes Gohn, Forum, ODB as JSON file
|
Hi. Is it currently possible to automatically save the MIDAS ODB as a JSON file?
I can do it manually in odbedit, but it looks like the only option for the
automatic ODB save for each run is the standard .ODB format. Is there a way to
|
07 Sep 2016, Stefan Ritt, Forum, ODB as JSON file
|
> Hi. Is it currently possible to automatically save the MIDAS ODB as a JSON file?
> I can do it manually in odbedit, but it looks like the only option for the
> automatic ODB save for each run is the standard .ODB format. Is there a way to
|
08 Sep 2016, Pierre-Andre Amaudruz, Forum, ODB as JSON file
|
Hi,
We do generate a .json odb at the end of run in order to extract some of its info for our CouchDB.
This is done using the "/program/Execute on stop run" script command. This method decouples the necessity
|
30 Sep 2016, Konstantin Olchanski, Forum, ODB as JSON file
|
> Hi. Is it currently possible to automatically save the MIDAS ODB as a JSON file?
> I can do it manually in odbedit, but it looks like the only option for the
> automatic ODB save for each run is the standard .ODB format. Is there a way to
|
21 Nov 2017, Konstantin Olchanski, Release, Pending release of midas
|
We are readying a new release of midas and it is almost here except for a few buglets on the new html status page.
The current release candidate branch is "feature/midas-2017-10" and if you have problems with the older versions
|
21 Nov 2017, Konstantin Olchanski, Info, MIDAS support on el5?
|
It has been reported that the current midas release candidate does not build on el5 linux (SL/RHEL/CentOS-5).
According to Red Hat, el5 is end-of-life, last SL 5 (SL5.11) was done in 2014, so this linux is very old. Also as it happens, I do not have access to any |
10 Nov 2017, Frederik Wauters, Bug Report, bug in init of hv class driver
|
bug in init
-----------
|
17 Nov 2017, Konstantin Olchanski, Bug Report, bug in init of hv class driver
|
Hi, Frederick, this is my personal opinion on the slow controls hv classes, I have
used them a couple of times and I found them full of little buglets like this,
|
21 Nov 2017, Stefan Ritt, Bug Report, bug in init of hv class driver
|
> bug in init
> -----------
>
|
21 Nov 2017, Konstantin Olchanski, Bug Report, bug in init of hv class driver
|
>
> The original idea behind the hv driver is that all voltages in the ODB and the class driver are
> positive. If you have a negative power supply, then the voltage is inverted at the device
|
15 Nov 2017, Andreas Knecht, Suggestion, Feature request: Separate ODB flag to show programs on "Programs page"
|
Currently one has to set the required flag in the ODB (e.g., /Programs/Logger/Required) to "y" for the program
to appear on the "Programs page" and being able to start and stop the program easily.
|
17 Nov 2017, Konstantin Olchanski, Suggestion, Feature request: Separate ODB flag to show programs on "Programs page"
|
> Currently one has to set the required flag in the ODB (e.g., /Programs/Logger/Required) to "y" for the program
> to appear on the "Programs page" and being able to start and stop the program easily.
>
|
21 Nov 2017, Stefan Ritt, Suggestion, Feature request: Separate ODB flag to show programs on "Programs page"
|
> > Currently one has to set the required flag in the ODB (e.g., /Programs/Logger/Required) to "y" for the program
> > to appear on the "Programs page" and being able to start and stop the program easily.
> >
|
02 Nov 2017, Konstantin Olchanski, Bug Fix, Fixed mlogger memory corruption, updated mxml
|
I the agdaq system I see memory corruption in the mlogger. There were at least two bugs: one
memory allocation error in mxml and one incorrect memset() in mlogger.cxx. The mxml bug is fixed
in the mxml repository, mlogger.cxx bug is fixed in the midas-2017-10 branch.
|
13 Oct 2017, Konstantin Olchanski, Info, odb multithread support repaired
|
multithreaded access to odb was implemented back in 2013-2014. but recently a bug surfaced -
there was a race condition in the odb locking code against cm_watchdog(). Somehow this only
affected the mserver for the DRAGON experiment at TRIUMF. This is now fixed on the branch
|
11 Oct 2017, Konstantin Olchanski, Info, added support for ucLinux
|
Support for building for ucLinux was added to MIDAS. I use the emcraft toolchain and userland on
some kind of embedded ARM CPU that does not have an MMU. See the Makefile for details. The
main difference of ucLinux is lack of fork(), which cannot be done without an MMU. Not everything
|
27 Jul 2017, Wes Gohn, Suggestion, Increasing Max Number of Frontends
|
Below are the steps we used to increase the maximum number of frontends that we could run.
In midas.h
|
10 Aug 2017, Stefan Ritt, Suggestion, Increasing Max Number of Frontends
|
The sizeof checks were originally invented by KO to check for binary compatibility between processes attached to the same ODB and event buffers. So if a
compiler generates different structure sizes due to different padding, one would see that immediately. I wonder however if the absolute numbers make sense |
12 Aug 2017, Konstantin Olchanski, Suggestion, Increasing Max Number of Frontends
|
The checks for byte sizes of critical data structures have been added to ensure (enforce) binary compatibility
of midas with itself on different platforms (32-bit and 64-bit intel, on PPC, on ARM, etc).
|
13 Aug 2017, Stefan Ritt, Suggestion, Increasing Max Number of Frontends
|
I agree that the binary compatibility checks are crucial. But I kind of find it strange if one gets an assert failure some where if one tries to change
MAX_CLIENTS. It is then not straight
forward to relate both things and understand the consequences. That's why I put a comment next to the definition of MAX_CLIENTS saying:
|
13 Aug 2017, Konstantin Olchanski, Suggestion, Increasing Max Number of Frontends
|
> if (sizeof(INT) != 4) then severe_error_and_stop_all_programs()
Quick reply.
|
13 Aug 2017, Stefan Ritt, Suggestion, Increasing Max Number of Frontends
|
The type INT has been defined in 1989 when I for the first time sent data between a 16-bit MS-DOS computer and a 32-bit VAX computer (good old
days!). At that time, uint32_t was not available at all. So much for the historical background.
|
04 Aug 2017, Konstantin Olchanski, Info, Notes on installing midas from scratch
|
Notes on installing midas from scratch. The instruction on midaswiki will be synced with this later.
cd ~/packages
|
07 Aug 2017, Stefan Ritt, Info, Notes on installing midas from scratch
|
Thanks for documenting this in detail. A few suggestions:
- is it really necessary to call odbedit three times? Maybe two or even three functions can be merged. Like you call odbinit, it checks if the environment |
04 May 2017, Thomas Lindner, Forum, MIDAS Workshop - July 26
|
Dear MIDAS users,
We would like to announce another MIDAS workshop at TRIUMF on July 26, 2017.
|
11 Jul 2017, Thomas Lindner, Forum, MIDAS Workshop - July 26
|
Dear MIDAS users,
We have an approximately final agenda for the MIDAS workshop in two weeks. The
|
19 Jul 2017, Thomas Lindner, Forum, MIDAS Workshop - July 26
|
Dear MIDAS colleagues,
We will use Zoom for people making remote connections to the MIDAS workshop next week. The connection details
|
25 Jul 2017, Thomas Lindner, Forum, MIDAS Workshop - July 26
|
Hi Folks,
I just realized I never provided the location for the meeting (for those at TRIUMF). It will be in the ISAC-II conference room.
|
25 Jul 2017, Stefan Ritt, Info, Current git repository "develop" branch broken
|
Dear all,
we are currently undergoing major modifications in the way mhttpd is working. I realized that
|
13 Jul 2017, Konstantin Olchanski, Info, implemented: json-rpc batch requests
|
The mhttpd json-rpc interface now implements batch requests per
http://www.jsonrpc.org/specification#batch
|
19 Jun 2017, Thomas Lindner, Bug Report, mhttpd ODB editor changes string length, breaks
|
I guess this might be related to the changes in the last elog conversation; but
I'll break it out as a separate problem.
|
21 Jun 2017, Thomas Lindner, Bug Report, mhttpd ODB editor changes string length, breaks
|
To follow up; with some help from Konstantin and Stefan, we realized that this
particular problem should already be fixed. While I was using the most recent version
of MIDAS, I hadn't rebuild the EPICS frontend programs when I was doing this test. Once
|
20 Jun 2017, Richard Longland, Forum, High Rate
|
|
07 Jun 2017, Alberto Remoto, Forum, Increase MAX_EVENT_SIZE
|
Hello,
I am using a CAEN v1720 to digitise signal coming from 5 PMTs and I need to extend the read-
|
13 Apr 2017, Andreas Suter, Bug Report, stop form odbedit broken
|
when I try to stop a run from odbedit I get a core dump.
[ODBEdit1,INFO] Run #31 stopped odbedit: src/system.c:1223: ss_shm_flush:
|
13 Apr 2017, Andreas Suter, Bug Report, stop form odbedit broken
|
> when I try to stop a run from odbedit I get a core dump.
>
> [ODBEdit1,INFO] Run #31 stopped odbedit: src/system.c:1223: ss_shm_flush:
|
15 Apr 2017, Konstantin Olchanski, Bug Report, stop form odbedit broken
|
> > when I try to stop a run from odbedit I get a core dump.
> >
> > [ODBEdit1,INFO] Run #31 stopped odbedit: src/system.c:1223: ss_shm_flush:
|
15 Apr 2017, Konstantin Olchanski, Bug Report, MAX_STRING_LENGTH, stop form odbedit broken
|
>
> I shall check on the use of MAX_STRING_LENGTH at least in odb itself...
>
|
15 Apr 2017, Konstantin Olchanski, Bug Report, MAX_STRING_LENGTH, stop form odbedit broken
|
> >
> > I shall check on the use of MAX_STRING_LENGTH at least in odb itself...
> >
|
19 Apr 2017, Stefan Ritt, Bug Report, MAX_STRING_LENGTH, stop form odbedit broken
|
> Fixed a small buglet, now saving and reloading odb in the old ".odb" format will silently truncate all overlong strings to 256 bytes. (I think it always
did that).
|
22 Apr 2017, Konstantin Olchanski, Bug Report, MAX_STRING_LENGTH, stop form odbedit broken
|
> > Fixed a small buglet, now saving and reloading odb in the old ".odb" format will silently truncate all overlong strings to 256 bytes. (I think it always
did that).
>
|
06 Jun 2017, Konstantin Olchanski, Bug Report, MAX_STRING_LENGTH, stop form odbedit broken
|
> ... the xml reader, probably has same problem
> ... xml writer truncates long strings via truncation in db_sprintf()
|
19 Apr 2017, Stefan Ritt, Bug Report, MAX_STRING_LENGTH, stop form odbedit broken
|
ODB name lengths (the name of a key) are limited to 256 characters, the length of strings in the ODB should NOT be limited. At some point we wanted to have
complete web pages inside the ODB,
which for sure are longer than 256 characters. While this was the idea, I see now that db_paste & co. is hopelessly broken. To fix it, everything should |
22 Apr 2017, Konstantin Olchanski, Bug Report, MAX_STRING_LENGTH, stop form odbedit broken
|
> ODB name lengths (the name of a key) are limited to 256 characters, the length of strings in the ODB should NOT be limited.
Right, I was not ever aware of such limitation until I just now looked at the .odb and .xml writing code. Definitely string length
|
02 May 2017, Konstantin Olchanski, Bug Report, mhttpd inline-editor and web MAX_STRING_LENGTH, stop form odbedit broken
|
> > I shall check on the use of MAX_STRING_LENGTH at least in odb itself...
Also tested the web interface:
|
24 Apr 2017, Stefan Ritt, Bug Report, stop form odbedit broken
|
> CSS File = STRING : [1024] mhttpd.css
> Sqlite dir = STRING : [1024]
> History dir = STRING : [1024]
|
15 Apr 2017, Konstantin Olchanski, Bug Report, where to report bugs, stop form odbedit broken
|
>
> What is the preferred channel to report potential bugs (elog / bitbucket issues)?
>
|
15 Apr 2017, Konstantin Olchanski, Bug Report, stop form odbedit broken
|
> when I try to stop a run from odbedit I get a core dump.
> [ODBEdit1,INFO] Run #31 stopped odbedit: src/system.c:1223: ss_shm_flush:
> Assertion `size == mmap_size[handle]' failed. Aborted (core dumped)
|
16 May 2017, Konstantin Olchanski, Bug Report, problem with odb strings and db_get_record()
|
Suddenly the mhttpd odb inline editor is truncating the odb string entries to the actual length of the
stored string value, this causes db_get_record() explode with "structure mismatch" errors. (Not my
fault, You Honor! Honest!). For example, I see these errors from al_check() after changing
|
31 May 2017, Konstantin Olchanski, Bug Report, problem with odb strings and db_get_record()
|
> What a mess.
The mess with db_get_record() and db_open_record() is even deeper than I thought. There are several anomalies.
|
31 May 2017, Konstantin Olchanski, Bug Report, problem with odb strings and db_get_record()
|
> 2) replace all uses of db_open_record(MODE_READ) with db_watch() in conjunction with db_get_record1().
Done to all in-tree programs, except for mana.c (not using it), sequencer.cxx (cannot test it) and a few places where watching a TID_INT.
|
06 Jun 2017, Konstantin Olchanski, Bug Report, problem with odb strings and db_get_record()
|
> Done to all in-tree programs, except for mana.c (not using it), sequencer.cxx (cannot test it) and a few places where watching a TID_INT.
> Nothing more needs to be done, other than turn off the check for hotlink in db_create_record() & co (removed #define CHECK_OPEN_RECORD in odb.c).
|
02 Jun 2017, Stefan Ritt, Bug Report, problem with odb strings and db_get_record()
|
That all makes sense to me.
Stefan
|
31 May 2017, Konstantin Olchanski, Info, modified db_watch() arguments
|
for reasons unknown, db_watch() did not have an "info" parameter passed through to the callback
handler function, like it is done with db_open_record().
|
09 May 2017, Andreas Suter, Bug Report, mhttpd / history / export data
|
A handy feature of the history of the mhttpd is to export the data. However, this
seems to be broken. It currently only works if the run marker flag is activated by
fails otherwise. |
16 May 2017, Konstantin Olchanski, Bug Report, mhttpd / history / export data
|
> A handy feature of the history of the mhttpd is to export the data. However, this
> seems to be broken. It currently only works if the run marker flag is activated by
> fails otherwise.
|
26 Apr 2017, Konstantin Olchanski, Info, added db_get_value_string()
|
Since we have been regularly running into problems with db_get_xxx(TID_STRING) and string buffers of mismatched size,
I now implemented db_get_value_string(hdb, hkey, key_name, index, &string, create).
|
26 Apr 2017, Stefan Ritt, Info, added db_get_value_string()
|
Just some thought for discussion:
Rather than "spicing up" the MIDAS library here and there with C++ objects such as std::string, wouldn't it make more sense to "cleanly" wrap an ODB value |
02 May 2017, Konstantin Olchanski, Info, added db_get_value_string()
|
> Just some thought for discussion:
Even more thoughts:
|
02 May 2017, Konstantin Olchanski, Info, added db_resize_string()
|
> Since we have been regularly running into problems with db_get_xxx(TID_STRING) and string buffers of mismatched size,
> I now implemented db_get_value_string(hdb, hkey, key_name, index, &string, create).
|
18 Apr 2017, Andreas Suter, Bug Report, run start/stop oddity
|
I stumbled over an oddity which I would like to understand better. Here the
boundaries:
- Enable non-localhost RPC -> y
|
02 May 2017, Konstantin Olchanski, Bug Report, run start/stop oddity
|
I should really get around to fix this junk error message:
|
26 Apr 2017, Francesco Renga, Forum, Problem with logger at run start
|
Dear experts,
we have a problem when trying to run a MIDAS DAQ which worked in the past on the same PC (but on a different
network). We get the following error messages when starting a new run:
|
26 Apr 2017, Stefan Ritt, Forum, Problem with logger at run start
|
Dear Francesco,
Your error (No route to host) typically means that you have a network problem outside of MIDAS. Your computer has to "find itself" and
|
26 Apr 2017, Francesco Renga, Forum, Problem with logger at run start
|
Dear Stefan,
thank you very much for your reply. We could finally fix the problem by replacing "scarlett" with "scarlett.localdomain" in our
hostname configuration file /etc/hostname (under debian).
|
02 May 2017, Konstantin Olchanski, Forum, Problem with logger at run start
|
> Wed Apr 26 23:03:12 2017 [mhttpd,ERROR] [midas.c:9106:rpc_client_connect,ERROR] cannot connect to host "scar
> lett", port 44858: connect() returned -1, errno 113 (No route to host)
|
02 May 2017, Konstantin Olchanski, Info, mhttpd inline-editor change
|
I changed the mhttpd odb inline editor to use the json-rpc interface. Good things:
- browser no longer complains about obsolete synchronous ajax calls
|
17 Mar 2017, Pierre Gorel, Bug Report, badly managed case in history_schema.cxx: dat file empty
|
For an unknown reason, Logger died few days ago while writing the history. The
file mhf_1489577446_20170315_system.dat was created, but was empty.
|
15 Apr 2017, Konstantin Olchanski, Bug Report, badly managed case in history_schema.cxx: dat file empty
|
> For an unknown reason, Logger died few days ago while writing the history. The
> file mhf_1489577446_20170315_system.dat was created, but was empty.
|
14 Apr 2017, Wes Gohn, Forum, mhttpd lag
|
Hi everyone,
We have recently been experiencing a lot of lag with our midas control webpage,
|
14 Apr 2017, Pierre Gorel, Forum, mhttpd lag
|
> Hi everyone,
>
> We have recently been experiencing a lot of lag with our midas control webpage,
|
15 Apr 2017, Konstantin Olchanski, Forum, mhttpd lag
|
> > Hi everyone,
> >
> > We have recently been experiencing a lot of lag with our midas control webpage,
|
15 Apr 2017, Konstantin Olchanski, Forum, mhttpd lag, which browser
|
> > >
> > > We have recently been experiencing a lot of lag with our midas control webpage,
> > > which is making it very frustrating to use. Has anyone experienced this, and do
|
05 Apr 2017, Andreas Suter, Bug Report, Equipment Expand doesn't work anymore
|
I'd liked very much the possibility to hide away Equipment on the main page. It
is also nice to have the '+' to get it quickly back when needed. However, this
seems not to work anymore (git c9d9d604803). Is this a feature or something went
|
10 Apr 2017, Stefan Ritt, Bug Report, Equipment Expand doesn't work anymore
|
> I'd liked very much the possibility to hide away Equipment on the main page. It
> is also nice to have the '+' to get it quickly back when needed. However, this
> seems not to work anymore (git c9d9d604803). Is this a feature or something went
|
10 Apr 2017, Andreas Suter, Bug Report, Equipment Expand doesn't work anymore
|
> > I'd liked very much the possibility to hide away Equipment on the main page. It
> > is also nice to have the '+' to get it quickly back when needed. However, this
> > seems not to work anymore (git c9d9d604803). Is this a feature or something went
|
15 Apr 2017, Konstantin Olchanski, Bug Report, Equipment Expand doesn't work anymore
|
> > > I'd liked very much the possibility to hide away Equipment on the main page. It
> > > is also nice to have the '+' to get it quickly back when needed. However, this
> > > seems not to work anymore (git c9d9d604803). Is this a feature or something went
|
05 Apr 2017, Andreas Suter, Suggestion, nicer header?!
|
We use the customHeader to display some useful information. Currently I do not
like its style. What about to make it more alike the footer?
|
05 Apr 2017, Stefan Ritt, Suggestion, nicer header?!
|
In my opinion this makes sense. If KO agrees, you should commit your change.
Stefan
|
15 Apr 2017, Konstantin Olchanski, Suggestion, nicer header?!
|
> In my opinion this makes sense. If KO agrees, you should commit your change.
Please go ahead (sorry for slow reply). I have no idea what this change does. A screenshot of "before"
|
14 Mar 2017, Andreas Suter, Bug Report, mhttpd - /Experiment/Menu Buttons - git-sha a350e8db11
|
I think there sneaked in a little bug in the mhttpd: when starting an experiment
from scratch and starting the mhttpd, the Menu Buttons are missing and,
correctly, I get periodic error messages. I expected that the default ODB entry
|
14 Mar 2017, Konstantin Olchanski, Bug Report, mhttpd - /Experiment/Menu Buttons - git-sha a350e8db11
|
> I think there sneaked in a little bug in the mhttpd: when starting an experiment
> from scratch and starting the mhttpd, the Menu Buttons are missing and,
> correctly, I get periodic error messages. I expected that the default ODB entry
|
16 Mar 2017, Konstantin Olchanski, Bug Report, Replaced with /experiment/menu, mhttpd - /Experiment/Menu Buttons - git-sha a350e8db11
|
> > I think there sneaked in a little bug in the mhttpd: when starting an experiment
> > from scratch and starting the mhttpd, the Menu Buttons are missing
|
16 Mar 2017, Thomas Lindner, Bug Report, Replaced with /experiment/menu, mhttpd - /Experiment/Menu Buttons - git-sha a350e8db11
|
> > > I think there sneaked in a little bug in the mhttpd: when starting an experiment
> > > from scratch and starting the mhttpd, the Menu Buttons are missing
>
|
28 Mar 2017, Konstantin Olchanski, Bug Report, Replaced with /experiment/menu, mhttpd - /Experiment/Menu Buttons - git-sha a350e8db11
|
> > > > I think there sneaked in a little bug in the mhttpd: when starting an experiment
> > > > from scratch and starting the mhttpd, the Menu Buttons are missing
> >
|
14 May 2015, Konstantin Olchanski, Suggestion, checksums for midas data files
|
I am adding LZ4 and LZO compression the mlogger and as part of this work, I would like to add
computation of checksums for the midas files.
|
14 May 2015, Stefan Ritt, Suggestion, checksums for midas data files
|
> Any thoughts on this?
We use binary midas files now for ~20 years and never felt the necessity to put any checksums or even encryption on these files. The reason for that is |
15 May 2015, Konstantin Olchanski, Suggestion, checksums for midas data files
|
> > Any thoughts on this?
>
> We use binary midas files now for ~20 years and never felt the necessity to put any checksums or even encryption on these files ...
|
05 Oct 2016, Lee Pool, Suggestion, checksums for midas data files
|
Hi
> On one side, such checksums help me confirm that uncompressed data contents is the same as original
|
13 Oct 2016, Konstantin Olchanski, Suggestion, checksums for midas data files
|
Confirmed, this is a bug in mlogger. It should be creating *2* files, one with the before-compression checksum and one with the after-compression checksum.
At
least both checksums are written to midas.log, so you can grep them from there. K.O.
|
13 Mar 2017, Konstantin Olchanski, Suggestion, checksums for midas data files
|
> Confirmed, this is a bug in mlogger. It should be creating *2* files, one with the before-compression checksum and one with the after-compression checksum.
At
> least both checksums are written to midas.log, so you can grep them from there. K.O.
|
13 Mar 2017, Konstantin Olchanski, Info, improved mhttpd sounds
|
I reworked the alarm sounds in mhttpd - now you can turn off all sounds without disabling the
alarm system for everybody.
|
27 Feb 2017, William Moore, Suggestion, analyzer failing to load ODB parameters
|
Hi,
I am attempting to compile and run analysis code on a completely different,
|
15 Feb 2017, NguyenMinhTruong, Bug Report, increase event buffer size
|
Dear all,
I have problem in event buffer size.
|
16 Feb 2017, Konstantin Olchanski, Bug Report, increase event buffer size
|
> I have problem in event buffer size.
>
> When run MIDAS, I got error "total event size (1307072) larger than buffer size
|
20 Feb 2017, NguyenMinhTruong, Bug Report, increase event buffer size
|
I am sorry for my late reply
memory in my PC is 16 GB
|
20 Feb 2017, Konstantin Olchanski, Bug Report, increase event buffer size
|
> memory in my PC is 16 GB
You can safely go to buffer size 100 Mbytes or more.
|
20 Feb 2017, Konstantin Olchanski, Bug Report, increase event buffer size
|
> > memory in my PC is 16 GB
>
> You can safely go to buffer size 100 Mbytes or more.
|
15 Feb 2017, NguyenMinhTruong, Bug Report, increase event buffer size
|
Dear all,
I have problem in event buffer size.
|
14 Feb 2017, Konstantin Olchanski, Info, mhttpd.js split into midas.js, mhttpd.js and obsolete.js
|
As discussed before, the midas omnibus javascript file mhttpd.js has been split into three pieces:
midas.js - midas "public api" for building web pages that interact with midas
|
08 Sep 2016, Amy Roberts, Bug Report, control characters not sanitized by json_write - can cause JSON.parse of mhttpd result to fail
|
I've recently run into issues when using JSON.parse on ODB keys containing
8-bit data.
|
30 Sep 2016, Konstantin Olchanski, Bug Report, control characters not sanitized by json_write - can cause JSON.parse of mhttpd result to fail
|
> I've recently run into issues when using JSON.parse on ODB keys containing
> 8-bit data.
|
25 Oct 2016, Thomas Lindner, Bug Report, control characters not sanitized by json_write - can cause JSON.parse of mhttpd result to fail
|
> > I've recently run into issues when using JSON.parse on ODB keys containing
> > 8-bit data.
>
|
01 Dec 2016, Thomas Lindner, Bug Report, control characters not sanitized by json_write - can cause JSON.parse of mhttpd result to fail
|
> > I've recently run into issues when using JSON.parse on ODB keys containing
> > 8-bit data.
>
|
15 Jan 2017, Thomas Lindner, Bug Report, control characters not sanitized by json_write - can cause JSON.parse of mhttpd result to fail
|
> > In other words, non-UTF-8 strings are following non-IEEE-754 floating point values into oblivion - as
> > we do not check the TID_FLOAT and TID_DOUBLE is valid IEEE-754 values, we should not check
> > that TID_STRING is valid UTF-8.
|
23 Jan 2017, Thomas Lindner, Bug Report, control characters not sanitized by json_write - can cause JSON.parse of mhttpd result to fail
|
> At Konstantin's suggestion, I committed the function I found for checking if a string was UTF-8 compatible to
> odb.c. The function is currently not used; I commented out a proposed use in db_create_key. Experts can decide
|
30 Jan 2017, Stefan Ritt, Bug Report, control characters not sanitized by json_write - can cause JSON.parse of mhttpd result to fail
|
>
> > At Konstantin's suggestion, I committed the function I found for checking if a string was UTF-8 compatible to
> > odb.c. The function is currently not used; I commented out a proposed use in db_create_key. Experts can decide
|
01 Feb 2017, Konstantin Olchanski, Bug Report, control characters not sanitized by json_write - can cause JSON.parse of mhttpd result to fail
|
>
> I see you put some switches into the environment ("MIDAS_INVALID_STRING_IS_OK"). Do you think this is a good idea? Most variables are
> sitting in the ODB (/experiment/xxx), except those which cannot be in the ODB because we need it before we open the ODB, like MIDAS_DIR.
|
01 Feb 2017, Stefan Ritt, Bug Report, control characters not sanitized by json_write - can cause JSON.parse of mhttpd result to fail
|
> Some additional explanation.
>
> Time passed, the world turned, and the current web-compatible standard for text strings is UTF-8 encoded Unicode, see
|
15 Dec 2016, Kevin Giovanetti, Bug Report, midas.h error
|
creating a frontend on MAC Sierra OSX 10
include the midas.h file and when compiling with XCode I get an error based on
this entry in the midas.h include
|
15 Dec 2016, Stefan Ritt, Bug Report, midas.h error
|
> creating a frontend on MAC Sierra OSX 10
> include the midas.h file and when compiling with XCode I get an error based on
> this entry in the midas.h include
|
01 Feb 2017, Konstantin Olchanski, Bug Report, midas.h error
|
>
> If you compile with the included Makefile, you will see a
>
|
01 Feb 2017, Stefan Ritt, Bug Report, midas.h error
|
> >
> > If you compile with the included Makefile, you will see a
> >
|
14 Oct 2016, Konstantin Olchanski, Info, Javascript based run start and stop pages.
|
I switched mhttpd to use the new javascript based run start and stop pages.
There are two new html pages:
|
05 Dec 2016, Thomas Lindner, Info, Javascript based run start and stop pages.
|
> I switched mhttpd to use the new javascript based run start and stop pages.
One initial complaint: the transition.html page doesn't seem to deal well with a frontend program using
|
01 Feb 2017, Konstantin Olchanski, Info, Javascript based run start and stop pages.
|
> > I switched mhttpd to use the new javascript based run start and stop pages.
>
> One initial complaint: the transition.html page doesn't seem to deal well with a frontend program using
|
01 Feb 2017, Stefan Ritt, Info, Javascript based run start and stop pages.
|
> > > I switched mhttpd to use the new javascript based run start and stop pages.
> >
> > One initial complaint: the transition.html page doesn't seem to deal well with a frontend program using
|
01 Dec 2016, Konstantin Olchanski, Info, midas wiki updated to mediawiki 1.27.1
|
midas wiki at https://midas.triumf.ca/MidasWiki/index.php/Main_Page
was updated to MediaWiki version 1.27.1, the current MediaWiki LTS release.
Everything should work as before, but if you see any problems or anomalies, please report
|
24 Oct 2016, Tim Gorringe, Bug Report, problem with error code DB_NO_MEMORY from db_open_record() call when establish additional hotlinks
|
Hi Midas forum,
I'm having a problem with odb hotlinks after increasing sub-directories in an
|
25 Oct 2016, Tim Gorringe, Bug Report, problem with error code DB_NO_MEMORY from db_open_record() call when establish additional hotlinks
|
oOne additional comment. I was able to trace the setting of the error code DB_NO_MEMORY
to a call to the db_add_open_record() by mserver that is initiated during the start-up
of my frontend via an RPC call. I checked with a debug printout that I have indeed
|
04 Nov 2016, Thomas Lindner, Bug Report, problem with error code DB_NO_MEMORY from db_open_record() call when establish additional hotlinks
|
Hi Tim,
I reproduced your problem and then managed to go through a procedure to increase the number
|
25 Nov 2016, Thomas Lindner, Bug Report, problem with error code DB_NO_MEMORY from db_open_record() call when establish additional hotlinks
|
The procedure I wrote seemed to work for Tim too, so I added a page to the wiki about it here:
https://midas.triumf.ca/MidasWiki/index.php/FAQ
|
14 Oct 2016, Luka Pavelic, Forum, Wiener PCIVME link
|
Hello,
I'm trying to make Wiener PCIVME link work with MIDAS.
In documentation/VME dirvers/ it's saying: "wevmemm.c PCI/VME Wiener board
|
14 Oct 2016, Konstantin Olchanski, Forum, Wiener PCIVME link
|
> Hello,
> I'm trying to make Wiener PCIVME link work with MIDAS.
> In documentation/VME dirvers/ it's saying: "wevmemm.c PCI/VME Wiener board
|
14 Oct 2016, Pierre-Andre Amaudruz, Forum, Wiener PCIVME link
|
> > Hello,
> > I'm trying to make Wiener PCIVME link work with MIDAS.
> > In documentation/VME dirvers/ it's saying: "wevmemm.c PCI/VME Wiener
|
13 Oct 2016, Konstantin Olchanski, Info, new odbinit utility
|
odbinit is a new utility program to initialize new ODB and to recover from corrupted ODB.
Right now, midas odb has some strange properties different from typical behavior of other
|
06 Jul 2016, Zhe Wang, Suggestion, Frontend crush on high event rate
|
Dear friends,
We have some questions on using midas.
|
09 Jul 2016, Zhe Wang, Suggestion, Frontend crush on high event rate
|
Dear friends,
I may add a little more information.
|
10 Jul 2016, Zhe Wang, Suggestion, Frontend crush on high event rate
|
Dear friends,
In case anyone need the source code, it is attached.
|
13 Jul 2016, Zhe Wang, Suggestion, Frontend crush on high event rate
|
Somehow I don't understand why people's reply is only in my mail box.
So I pasted them here. I hope they don't mind and these information may be useful for others.
|
13 Jul 2016, Zhe Wang, Suggestion, Frontend crush on high event rate
|
Suggestion from John and my reply.
> We have achieved very high rates, but only with some care.
|
13 Jul 2016, Zhe Wang, Suggestion, Frontend crush on high event rate
|
More suggestions from John and my reply.
|
30 Sep 2016, Konstantin Olchanski, Suggestion, Frontend crush on high event rate
|
>
> More suggestions from John and my reply.
>
|
23 Aug 2016, Andreas Suter, Forum, Alarm/Warning
|
Midas has a nice alarm system. I am wondering whether it is easily possible to
get the Alarm/Warning banner also on top of custom pages?! |
23 Aug 2016, Stefan Ritt, Forum, Alarm/Warning
|
> Midas has a nice alarm system. I am wondering whether it is easily possible to
> get the Alarm/Warning banner also on top of custom pages?!
|
30 Sep 2016, Konstantin Olchanski, Forum, Alarm/Warning
|
> > Midas has a nice alarm system. I am wondering whether it is easily possible to
> > get the Alarm/Warning banner also on top of custom pages?!
>
|
09 Sep 2016, Amy Roberts, Suggestion, AJAX jmsg "get messages since t" ability - add to docs?
|
I recently needed to watch the Midas messages for a particular error - and
thus needed a command to "get all the messages since a time t".
|
30 Sep 2016, Konstantin Olchanski, Suggestion, AJAX jmsg "get messages since t" ability - add to docs?
|
> I recently needed to watch the Midas messages for a particular error - and
> thus needed a command to "get all the messages since a time t".
>
|
13 Jun 2016, Konstantin Olchanski, Info, mongoose v6.4 is ready for use
|
latest version of mongoose web server library (v6.4) is now implemented in midas. To try it out, edit
the Makefile, comment-out USE_MONGOOSE4, uncomment USE_MONGOOSE6, make clean,
make.
|
13 Sep 2016, Konstantin Olchanski, Info, mongoose v6.4 is ready for use
|
> latest version of mongoose web server library (v6.4) is now implemented in midas.
A number of bugs were found in the mongoose v6 implementation of HTTP digest authentication:
|
26 Sep 2016, Wes Gohn, Info, mongoose v6.4 is ready for use
|
Since updating to the most recent midas commit, we get the following error if we try running mhttpd without su privileges:
>mhttpd -e CR --http 8081
|
26 Sep 2016, Konstantin Olchanski, Info, mongoose v6.4 is ready for use
|
> Since updating to the most recent midas commit, we get the following error if we try running mhttpd without su privileges:
>
> >mhttpd -e CR --http 8081
|
10 Mar 2016, Thomas Lindner, Info, New rootana forum | rootana web display tools
|
We have started a new elog for discussions of the ROOTANA MIDAS analyzer package
[1], which is used at TRIUMF and elsewhere for quick displays of MIDAS data.
|
16 Sep 2016, Konstantin Olchanski, Info, New rootana forum | rootana web display tools
|
> We have started a new elog for discussions of the ROOTANA MIDAS analyzer package
Posting there is almost like talking to oneself - barely anybody is subscribed, not even me.
|
08 Aug 2016, Konstantin Olchanski, Release, Merged - new pure html web pages: programs and alarms.
|
The code for the new pure html and javascript web pages was merged into main midas.
In this release, the "programs" and "alarms" pages are implemented as html files, see
|
13 Jun 2016, Konstantin Olchanski, Bug Fix, example ssl certificate removed
|
I removed the example ssl certificate from the midas git repository (ssl_cert.pem). Now every midas
installation must generate their own certificate - because to have any security at all each encryption
private key has to be unique (and it has to be secret).
|
13 Jun 2016, Konstantin Olchanski, Info, running mhttpd on port 443
|
mhttpd running as non-root cannot bind to standard https port 443. By default, mhttpd uses port
8443 and it works just fine, but some applications such as the SSLlabs https tester insist on using
port 443.
|
11 May 2016, Thomas Lindner, Info, MacOS 10.11 (El Capitan) openssl compilation errors
|
I recently upgraded my macbook to MacOS 10.11. The compilation of MIDAS failed after the upgrade,
complaining about
|
12 May 2016, Stefan Ritt, Info, MacOS 10.11 (El Capitan) openssl compilation errors
|
> I recently upgraded my macbook to MacOS 10.11. The compilation of MIDAS failed after the upgrade,
> complaining about
>
|
17 May 2016, Konstantin Olchanski, Info, openssl situation, MacOS 10.11 (El Capitan) openssl compilation errors
|
> I recently upgraded my macbook to MacOS 10.11.
> [ and midas would not compile ]
> It seems that MacOS has now fully removed openssl ...
|
22 Apr 2016, Wes Gohn, Bug Report, Calling external script from sequencer
|
Can the MIDAS Sequencer call an external script? It seems that it should be able to. I have a simple
test script to do so. It claims to execute, but the bash script never appears to be executed. Any
suggestions?
|
22 Apr 2016, Wes Gohn, Bug Report, Calling external script from sequencer
|
Nevermind. I just had to give it a path to my script. Now it's fine.
> Can the MIDAS Sequencer call an external script? It seems that it should be able to. I have a simple
|
22 Mar 2016, Konstantin Olchanski, Info, emacs web-mode.el
|
For those who use emacs to edit web pages - the built-in CSS and Javascript modes seem to work
just fine for editing files.css and files.js, but the built-in html modes fall flat on modern web pages
which contain a mix of html, javascript inside <script> tags and javascript inside button "onclick"
|
18 Mar 2016, William Page, Bug Report, incomplete copy using odbedit copy
|
Hi,
Attempting to copy a subtree to a new location in the ODB using odbedit with "copy <src> <dest>" is
|
22 Mar 2016, Stefan Ritt, Bug Report, incomplete copy using odbedit copy
|
> Hi,
>
> Attempting to copy a subtree to a new location in the ODB using odbedit with "copy <src> <dest>" is
|
09 Mar 2016, Konstantin Olchanski, Info, /Experiment/Edit on start/Edit Run number
|
The MIDAS documentation here:
https://midas.triumf.ca/MidasWiki/index.php/Edit-on-start_Parameters
is missing informaiton about this ODB entry:
|
22 Feb 2016, ZiyiGuo, Forum, Problem with BLTRead
|
Dear all,
I'm using MIDAS system and CAEN V1721 to digitize the waveform from photomultipliers (
|
23 Feb 2016, Pierre-Andre Amaudruz, Forum, Problem with BLTRead
|
> Dear all,
>
> I'm using MIDAS system and CAEN V1721 to digitize the waveform from photomultipliers (
|
02 Mar 2016, ZiyiGuo, Forum, Problem with BLTRead
|
> > Dear all,
> >
> > I'm using MIDAS system and CAEN V1721 to digitize the waveform from photomultipliers (
|
10 Dec 2015, Amy Roberts, Suggestion, script command limited to 256 characters; remove limit?
|
Both the /Script and /CustomScript trees in the ODB allow users to trigger a
script via Midas - which silently truncates command strings longer than
256 characters.
|
28 Jan 2016, Konstantin Olchanski, Suggestion, script command limited to 256 characters; remove limit?
|
Thank you for reporting this problem:
a) ODB key *names* are restricted to 31 characters (32 bytes, last byte is a NUL), not 256 characters.
|
28 Jan 2016, Amy Roberts, Suggestion, script command limited to 256 characters; remove limit?
|
Using low-level memory allocation routines in higher-level programs like mhttpd makes me nervous.
We could use vector arrays to allow variable-sized allocation, and use the data() member function to access the char* needed for functions like strlcat,
|
26 Feb 2016, Konstantin Olchanski, Suggestion, script command limited to 256 characters; remove limit?
|
> Using low-level memory allocation routines in higher-level programs like mhttpd makes me nervous.
It should not, people have used malloc() for decades now without much injury to themselves. (Thomas corrects me: some people had big injury to their pride, |
05 Feb 2016, Thomas Lindner, Suggestion, reducing sleep time in mhttpd main loop (for sequencer)
|
There were some complaints that the MIDAS sequencer was slow. Specifically, the
complaint was that even lines in the sequence that didn't do any (like COMMENT
commands) tooks > 100ms to execute. These slow sequencer steps could be a
|
05 Feb 2016, Thomas Lindner, Suggestion, reducing sleep time in mhttpd main loop (for sequencer)
|
> There were some complaints that the MIDAS sequencer was slow. Specifically, the
> complaint was that even lines in the sequence that didn't do any (like COMMENT
> commands) tooks > 100ms to execute. These slow sequencer steps could be a
|
06 Feb 2016, Stefan Ritt, Suggestion, reducing sleep time in mhttpd main loop (for sequencer)
|
> There were some complaints that the MIDAS sequencer was slow. Specifically, the
> complaint was that even lines in the sequence that didn't do any (like COMMENT
> commands) tooks > 100ms to execute. These slow sequencer steps could be a
|
15 Feb 2016, Thomas Lindner, Suggestion, reducing sleep time in mhttpd main loop (for sequencer)
|
> > I checked how much extra CPU was used if the sleep was reduced from 100ms to
> > 20ms. I found that when a sequence was not running the CPU increased from 0% to
|
15 Feb 2016, Stefan Ritt, Suggestion, reducing sleep time in mhttpd main loop (for sequencer)
|
> Hmm, yeah, I'm not sure about how to handle reducing the wait time to zero after ODB set commands.
>
> But it does seem like it would be straight-forward to increase the sleep time for waits; I'll look into
|
30 Nov 2015, Konstantin Olchanski, Release, Final MIDAS JSON-RPC API
|
The final bits of the JSON-RPC API to MIDAS are committed. The API uses the Javascript Promise mechanism (supported on all
supported platforms - MacOS, Windows, Linux Ubuntu, el5, el6, el7).
|
02 Dec 2015, Konstantin Olchanski, Release, Final MIDAS JSON-RPC API
|
> The final bits of the JSON-RPC API to MIDAS are committed.
Here is example conversion of the function "generate midas message" from old-style AJAX to JSON-RPC:
|
28 Jan 2016, Konstantin Olchanski, Release, Final MIDAS JSON-RPC API
|
> > The final bits of the JSON-RPC API to MIDAS are committed.
JSON-RPC methods are now provided for all old ODBxxx() javascript functions, except ODBGetMsg().
|
05 Jan 2016, Tom Stuttard, Suggestion, 64 bit bank type
|
I've seen that a similar question has been asked in 2011 but I'll ask again in
case there are any updates. Is there any way to write 64-bit data words to MIDAS
banks (other than breaking them up in to two 32-bit words, such as 2 DWORDs)
|
05 Jan 2016, Konstantin Olchanski, Suggestion, 64 bit bank type
|
> I've seen that a similar question has been asked in 2011 but I'll ask again in
> case there are any updates. Is there any way to write 64-bit data words to MIDAS
> banks (other than breaking them up in to two 32-bit words, such as 2 DWORDs)
|
19 Jan 2016, Tom Stuttard, Suggestion, 64 bit bank type
|
> > I've seen that a similar question has been asked in 2011 but I'll ask again in
> > case there are any updates. Is there any way to write 64-bit data words to MIDAS
> > banks (other than breaking them up in to two 32-bit words, such as 2 DWORDs)
|
10 Dec 2015, Stefan Ritt, Info, Small change in loading .odb files
|
A small change in loading .odb files has been implemented. When you load an array from a .odb file, the indices in each line were not evaluated, only the
complete array was loaded. In our experiment we need however to load only a few values, like some HV values for some channels but leaving the other values
as they are. I changed slightly the code of db_paste() to correctly evaluate the index in each line of the .odb file. This way one can write for example |
27 Nov 2015, Konstantin Olchanski, Info, updated: note on midas history
|
(update: resolve all FIXMEs, document the breakup of "structured banks")
This note documents the workings of the midas history.
|
24 Aug 2015, Konstantin Olchanski, Info, note on midas history
|
>
> * |
01 Sep 2015, Konstantin Olchanski, Info, note on midas history
|
Sorting |
29 Oct 2015, Konstantin Olchanski, Info, synchronous ajax deprecated
|
If using a synchronous AJAX call, such as "foo=ODBGet("/runinfo/state");", google chrome will prints this to the javascript console:
"Synchronous XMLHttpRequest on the main thread is deprecated because of its detrimental effects to the end user's experience. For more help, check http://xhr.spec.whatwg.org/."
|
29 Oct 2015, Amy Roberts, Info, synchronous ajax deprecated
|
We're using mhttpd for calls that end up working better with asynchronous requests, and we've built up sort of a parallel, asynchronous library using javascript
Promises.
|
30 Oct 2015, Stefan Ritt, Info, synchronous ajax deprecated
|
> We're using mhttpd for calls that end up working better with asynchronous requests, and we've built up sort of a parallel, asynchronous library using
javascript Promises.
>
|
18 Nov 2015, Amy Roberts, Info, synchronous ajax deprecated
|
> Why don't you post the functions here so that we can have a look?
Here is (1) my promisified HTTP request function and (2) a function that uses the returned promises to build an asynchronous, sequential chain of requests |
18 Nov 2015, Konstantin Olchanski, Info, synchronous ajax deprecated
|
> > Why don't you post the functions here so that we can have a look?
> Here is (1) my promisified HTTP request function and (2) a function that uses the returned promises to build an asynchronous, sequential chain of requests
to Midas.
|
19 Nov 2015, Amy Roberts, Info, synchronous ajax deprecated
|
> Right now the JSON-RPC client library does not check the return status of MIDAS calls themselves, i.e. ODBGet("/nonexistant") will go to Promise.resolve()
with
> the MIDAS db_find_key() status DB_NO_KEY instead of Promise.reject(). So some error handling in Promise.resolve() is still required.
|
02 Nov 2015, Konstantin Olchanski, Info, synchronous ajax deprecated
|
> We're using mhttpd for calls that end up working better with asynchronous requests, and we've built up sort of a parallel, asynchronous library using
javascript Promises.
>
|
17 Nov 2015, Konstantin Olchanski, Info, synchronous ajax deprecated
|
> > We're using mhttpd for calls that end up working better with asynchronous requests, and we've built up sort of a parallel, asynchronous library using
javascript Promises.
|
18 Nov 2015, Amy Roberts, Info, synchronous ajax deprecated
|
> I checked again on browser compatibility:
>
> el6: firefox 38 - ok, google-chrome 27 - no
|
26 Nov 2015, Konstantin Olchanski, Info, browser compatibility test: synchronous ajax deprecated
|
> > I checked again on browser compatibility:
> >
> > el6: firefox 38 - ok, google-chrome 27 - no
|
27 Nov 2015, Konstantin Olchanski, Info, synchronous ajax deprecated
|
> > I checked again on browser compatibility:
> >
> > el6: firefox 38 - ok, google-chrome 27 - no
|
24 Nov 2015, Robert Pattie, Forum, rpc_client_dispatch error
|
I'm trying to set up an experiment with 2 frontends for the first time. When I
start the remote frontend I get the following errors:
|
25 Nov 2015, Konstantin Olchanski, Forum, rpc_client_dispatch error
|
Not clear on what you are doing, so here is the brief description:
- you have two machines - say "midas" and "frontend"
|
20 Nov 2015, Konstantin Olchanski, Info, midas wiki doxygen documentation links
|
I updated the links on the midas wiki to the doxygen-generated documentation for MIDAS that you
get after running "git clone midas; cd midas; make dox; firefox html/index.html".
|
16 Oct 2015, Konstantin Olchanski, Info, midas JSON-RPC interface
|
To improve on the existing HTTP "GET" based AJAX interface to MIDAS, I have been looking at other possible RPCs.
The JSON-RPC standard looks to be the most interesting and my experimental implementation now reached the point where other midas users are welcome to |
29 Oct 2015, Konstantin Olchanski, Info, midas JSON-RPC interface
|
>
> My implementation follows these internet standards:
>
|
29 Oct 2015, Konstantin Olchanski, Info, javascript docs, midas JSON-RPC interface
|
> JSON-RPC interface
For interfacing to MIDAS just from browser javascript, the user does not need to know anything about JSON-RPC, all the user-level mjsonrpc_xxx() functions |
02 Nov 2015, Konstantin Olchanski, Info, midas JSON-RPC interface
|
> >
> > JSON-RPC My implementation follows these internet standards:
> >
|
11 Nov 2015, Konstantin Olchanski, Info, merged: midas JSON-RPC interface
|
The JSON RPC branch has been merged into main MIDAS. Other than adding new functions, there are no changes to existing MIDAS functionality.
This is the current JSON RPC schema: (from the MIDAS Help page)
|
20 Nov 2015, Konstantin Olchanski, Info, documented, merged: midas JSON-RPC interface
|
> The JSON RPC branch has been merged into main MIDAS.
The interface is now mostly documented, go here: https://midas.triumf.ca/MidasWiki/index.php/Mjsonrpc
|
16 Jul 2015, Thomas Lindner, Bug Report, jset/ODBSet using true/false for booleans
|
MIDAS does not seem to be consistent (or at least convenient) with how it
handles booleans in AJAX functions.
|
29 Jul 2015, Stefan Ritt, Bug Report, jset/ODBSet using true/false for booleans
|
See bitbucket for the solution.
https://bitbucket.org/tmidas/midas/issues/29/jset-odbset-using-true-false-for-booleans#comment-20550474 |
25 Sep 2015, Konstantin Olchanski, Bug Report, jset/ODBSet using true/false for booleans
|
> MIDAS does not seem to be consistent (or at least convenient) with how it
> handles booleans in AJAX functions.
|
11 Nov 2015, Konstantin Olchanski, Bug Report, jset/ODBSet using true/false for booleans
|
> > MIDAS does not seem to be consistent (or at least convenient) with how it
> > handles booleans in AJAX functions.
|
05 Nov 2015, Amy Roberts, Bug Report, deferred transition causes sequencer to fail
|
When using the sequencer to start and stop runs which use a deferred transition,
the sequencer fails with a "Cannot stop run: ..." error.
|
28 Sep 2015, Anthony Villano, Suggestion, Feature Request: MIDAS sequencer abort.
|
I am working for the SuperCDMS collaboration on some DAQ issues for our upcoming
SNOLAB installation. So far, the MIDAS sequencer seems to be a good paradigm
|
22 Oct 2015, Konstantin Olchanski, Suggestion, Feature Request: MIDAS sequencer abort.
|
> it would be useful to have a kind of scripted "abort" for when something goes wrong ...
How about having the sequencer switching from the aborted sequence file to the special "abort" sequence file? That
|
22 Oct 2015, Stefan Ritt, Suggestion, Feature Request: MIDAS sequencer abort.
|
> > it would be useful to have a kind of scripted "abort" for when something goes wrong ...
>
> How about having the sequencer switching from the aborted sequence file to the special "abort" sequence file? That
|
24 Oct 2015, Stefan Ritt, Suggestion, Feature Request: MIDAS sequencer abort.
|
> It would be useful to have it be specified for each script. Reason is that it's simpler, some scripts might only
> change a few sensitive settings, then on abort it only has to set back to "normal" what it touched to begin with.
> Also, the "normal" values are usually stored in local variables, so it's important to have those similarly accessible
|
15 Oct 2015, Amy Roberts, Forum, lazylogger: a little less lazy?
|
We're using the lazylogger to trigger a script that copies files, and the lag
between a completed file appearing and the lazylogger trigger occasionally feels
uncomfortably long. It's not too bad - at most, around five or so minutes. But
|
23 Sep 2015, Peter Kravtsov, Forum, db_paste_node error in offline analyzer
|
I have a problem with using analyzer offline.
I'm trying to do it this way:
|
25 Sep 2015, Konstantin Olchanski, Forum, db_paste_node error in offline analyzer
|
> I have a problem with using analyzer offline.
...
> [Analyzer,INFO] Set run number 20 in ODB
|
03 Mar 2015, Zaher Salman, Forum, Starting program from custom page
|
I am trying to start a program (fronend) from a custom page. What is the best
way to do that? Would ODBRpc() do this? if so can anyone give me an example of
how to do this. Thanks. |
03 Mar 2015, Stefan Ritt, Forum, Starting program from custom page
|
> I am trying to start a program (fronend) from a custom page. What is the best
> way to do that? Would ODBRpc() do this? if so can anyone give me an example of
> how to do this. Thanks.
|
03 Mar 2015, Zaher Salman, Forum, Starting program from custom page
|
> > I am trying to start a program (fronend) from a custom page. What is the best
> > way to do that? Would ODBRpc() do this? if so can anyone give me an example of
> > how to do this. Thanks.
|
03 Mar 2015, Stefan Ritt, Forum, Starting program from custom page
|
> Hi Stefan, thanks for the quick reply. I guess my question was not clear enough.
>
> My aim is to create a button which mimics the "Start/Stop" button functionality in the
|
03 Mar 2015, Zaher Salman, Forum, Starting program from custom page
|
Thank you very much, this is exactly what I need and it works.
Zaher
|
22 Sep 2015, Zaher Salman, Forum, Starting program from custom page
|
Just in case anyone needs this in the future I am adding a comment about this issue. After a few months of working
with this solution we noticed that when using
|
23 Sep 2015, Konstantin Olchanski, Forum, Starting program from custom page
|
Good news, on the new experimental branch feature/jsonrpc, I have implemented all 3 program management functions - start program,
stop program and "is running?" as JSON-RPC methods. On that branch, the midas "programs" page is done completely using
javascript.
|
16 Sep 2015, Konstantin Olchanski, Info, midas wiki upgraded
|
The midas wiki at https://midas.triumf.ca has been upgraded to mediawiki version 1.25.2 (current
production version). If you see any problems, please report them on this forum. K.O. |
16 Sep 2015, Konstantin Olchanski, Forum, midas forum elog updated
|
the midas forum elog is updated to latest version from Stefan - ELOG V3.1.1-b4d2a37 built from git sources. K.O. |
09 Sep 2015, Thomas Lindner, Info, mhttpd/SSL error message on MacOS
|
On my macbook (OS X 10.10.3) I get this error message when starting mhttpd with mongoose-SSL:
[mhttpd,ERROR] [mhttpd.cxx:17092:mongoose,ERROR] mongoose web server error: set_ssl_option:
|
11 Sep 2015, Konstantin Olchanski, Info, mhttpd/SSL error message on MacOS
|
> On my macbook (OS X 10.10.3) I get this error message when starting mhttpd with mongoose-SSL:
>
> [mhttpd,ERROR] [mhttpd.cxx:17092:mongoose,ERROR] mongoose web server error: set_ssl_option:
|
22 May 2015, Konstantin Olchanski, Info, mhttpd HTTPS/SSL server updated
|
I updated the mhttpd HTTPS/SSL server (mongoose) and https://www.ssllabs.com/ssltest/index.html is
now more or less happy with it. google chrome connects using "modern cryptography".
|
07 Jul 2015, Konstantin Olchanski, Info, mhttpd HTTPS/SSL server updated
|
> mhttpd uses the latest release of mongoose 4.2 which is no longer supported by
> author. Latest version of mongoose is 5.x which has a severely improved API, but removed automatic
> multithreading.
|
15 Jul 2015, Konstantin Olchanski, Info, mhttpd HTTPS/SSL server updated
|
> > mhttpd uses the latest release of mongoose 4.2
mhttpd is now explicitly linked with OpenSSL to provide secure https connections via the mongoose web server.
|
12 Aug 2015, Konstantin Olchanski, Info, mhttpd HTTPS/SSL server updated
|
> > > mhttpd uses the latest release of mongoose 4.2
HTTPS support is completely broken in mongoose.c between July 28th (1bc9d8eae48f51ceb73ffd918046cfe74d286909)
|
27 Aug 2015, Konstantin Olchanski, Info, mhttpd HTTPS/SSL server updated
|
Stefan identified a serious multi-thread locking bug in mhttpd that affects the operation of the sequencer (a race condition between db_set_record() and
db_get_record() inside the hotlink code). This is now fixed. If you use the sequencer, please update mhttpd.cxx to the latest (or to this) version.
|
31 Aug 2015, Konstantin Olchanski, Info, mhttpd HTTPS/SSL server updated
|
Configuration of web server completely changed (merge of branch feature/mongoose-config2). Hopefully for the last time.
mhttpd is now controlled by these ODB variables:
|
21 Aug 2015, Thomas Lindner, Info, mhttpd HTTPS/SSL server updated
|
>
> I recommend that you use "mhttpd --mg" as the alternative for running "mhttpd -p" behind an apache
> proxy. Using "mhttpd -p" (no HTTPS/SSL) on an internet-connected machine is insecure and should not be
|
27 Aug 2015, Konstantin Olchanski, Info, mhttpd HTTPS/SSL server updated
|
>
> I find that I don't understand this recommendation to use secure mongoose
> instead of putting mhttpd behind an apache proxy.
|
09 Sep 2015, Thomas Lindner, Info, mhttpd HTTPS/SSL server updated
|
> >
> > I find that I don't understand this recommendation to use secure mongoose
> > instead of putting mhttpd behind an apache proxy.
|
11 Sep 2015, Konstantin Olchanski, Info, mhttpd HTTPS/SSL server updated
|
>
> Thanks for the detailed explanation. I agree with your recommendations. I was mostly interested in having both options treated equally in the documentation.
>
|
09 Sep 2015, Thomas Lindner, Info, Documentation regarding specifying custom pages
|
Hi,
We have recently been changing the code in mhttpd that maps custom web pages and resources to
|
02 Sep 2015, Konstantin Olchanski, Info, mlogger history changes
|
The git branch feature/logger_db_watch is getting ready for merging into main midas.
The main change in the logger is the switch from db_open_record() to db_watch() as the
|
20 Aug 2015, Thomas Lindner, Bug Report, MIDAS message page auto-size (horizontally) is annoying
|
New version of MIDAS has a feature where it seems to automatically resize the
message page horizontally in order to fix each MIDAS message into one line.
Some of my MIDAS messages (in particular error messages, where I need details)
|
21 Aug 2015, Stefan Ritt, Bug Report, MIDAS message page auto-size (horizontally) is annoying
|
> New version of MIDAS has a feature where it seems to automatically resize the
> message page horizontally in order to fix each MIDAS message into one line.
> Some of my MIDAS messages (in particular error messages, where I need details)
|
19 Aug 2015, Pierre Gorel, Bug Report, Sequencer limits
|
While I know some of those limits/problems have been already been reported from
DEAP (and maybe corrected in the last version), I am recording them here:
|
19 Aug 2015, Pierre-Andre Amaudruz, Bug Report, Sequencer limits
|
These issues have been addressed by Stefan during his visit at Triumf last month.
The latest git has those fixes.
|
19 Aug 2015, Konstantin Olchanski, Bug Report, Sequencer limits
|
>
> See LOOP doc
> LOOP cnt, 10
|
20 Aug 2015, Stefan Ritt, Bug Report, Sequencer limits
|
> > - ODBGet (and ODBSet?) does seem to be able to take a variable as a path... I
> > was trying to use an array whose index would be incremented.
>
|
24 Jul 2015, Konstantin Olchanski, Info, Plans for improving midas network security
|
There is a number of problems with network security in midas. (as separate from
web/http/https security).
|
28 Jul 2015, Konstantin Olchanski, Info, Plans for improving midas network security
|
New git branch "feature/rpcsecurity" implements these security features:
- all UDP ports are bound to the localhost interface - connections from outside are not possible
|
12 Aug 2015, Konstantin Olchanski, Info, Merged - improved midas network security
|
> New git branch "feature/rpcsecurity" implements these security features:
Branch was merged into main midas with a few minor changes:
|
14 Aug 2015, Stefan Ritt, Info, Merged - improved midas network security
|
I tested the new scheme and am quite happy with. Just a minor thing. When I change the ACL, I get messages from all attached programs, like:
[local:Online:S]RPC hosts>set "Allowed hosts[1]" "host.psi.ch"
|
14 Aug 2015, Konstantin Olchanski, Info, Merged - improved midas network security
|
> [local:Online:S]RPC hosts>set "Allowed hosts[1]" "host.psi.ch"
> [ODBEdit,INFO] Reloading RPC hosts access control list via hotlink callback
|
10 Aug 2015, Wes Gohn, Forum, bk_create change
|
After pulling the newest version of midas, our compilation would fail on
bk_create, with the error:
|
10 Aug 2015, Konstantin Olchanski, Forum, bk_create change
|
> bk_create()
> frontend.cpp:954: error: invalid conversion from ‘DWORD**’ to ‘void**’
|
15 Jul 2015, Konstantin Olchanski, Info, ROOT support in flux
|
ROOT support in MIDAS is being reworked:
a) ROOT support moved from midas.h to rmidas.h
|
22 Jul 2015, Konstantin Olchanski, Info, ROOT support in flux
|
> ROOT support in MIDAS is being reworked:
>
> c) Makefile inconsistency between use of ROOTSYS and use of root-config has been identified,
|
22 Jul 2015, Konstantin Olchanski, Info, ROOT support in flux
|
> > ROOT support in MIDAS is being reworked:
> >
> > c) Makefile inconsistency between use of ROOTSYS and use of root-config has been identified,
|
29 Jul 2015, Konstantin Olchanski, Info, ROOT support in flux
|
The preliminary version of the .bashrc blurb looks like this
(a couple of flaws:
1) identification of CentOS7 is incomplete - please send me a patch
|
15 Jul 2015, Konstantin Olchanski, Info, mlogger improvements
|
A set of improvements to mlogger is in:
a) event buffer (SYSTEM) size up to 2GB
|
23 Jul 2015, Konstantin Olchanski, Info, rootana lz4 support, mlogger improvements
|
> A set of improvements to mlogger is in:
> b) test version of LZ4 high speed compression, support for bzip2 and pbzip2
|
23 Jul 2015, Konstantin Olchanski, Info, mlogger improvements
|
> A set of improvements to mlogger is in:
> The current test version implements the following selections of "compression":
>
|
29 Jul 2015, Konstantin Olchanski, Info, mlogger improvements - CRC32C, SHA-2
|
> A set of improvements to mlogger is in:
Preliminary support for CRC32-zlib, CRC32C, SHA-256 and SHA-512 is in. Checksums are computed correctly, but plumbing configuration is
|
29 Jul 2015, Javier Praena, Forum, error
|
Hello, I am new in the forum. We are running an experiment for a week with no
problems. Now we add a detector a we found an error. Even we come back to our
previous configuration the error continues appearing. Please, may someone help
|
29 Jul 2015, Wes Gohn, Forum, error
|
SIGSEGV is a segmentation fault. Most often it means some ODB parameter is out of bounds or there is
an invalid memcpy somewhere in your code.
|
29 Jul 2015, Konstantin Olchanski, Forum, error
|
> Hello, I am new in the forum. We are running an experiment for a week with no
> problems. Now we add a detector a we found an error. Even we come back to our
> previous configuration the error continues appearing. Please, may someone help
|
24 Jul 2015, Konstantin Olchanski, Info, Plans for improving midas network security
|
There is a number of problems with network security in midas. (as separate from web/http/https security).
1) too many network sockets are unnecessarily bound to the external network interface instead of localhost (UDP ports are already bound to localhost on |
24 Jul 2015, Konstantin Olchanski, Info, MAX_EVENT_SIZE removed
|
The define for MAX_EVENT_SIZE was removed from midas.h.
Replacing it is DEFAULT_MAX_EVENT_SIZE set to 4 MiBytes and DEFAULT_BUFFER_SIZE
|
15 Jul 2015, Konstantin Olchanski, Bug Fix, compiler warnings cleaned up
|
Latest C/C++ compilers (MacOS 10.10, GCC on RHEL7 and Ubuntu) generate a large number of new
warnings about unused variables, unused functions, dead code, failure to check return values of system
calls, etc.
|
08 Jul 2015, Pierre-Andre Amaudruz, Forum, Midas seminar
|
Dear Midas users,
For the upcoming "Midas Seminar" on the July 15th, you can find the necessary
|
09 Jun 2015, Michael McEvoy, Forum, Midas-MSCB SCS2000 integration
|
I am using the MSCB SCS2000 to monitor slow control variables (temperatures, voltages, etc). I am trying to
get it set up at fermilab as a test stand in the MC1 building and was wondering if anyone has integrated
Midas with a MSCB SCS2000 before. We have two systems at fermilab, one system that is currently running
|
10 Jun 2015, Stefan Ritt, Forum, Midas-MSCB SCS2000 integration
|
> If anyone has any ideas or has had previous work with the SCS2000 and knows how to read back the
> internal values please let me know.
|
03 Jun 2015, Pierre-Andre Amaudruz, Forum, Midas seminar
|
Dear Midas users,
As promise, the first Midas seminar is happening.
|
13 May 2015, Andreas Suter, Forum, Check if Client is running from Javascript
|
Is there currently an easy way to check from javascript if a midas client is
running? I mean an equivalent to cm_exist.
|
13 May 2015, Stefan Ritt, Forum, Check if Client is running from Javascript
|
[quote="Andreas Suter"]Is there currently an easy way to check from javascript if a midas client is
running? I mean an equivalent to cm_exist.
|
13 May 2015, Thomas Lindner, Forum, Check if Client is running from Javascript
|
[quote="Andreas Suter"]Is there currently an easy way to check from javascript if a midas client is
running? I mean an equivalent to cm_exist.
|
14 May 2015, Andreas Suter, Forum, Check if Client is running from Javascript
|
Thanks a lot! This helps for now.
[quote="Thomas Lindner"][quote="Andreas Suter"]Is there currently an easy way to check from javascript if a midas client is
running? I mean an equivalent to cm_exist.
|
13 May 2015, Konstantin Olchanski, Forum, Check if Client is running from Javascript
|
> Is there currently an easy way to check from javascript if a midas client is running? I mean an equivalent
to cm_exist.
|
07 May 2015, Konstantin Olchanski, Info, midas.triumf.ca https ssl certificate update
|
The SSL certificate for https://midas.triumf.ca has been resigned with SHA256 to fix the complaint from google-chrome about SHA1-signed certificate -
SHA1 signatures are now considered to be insufficiently secure, have to be replaced by SHA256.
|
05 May 2015, Pierre-Andre Amaudruz, Forum, Midas seminar
|
Dear Midas users,
As part of our commitment to Midas improvements, this year Dr. Stefan Ritt is coming to Vancouver
|
17 Mar 2015, Wes Gohn, Forum, PosgresQL
|
For our MIDAS installation at Fermilab, it is necessary that we be able to write to a PosgresQL
database (MySQL is not supported here). This will be required of both mlogger and mscb.
|
17 Mar 2015, Lee Pool, Forum, PosgresQL
|
> For our MIDAS installation at Fermilab, it is necessary that we be able to write to a PosgresQL
> database (MySQL is not supported here). This will be required of both mlogger and mscb.
>
|
27 Jan 2015, Konstantin Olchanski, Bug Report, getaddrinfo()
|
To support IPV6, we need to migrate MIDAS from gethostbyname() to getaddrinfo(). (Thanks to
http://www.openwall.com/lists/oss-security/2015/01/27/9). K.O. |
15 Dec 2014, Amy Roberts, Forum, lock ODB variables within sequencer?
|
Hello,
I'm wondering if it would be possible to add the ability to lock ODB variables as
|
13 Nov 2014, Tim Gorringe, Forum, using single frontend with multiple "EQ_POLLED" equipments to generate different data streams
|
We have a MIDAS frontend that provides both the readout of raw events
|
13 Nov 2014, Pierre-Andre Amaudruz, Forum, using single frontend with multiple "EQ_POLLED" equipments to generate different data streams
|
Hi Tim,
Multiple Polling equipment are possible, but you may have to balance the polling
|
12 Nov 2014, Robert Pattie, Forum, struct mismatch
|
Hi all,
I've started receiving the following error that I can't track down. Does
anyone have a suggestion for where to start looking for the cause of this?
|
19 May 2014, Razvan Stefan Gornea, Forum, Weird problem on new installation
|
Hello,
I have a very weird problem on a new installation of Midas running also new code. My old code was written with the CAEN VME
library and run from an older PC with a CAEN interface. I now moved to a GEFanuc V7769 with a Tundra II bridge and the frontend is using the UniverseII |
22 May 2014, Razvan Stefan Gornea, Forum, Weird problem on new installation
|
I reduced the parameter space a little bit and I think the problem is somewhere in the framework. What I did is first to make a short program which accesses
the ODB and I was able to access the Settings record. Everything seems to work fine, if parts or all of the record is missing then it is created automatically,
etc. |
27 May 2014, Razvan Stefan Gornea, Forum, Weird problem on new installation
|
I investigated further this problem and this is what I think is going on. Essentially when creating the Settings key, the framework scans all the subkeys
of the parent key to see if any are open. If that's the case it then returns an error on opening the Settings key! Here are the details:
|
06 Nov 2014, Stefan Ritt, Forum, Weird problem on new installation
|
[quote="Razvan Stefan Gornea"]In my case I have the following structure in ODB right before the framework calls frontend_init():
/Equipment/CAEN_V1740 [B][CLOSE][/B]
/Equipment/CAEN_V1740/Variables [B][CLOSE][/B]
|
26 May 2014, Clemens Sauerzopf, Forum, Running a frontend on Arduino Yun
|
Hello,
I'm trying to get a frontend running on an arduino yun single board computer
|
26 May 2014, Konstantin Olchanski, Forum, Running a frontend on Arduino Yun
|
> I'm trying to get a frontend running on an arduino yun single board computer
> (cpu is Atheros AR9331 and OS is a linux derivate
> http://arduino.cc/en/Main/ArduinoBoardYun )
|
27 May 2014, Clemens Sauerzopf, Forum, Running a frontend on Arduino Yun
|
Ok, I'm currently trying to get things running, setting up a crosscompiler toolchain for the Arduino Yun is fairly
easy, just follow the tutorial on the OpenWrt webpage.
|
27 May 2014, Konstantin Olchanski, Forum, Running a frontend on Arduino Yun
|
> Ok, I'm currently trying to get things running, setting up a crosscompiler toolchain for the Arduino Yun is fairly
> easy, just follow the tutorial on the OpenWrt webpage.
>
|
28 May 2014, Clemens Sauerzopf, Forum, Running a frontend on Arduino Yun
|
Thank you very much for your input, it finally works. I succeeded in crosscompiling the frontend and running it on the ArduinoYun. The 64 MB RAM is more
than
enough to run the mserver and a frontend and connect to a remote midas server over ethernet or wifi.
|
24 Oct 2014, Clemens Sauerzopf, Forum, Running a frontend on Arduino Yun
|
Hello,
I'm currently trying to create a midas bank for basic temperature reading from the Arduino Yun, but when creating a bank the frontend crashed with a segfault, |
24 Oct 2014, Stefan Ritt, Forum, Running a frontend on Arduino Yun
|
> Hello,
>
> I'm currently trying to create a midas bank for basic temperature reading from the Arduino Yun, but when creating a bank the frontend crashed with a |
24 Oct 2014, Konstantin Olchanski, Forum, Running a frontend on Arduino Yun
|
> INT read_event(char *pevent, INT off)
> {
> WORD *data;
|
02 Nov 2014, Stefan Ritt, Forum, Running a frontend on Arduino Yun
|
> With the correct definition, you should get a compile error (type mismatch).
>
> With the wrong current definition, you should have gotten a warning about "use of uninitialized variable 'data'", but some compilers with some settings |
14 Oct 2014, Konstantin Olchanski, Bug Report, Hostile network scans against MIDAS RPC ports
|
At CERN I see a large number of hostile network scans that seem to be injecting HTTP requests into the
MIDAS RPC ports. So far, all these requests seem to be successfully rejected without crashing anything, but
they do clog up midas.log.
|
14 Oct 2014, Stefan Ritt, Bug Report, Hostile network scans against MIDAS RPC ports
|
Doing this through the ODB seems ok to me. If the ODB cannot be accessed, you can fall back to no protection.
At PSI we fortunately do not have these network scans because PSI uses a institute-wide firewall. So you can connect from outside PSI to inside PSI only |
16 Oct 2014, Konstantin Olchanski, Bug Report, Hostile network scans against MIDAS RPC ports
|
> Doing this through the ODB seems ok to me. If the ODB cannot be accessed, you can fall back to no protection.
>
> At PSI we fortunately do not have these network scans because PSI uses a institute-wide firewall.
|
16 Oct 2014, Stefan Ritt, Bug Report, Hostile network scans against MIDAS RPC ports
|
> Sometimes we have very small MIDAS installations, i.e. just one machine by itself, and such setups should be secure/secured easily -
> too much work to setup an external firewall box just for one machine and OS-level firewall rules sometimes conflict
> with some OS services (i.e. NIS) (I am still waiting for the "NIS to LDAP migration for dummies" guide).
|
14 Oct 2014, Konstantin Olchanski, Bug Report, Problem in mfe multithread equipments
|
In the ALPHA experiment at CERN I found a problem in mfe.c handling of multithreaded equipments. This problem was in
some forms introduced around May 2013 and around Aug 2013 (commit
https://bitbucket.org/tmidas/midas/src/45984c35b4f7/src/mfe.c) (I hope I got it right).
|
14 Oct 2014, Konstantin Olchanski, Bug Report, Problem in mfe multithread equipments
|
For my reference:
good version: https://bitbucket.org/tmidas/midas/src/6899b96a4f8177d4af92035cd84aadf5a7cbc875/src/mfe.c?at=develop
first breakage: https://bitbucket.org/tmidas/midas/src/c60259d9a244bdcd296a8c5c6ab0b91de27f9905/src/mfe.c?at=develop
|
15 Oct 2014, Stefan Ritt, Bug Report, Problem in mfe multithread equipments
|
You are absolutely correct, the code is certainly wrong. It looks to me like the
while (rbh)
|
15 Oct 2014, Stefan Ritt, Bug Report, Problem in mfe multithread equipments
|
Please disregard my previous posting, you don't need the while loop, since it's already in the scheduler (around lines 2160 under /*---- send interrupt
events ----*/).
|
16 Oct 2014, Stefan Ritt, Bug Report, Problem in mfe multithread equipments
|
> while (1)
> wait 10 ms for an event
> process event, loop back
|
14 Oct 2014, Konstantin Olchanski, Bug Report, Problem with EQ_USER
|
If you use EQ_USER in mfe.c and have multiple threads writing into the ring buffer, you will have a big
problem - the thread locking in the ring buffer code only works for a single writer thread and a single
reader thread.
|
15 Oct 2014, Stefan Ritt, Bug Report, Problem with EQ_USER
|
Sure, each thread needs its own ring buffer for writing.
So I see that we need back the multiple-ring-buffer-readout-scheme even before MEG will start. So what you need is something like
|
16 Oct 2014, Stefan Ritt, Bug Report, Problem with EQ_USER
|
I restructured the front-end code to enable multiple readout threads for EQ_USER equipment. Last summer I was definitively interrupted during
that work and left it in an half finished state, sorry for that.
|
16 Jul 2014, Clemens Sauerzopf, Forum, CAEN V1742 midas driver
|
Hello all,
as discussed in the thread about Interrupt triggered readout
|
08 Sep 2014, Clemens Sauerzopf, Forum, CAEN V1742 midas driver
|
Hello all,
As an addition to the driver functions I uploaded in this thread I would also have a
|
11 Jul 2014, Konstantin Olchanski, Info, MIDAS high speed test
|
We have tested operation of MIDAS using a 10GigE network connection. Using a dummy frontend
generating fake data, we can record MIDAS data to disk at at least 700 Mbytes/sec as reported by
the MIDAS status page.
|
06 Aug 2014, Konstantin Olchanski, Info, MIDAS high speed test
|
> We have tested operation of MIDAS using a 10GigE network connection. Using a dummy frontend
> generating fake data, we can record MIDAS data to disk at at least 700 Mbytes/sec as reported by
> the MIDAS status page.
|
10 Jul 2014, Clemens Sauerzopf, Forum, Adding Interrupt handling to SIS3100 driver
|
Hello,
we are using the Struck SIS 3100 VME interface for our experiment, but the midas
|
11 Jul 2014, Pierre-Andre Amaudruz, Forum, Adding Interrupt handling to SIS3100 driver
|
> Hello,
>
> we are using the Struck SIS 3100 VME interface for our experiment, but the midas
|
14 Jul 2014, Clemens Sauerzopf, Forum, Adding Interrupt handling to SIS3100 driver
|
Hi Pierre-Andre,
thanks for your comments. If I understand you correctly you are advising to separate the
|
15 Jul 2014, Pierre-Andre Amaudruz, Forum, Adding Interrupt handling to SIS3100 driver
|
Hello Clemens,
The hardware readout is triggered by the interrupt within this thread. The main thread poll on
|
06 Aug 2014, Clemens Sauerzopf, Forum, Adding Interrupt handling to SIS3100 driver
|
Hello Pierre-Andre,
thank you for your help with the interrupt handling. To close this case I'll
|
07 Jul 2014, Ryu Sawada, Bug Report, mhist does not show history when -s option is used
|
When I use -s option of mhist, it does not show history, for example.
[code]
|
06 Jun 2014, Alexey Kalinin, Forum, problem with writing data on disk
|
Hello,
Our experiment based on MIDAS 2.x DAQ.
I'm using several identical frontend-%d with only lam source & event id changed,
|
16 Jun 2014, Alexey Kalinin, Forum, problem with writing data on disk
|
Hello, once again.
What I found is when I tryed to stop the run, mlogger still working and writing some
data, that i'm sure is not right, because frontend's are in stopped state
|
18 Jun 2014, Alexey Kalinin, Forum, problem with writing data on disk
|
Hello,
I'm in deppression.
I removed Everything from computer with mserver and reinstall system and midas.
|
27 May 2014, Scott Oser, Suggestion, Saving ODB values in a sequencer script
|
I have a possibly simple feature request for the MIDAS sequencer. It would be
helpful to be able to save an ODB key's value to a variable, for later use, and
would be the analogue of the ODBSET command. I had in mind an application where
|
12 Jun 2014, Stefan Ritt, Suggestion, Saving ODB values in a sequencer script
|
> I have a possibly simple feature request for the MIDAS sequencer. It would be
> helpful to be able to save an ODB key's value to a variable, for later use, and
> would be the analogue of the ODBSET command. I had in mind an application where
|
12 Jun 2014, Scott Oser, Suggestion, Saving ODB values in a sequencer script
|
Thanks, this seems very helpful, and we'll give it a try.
> > I have a possibly simple feature request for the MIDAS sequencer. It would be
|
26 May 2014, Dan Melconian, Suggestion, "Edit-on-end" would be nice
|
We use the "Edit-on-start" and it's great. But sometimes, something breaks
during the run, or you didn't realize you forgot to plug in a cable, or
whatever. It'd be nice to have an "Edit-on-end" where you could prompt the user
|
26 May 2014, Stefan Ritt, Suggestion, "Edit-on-end" would be nice
|
We have similar demands, and we solve it in the following:
We use a run database. In the simplest case, this can be a text file which gets written at the end of the file. The
|
28 Apr 2014, Tom Stuttard, Forum, Words written as zero in Midas bank
|
Hi,
I am having some trouble with the data in my Midas bank. I am filling a midas
|
15 Apr 2014, Wes Gohn, Forum, C++11 error
|
I am having some trouble creating a frontend that interacts with some libraries that use C++11.
The flag I added to my MIDAS Makefile to get the C++11 part of the code to work is -std=c++0x. This
|
16 Apr 2014, Stefan Ritt, Forum, C++11 error
|
> I am having some trouble creating a frontend that interacts with some libraries that use C++11.
>
> The flag I added to my MIDAS Makefile to get the C++11 part of the code to work is -std=c++0x. This
|
16 Apr 2014, Wes Gohn, Forum, C++11 error
|
> > I am having some trouble creating a frontend that interacts with some libraries that use C++11.
> >
> > The flag I added to my MIDAS Makefile to get the C++11 part of the code to work is -std=c++0x. This
|
17 Apr 2014, Stefan Ritt, Forum, C++11 error
|
> Thanks for the suggestion. It looks like it is instead the TRIGGER_ALL that is causing the problem. TRIGGER_ALL is defined as -1 in midas.h. If I replace
TRIGGER_ALL with 0 in the
> frontend, it compiles, but if I use -1, I get the same error. I do not think that I want my trigger mask set to 0. Do you have a suggestion of how to |
17 Mar 2014, Zhi Li, Forum, [need help] simple example frontend for CAEN VX1721
|
Dear guys,
I’m Zhi Li from China, and I’m now working on my graduation project, which now
|
17 Mar 2014, Pierre-Andre Amaudruz, Forum, [need help] simple example frontend for CAEN VX1721
|
Hi Li,
You mention that you've got the wavedump working. It suggests that you have a A3818
|
17 Mar 2014, Zhi Li, Forum, [need help] simple example frontend for CAEN VX1721
|
Hi Pierre,
Thanks for your instructions. Before I run the wavedump software, I need to load a driver file for A2818, thus I think I've got this interface of A2818.
|
12 Mar 2014, Andreas Suter, Info, Windows support droped?
|
In the old SVN midas world it was typically such that the Windows dll's and
exe's were ready to be used when checking out. I am not so sure this is the case
for the current version, since when I use the packed dll's and exe's (e.g.
|
14 Mar 2014, Konstantin Olchanski, Info, Windows support droped?
|
> In the old SVN midas world it was typically such that the Windows dll's and
> exe's were ready to be used when checking out.
|
17 Mar 2014, Stefan Ritt, Info, Windows support droped?
|
> The Windows executables are no longer included in the midas git repository. Old versions are still available in
> the git repository - they got pulled in during conversion from svn.
>
|
11 Mar 2014, Andreas Suter, Forum, mlogger problem
|
I stumbled over a problem which I cannot pin point and would appreciate suggestions.
I set up an experiment, and all of a sudden I noticed the following behaviour.
|
11 Mar 2014, Stefan Ritt, Forum, mlogger problem
|
[quote="Andreas Suter"]I stumbled over a problem which I cannot pin point and would appreciate suggestions.
I set up an experiment, and all of a sudden I noticed the following behaviour.
|
11 Mar 2014, Andreas Suter, Forum, mlogger problem
|
[quote="Stefan Ritt"][quote="Andreas Suter"]I stumbled over a problem which I cannot pin point and would appreciate suggestions.
I set up an experiment, and all of a sudden I noticed the following behaviour.
|
14 Mar 2014, Konstantin Olchanski, Forum, mlogger problem
|
> I stumbled over a problem which I cannot pin point and would appreciate suggestions.
>
> [nemu@lem00 2014]$ odbedit -e nemu
|
14 Mar 2014, Konstantin Olchanski, Info, midas wiki updated to mediawiki 1.22.4
|
The midas wiki at https://midas.triumf.ca was updated to mediawiki 1.22.4 - the latest production version.
If you see any problems, please report them to this elog. K.O. |
27 Feb 2014, Andreas Suter, Suggestion, runlog is "ugly"
|
I have a couple of questions and suggestions concerning the "new" CSS style of the mhttpd, especially related to the runlog
[LIST=1]
[*] If I am not mistaken, the mhttpd.css is hard coded (path/name) into the mhttpd. Wouldn't it be beneficial to have ODB entries where to get is from? |
27 Feb 2014, Konstantin Olchanski, Suggestion, runlog is "ugly"
|
> If I am not mistaken, the mhttpd.css is hard coded (path/name) into the mhttpd.
mhttpd.css is served from $MIDASSYS/resources/mhttpd.css. The actual path is reported on the mhttpd
|
28 Feb 2014, Andreas Suter, Suggestion, runlog is "ugly"
|
Understand me right, I mostly like the new style, except the runlog as reported.
Attached you will find the diff's you were asking for. But as pointed out, I
haven't worked so far on CSS and hence this should be checked!!
|
28 Feb 2014, Stefan Ritt, Suggestion, runlog is "ugly"
|
> If I am not mistaken, the mhttpd.css is hard coded (path/name) into the mhttpd.
I agree that this should be removed, Unfortunately I'm away right now, so I will fix it next week. Also will put in
|
07 Mar 2014, Stefan Ritt, Suggestion, runlog is "ugly"
|
I put mhttpd.css and mhttpd.js into the ODB, so every experiment can change it. I put also Andreas' modifications of the CSS file for the runlog table and
committed the changes.
|
11 Feb 2014, Randolf Pohl, Forum, Huge events (>10MB) every second or so
|
I'm looking into using MIDAS for an experiment that creates one large event
(20MB or more) every second.
|
11 Feb 2014, Stefan Ritt, Forum, Huge events (>10MB) every second or so
|
> I'm looking into using MIDAS for an experiment that creates one large event
> (20MB or more) every second.
>
|
18 Feb 2014, Konstantin Olchanski, Forum, Huge events (>10MB) every second or so
|
> I'm looking into using MIDAS for an experiment that creates one large event
> (20MB or more) every second.
|
01 Mar 2014, Randolf Pohl, Forum, Huge events (>10MB) every second or so
|
Works, and here is how I did it. The attached example is based on the standard MIDAS
example in "src/midas/examples/experiment".
|
01 Mar 2014, Stefan Ritt, Forum, Huge events (>10MB) every second or so
|
> Works, and here is how I did it. The attached example is based on the standard MIDAS
> example in "src/midas/examples/experiment".
|
23 Feb 2014, Andre Frankenthal, Bug Report, Installation failing on Mac OS X 10.9 -- related to strlcat and strlcpy
|
Hi,
I don't know if this actually fits the Bug Report category. I've been trying to install Midas on my Mac OS
|
27 Feb 2014, Konstantin Olchanski, Bug Report, Installation failing on Mac OS X 10.9 -- related to strlcat and strlcpy
|
>
> I don't know if this actually fits the Bug Report category. I've been trying to install Midas on my Mac OS
> Mavericks and I keep getting errors like "conflicting types for '___builtin____strlcpy_chk' ..." and similarly for
|
27 Feb 2014, Andre Frankenthal, Bug Report, Installation failing on Mac OS X 10.9 -- related to strlcat and strlcpy
|
> >
> > I don't know if this actually fits the Bug Report category. I've been trying to install Midas on my Mac OS
> > Mavericks and I keep getting errors like "conflicting types for '___builtin____strlcpy_chk' ..." and similarly for
|
23 Feb 2014, William Page, Forum, db_check_record() for verifying structure of ODB subtree
|
Hi,
I have been trying to use db_check_record() in order to verify that a subtree in the ODB has the correct
|
21 Feb 2014, Konstantin Olchanski, Info, Javascript ODBMLs(), modified ODBMCopy() JSON encoding
|
I made a few minor modifications to the ODB JSON encoder and implemented a javascript "ls" function to
report full ODB directory information as available from odbedit "ls -l" and the mhttpd odb editor page.
|
23 Sep 2013, Stefan Ritt, Info, Custom page header implemented
|
Due to popular request, I implemented a custom header for mhttpd. This allows to inject some HTML code
to be shown on top of the menu bar on all mhttpd pages. One possible application is to bring back the old
status line with the name of the current experiment, the actual time and the refresh interval.
|
12 Feb 2014, Stefan Ritt, Info, Custom page header implemented
|
As reported in the bug tracker, the proposed header does not work if no specific (= different from the default 60 sec.) update period is specified,
since then no cookie is present. Here is the updated code which works for all cases:
|
18 Feb 2014, Konstantin Olchanski, Info, Custom page header implemented
|
I am not sure what to do with the javascript snippet - I understand it should be somehow connected to /Custom/Header, but if I create the /Custom/Header
string, I cannot put this snippet
into this string using odbedit - if I try to cut&paste it into odbedit, it is truncated to the first line - nor using the mhttpd odb editor - when I cut&paste |
19 Feb 2014, Stefan Ritt, Info, Custom page header implemented
|
> I am not sure what to do with the javascript snippet
Just read elog:908, it tells you to put this into a file, name it header.html for example, and put into the ODB:
|
29 Jan 2014, Konstantin Olchanski, Bug Fix, make dox
|
The capability to generate doxygen documentation of MIDAS was restored.
Use "make dox" and "make cleandox",
|
30 Jan 2014, Stefan Ritt, Bug Fix, make dox
|
> The capability to generate doxygen documentation of MIDAS was restored.
>
> Use "make dox" and "make cleandox",
|
18 Feb 2014, Konstantin Olchanski, Bug Fix, make dox
|
> > The capability to generate doxygen documentation of MIDAS was restored.
> >
> > Use "make dox" and "make cleandox",
|
19 Feb 2014, Stefan Ritt, Bug Fix, make dox
|
> On most Linux systems, doxygen is easy to install. Red Hat instructions are here:
> http://www.triumf.info/wiki/DAQwiki/index.php/SLinstall#Install_packages_needed_for_QUARTUS.2C_ROOT.2C_EPICS_and_MIDAS_DAQ
>
|
31 Jan 2014, Stefan Ritt, Info, Separation of MSCB subtree
|
Since several projects at PSI need MSCB but not MIDAS, I decided to separate the two repositories. So if you
need MIDAS with MSCB support inside mhttpd, you have to clone MIDAS, MXML and MSCB from bitbucket
(or the local clone at TRIUMF) as described in
|
18 Feb 2014, Konstantin Olchanski, Info, Separation of MSCB subtree
|
> Since several projects at PSI need MSCB but not MIDAS, I decided to separate the two repositories. So if you
> need MIDAS with MSCB support inside mhttpd, you have to clone MIDAS, MXML and MSCB from bitbucket
> (or the local clone at TRIUMF) as described in
|
11 Feb 2014, Andreas Suter, Bug Report, mhttpd, etc.
|
I found a couple of bugs in the current mhttpd, midas version: "93fa5ed"
This concerns all browser I checked (firefox, chrome, internet explorer, opera)
|
11 Feb 2014, Stefan Ritt, Bug Report, mhttpd, etc.
|
[quote="Andreas Suter"]I found a couple of bugs in the current mhttpd, midas version: "93fa5ed"[/quote]
See my reply on the issue tracker:
|
15 Jan 2014, Konstantin Olchanski, Bug Report, MIDAS password protection is broken
|
If you follow the MIDAS documentation for setting up password protection, you will get strange messages:
ladd00:midas$ ./linux/bin/odbedit
|
15 Jan 2014, Konstantin Olchanski, Bug Report, MIDAS password protection is broken
|
> I through to improve this by fixing a bug in cm_msg_log() (where the messages are coming from)
The periodic messages about broken semaphore actually come from al_check(). I put some whining there, too.
|
05 Feb 2014, Stefan Ritt, Bug Report, MIDAS password protection is broken
|
> If you follow the MIDAS documentation for setting up password protection, you will get strange messages:
This is interesting. When I used it last time (some years ago...) it worked fine. I did not touch this, and now it's broken. Must be related to some modifications |
15 Jan 2014, Konstantin Olchanski, Bug Report, MIDAS Web password broken
|
The MIDAS Web password function is broken - with the web password enabled, I am not prompted for a
password when editing ODB. The password still partially works - I am prompted for the web password
when starting a run. K.O.
|
05 Feb 2014, Stefan Ritt, Bug Report, MIDAS Web password broken
|
> The MIDAS Web password function is broken - with the web password enabled, I am not prompted for a
> password when editing ODB. The password still partially works - I am prompted for the web password
> when starting a run. K.O.
|
16 Jan 2014, Konstantin Olchanski, Info, MIDAS and "international characters", UTF-8 and Unicode.
|
I made some tests of MIDAS support for "international characters" and we seem to be in a reasonable
shape.
|
15 Jan 2014, Konstantin Olchanski, Bug Fix, Fixed spurious symlinks to midas.log
|
In some experiments (i.e. DEAP), we see spurious symlinks to midas.log scattered just about everywhere. I
now traced this to an uninitialized variable in cm_msg_log() and it should be fixed now. K.O. |
17 Dec 2013, Stefan Ritt, Info, IEEE Real Time 2014 Call for Abstracts
|
Hello,
I'm co-organizing the upcoming Real Time Conference, which covers also the field of data acquisition, so it might be interesting for people working
|
16 Dec 2013, Konstantin Olchanski, Bug Fix, Abolished SYNC and ASYNC defines
|
A few months ago, definitions of SYNC and ASYNC in midas.h have been changed away from "0" and "1",
and this caused problems with some event buffer management functions bm_xxx().
|
16 Dec 2013, Konstantin Olchanski, Info, MIDAS on ARM
|
I added MIDAS Makefile rules for building ARM binaries: "make linuxarm" and "make cleanarm" will create
(and clean) object files, libraries and executables under "linux-arm" using the TI Sitara ARM SDK or the
Yocto SDK ARM cross-compilers (GCC 4.7.x and 4.8.x respectively). (Makefile rules for building PPC
|
28 Nov 2013, Konstantin Olchanski, Info, Audit of fixed size arrays
|
In one of the experiments, we hit a long time bug in mdump - there was an array of 32 equipments and if
there were more than 32 entries under /equipment, it would overrun and corrupt memory. Somehow this
only showed up after mdump was switched to c++. The solution was to use std::vector instead of fixed
|
20 Nov 2013, Konstantin Olchanski, Bug Report, Too many bm_flush_cache() in mfe.c
|
I was looking at something in the mserver and noticed that for remote frontends, for every periodic event,
there are about 3 RPC calls to bm_flush_cache().
|
21 Nov 2013, Stefan Ritt, Bug Report, Too many bm_flush_cache() in mfe.c
|
> And I think that works just fine for frontends directly connected to the shared memory, one call to
> bm_flush_buffer() should be sufficient.
|
15 Nov 2013, Konstantin Olchanski, Bug Report, stuck data buffers
|
We have seen several times a problem with stuck data buffers. The symptoms are very confusing -
frontends cannot start, instead hang forever in a state very hard to kill. Also "mdump -s -d -z
BUF03" for the affected data buffers is stuck.
|
14 Nov 2013, Konstantin Olchanski, Bug Report, MacOS10.9 strlcpy() problem
|
On MacOS 10.9 MIDAS will crashes in strlcpy() somewhere inside odb.c. We think this is because strlcpy()
in MacOS 10.9 was changed to abort() if input and output strings overlap. For overlapping memory one is
supposed to use memmove(). This is fixed in current midas, for older versions, you can try this patch:
|
09 Nov 2013, Razvan Stefan Gornea, Forum, Installation problem
|
Hi,
I run into problems while trying to install Midas on Slackware 14.0. In the past
|
10 Nov 2013, Stefan Ritt, Forum, Installation problem
|
Seems to me a problem with the ODBC library, so maybe Konstantin can comment.
/Stefan |
11 Nov 2013, Konstantin Olchanski, Forum, Installation problem
|
> I run into problems while trying to install Midas on Slackware 14.0.
Thank you for reporting this. We do not have any slackware computers so we cannot see these message usually.
|
11 Nov 2013, Konstantin Olchanski, Forum, Installation problem
|
> > I run into problems while trying to install Midas on Slackware 14.0.
>
> b) an actual error in fal.c:
|
13 Nov 2013, Konstantin Olchanski, Forum, Installation problem
|
> > I run into problems while trying to install Midas on Slackware 14.0.
>
> Thank you for reporting this. We do not have any slackware computers so we cannot see these message usually.
|
13 Nov 2013, Stefan Ritt, Forum, Installation problem
|
> got around to look at compile messages on ubuntu: in addition to "variable 'error' set but not used" we have these:
>
> warning: ignoring return value of 'ssize_t write(int, const void*, size_t)'
|
14 Nov 2013, Razvan Stefan Gornea, Forum, Installation problem
|
Hi, Thanks a lot for the response! Yes to search packages and list their content in Slackware it is pretty similar to your illustration. Slackware seems
to use iODBC in which case it would link with -liodbc I guess.
root@lheppc83:~# slackpkg file-search sql.h |
14 Nov 2013, Konstantin Olchanski, Forum, Installation problem
|
# slackpkg file-search sql.h
[ installed ] - libiodbc-3.52.7-x86_64-2
...
|
12 Nov 2013, Stefan Ritt, Forum, Installation problem
|
The warnings with the set but unused variables are real. While John O'Donnell proposed:
==========
|
14 Nov 2013, Konstantin Olchanski, Forum, Installation problem
|
> #include "use.h"
> { USED int i=foo(); }
|
22 Oct 2013, Konstantin Olchanski, Info, midas programs "auto start", etc
|
MIDAS "programs" settings include: /programs/xxx/"auto start", "auto restart" and "auto stop". What do
they do?
|
06 Nov 2013, Stefan Ritt, Info, midas programs "auto start", etc
|
> "programs auto start" : works but has strange interactions and side effects, do not use it.
> "programs auto stop" : works, can be used to stop programs at the end of run (but what for?)
> "programs auto restart" : works, seems to work correctly, can be used to auto restart mlogger, frontends,
|
25 Oct 2013, Konstantin Olchanski, Bug Fix, fixed mlogger run auto restart bug
|
A problem existed in midas for some time: when recording long data sets of time (or event) limited runs
with logger run auto restart set to "yes", the runs will automatically stop and restart as expected, but
sometimes the run will stop and never restart and beam will be lost until the experiment operator on shift
|
25 Oct 2013, Stefan Ritt, Bug Fix, fixed mlogger run auto restart bug
|
> A problem existed in midas for some time: when recording long data sets of time (or event) limited runs
> with logger run auto restart set to "yes", the runs will automatically stop and restart as expected, but
> sometimes the run will stop and never restart and beam will be lost until the experiment operator on shift
|
28 Oct 2013, Konstantin Olchanski, Bug Fix, fixed mlogger run auto restart bug
|
>
> More generally I kind of consider the mlogger auto restart facility as deprecated. It works in the background and the operator does not have a clue
> what is going on. We use now the sequencer to achieve exactly the same functionality.
|
28 Oct 2013, Stefan Ritt, Bug Fix, fixed mlogger run auto restart bug
|
> Does the sequencer survive a crash or a restart of mhttpd?
Yes. Of course runs will not be started/stopped when mhttpd is not running, but when you restart it gracefully continues where it stopped, since all variables |
01 Oct 2013, Konstantin Olchanski, Info, MacOS select() problem
|
The following code found in mhttpd does not work on MacOS (BSD UNIX).
On Linux, the do-loop will finish after 2 seconds as expected. On MacOS (and other BSD systems), it will
|
25 Oct 2013, Konstantin Olchanski, Info, MacOS select() problem
|
> The following code found in mhttpd does not work on MacOS (BSD UNIX). ...
Because of this problem, on MacOS, run transitions can get stuck forever - most timeouts do not work. (Specifically, recv_string() never times out)
|
22 Oct 2013, Konstantin Olchanski, Info, audit of db_get_record()
|
Record-oriented ODB functions db_create_record(), db_get_record(), db_check_record() and
db_set_record() require special attention to the consistency between their "C struct"s (usually defined in
midas.h), their initialization strings (usually defined in midas.h) and the contents of ODB.
|
21 Aug 2013, Konstantin Olchanski, Info, Documentation for ODBGet() & co, Javascript and AJAX functions.
|
The bulk of the MIDAS AJAX and Javascript functions is now documented on the MIDAS Wiki:
https://midas.triumf.ca/MidasWiki/index.php/Mhttpd.js
|
22 Aug 2013, Konstantin Olchanski, Info, Documentation for ODBGet() & co, Javascript and AJAX functions.
|
> The bulk of the MIDAS AJAX and Javascript functions is now documented on the MIDAS Wiki:
>
> https://midas.triumf.ca/MidasWiki/index.php/Mhttpd.js
|
25 Sep 2013, Konstantin Olchanski, Info, Documentation for ODBGet() & co, Javascript and AJAX functions.
|
> > The bulk of the MIDAS AJAX and Javascript functions is now documented on the MIDAS Wiki:
> >
> > https://midas.triumf.ca/MidasWiki/index.php/Mhttpd.js
|
13 Sep 2013, Thomas Lindner, Bug Report, mhttpd truncates string variables to 32 characters
|
I find that new mhttpd has strange behaviour for ODB strings.
- I create a new STRING variable in ODB through mhttpd. It defaults to size 32.
|
13 Sep 2013, Konstantin Olchanski, Bug Report, mhttpd truncates string variables to 32 characters
|
I can confirm part of the problem - the new inline-edit function - after you finish editing - shows you what you
have typed, not what's actually in ODB - at the very end it should do an ODBGet() to load the actual ODB
|
18 Sep 2013, Konstantin Olchanski, Bug Report, mhttpd truncates string variables to 32 characters
|
I confirm the second part of the problem.
Inline edit uses ODBSet(), which uses the "jset" AJAX call to mhttpd which does not extend string variables.
|
24 Sep 2013, Stefan Ritt, Bug Report, mhttpd truncates string variables to 32 characters
|
> This is the jset code. The best I can tell it truncates string variables to the existing size in ODB:
>
> db_find_key(hDB, 0, str, &hkey)
|
24 Sep 2013, Stefan Ritt, Bug Report, mhttpd truncates string variables to 32 characters
|
Actually this was no bug, but a missing feature. Strings were never meant to be extended via the web interface.
Now I added that feature to the current version. Please check it.
|
14 Sep 2013, Konstantin Olchanski, Info, mktime() and daylight savings time
|
I would like to share with you a silly problem with mktime() and daylight savings time (Summer
time/Winter time) that I have run into while working on the mhttpd history query page.
|
24 Sep 2013, Stefan Ritt, Info, mktime() and daylight savings time
|
I vaguely remember that I had a similar problem with ELOG. The solution was to call tzset() at the beginning of the program. The man page says that
this function is called automatically by programs using time zones, but apparently it is not. Can you try that? There is also the TZ environment
variable and /etc/localtime. I never understood the details, but playing with these things can influence mktime() and localtime().
|
24 Sep 2013, Konstantin Olchanski, Info, mktime() and daylight savings time
|
> I vaguely remember that I had a similar problem with ELOG. The solution was to call tzset() at the beginning of the program. The man page says that
> this function is called automatically by programs using time zones, but apparently it is not. Can you try that? There is also the TZ environment
> variable and /etc/localtime. I never understood the details, but playing with these things can influence mktime() and localtime().
|
24 Sep 2013, Stefan Ritt, Info, mktime() and daylight savings time
|
> > I vaguely remember that I had a similar problem with ELOG. The solution was to call tzset() at the beginning of the program. The man page says that
> > this function is called automatically by programs using time zones, but apparently it is not. Can you try that? There is also the TZ environment
|
24 Sep 2013, Stefan Ritt, Info, mktime() and daylight savings time
|
> > > I vaguely remember that I had a similar problem with ELOG. The solution was to call tzset() at the beginning of the program. The man page says that
> > > this function is called automatically by programs using time zones, but apparently it is not. Can you try that? There is also the TZ environment |
13 Sep 2013, Carl Blaksley, Forum, MIDAS CITATION
|
Dear MIDAS programmers,
I have been using your software in my lab (APC, Paris)
|
13 Sep 2013, Konstantin Olchanski, Forum, MIDAS CITATION
|
>
> I have been using your software in my lab (APC, Paris)
> to run our data acqusition system. It is very robust and flexible.s
|
13 Sep 2013, Stefan Ritt, Forum, MIDAS CITATION
|
> Dear MIDAS programmers,
>
> I have been using your software in my lab (APC, Paris)
|
26 Aug 2013, Konstantin Olchanski, Bug Fix, Enable cross-site requests in mhttpd
|
Javascript "AJAX" functions (and their MIDAS wrappers - ODBGet/ODBSet) are subject to something called
"same origin policy" intended to prevent something called "cross-site scripting attacks", i.e. see
http://en.wikipedia.org/wiki/Same-origin_policy
|
02 Aug 2013, Konstantin Olchanski, Bug Fix, multithreaded run transitions work!
|
As of commit
https://bitbucket.org/tmidas/midas/commits/dfa5fb1a93cae11a2960d441044c7fd277e1f0ec
(we are now liberated from the tyranny of SVN IDs),
|
26 Jul 2013, Konstantin Olchanski, Bug Report, odbedit fixed size buffer overrun
|
odbedit uses a fixed size buffer for ODB data. If an array in ODB is bugger than this size,
db_get_data() correctly returns DB_TRUNCATED and there is no memory overwrite, but the following
code for printing the data does not know about this truncation and proceeds printing memory
|
26 Jul 2013, Konstantin Olchanski, Bug Report, abort on buffer overflow in odb.c::merge_records()
|
The odb.c function merge_records() has a fixed size array of 10000 bytes to handle the data and it
aborts with an assert() if passed data bigger than that. It is called from db_create_record() which
already allocates a data buffer of correct size for it's operations.
|
22 Jul 2013, Konstantin Olchanski, Info, MidasWiki at TRIUMF
|
We are happy to announce the creation of the MidasWiki at TRIUMF (https://midas.triumf.ca) as the
new location of MIDAS documentation, user instructions, examples, etc.
|
24 Jul 2013, Konstantin Olchanski, Info, MidasWiki at TRIUMF
|
> We are happy to announce the creation of the MidasWiki at TRIUMF
> https://midas.triumf.ca
|
22 Jul 2013, Konstantin Olchanski, Info, MIDAS source code converted from SVN to GIT
|
The MIDAS source code repository was converted from SVN to GIT, hosted as bitbucket:
https://bitbucket.org/tmidas.
|
22 Jul 2013, Stefan Ritt, Info, MIDAS source code converted from SVN to GIT
|
Konstantin forgot to tell people outside of TRIUMF how to get the newest version of MIDAS. Here it is:
$ git clone https://bitbucket.org/tmidas/midas.git
|
10 Jun 2013, Konstantin Olchanski, Forum, ladd00.triumf.ca https ssl certificate update, elogd update, relocation.
|
The HTTPS SSL certificate on ladd00.triumf.ca has been updated. Same as the old
certificate, the new one is self-signed and your web browser may complain about
that and ask you to "save a security exception".
|
07 May 2013, Konstantin Olchanski, Info, Updated: javascript custom page examples
|
I updated the MIDAS javascript examples in examples/javascript1. All existing mhttpd.js functions are
now exampled. (yes).
|
10 May 2013, Konstantin Olchanski, Info, Updated: javascript custom page examples
|
> ODBCopy(path, format); -- no doc
Updated example of ODBCopy:
|
10 May 2013, Konstantin Olchanski, Bug Fix, Fixed: crash if alarm "write elog message" is enabled
|
If the MIDAS Alarm property "write elog message" is enabled, an uninitialized variable "tag" is passed to
el_submit() and depending on your luck, cause a crash. "tag" is supposed to be and is now a NUL-
terminated string. The only other use of el_submit() is in mhttpd.cxx and mserver.c, where it is called
|
06 May 2013, Konstantin Olchanski, Info, TRIUMF MIDAS page moved to DAQWiki
|
The MIDAS web page at TRIUMF (http://midas.triumf.ca) moved from the daq-plone site to the DAQWiki
(MediaWiki) site. Links were updated, checked and corrected:
https://www.triumf.info/wiki/DAQwiki/index.php/MIDAS
|
06 May 2013, Konstantin Olchanski, Info, Recent-ish SVN changes at PSI
|
A little while ago, PSI made some changes to the SVN hosting. The main SVN URL seems to remain the
same, but SVN viewer moved to a new URL (it seems a bit faster compared to the old viewer):
https://savannah.psi.ch/viewvc/meg_midas/trunk/
|
30 Apr 2013, Konstantin Olchanski, Info, ROOT switched to GIT
|
Latest news - the ROOT project switched from SVN to GIT.
Announcement:
|
11 Apr 2013, Thorsten Lux, Forum, Persistent ipcrm error
|
Hello,
I have a problem with our DAQ which is based on Midas. Until now, for about 3 years, it worked quite well but since I tried to restart data taking after |
11 Apr 2013, Konstantin Olchanski, Forum, Persistent ipcrm error
|
> [system.c:308:ss_shm_open,ERROR] Shared memory segment with key 0x4d008002 already exists,
please remove it manually: ipcrm -M 0x4d008002
> [midas.c:1950:cm_connect_experiment1,ERROR] cannot open database
|
11 Apr 2013, Stefan Ritt, Forum, Persistent ipcrm error
|
[quote="Thorsten Lux"]In addition now I cannot start anymore the mlogger from the web interface but only manually. However, I can stop it from the web interface.[/quote]
At least that one can be fixed easily. Each program has a certain command with which one can start it. This has to be put into the ODB under /Programs/<program>. |
12 Apr 2013, Thorsten Lux, Forum, Persistent ipcrm error
|
[quote="Stefan Ritt"][quote="Thorsten Lux"]In addition now I cannot start
anymore the mlogger from the web interface but only manually. However, I can
stop it from the web interface.[/quote]
|
12 Apr 2013, Stefan Ritt, Forum, Persistent ipcrm error
|
> Hi Stefan,
>
|
12 Apr 2013, Thorsten Lux, Forum, Persistent ipcrm error
|
>
> > Hi Stefan,
> >
|
12 Apr 2013, Thorsten Lux, Forum, Persistent ipcrm error
|
Hi,
it seems that I solved the problem in a quite brutal way.
|
12 Apr 2013, Stefan Ritt, Forum, Persistent ipcrm error
|
> [odb.c:6038:db_paste,ERROR] found string exceeding MAX_STRING_LENGTH
Ok, so here is what probably happened. Some user program wrote a long string into the ODB and somehow corrupted it. This corruption persists as long as |
13 Feb 2013, Konstantin Olchanski, Info, Review of github and bitbucket
|
I have done a review of github and bitbucket as candidates for hosting GIT repositories for collaborative
DAQ-type projects. Here is my impressions.
|
14 Feb 2013, Stefan Ritt, Info, Review of github and bitbucket
|
Let me add my five cents:
We use bitbucket now since two months at PSI, and are very happy with it.
|
01 Apr 2013, Randolf Pohl, Info, Review of github and bitbucket
|
And my 2ct:
Go for git!
|
02 Apr 2013, Konstantin Olchanski, Info, Review of github and bitbucket
|
Hi, thanks for your positive feedback. I have been using git for small private projects for a few years now
and I like it. It is similar to the old SCCS days - good version control without having to setup servers,
accounts, doodads, etc.
|
02 Apr 2013, Randolf Pohl, Info, Review of github and bitbucket
|
Hi Konstantin,
> > * No central repo. Have all the history with you on the train.
|
03 Apr 2013, Stefan Ritt, Info, Review of github and bitbucket
|
> * "git bisect" for finding which commit introduced a (reproducible) bug.
I did not know this command, so I read about it. This IS WONDERFUL! I had once (actually with MSCB) the case that a bug was introduced i the last 100
|
03 Apr 2013, Randolf Pohl, Info, Review of github and bitbucket
|
> > * "git bisect" for finding which commit introduced a (reproducible) bug.
>
> I did not know this command, so I read about it. This IS WONDERFUL! I had once (actually with MSCB) the case that a bug was introduced i the last 100 |
08 Mar 2013, Konstantin Olchanski, Info, ODB /Experiment/MAX_EVENT_SIZE
|
Somebody pointed out an error in the MIDAS documentation regarding maximum event size
supported by MIDAS and the MAX_EVENT_SIZE #define in midas.h.
|
11 Feb 2013, Wes Gohn, Forum, send_tcp error
|
I am getting a series of errors from MIDAS that I do not understand, so I hope
someone can help me figure this out.
|
11 Feb 2013, Stefan Ritt, Forum, send_tcp error
|
> I am getting a series of errors from MIDAS that I do not understand, so I hope
> someone can help me figure this out.
>
|
11 Feb 2013, Wes Gohn, Forum, send_tcp error
|
> > I am getting a series of errors from MIDAS that I do not understand, so I hope
> > someone can help me figure this out.
> >
|
12 Feb 2013, Stefan Ritt, Forum, send_tcp error
|
Ok, now the picture is clearer. I have however no idea what the real problem is. The number of concurrent programs in midas is 64 as defined in midas.h
(MAX_CLIENTS) so that should not be the problem. In our experiment we run 10 front-ends (but
on 10 different machines) without problems. Other experiments used 27 front-ends.
|
19 Feb 2013, Wes Gohn, Forum, send_tcp error
|
Thank you for the help. As it turns out, the problem was due to the fact that we were compiling MIDAS on our 64 bit backend machine, but one of the frontend |
24 Jan 2013, Konstantin Olchanski, Info, Compression benchmarks
|
In the DEAP experiment, the normal MIDAS mlogger gzip compression is not fast enough for some data
taking modes, so I am doing tests of other compression programs. Here is the results.
|
06 Feb 2013, Stefan Ritt, Info, Compression benchmarks
|
I redid the tests from Konstantin for our MEG experiment at PSI. The event structure is different, so it
is interesting how the two different experiments compare. We have an event size of 2.4 MB and a trigger
rate of ~10 Hz, so we produce a raw data rate of 24 MB/sec. A typical run contains 2000 events, so has a
|
28 Jan 2013, Robert Pattie, Forum, analyzer cannot connect to the statistics database
|
I've managed to put the analyzer into state where it cannot connect to the
statistics database. The error message suggests another analyzer is connected.
I've recompiled MIDAS and the user code, restarted the computer etc..., and the
|
01 Feb 2013, Randolf Pohl, Forum, analyzer cannot connect to the statistics database
|
The simplest thing is probably to delete all files .[A-Z]*.SHM in the odb directory (the
one you specified in /etc/exptab).
This wipes the ODB, shared memory and all the other obscure stuff, giving you a clean,
|
01 Feb 2013, Stefan Ritt, Forum, analyzer cannot connect to the statistics database
|
> The simplest thing is probably to delete all files .[A-Z]*.SHM in the odb directory (the
> one you specified in /etc/exptab).
> This wipes the ODB, shared memory and all the other obscure stuff, giving you a clean,
|
09 Jan 2013, wenliang li, Bug Report, Outputting ADC and TDC data into ROOT tree with the MIDAS SVN Revision:5347.
|
Dear Midas Experts
I am Wenliang Li, a graduate student from University of Regina. Our group have
|
09 Jan 2013, Stefan Ritt, Bug Report, Outputting ADC and TDC data into ROOT tree with the MIDAS SVN Revision:5347.
|
Dear Bill,
the Midas analyzer "mana.c" is currently not maintained. At PSI we use the ROME framework (which might be too complicated for a
|
04 Jan 2013, Nabin Poudyal, Suggestion, how to start using midas
|
Please, tell me how to choose a value of a "key" like DCM, pulser period,
presamples, upper thresholds to run a experiment? where can I find the related
informations? |
14 Dec 2012, Robert Casperson, Bug Report, MIDAS does not function correctly on F17
|
When building MIDAS on Fedora 17 64-bit, the default zlib 1.2.5 shared library
is linked to. When recording data, the "/Logger/Channels/*/Statistics/Bytes
written" value does not get set correctly beyond the first few seconds of the
|
20 Dec 2012, Stefan Ritt, Bug Report, MIDAS does not function correctly on F17
|
If is not so easy to get out of zlib how many bytes have been written actually. I used an undocumented function,
which breaks down on 64-bit systems.
|
18 Dec 2012, xelap, Forum, midas installation on SL6.3
|
I try to do make in zlib folder and got this
cc -O -o example example.o -L. -lz
/usr/bin/ld: errno: TLS definition in /lib/libc.so.6 section .tbss mismatches
|
14 Dec 2012, Vinzenz Bildstein, Suggestion, Midas + Elog with SSL
|
I've been trying to set up midas to create an automatic elog entry at the end of
each run and I've run into a problem. I've setup an elog on our server which
uses SSL and it seems that the melog provided by midas to create logbook entries
|
14 Dec 2012, Stefan Ritt, Suggestion, Midas + Elog with SSL
|
> I've been trying to set up midas to create an automatic elog entry at the end of
> each run and I've run into a problem. I've setup an elog on our server which
> uses SSL and it seems that the melog provided by midas to create logbook entries
|
17 Dec 2012, Vinzenz Bildstein, Suggestion, Midas + Elog with SSL
|
> > I've been trying to set up midas to create an automatic elog entry at the end of
> > each run and I've run into a problem. I've setup an elog on our server which
> > uses SSL and it seems that the melog provided by midas to create logbook entries
|
12 Dec 2012, Shaun Mead, Bug Report, ss_thread_kill() kills entire program
|
Hi, I'm having some trouble getting ss_thread_kill() to work properly. It seems
to kill the entire program instead
of just the thread. Here is a test program to show the error:
|
13 Dec 2012, Stefan Ritt, Bug Report, ss_thread_kill() kills entire program
|
The Linux thread functionality was introduced by Konstantin, so he might have a better idea about that.
What I usually do is a graceful thread shutdown just by a flag. Like
|
13 Dec 2012, Konstantin Olchanski, Bug Report, ss_thread_kill() kills entire program
|
> Hi, I'm having some trouble getting ss_thread_kill() to work properly. It seems
> to kill the entire program instead of just the thread.
|
13 Dec 2012, Shaun Mead, Bug Report, ss_thread_kill() kills entire program
|
> > Hi, I'm having some trouble getting ss_thread_kill() to work properly. It seems
> > to kill the entire program instead of just the thread.
>
|
30 Aug 2012, Raquel Castillo, Forum, MIDAS in Windows
|
Hi,
I need to install MIDAS on a Windows system (Microsoft Windows Server 2003).
|
31 Aug 2012, Pierre-Andre Amaudruz, Forum, MIDAS in Windows
|
Hi Raquel,
The makefile.nt has been corrected.
|
23 Oct 2012, Raquel Castillo, Forum, MIDAS in Windows
|
Hi Pierre-André,
sorry for the long delay, another things keep me out of this computer.
|
27 Sep 2012, Randolf Pohl, Bug Fix, [PATCH] mana.c compile fix, gz files
|
Hi,
I had to apply the attached patch to convince SuSE Linux 12.2 to compile mana.c
|
09 Oct 2012, Stefan Ritt, Bug Fix, [PATCH] mana.c compile fix, gz files
|
> Hi,
>
> I had to apply the attached patch to convince SuSE Linux 12.2 to compile mana.c
|
16 Aug 2012, Cheng-Ju Lin, Bug Report, launching roody kills the analyzer
|
Hi All,
I've installed midas (Rev:5294) on SLC6.3 (64bit), along with recent trunk versions of rootana and roody.
|
16 Aug 2012, Cheng-Ju Lin, Bug Fix, launching roody kills the analyzer
|
OK, I've found the solution in the roody forum. The solution for 64bit machine is to replace
uint32_t p =0;
with
|
17 Aug 2012, Konstantin Olchanski, Bug Report, launching roody kills the analyzer
|
> I've installed midas (Rev:5294) on SLC6.3 (64bit), along with recent trunk versions of rootana and roody.
>
> #6 root_server_thread (arg=ox7f54fc001150) at src/mana.c:5154
|
17 Aug 2012, Cheng-Ju Lin, Bug Report, launching roody kills the analyzer
|
Hi Konstantin,
Many thanks for your feedback. I was able to keep the analyzer from exiting when launching roody by making some changes in the roody code.
|
26 Sep 2012, Konstantin Olchanski, Bug Report, launching roody kills the analyzer
|
> >
> > I guess you can also debug the old midas server code inside mana.c...
> >
|
10 Sep 2012, Shaun Mead, Info, MIDAS button to display image
|
Hi,
I've written a python script that reads some data from a file and generates a
|
11 Sep 2012, Stefan Ritt, Info, MIDAS button to display image
|
> Hi,
>
> I've written a python script that reads some data from a file and generates a
|
06 Sep 2012, shaun, Bug Report, "cannot find recent history file"
|
Hi, when attempting to access a history window the following message is repeated
over and over in the MIDAS message log:
|
05 Sep 2012, Stefan Ritt, Info, New pipe compression implemented in mlogger
|
A new pipe compression has been implemented in mlogger thanks to Fedor Ignatov from BINP
Novosibirsk. The way it works that the logger write into a pipe instead directly into a file. The pipe can
then be connected to any compression program without the need to copile against any additional C
|
10 May 2011, Jianglai Liu, Forum, simple example frontend for V1720
|
Hi,
Who has a good example of a frontend program using CAEN V1718 VME-USB bridge and
|
10 May 2011, Stefan Ritt, Forum, simple example frontend for V1720
|
[quote="Jianglai Liu"]Hi,
Who has a good example of a frontend program using CAEN V1718 VME-USB bridge and
|
10 May 2011, Pierre-Andre Amaudruz, Forum, simple example frontend for V1720
|
[quote="Jianglai Liu"]Hi,
Who has a good example of a frontend program using CAEN V1718 VME-USB bridge and
|
24 May 2011, Jianglai Liu, Forum, simple example frontend for V1720
|
Thanks all for the kind help. This did point me to the right direction. I was now able to make v1720.c as well as my MIDAS frontend (thanks to
Jimmy's example) talking to V1720, and read out the waveform bank.
|
18 May 2011, Jimmy Ngai, Forum, simple example frontend for V1720
|
[quote="Jianglai Liu"]Hi,
Who has a good example of a frontend program using CAEN V1718 VME-USB bridge and
|
10 Aug 2012, Carl Blaksley, Forum, simple example frontend for V1720
|
[quote="Jimmy Ngai"][quote="Jianglai Liu"]Hi,
Who has a good example of a frontend program using CAEN V1718 VME-USB bridge and
|
12 Aug 2012, Jimmy Ngai, Forum, simple example frontend for V1720
|
[quote="Carl Blaksley"][quote="Jimmy Ngai"][quote="Jianglai Liu"]Hi,
Who has a good example of a frontend program using CAEN V1718 VME-USB bridge and
|
10 Aug 2012, Carl Blaksley, Forum, Problem with CAMAC controlled by CES8210 and read out by CAEN V1718 VME controller
|
Hello all,
I am trying to put together a system to read out several camac adc. The camac is
|
27 Jul 2012, Cheng-Ju Lin, Info, MIDAS under Scientific Linux 6
|
Hi All,
I was wondering if anyone has attempted to install MIDAS under Scientific Linux 6? I am planning to install
|
31 Jul 2012, Pierre-Andre Amaudruz, Info, MIDAS under Scientific Linux 6
|
Hi Cheng-Ju,
Midas will install and run under SL6. We're presently running SL6.2.
|
04 Jul 2012, Konstantin Olchanski, Bug Report, Crash after recursive use of rpc_execute()
|
I am looking at a MIDAS kaboom when running out of space on the data disk - everything was freezing
up, even the VME frontend crashed sometimes.
|
04 Jul 2012, Konstantin Olchanski, Bug Report, Crash after recursive use of rpc_execute()
|
> ... I see a recursive call to rpc_execute(): rpc_execute() calls tr_stop() calls cm_yield() calls
> ss_suspend() calls rpc_execute()
> ... rpc_execute() cannot be called recursively - it is not re-entrant as it uses a global buffer
|
13 Jul 2012, Stefan Ritt, Bug Report, Crash after recursive use of rpc_execute()
|
> Then I realized that I see a recursive call to rpc_execute(): rpc_execute() calls tr_stop() calls cm_yield() calls
> ss_suspend() calls rpc_execute(). The second rpc_execute successfully completes, but leave corrupted
> data for the original rpc_execute(), which happily crashes. At the moment of the crash, recursive call to
|
20 Jun 2012, Konstantin Olchanski, Info, lazylogger write to HADOOP HDFS
|
I tried using the lazylogger "Disk" method to write into a HADOOP HDFS clustered filesystem and found a
number of problems. I ended up replacing the lazylogger lazy_copy() function that still uses former YBOS
code with a new lazy_disk_copy() function that uses generic fread/fwrite. Also fixed the situation where
|
29 Jun 2012, Konstantin Olchanski, Info, lazylogger write to HADOOP HDFS
|
> Anyhow, the new lazylogger writes into HDFS just fine and I expect that it would also work for writing into
> DCACHE using PNFS (if ever we get the SL6 PNFS working with our DCACHE servers).
>
|
20 Jun 2012, Konstantin Olchanski, Info, midas vme benchmarks
|
I am recording here the results from a test VME system using two VF48 waveform digitizers and a 64-bit
dual-core VME processor (V7865). VF48 data suppression is off, VF48 modules set to read 48 channels,
1000 ADC samples each. mlogger data compression is enabled (gzip -1).
|
20 Jun 2012, Konstantin Olchanski, Info, midas vme benchmarks
|
> I am recording here the results from a test VME system using two VF48 waveform digitizers
Note 1: data compression is about 89% (hence "data to disk" rate is much smaller than the "data from VME" rate)
|
24 Jun 2012, Konstantin Olchanski, Info, midas vme benchmarks
|
> > I am recording here the results from a test VME system using two VF48 waveform digitizers
(I now have 4 VF48 waveform digitizers, so the event rates are half of those reported before. Date rate
|
25 Jun 2012, Stefan Ritt, Info, midas vme benchmarks
|
> P.S. Observe the ever present unexplained event rate fluctuations between 130-140 event/sec.
An important aspect of optimizing your system is to keep the network traffic under control. I use GBit Ethernet between FE and BE, and make sure the switch |
25 Jun 2012, Konstantin Olchanski, Info, midas vme benchmarks
|
> > P.S. Observe the ever present unexplained event rate fluctuations between 130-140 event/sec.
>
> An important aspect of optimizing your system is to keep the network traffic under control. I use GBit Ethernet between FE and BE, and make sure the |
26 Jun 2012, Konstantin Olchanski, Info, midas vme benchmarks
|
> > > I am recording here the results from a test VME system using four VF48 waveform digitizers
Now we look at the detail of the event readout, or if you want, the real-time properties of the MIDAS
|
26 Jun 2012, Konstantin Olchanski, Info, midas vme benchmarks
|
> > > > I am recording here the results from a test VME system using four VF48
waveform digitizers
|
21 Jun 2012, Stefan Ritt, Info, midas vme benchmarks
|
Just for completeness: Attached is the VME transfer speed I get with the SIS3100/SIS1100 interface using
2eVME transfer. This curve can be explained exactly with an overhead of 125 us per DMA transfer and a
continuous link speed of 83 MB/sec. |
21 Jun 2012, Konstantin Olchanski, Info, midas vme benchmarks
|
> Just for completeness: Attached is the VME transfer speed I get with the SIS3100/SIS1100 interface using
> 2eVME transfer. This curve can be explained exactly with an overhead of 125 us per DMA transfer and a
> continuous link speed of 83 MB/sec.
|
22 Jun 2012, Stefan Ritt, Info, midas vme benchmarks
|
> > Just for completeness: Attached is the VME transfer speed I get with the SIS3100/SIS1100 interface using
> > 2eVME transfer. This curve can be explained exactly with an overhead of 125 us per DMA transfer and a
> > continuous link speed of 83 MB/sec.
|
24 Jun 2012, Konstantin Olchanski, Info, midas vme benchmarks
|
> > > Just for completeness: Attached is the VME transfer speed I get with the SIS3100/SIS1100 interface using
> > > 2eVME transfer. This curve can be explained exactly with an overhead of 125 us per DMA transfer and a
> > > continuous link speed of 83 MB/sec.
|
22 Jun 2012, Zisis Papandreou, Info, adding 2nd ADC and TDC to crate
|
Hi folks:
we've been running midas-1.9.5 for a few years here at Regina. We are now
|
13 Jun 2012, Exaos Lee, Bug Report, Cannot start/stop run through mhttpd
|
Revision: r5286
Platform: Debian Linux 6.0.5 AMD64, with packages from squeeze-backports
Problem:
|
13 Jun 2012, Konstantin Olchanski, Bug Report, Cannot start/stop run through mhttpd
|
> Revision: r5286
> Platform: Debian Linux 6.0.5 AMD64, with packages from squeeze-backports
> Problem:
|
13 Jun 2012, Exaos Lee, Bug Report, Cannot start/stop run through mhttpd
|
> Well, it's mhttpd who cannot start the run, not you. So what happens when you press
> the "start run" button? Any errors in midas.log or in midas messages? Is mtransition
> in your PATH?
|
14 Jun 2012, Exaos Lee, Bug Report, Cannot start/stop run through mhttpd
|
> > Revision: r5286
> > Platform: Debian Linux 6.0.5 AMD64, with packages from squeeze-backports
> > Problem:
|
14 Jun 2012, Stefan Ritt, Bug Report, Cannot start/stop run through mhttpd
|
> I found the problem only appears when I run mhttpd in scripts, whether bash or python.
> And I'm quite sure that the MIDAS environments (e.g. PATH, MIDAS_EXPTAB, MIDASSYS, etc.)
> are set in such scripts. If I start mhttpd in an xterm with or without "-D", it works
|
14 Jun 2012, Konstantin Olchanski, Bug Report, Cannot start/stop run through mhttpd
|
> > I found the problem only appears when I run mhttpd in scripts, whether bash or python.
> > And I'm quite sure that the MIDAS environments (e.g. PATH, MIDAS_EXPTAB, MIDASSYS, etc.)
> > are set in such scripts. If I start mhttpd in an xterm with or without "-D", it works
|
21 Jun 2012, Stefan Ritt, Bug Report, Cannot start/stop run through mhttpd
|
> I agree. Somehow mhttpd cannot run mtransition. I am not super happy with this dependance on user $PATH settings and the inability to capture error messages
> from attempts to start mtransition. I am now thinking in the direction of running mtransition code by forking. But remember that mlogger and the event |
14 Jun 2012, Konstantin Olchanski, Bug Report, Cannot start/stop run through mhttpd
|
> > > Revision: r5286
> > > Platform: Debian Linux 6.0.5 AMD64, with packages from squeeze-backports
>
|
09 Jun 2012, Greg Christian, Bug Report, _net_send_buffer realloc
|
In midas.c, I noticed that memory is only allocated to the global buffer
_net_send_buffer by calling realloc() from within the function
resize_net_send_buffer() (at least this was the only place I could find
|
10 Jun 2012, Konstantin Olchanski, Bug Report, _net_send_buffer realloc
|
> In midas.c, ...
>
> 1) _net_send_buffer is not set to NULL when declared.
|
10 Jun 2012, Greg Christian, Bug Report, _net_send_buffer realloc
|
> > In midas.c, ...
> >
> > 1) _net_send_buffer is not set to NULL when declared.
|
11 Jun 2012, Konstantin Olchanski, Bug Report, _net_send_buffer realloc
|
> > > In midas.c, ...
> > >
> > > 1) _net_send_buffer is not set to NULL when declared.
|
15 Jun 2012, Konstantin Olchanski, Bug Report, _net_send_buffer realloc
|
> 2) cm_disconect_experiment() calls free(_net_send_buffer) but does not set its
> value to NULL.
|
12 Dec 2011, Michael Murray, Bug Report, bk_delete uses memcpy instead of memmove
|
In midas.c, the bk_delete function removes a bank by decrementing the total
event size and then copying the remaining banks into the location of the first
using memcpy from string.h.
|
16 Dec 2011, Konstantin Olchanski, Bug Report, bk_delete uses memcpy instead of memmove
|
> In midas.c, the bk_delete function removes a bank by decrementing the total
> event size and then copying the remaining banks into the location of the first
> using memcpy from string.h.
|
19 Dec 2011, Stefan Ritt, Bug Report, bk_delete uses memcpy instead of memmove
|
> > In midas.c, the bk_delete function removes a bank by decrementing the total
> > event size and then copying the remaining banks into the location of the first
> > using memcpy from string.h.
|
15 Jun 2012, Konstantin Olchanski, Bug Report, bk_delete uses memcpy instead of memmove
|
> In midas.c, the bk_delete function removes a bank by decrementing the total
> event size and then copying the remaining banks into the location of the first
> using memcpy from string.h.
|
13 Jun 2012, Konstantin Olchanski, Forum, ladd00.triumf.ca https ssl certificate update
|
The HTTPS SSL certificate on ladd00.triumf.ca has been updated. Same as the old
certificate, the new one is self-signed and your web browser may complain about
that and ask you to "save a security exception".
|
18 Apr 2012, Exaos Lee, Bug Report, Build error with mlogger: invalid conversion from ‘void*’ to ‘gzFile’
|
I tried to build MIDAS under ArchLinux, failed on errors as following:
[CODE]src/mlogger.cxx: In function ‘INT midas_flush_buffer(LOG_CHN*)’:
src/mlogger.cxx:1011:54: error: invalid conversion from ‘void*’ to ‘gzFile’ [-fpermissive]
|
19 Apr 2012, Stefan Ritt, Bug Report, Build error with mlogger: invalid conversion from ‘void*’ to ‘gzFile’
|
[quote="Exaos Lee"]I tried to build MIDAS under ArchLinux, failed on errors as following:
[CODE]src/mlogger.cxx: In function ‘INT midas_flush_buffer(LOG_CHN*)’:
src/mlogger.cxx:1011:54: error: invalid conversion from ‘void*’ to ‘gzFile’ [-fpermissive]
|
25 Apr 2012, Konstantin Olchanski, Bug Report, Build error with mlogger: invalid conversion from ‘void*’ to ‘gzFile’
|
Stefan's fix is incomplete - the "gzFile" cast is needed for all calls to zlib, not just those that some version
of GCC happens to complain about. Fixed.
svn rev 5286.
|
27 Apr 2012, Stefan Ritt, Bug Report, Build error with mlogger: invalid conversion from ‘void*’ to ‘gzFile’
|
[quote="KO]BTW, I read the midas elog via email and if you post html or elcode messages, I receive complete
gibberish. For prompt service, please select message type "plain". (yes, you cannot use fancy colours and
blinking text, but better than me not reading your stuff at all).
|
29 Feb 2012, Konstantin Olchanski, Bug Report, Problem with semaphores
|
Hi there! In the T2K/ND280 experiment in Japan, we keep having problems with MIDAS locking (probably
of ODB). The symptoms are: some program reports a timeout waiting for the ODB lock, then all programs
eventually die with this same error. Complete system meltdown. This does not look like the deadlock
|
01 Mar 2012, Stefan Ritt, Bug Report, Problem with semaphores
|
> Anyhow, if anybody can suggest such an advanced locking library it would be great. Will save me the
> effort of writing one.
|
30 Jan 2012, Stefan Ritt, Info, IEEE Real Time 2012 Call for Abstracts
|
Hello,
I'm co-organizing the upcoming Real Time Conference, which covers also the field of data acquisition, so it might be interesting for people working
|
05 Sep 2011, John McMillan, Forum, khyt1331 under scientific linux 5.5?
|
Hello,
I'm trying to build khyt1331 under scientific linux 5.5, kernel
2.6.18-238.9.1el5. Has anyone succeeded with this. So far, I've
|
25 Aug 2011, Francesco Prelz, Forum, 64-bit integer support in MIDAS
|
Hi,
I've been doing some preliminary work to use at least the MIDAS
|
11 Jul 2011, Konstantin Olchanski, Info, Make "STOP" run transition always succeed
|
Over the years, there was some back-and-forth changes in what happens to run transitions when some
of the participants misbehave (do not respond to RPC calls, timeout, crash, etc).
|
27 Jun 2011, Konstantin Olchanski, Info, midas shared memory changes
|
A number of changes were made to the midas shared memory implementation for
Linux and MacOS:
|
05 Jul 2011, Konstantin Olchanski, Info, midas shared memory changes
|
> 2) the shared memory type used by an experiment is recorded in the file .SHM_TYPE.TXT.
An error with creating the file .SHM_TYPE.TXT was corrected in system.c svn rev 5125 - if file did not exist, it is
|
10 Jul 2011, Konstantin Olchanski, Bug Fix, midas shared memory changes
|
> > 2) the shared memory type used by an experiment is recorded in the file .SHM_TYPE.TXT.
> > 3) the hostname of the computer where the ODB shared memory is meant to reside is now
> > recorded in the file .SHM_HOST.TXT.
|
11 Jul 2011, Konstantin Olchanski, Bug Fix, midas shared memory changes
|
> > > 2) the shared memory type used by an experiment is recorded in the file .SHM_TYPE.TXT.
> > > 3) the hostname of the computer where the ODB shared memory is meant to reside is now
> > > recorded in the file .SHM_HOST.TXT.
|
05 Jul 2011, Konstantin Olchanski, Bug Report, MacOS network socket timeouts non-functional
|
It turns out that because of differences between select() syscall implementation between UNIX (MacOS,
maybe BSD) and Linux, network socket timeouts do not work.
|
27 Jun 2011, Konstantin Olchanski, Info, mlogger lock for runNNN.mid.gz files
|
By popular request, Stefan R. implemented a locking scheme for mlogger output files.
To use this function, set the mlogger ODB /Logger/Channels/NNN/Settings/Filename
|
27 Jun 2011, Konstantin Olchanski, Info, updated mhttpd history "export" function
|
The mhttpd history "export" function has been converted to the new midas history
interface and should now work for SQL-based history systems. In the process,
improvements by Eoin Butler (CERN AD-5/ALPHA) were merged - adding a UNIX
|
24 Jun 2011, Exaos Lee, Suggestion, Build MIDAS debian packages using autoconf/automake.
|
Here is my story. I deployed several Debian Linux boxes as the DAQ systems in our lab. But I feel it's boring to build and install midas and its related
softwares (such as root) on each box. So I need a local debian software repository and put midas and its related packages in it. First of all, I need a
midas debian package. After a week's study and searching, I finally finished the job. Hope you feel it useful.
|
27 Jun 2011, Konstantin Olchanski, Suggestion, Build MIDAS debian packages using autoconf/automake.
|
> I deployed several Debian Linux boxes as the DAQ systems in our lab. But I
feel it's boring to build and install midas and its related softwares (such as
root) on each box.
|
21 Jun 2011, Stefan Ritt, Info, New MIDAS sequencer
|
A new sequencer for starting and stopping runs has been implemented. Although it is till kind of in a preliminary phase, it is usable, so I would like to
share the syntax with you.
|
20 Jun 2011, Stefan Ritt, Info, Javascript ODB interface revised
|
The Javascript interface to the ODB has been revised. This extends the capabilities of custom web pages requesting data from the ODB. By grouping several
request together, the number of round-trips is minimized and the response time is reduced. Following functions are new or extended:
|
17 Jun 2011, Jimmy Ngai, Forum, Cannot open input file (file too large?)
|
Dear All,
I got a "Cannot open input file" error when I tried to analyze a .mid.gz file with
|
20 Jun 2011, Jimmy Ngai, Forum, Cannot open input file (file too large?)
|
Dear All,
Thanks Konstantin Olchanski for providing me a hint. The file can be opened now after I
|
17 Jun 2011, Konstantin Olchanski, Forum, ladd00.triumf.ca https ssl certificate update
|
The HTTPS SSL certificate on ladd00.triumf.ca has been updated. Same as the old
certificate, the new one is self-signed and your web browser may complain about
that and ask you to "save a security exception".
|
30 Mar 2011, Exaos Lee, Forum, How large does "bank32" support?
|
Reading an FADC buffer often needs large buffer size, especially while several
FADCs work together. I want to know how large a bank32 can support. |
30 Mar 2011, Stefan Ritt, Forum, How large does "bank32" support?
|
> Reading an FADC buffer often needs large buffer size, especially while several
> FADCs work together. I want to know how large a bank32 can support.
|
15 Apr 2011, Konstantin Olchanski, Forum, How large does "bank32" support?
|
> Reading an FADC buffer often needs large buffer size, especially while several
> FADCs work together. I want to know how large a bank32 can support.
|
15 Apr 2011, Jonathan Toebbe, Forum, Can't get example frontend to talk to khyt1331 kernel driver
|
I'm brand new to MIDAS, and C system programming in general, so please be
gentle. I've compiled and installed MIDAS 2.3.0 on Ubuntu 10.04 LTS. I've built
the kernel driver, khyt1331.ko and installed it. It appears to be working, since
|
28 Feb 2011, Konstantin Olchanski, Info, javascript example experiment
|
I just committed a MIDAS example for using most mhttpd html and javascript functions: ODBGet(),
ODBSet(), ODBRpc() & co.
|
17 Jan 2011, Andreas Suter, Bug Report, Problems with midas history SVN 4936
|
I have the following problems after updating to midas SVN 4936: the history
system (web-page via mhttpd) seems to stop working. I checked the history files
themself and they are indeed written, except that the events ID's are not the
|
13 Feb 2011, Lee Pool, Bug Report, Problems with midas history SVN 4936
|
> I have the following problems after updating to midas SVN 4936: the history
> system (web-page via mhttpd) seems to stop working. I checked the history files
> themself and they are indeed written, except that the events ID's are not the
|
16 Feb 2011, Konstantin Olchanski, Bug Report, Problems with midas history SVN 4936
|
>
> Do you mind giving little more detail? We might have the same issue, where we got
> complaints that midas history stops working after a certain time.
|
16 Feb 2011, Lee Pool, Bug Report, Problems with midas history SVN 4936
|
> >
> > Do you mind giving little more detail? We might have the same issue, where we got
> > complaints that midas history stops working after a certain time.
|
17 Feb 2011, Stefan Ritt, Bug Report, Problems with midas history SVN 4936
|
> uhm, mine might be completely unrelated to this, but it just so happened that the rev.
> 4936 was one that was used in a recent experiment, in which there was complaints about
> the responsiveness of the history plots. The history plots would take up to 30 seconds
|
16 Feb 2011, Konstantin Olchanski, Bug Report, Problems with midas history SVN 4936
|
> I have the following problems after updating to midas SVN 4936: the history
> system (web-page via mhttpd) seems to stop working. I checked the history files
> themself and they are indeed written, except that the events ID's are not the
|
16 Feb 2011, Konstantin Olchanski, Bug Report, Problems with midas history SVN 4936
|
It looks like email notices did not go the first time. Please read my replies below. K.O.
> > I have the following problems after updating to midas SVN 4936: the history
|
23 Dec 2010, Konstantin Olchanski, Bug Report, odb corruption, odb race condition?
|
The following script makes midas very unhappy and eventually causes odb corruption. I suspect the reason is some kind of race condition collision between
client
creation and destruction code and the watchdog activity (each client periodically runs cm_watchdog() to check if other clients are still alive, O(NxN) |
24 Dec 2010, Konstantin Olchanski, Bug Report, odb corruption, odb race condition?
|
> Thu Dec 23 12:10:30 2010 [ODBEdit9,ERROR] [odb.c:3247:db_get_value,ERROR] "Name" is of type NULL, not STRING
This is caused by a race condition between client removal in cm_delete_client_info() and cm_exist().
|
24 Dec 2010, Konstantin Olchanski, Bug Report, odb corruption, odb race condition?
|
> > Thu Dec 23 12:10:30 2010 [ODBEdit9,ERROR] [odb.c:3247:db_get_value,ERROR] "Name" is of type NULL, not STRING
> This is caused by a race condition between client removal in cm_delete_client_info() and cm_exist().
> ... this race condition seems to be benign.
|
26 Dec 2010, Konstantin Olchanski, Bug Report, race condition and deadlock between ODB lock and SYSMSG lock in cm_msg()
|
>
> The only remaining problem when running my script is some kind of deadlock between the ODB and SYSMSG semaphores...
>
|
29 Dec 2010, Konstantin Olchanski, Bug Report, use of nested locks in MIDAS
|
A "nested" or "recursive" lock is a special type of lock that permits a lock holder to lock the same resources again and again, without deadlocking on itself.
They are
very useful, but tricky to implement because most system lock primitives (SYSV semaphores, POSIX mutexes, etc) do not permit nested locks, so all the logic |
29 Dec 2010, Konstantin Olchanski, Bug Report, fixed. odb corruption, odb race condition?
|
>
> The only remaining problem when running my script is some kind of deadlock between the ODB and SYSMSG semaphores...
>
|
11 Feb 2011, Konstantin Olchanski, Bug Report, fixed. odb corruption, odb race condition?
|
> >
> > The only remaining problem when running my script is some kind of deadlock between the ODB and SYSMSG semaphores...
> >
|
15 Feb 2011, Konstantin Olchanski, Bug Report, fixed. odb corruption, odb race condition?
|
> Solution shall follow quickly, I have been hunting this deadlock for the last couple of weeks...
Over the last couple of days I made a series of commits to odb.c and midas.c to implement a buffer-based cm_msg()
|
16 Feb 2011, Konstantin Olchanski, Bug Report, fixed. odb corruption, odb race condition?
|
> My torture test runs okey in my mac now, one remaining problem is spurious client removal caused
> by semaphore starvation...
|
16 Feb 2011, Konstantin Olchanski, Info, Notes on MIDAS history
|
Some notes on the MIDAS history.
MIDAS documentation at
|
16 Feb 2011, Konstantin Olchanski, Info, Notes on MIDAS history
|
>
> 1) PerVariableHistory.
>
|
15 Feb 2011, Konstantin Olchanski, Bug Fix, mlogger stop run on disk full!
|
The mlogger has a function for detecting when the output disk becomes full - when this condition is
detected, the run should be stopped. But this did not work if disk is already full and the user tries to start
a run - the "disk full?" check happened too early and the attempt to stop the run was not succeeding
|
15 Dec 2010, Stefan Ritt, Info, New source file structure of MSCB tree
|
A long planned modification of the source file structure of the MSCB subsystem has been implemented. This is however only for those people who do actively
participate in micro controller programming with MSCB. The idea behind this is tha the central include file [B]mscbemb.h[/B] had a section for each new
project. So whenever a new project was added, this file had to be modified which is clumsy and hard to maintain. Therefore I took the project specific |
06 Oct 2010, Konstantin Olchanski, Bug Report, mhttpd "edit on start" breakage
|
very recent mhttpd mangles spaces in URL encoding-decoding and I cannot create or delete entries in for
example "/experiment/edit on start". For example attempt to delete "/experiment/Pedestals Run"
produces:
|
17 Nov 2010, Stefan Ritt, Bug Report, mhttpd "edit on start" breakage
|
> very recent mhttpd mangles spaces in URL encoding-decoding and I cannot create or delete entries in for
> example "/experiment/edit on start". For example attempt to delete "/experiment/Pedestals Run"
> produces:
|
12 Nov 2010, Pierre-Andre Amaudruz, Release, Documentation
|
The general Midas documentation has been rejuvenated by Suzannah Daviel through
a proof reading and with a collection of custom perl scripts to improve the
Doxygen capabilities for the document itself. In particular, a contents list and
|
02 Nov 2010, chris pearson, Info, mhttpd: Extra entries on status page
|
A couple of experiments at triumf wanted certain important odb variables
displayed on their status page. (There was already the possibility to show the
run comment)
|
29 Oct 2010, Konstantin Olchanski, Info, mlogger.c 4858-4862 busted
|
Please note that mlogger does not work (crashes on run start) starting with svn
rev 4858, fixed in svn 4862. If you have to use this busted version of mlogger,
the crash is fixed by update of history_midas.c to svn rev 4862 or set ODB
|
23 Sep 2010, Konstantin Olchanski, Info, Example javascript midas page
|
We had javascript ODBGet() and ODBSet() functions for some time now, permitting implementation of
"page-reload-free" "self-updating" web pages. I finally got around to put all the javascript bits together
to actually implement such a page. The main difference from a normal MIDAS "custom" page is the data
|
23 Sep 2010, Stefan Ritt, Info, Example javascript midas page
|
> We had javascript ODBGet() and ODBSet() functions for some time now, permitting
implementation of
> "page-reload-free" "self-updating" web pages. I finally got around to put all
|
24 Sep 2010, Konstantin Olchanski, Info, Example javascript midas page
|
> > We had javascript ODBGet() and ODBSet() functions for some time now, permitting
> implementation of
> > "page-reload-free" "self-updating" web pages. I finally got around to put all
|
24 Sep 2010, Stefan Ritt, Info, Example javascript midas page
|
> The attached errors all seem to be from cut-and-paste line breaks in the long "document.writeln()" statements.
> When the page runs, there are no errors from Firefox and Safari.
|
23 Sep 2010, Stefan Ritt, Info, Another example of a JavaScript midas page
|
Please find attached another example of a JavaScript (JS) page using the
ODBGet/Set functions.
|
23 Sep 2010, Konstantin Olchanski, Info, Fixed ODB corruption by javascript ODBGet(nonexistant)
|
Prior to odb.c rev 4829 and mhttpd.c rev 4830 committed a few minutes ago, HTML javascript
ODBGet("/non_existant_odb_entry") caused ODB corruption requiring ODB reload from backup file.
|
13 Sep 2010, Konstantin Olchanski, Info, modified mhttpd history panel editor
|
mhttpd.c svn rev 4823 implements a modified history planel editor. all previous functions should work
as before (minus new bugs).
|
17 Sep 2010, Konstantin Olchanski, Info, modified mhttpd history panel editor
|
> mhttpd.c svn rev 4823 implements a modified history planel editor. all previous functions should work
> as before (minus new bugs). New experimental functions added:
>
|
20 Sep 2010, Stefan Ritt, Info, modified mhttpd history panel editor
|
Just some idea:
The ultimate solution to that would be to do that completely JavaScript driven. You load ONCE the list of all
|
17 Sep 2010, Konstantin Olchanski, Info, Added mserver host based access control
|
In svn rev 4825, I added host based access control to mserver (the MIDAS RPC server). The implementation
is a verbatim copy mhttpd host based access control list (-a command line switch).
|
04 Aug 2010, Konstantin Olchanski, Info, YBOS support now optional, disabled by default
|
As of svn rev 4800, YBOS support was made optional, disabled by default. (But note that ybos.c is still used
by mdump). See HAVE_YBOS in the Makefile.
K.O. |
31 Aug 2010, Konstantin Olchanski, Info, YBOS support now optional, disabled by default
|
> As of svn rev 4800, YBOS support was made optional, disabled by default. (But note that ybos.c is still used
> by mdump). See HAVE_YBOS in the Makefile.
|
08 Sep 2010, Stefan Ritt, Info, YBOS support now optional, disabled by default
|
> It looks like some example drivers in .../drivers/class want to link against YBOS libraries.
> This fails because ybos.o is missing from the MIDAS library.
|
30 Jul 2010, Konstantin Olchanski, Info, macos 10.6 success
|
As of svn rev 4794, midas builds, runs and should be fully usable on MacOS 10.6.4. Previous revisions did
not compile due to assorted Linuxisms and did not run because of a sizeof() problem in ss_gettid(). Also
one of the system header files (mtio.h?) present in MacOS 10.5 vanished from 10.6.
|
31 Aug 2010, Konstantin Olchanski, Info, macos 10.6 success
|
> As of svn rev 4794, midas builds, runs and should be fully usable on MacOS 10.6.4. Previous revisions did
> not compile due to assorted Linuxisms and did not run because of a sizeof() problem in ss_gettid(). Also
> one of the system header files (mtio.h?) present in MacOS 10.5 vanished from 10.6.
|
31 Aug 2010, Konstantin Olchanski, Info, Experimental POSIX shared memory support
|
As of svn rev 4807, src/system.c has an experimental implementation of POSIX shared memory. It is
similar to the already existing implementation of MMAP shared memory, but uses POSIX shm_open()
instead of directly mmapping the .xxx.SHM file.
|
24 Jun 2010, Jimmy Ngai, Forum, Error connecting to back-end computer
|
Dear All,
This is my first time running an experiment on separate computers. I followed
|
26 Jun 2010, Konstantin Olchanski, Forum, Error connecting to back-end computer
|
> This is my first time running an experiment on separate computers. I followed
> the documentation (https://midas.psi.ch/htmldoc/quickstart.html) to setup the
> files:
|
27 Jun 2010, Jimmy Ngai, Forum, Error connecting to back-end computer
|
> Hi, there. I have not recently run mserver through inetd, and we usually do not do
> that at TRIUMF. We do this:
>
|
28 Jun 2010, Stefan Ritt, Forum, Error connecting to back-end computer
|
> > Hi, there. I have not recently run mserver through inetd, and we usually do not do
> > that at TRIUMF. We do this:
> >
|
28 Jun 2010, Jimmy Ngai, Forum, Error connecting to back-end computer
|
> The way connections work under Midas is there is a callback scheme. The client starts
> mserver on the back-end, then the back-end connects back to the front-end on three
> different ports. These ports are assigned dynamically by the operating system and are
|
29 Jun 2010, Konstantin Olchanski, Forum, Error connecting to back-end computer
|
> > The way connections work under Midas is there is a callback scheme. The client starts
> > mserver on the back-end, then the back-end connects back to the front-end on three
> > different ports. These ports are assigned dynamically by the operating system and are
|
12 Jun 2010, hai qu, Forum, crash on start run
|
Dear experts,
I use fedora 12 and midas 4680. there is problem to start run when the frontend
|
14 Jun 2010, Stefan Ritt, Forum, crash on start run
|
> I use fedora 12 and midas 4680. there is problem to start run when the frontend
> application runs fine.
|
14 Jun 2010, hai qu, Forum, crash on start run
|
> - does your feTCPPacketReceiver die during the start-of-run? Maybe you do some segfault
> int he begin-of-run routine. Can you STOP a run?
when start a run, it bring the mtransition process and I guess the server try to talk to the
|
08 Jun 2010, nicholas, Forum, check out from svn
|
do: svn co svn+ssh://svn@savannah.psi.ch/afs/psi.ch/project/meg/svn/midas/trunk
midas
shows: ssh: connect to host savannah.psi.ch port 22: Connection timed out
|
08 Jun 2010, nicholas, Forum, check out from svn
|
> do: svn co svn+ssh://svn@savannah.psi.ch/afs/psi.ch/project/meg/svn/midas/trunk
> midas
> shows: ssh: connect to host savannah.psi.ch port 22: Connection timed out
|
22 Apr 2010, Jimmy Ngai, Forum, Customized "Start" page
|
Dear All,
After clicking the "Start" button, there is a page for the operator to change some
|
08 Apr 2010, Exaos Lee, Forum, How to stop a run with a timer?
|
I want to let the run stop and start periodically. But I looked through the ODB
and didn't find anything may help. I also checked the FAQ online and didn't find
answer either. Who can help me? Thank you. |
22 Apr 2010, Jimmy Ngai, Forum, How to stop a run with a timer?
|
Hi Exaos,
This may help: https://ladd00.triumf.ca/elog/Midas/645
|
04 Dec 2009, Stefan Ritt, Info, New '/Experiment/Menu buttons'
|
The mhttpd program shows some standard buttons in the top row for
starting/stopping runs, accessing the ODB, Alarms, etc. Since not all experiments
make use of all buttons, they have been customized. By default mhttpd creates
|
11 Mar 2010, Stefan Ritt, Info, New '/Experiment/Menu buttons'
|
> The mhttpd program shows some standard buttons in the top row for
> starting/stopping runs, accessing the ODB, Alarms, etc. Since not all experiments
> make use of all buttons, they have been customized. By default mhttpd creates
|
04 Mar 2010, Konstantin Olchanski, Info, Notes on MIDAS Alarm system
|
Notes on the implementation of the MIDAS alarm system.
Alarms are checked inside alarm.c::al_check(). This function is called by
|
27 Jan 2010, Suzannah Daviel, Forum, custom page - flashing filled area
|
Hi,
On a custom web page, can a "filled" area be made to flash (i.e. cycle between
|
09 Feb 2010, Stefan Ritt, Forum, custom page - flashing filled area
|
One possibility is to use small GIF images for each valve, which have several frames (called 'animated GIF'). Depending on the state you can use a static
GIF or the flashing GIF. An alternate approach is to use a static background image, and display a valve with different color on top of the background in
regular intervals using JavaScript. I tried that with the attached page. Just create a custom page
/Custom/Valve = valve.html
and put all three attachments |
01 Dec 2009, Stefan Ritt, Info, Redesign of status page links
|
The custom and alias links in the standard midas status page were shown as HTML
links so far. If there are many links with names having spaces in their names,
it's a bit hard to distinguish between them. Therefore, they are packed now into
|
22 Dec 2009, Suzannah Daviel, Suggestion, Redesign of status page links
|
> The custom and alias links in the standard midas status page were shown as HTML
> links so far. If there are many links with names having spaces in their names,
> it's a bit hard to distinguish between them. Therefore, they are packed now into
|
11 Jan 2010, Stefan Ritt, Suggestion, Redesign of status page links
|
> > The custom and alias links in the standard midas status page were shown as HTML
> > links so far. If there are many links with names having spaces in their names,
> > it's a bit hard to distinguish between them. Therefore, they are packed now into
|
12 Dec 2009, Stefan Ritt, Info, New MSCB page implementation
|
A new page has been implemented in mhttpd. This allows web access to all devices from an [URL=http://midas.psi.ch/mscb]MSCB system[/URL] and their variables:
[IMG]elog:690/1[/IMG]
|
06 Nov 2009, Jimmy Ngai, Forum, Run multiple frontend on the same host
|
Dear All,
I want to run two frontend programs (one for trigger and one for slow control)
|
27 Nov 2009, Stefan Ritt, Forum, Run multiple frontend on the same host
|
> Dear All,
>
> I want to run two frontend programs (one for trigger and one for slow control)
|
07 Dec 2009, Jimmy Ngai, Forum, Run multiple frontend on the same host
|
Dear Stefan,
Thanks for the reply. I have tried your patch and it didn't solve my problem. Maybe I
|
08 Dec 2009, Stefan Ritt, Forum, Run multiple frontend on the same host
|
Hi Jimmy,
ok, now I understand. Well, I don't see your problem. I just tried with the
|
12 Dec 2009, Jimmy Ngai, Forum, Run multiple frontend on the same host
|
Dear Stefan,
I followed your suggestion to try the sample front-ends from the distribution and
|
04 Dec 2009, Stefan Ritt, Info, Custom page showing ROOT analyzer output
|
Many midas experiments work with ROOT based analyzers today. One problem there is that the graphical output of the root analyzer can only be seen through
the X server and not through the web. At the MEG experiment, we solved this problem in an elegant way: The ROOT analyzer runs in the background, using
a "virtual" X server called Xvfb. It plots its output (several panels) normally using this X server, then saves this panels every ten seconds into GIF |
04 Dec 2009, Stefan Ritt, Info, Redesign of status page columns
|
Since the column on the main midas status page with fraction of analyzed events is
barely used, I decided to drop it. Anyhow it does not make sense for all slow
control events. If this feature is required in some experiment, I propose to move it
|
26 Nov 2009, Konstantin Olchanski, Bug Report, "mserver -s" is broken
|
I notice that "mserver -s" (a non-default mode of operation) does not work right
- if I connect odbedit for the first time, all is okey, if I connect the second
time, mserver crashes - because after the first connection closed,
|
27 Nov 2009, Stefan Ritt, Bug Report, "mserver -s" is broken
|
> I notice that "mserver -s" (a non-default mode of operation) does not work right
> - if I connect odbedit for the first time, all is okey, if I connect the second
> time, mserver crashes - because after the first connection closed,
|
27 Nov 2009, Konstantin Olchanski, Bug Report, "mserver -s" is broken
|
>
> "mserver -s" is there for historical reasons and for debugging.
>
|
26 Nov 2009, Konstantin Olchanski, Bug Fix, mserver network routing fix
|
mserver update svn rev 4625 fixes an anomaly in the MIDAS RPC network code where
in some network configurations MIDAS mserver connections work, but some RPC
transactions, such as starting and stopping runs, do not (use the wrong network
|
26 Nov 2009, Konstantin Olchanski, Bug Fix, mdump max number of banks and dump of 32-bit banks
|
By request from Renee, I increased the MIDAS BANKLIST_MAX from 64 to 1024 and
after fixing a few buglets where YB_BANKLIST_MAX is used instead of (now bigger)
BANKLIST_MAX, I can do a full dump of ND280 FGD events (96 banks).
|
25 Nov 2009, Konstantin Olchanski, Bug Report, once in 100 years midas shared memory bug
|
We were debugging a strange problem in the event builder, where out of 14
fragments, two fragments were always getting serial number mismatches and the
serial numbers were not sequentially increasing (the other 12 fragments were
|
25 Nov 2009, Konstantin Olchanski, Bug Fix, subrun file size
|
Please be aware of mlogger.c update rev 4566 on Sept 23rd 2009, when Stefan
fixed a buglet in the subrun file size computations. Before this fix, the first
subrun could be of a short length. If you use subruns, please update your
|
23 Nov 2009, Exaos Lee, Suggestion, Scripts for "midas-config"
|
Supposing you have installed MIDAS to some directory such as "/opt/MIDAS/r4621", you have to write some Makefile as the following while building some applications
based on the version installed:
[quote][code]
|
07 May 2009, Konstantin Olchanski, Info, RPC.SHM gyration
|
When using remote midas clients with mserver, you may have noticed the zero-size .RPC.SHM files
these clients create in the directory where you run them. These files are associated with the semaphore
created by the midas rpc layer (rpc_call) to synchronize rpc calls between multiple threads. This
|
02 Jun 2009, Konstantin Olchanski, Info, RPC.SHM gyration
|
> When using remote midas clients with mserver, you may have noticed the zero-size .RPC.SHM files
> these clients create in the directory where you run them. These files are associated with the semaphore
> created by the midas rpc layer (rpc_call) to synchronize rpc calls between multiple threads. This
|
04 Jun 2009, Stefan Ritt, Info, RPC.SHM gyration
|
> Right now, MIDAS does not have an abstraction for "local multi-thread mutex" (i.e. pthread_mutex & co) and mostly uses global semaphores
> for this task (with interesting coding results, i.e. for multithreaded locking of ODB). Perhaps such an abstraction should be introduced?
|
20 Nov 2009, Konstantin Olchanski, Info, RPC.SHM gyration
|
> When using remote midas clients with mserver, you may have noticed the zero-size .RPC.SHM files
> these clients create in the directory where you run them.
|
20 Nov 2009, Konstantin Olchanski, Bug Fix, fix odb corruption from too long client names
|
odb.c rev 4622 fixes ODB corruption by db_connect_database() if client_name is
too long. Also fixed is potential ODB corruption by too long key names in
db_create_key(). Problem kindly reported by Tim Nichols of T2K/ND280 experiment.
|
20 Nov 2009, Konstantin Olchanski, Bug Fix, disallow client names with slash '/' characters
|
> odb.c rev 4622 fixes ODB corruption by db_connect_database() if client_name is
> too long. Also fixed is potential ODB corruption by too long key names in
> db_create_key(). Problem kindly reported by Tim Nichols of T2K/ND280 experiment.
|
07 Sep 2009, Exaos Lee, Forum, deprecated conversion from string constant to ‘char*’
|
I encountered many warning while building MIDAS (svn r4556). Please see the
attached log file. Most of them are caused by type conversion from string to
"char*".
|
27 Sep 2009, Konstantin Olchanski, Forum, deprecated conversion from string constant to ‘char*’
|
> I encountered many warning while building MIDAS (svn r4556). Please see the
> attached log file. Most of them are caused by type conversion from string to
> "char*".
|
27 Sep 2009, Exaos Lee, Forum, deprecated conversion from string constant to ‘char*’
|
> There is no "type conversions". The compiler is whining about code like this:
>
> /* data type names */
|
19 Oct 2009, Exaos Lee, Forum, It' better to fix this warnings
|
> There is no "type conversions". The compiler is whining about code like this:
>
> /* data type names */
|
10 Nov 2009, Stefan Ritt, Forum, It' better to fix this warnings
|
> This will cause "type conversion" warnings. I hope that "odbedit" can generate codes like this:
> [CODE]
> #define EXPCVADC_COMMON_STR(_name) const char *_name[] = {\
|
30 Oct 2009, Konstantin Olchanski, Release, new lazylogger release
|
I committed an updated lazylogger with updated documentation. The new version supports subruns and
can save to external storage arbitrary files (i.e. odb dump files). It also moves most book keeping out of
odb to permit handling more files on bigger storage disks.
|
02 Nov 2009, Exaos Lee, Bug Fix, Build error due to missing header
|
I encountered a build error as "sort undefined...". It is caused by missing C++ header <algorithm> in which "sort" is defined. It can be fixed as the attachment.
Environment:
|
02 Nov 2009, Exaos Lee, Suggestion, New cmake files
|
Though ended with ".c", "lazylogger.c" has to be build with C++ compiler. I have
to modify my CMakeLists.txt.
Please see the attachment if you need it. It works with svn-r4616. |
20 Oct 2009, Peter Simpson, Forum, Midas in linux
|
Hi,
I'm new to both Linux and Midas and having trouble installing the programme -
the install file suggeats that I should have a directory:
|
15 Oct 2009, Exaos Lee, Suggestion, Building MIDAS using CMake
|
The attached zip file is the updated configurations for building MIDAS using CMake. It works with svn-r4604.
If you want to use it, please follow the steps here:
[QUOTE]
|
07 May 2009, Konstantin Olchanski, Info, SQL history documentation
|
Documentation for writing midas history data to SQL (mysql) is now documented in midas doxygen files
(make dox; firefox doxfiles/html/index.html). The corresponding logger and mhttpd code has been
committed for some time now and it is used in production environment by the t2k/nd280 slow controls
|
11 Oct 2009, Konstantin Olchanski, Info, SQL history documentation
|
> Documentation for writing midas history data to SQL (mysql) is now documented in midas doxygen files
> (make dox; firefox doxfiles/html/index.html). The corresponding logger and mhttpd code has been
> committed for some time now and it is used in production environment by the t2k/nd280 slow controls
|
08 Oct 2009, Exaos Lee, Bug Report, Multiple definition of `SqlODBC::SqlODBC()
|
I found there are two SqlODBC defined in different sources.
[CODE]
$ grep -n "class SqlODBC" src/*
|
09 Oct 2009, Konstantin Olchanski, Bug Report, Multiple definition of `SqlODBC::SqlODBC()
|
> Linking CXX shared library lib/libmidas.so
/usr/bin/c++ ... -o lib/libmidas.so ... CMakeFiles/midas-shared.dir/src/history_odbc.cxx.o
CMakeFiles/midas-shared.dir/src/history_sql.cxx.o
|
11 Oct 2009, Konstantin Olchanski, Bug Report, Multiple definition of `SqlODBC::SqlODBC()
|
> > Why is the class "SqlODBC" duplicated?
>
> This is interesting. I do not think my C++ book spells it out that I cannot have class A in foo.cxx
|
08 Oct 2009, Tim Nicholls, Bug Report, mserver linking fails when using shared library
|
I have experienced a problem building MIDAS from the head of the SVN repository (rev 4458) when
specifying the shared library flag. Whie the shared library appears to compile and link OK, the
subsequent compilation of mserver fails as follows:
|
09 Oct 2009, Konstantin Olchanski, Bug Report, change to building and linking libmidas.so, mserver linking fails when using shared library
|
> --- Makefile
> < ld -shared -o $@ $^ $(LIBS) -lc
|
11 Oct 2009, Konstantin Olchanski, Bug Report, change to building and linking libmidas.so, mserver linking fails when using shared library
|
> > > $(CXX) -shared -o $@ $^ $(LIBS) -lc
Done.
|
09 Oct 2009, Exaos Lee, Bug Report, Building error of history_midas.cxx due to missing declaration
|
[CODE]
Platform: Debian Linux testing
Compiler: gcc 4.3.4 (Debian 4.3.4-2)
|
11 Oct 2009, Konstantin Olchanski, Bug Report, Building error of history_midas.cxx due to missing declaration
|
> The "g++" is whining while compiling history_midas.cxx. Please see the attached log file.
Fixed. svn 4594. K.O. |
01 Oct 2009, Pierre-Andre Amaudruz, Bug Report, mfe.c: poll_event() before frontend_init()
|
The latest version of mfe.c has a problem where poll_event() is called before
frontend_init() and this causes a crash because in poll_event() we try to access
VME before it is initialized in frontend_init(). K.O. |
01 Oct 2009, Stefan Ritt, Bug Report, mfe.c: poll_event() before frontend_init()
|
> The latest version of mfe.c has a problem where poll_event() is called before
> frontend_init() and this causes a crash because in poll_event() we try to access
> VME before it is initialized in frontend_init(). K.O.
|
29 Sep 2009, Exaos Lee, Bug Report, Error invoking 'odbedit': db_validate_size
|
Revision: r4567
Error output:
[CODE]
|
29 Sep 2009, Exaos Lee, Bug Report, Error invoking 'odbedit': db_validate_size
|
It seems to be fixed in svn-r4568:
[CODE]
-----------------------------------------------------------------------
|
30 Sep 2009, Konstantin Olchanski, Bug Report, mh2sql does not build, Error invoking 'odbedit': db_validate_size
|
> Linking CXX executable bin/mh2sql
> CMakeFiles/mh2sql.dir/utils/mh2sql.cxx.o: In function `main':
> /opt/DAQ/repos/bot/midas/utils/mh2sql.cxx:150: undefined reference to `MakeMidasHistoryODBC()'
|
30 Sep 2009, Konstantin Olchanski, Bug Report, Error invoking 'odbedit': db_validate_size
|
> $ odbedit -e expcvadc
> odbedit: /opt/DAQ/repos/bot/midas/src/odb.c:651: db_validate_sizes: Assertion
`sizeof(EQUIPMENT_INFO) == 400' failed.
|
21 Sep 2009, Stefan Ritt, Info, New feature: Stop run after a certain time
|
A new feature has been implemented in revision 4561 which allows runs with a
certain duration. To use this, one has to set the variaable
|
22 Sep 2009, Stefan Ritt, Info, New feature: Stop run after a certain time
|
> A new feature has been implemented in revision 4561 which allows runs with a
> certain duration. To use this, one has to set the variaable
>
|
09 Sep 2009, Jimmy Ngai, Forum, Retrieve start/stop time in offline
|
Hi All,
I set "/Analyzer/ODB Load" to true and analyzed a run in offline mode. After
|
10 Sep 2009, Stefan Ritt, Forum, Retrieve start/stop time in offline
|
> I set "/Analyzer/ODB Load" to true and analyzed a run in offline mode. After
> that, I found the start time and stop time in /RunInfo did not reflect the
> correct time as in online. How do I retrieve the correct start/stop time from
|
18 Aug 2009, Denis Calvet, Suggestion, Could not create strings other than 32 characters with odbedit -c "..." command
|
Hi,
I am writing shell scripts to create some tree structure in an ODB. When
creating an array of strings, the default length of each string element is 32
|
03 Sep 2009, Stefan Ritt, Suggestion, Could not create strings other than 32 characters with odbedit -c "..." command
|
> Hi,
> I am writing shell scripts to create some tree structure in an ODB. When
> creating an array of strings, the default length of each string element is 32
|
06 Sep 2009, Exaos Lee, Suggestion, Could not create strings other than 32 characters with odbedit -c "..." command
|
> Ok, I added a command
>
> odbedit -c "create STRING Test[8][40]"
|
06 Sep 2009, Exaos Lee, Suggestion, Could not create strings other than 32 characters with odbedit -c "..." command
|
> > Ok, I added a command
> >
> > odbedit -c "create STRING Test[8][40]"
|
06 Sep 2009, Exaos Lee, Bug Report, Delete key "/A_Str" problem
|
Another problem while using odbedit.
I tried the batch mode of "odbedit". I created a key as "/A_Str" by mistake and
wanted to delete it. Then "odbedit" failed to accept the "Return" key. Please see
|
06 Sep 2009, Exaos Lee, Bug Report, Delete key "/A_Str" problem
|
> Another problem while using odbedit.
> I tried the batch mode of "odbedit". I created a key as "/A_Str" by mistake and
> wanted to delete it. Then "odbedit" failed to accept the "Return" key. Please see
|
03 Sep 2009, Exaos Lee, Suggestion, Building MIDAS using CMake
|
I write some configure file to build MIDAS using CMake. The usage is simple:
1. Unzip the attachment, copy "CMakeLists.txt" and directory "cmake" into the
midas source tree.
|
03 Sep 2009, Exaos Lee, Suggestion, Some screenshot using CMake with MIDAS
|
I didn't add optimization flags to compile, so I got link error while generating mcnaf as I reported before.
The screen-shots show that the configure files works because I have modified the "driver/camac/camacrpc.c". |
06 Sep 2009, Exaos Lee, Suggestion, Updated "CMakeLists.txt"
|
Add installation commands. Please see the attachment. |
06 Sep 2009, Exaos Lee, Bug Report, Compiling error of "src/history_odbc.cxx"
|
Version svn-r4556, I got a compiling error as below:
[CODE]
|
06 Sep 2009, Exaos Lee, Bug Report, Compiling error of "src/history_odbc.cxx"
|
[quote="Exaos Lee"]Version svn-r4556, I got a compiling error as below:
The detail error log is attached. I used my CMake script without any optimization flags. I will try the default Makefile again.[/quote]
|
06 Sep 2009, Exaos Lee, Bug Fix, Maybe a fix
|
Changing "SQLINTEGER" to "SQLLEN" maybe let the compiling pass. See the attached diff.
But I failed in another error. It was the problem in CMakeLists.txt. (FIXED) |
03 Sep 2009, Exaos Lee, Bug Report, Prompt problem about odbedit
|
I tried to use odbedit to set the "/System/Prompt" to "%h:%e:%s %p> " and got a
problem: pressing "Return" doesn't work any more. But "[%h:%e:%s]%p> " works fine.
Please see the attachment. |
03 Sep 2009, Stefan Ritt, Bug Report, Prompt problem about odbedit
|
> I tried to use odbedit to set the "/System/Prompt" to "%h:%e:%s %p> " and got a
> problem: pressing "Return" doesn't work any more. But "[%h:%e:%s]%p> " works fine.
> Please see the attachment.
|
21 Aug 2009, Exaos Lee, Forum, Link error of "mcnaf"
|
The "utils/mcnaf.c" uses "camop()",
[code]
180: printf("camop\n");
|
21 Aug 2009, Konstantin Olchanski, Forum, Link error of "mcnaf"
|
> If you compile each source into an object, you may encounter a link error ...
Also camac rpc did not work at all last time we tried to use it at triumf, maybe 4 month ago in the Dragon
|
31 Aug 2009, Exaos Lee, Forum, Link error of "mcnaf"
|
I repeated the link error again. I also found the almost all sources located in "driver/camac/" using "cam_op()" but not "camop()". Please see the grep
result below:
[CODE]
|
31 Aug 2009, Exaos Lee, Forum, Why should we use "INLINE" here?
|
There are many "INLINE" definitions in "include/*.h". Both GNU C and C99 permit using inline functions. I still wonder why. :-) |
03 Sep 2009, Stefan Ritt, Forum, Why should we use "INLINE" here?
|
[quote="Exaos Lee"]There are many "INLINE" definitions in "include/*.h". Both GNU C and C99 permit using inline functions. I still wonder why. :-)[/quote]
The INLINE statements are a relict from times where a subroutine call was in the order of a few microseconds. This was when you probably were pretty young, |
01 Sep 2009, Jimmy Ngai, Forum, Timeout during run transition
|
Dear All,
I'm using SL5 and MIDAS rev 4528. Occasionally, when I stop a run in odbedit,
|
03 Sep 2009, Stefan Ritt, Forum, Timeout during run transition
|
> Dear All,
>
> I'm using SL5 and MIDAS rev 4528. Occasionally, when I stop a run in odbedit,
|
29 Aug 2009, Exaos Lee, Forum, At last, I'm here again!
|
I always got a 503 server error while I tried to connect this log book the latest
weeks. I don't know why. I hope it is not due to the network censorship because
of the coming National Day of China. Anyway, good luck to me when I want to paste
|
10 Aug 2009, Konstantin Olchanski, Info, misc changes from PIENU and T2K
|
FYI - committed the last changes from TRIUMF DAQ systems for PIENU and T2K/ND280 FGD and TPC
tests:
|
10 Aug 2009, Konstantin Olchanski, Info, misc changes from PIENU and T2K
|
> FYI - committed the last changes from TRIUMF DAQ systems for PIENU and T2K/ND280 FGD and TPC
> tests:
> svn rev 4541
|
04 Aug 2009, Exaos Lee, Forum, VME-related codes contribution
|
Hi, all
I have some codes while using MIDAS. I upload them here. They are tested with
|
04 Aug 2009, Exaos Lee, Forum, About python interface
|
Coding in Python is faster than in C (but running slower). So, some python interfaces are useful for testing purpose. I hope you may like the PyMVME module
for VME bus testing. |
04 Aug 2009, Exaos Lee, Forum, The contents of the attachment
|
As requested from K.O., I paste the "00README.txt" as the following:
[CODE]
#-*- mode: outline -*-
|
04 Aug 2009, Exaos Lee, Forum, Scripts to handle MIDAS sessions
|
Hi, all again
I have some scripts in "bash" and "Python" to handle MIDAS sessions. Please see the attached [url=elog:613/1]utils4midas.zip[/url]. I didn't write instructions |
03 Aug 2009, Exaos Lee, Forum, How to distinguish the status and value returned from "mvme_read_value(...)"
|
The definition of mvme_read_value is as the following:
[CODE]unsigned int EXPRT mvme_read_value(MVME_INTERFACE * vme, mvme_addr_t vme_addr);
|
03 Aug 2009, Stefan Ritt, Forum, How to distinguish the status and value returned from "mvme_read_value(...)"
|
[quote="Exaos Lee"]The definition of mvme_read_value is as the following:
[CODE]unsigned int EXPRT mvme_read_value(MVME_INTERFACE * vme, mvme_addr_t vme_addr);
|
03 Aug 2009, Konstantin Olchanski, Forum, How to distinguish the status and value returned from "mvme_read_value(...)"
|
> uint32_t mvme_read_value(MVME_INTERFACE * vme, mvme_addr_t vme_addr);
> Question: How to distinguish the status and value returned?
|
02 Jul 2009, Dawei Liu, Forum, Data taking hangs in the middle of run
|
Hi,
We are using midas to read ADC. It sometimes hung in the middle of data taking.
|
03 Jul 2009, Pierre-Andre Amaudruz, Forum, Data taking hangs in the middle of run
|
Hi Dawei,
Could you give more info on your setup:
|
06 Jul 2009, Dawei Liu, Forum, Data taking hangs in the middle of run
|
Hi Pierr-Andre,
|
08 Jul 2009, Konstantin Olchanski, Forum, jorway73a.c, Data taking hangs in the middle of run
|
> > Could you give more info on your setup:
> > - CAMAC controller model
> Jorway 73A, we have three in hand and the problem doesn't depend on which controller
|
18 Jul 2009, Exaos Lee, Forum, jorway73a.c, Data taking hangs in the middle of run
|
> > > Could you give more info on your setup:
> > > - CAMAC controller model
> > Jorway 73A, we have three in hand and the problem doesn't depend on which controller
|
07 May 2009, Konstantin Olchanski, Info, mhttpd now uses mtransition
|
mhttpd function for starting and stopping runs now uses cm_transition(DETACH) which spawns an
external helper program called mtransition to handle the transition sequencing. This helps with the old
problem of looking at a blank screen for a long time if some frontends take a long time to process run
|
21 May 2009, Konstantin Olchanski, Info, mhttpd now uses mtransition
|
> mhttpd function for starting and stopping runs now uses cm_transition(DETACH) which spawns an
> external helper program called mtransition to handle the transition sequencing.
>
|
02 Jun 2009, Konstantin Olchanski, Info, mhttpd now uses mtransition
|
> > mhttpd function for starting and stopping runs now uses cm_transition(DETACH) which spawns an
> > external helper program called mtransition to handle the transition sequencing.
>
|
26 Jun 2009, Konstantin Olchanski, Info, mhttpd now uses mtransition
|
> > > mhttpd function for starting and stopping runs now uses cm_transition(DETACH) which spawns an
> > > external helper program called mtransition to handle the transition sequencing.
|
07 May 2009, Konstantin Olchanski, Bug Report, mlogger duplicate event problem
|
We have seen on several daq systems this problem: we start a run and observe that the number of
events written by mlogger to the output file is double the number of events actually collected. Upon
inspection of the output file, we see that every event is written twice. Restarting the run usually fixes
|
02 Jun 2009, Konstantin Olchanski, Bug Report, mlogger duplicate event problem
|
> We have seen on several daq systems this problem: we start a run and observe that the number of
> events written by mlogger to the output file is double the number of events actually collected. Upon
> inspection of the output file, we see that every event is written twice. Restarting the run usually fixes
|
16 Jun 2009, Konstantin Olchanski, Bug Report, mlogger duplicate event problem
|
> > We have seen on several daq systems this problem: we start a run and observe that the number of
> > events written by mlogger to the output file is double the number of events actually collected. Upon
> > inspection of the output file, we see that every event is written twice. Restarting the run usually fixes
|
24 Jun 2009, Konstantin Olchanski, Bug Report, TR_STARTABORT transition, mlogger duplicate event problem
|
> > > We have seen on several daq systems this problem: we start a run and observe that the number of
> > > events written by mlogger to the output file is double the number of events actually collected. Upon
> > > inspection of the output file, we see that every event is written twice. Restarting the run usually fixes
|
25 Jun 2009, Stefan Ritt, Bug Report, TR_STARTABORT transition, mlogger duplicate event problem
|
> Stefan suggested implementing a new transition, TR_STARTABORT, issued if TR_START fails. mlogger can use it to cleanup open files, etc, similar to TR_STOP.
>
> This is now implemented. In mlogger, TR_STARTABORT is similar to TR_STOP, but deletes open output files and does not save end-of-run information into |
25 Jun 2009, Konstantin Olchanski, Bug Report, TR_STARTABORT transition, mlogger duplicate event problem
|
> > Stefan suggested implementing a new transition, TR_STARTABORT, issued if TR_START fails. mlogger can use it to cleanup open files, etc, similar to TR_STOP.
> >
> > This is now implemented. In mlogger, TR_STARTABORT is similar to TR_STOP, but deletes open output files and does not save end-of-run information into |
25 Jun 2009, Stefan Ritt, Bug Report, TR_STARTABORT transition, mlogger duplicate event problem
|
> Are you sure? Only clients that register themselves to receive the TR_STARTABORT transition (via cm_register_transition()) will receive this transition.
>
> As of now, the only client that registers and receives this transition is mlogger.
|
24 Jun 2009, Razvan Stefan Gornea, Forum, Frontend and manual trigger question
|
Hi,
I have a question related to the frontend and I would need some suggestions
|
25 Jun 2009, Stefan Ritt, Forum, Frontend and manual trigger question
|
> I would like to add manual trigger capability and so I added the EQ_MANUAL_TRIG
> flag to the "CAEN" equipment type but the problem is that the framework calls
> directly the readout function on "Midas manual trigger". To trigger manually the
|
04 Jun 2009, bazinski, Bug Report, mhttpd command line experiment specifying
|
Hi
Not sure how the rest of you specify mhttpd to work with multiple experiments on
|
05 Jun 2009, Stefan Ritt, Bug Report, mhttpd command line experiment specifying
|
> Not sure how the rest of you specify mhttpd to work with multiple experiments on
> one machine, but it would seem not the same as me ;-)
|
05 Jun 2009, bazinski, Bug Report, mhttpd command line experiment specifying
|
Hi
> > Not sure how the rest of you specify mhttpd to work with multiple experiments on
|
05 Jun 2009, Konstantin Olchanski, Bug Report, mhttpd command line experiment specifying
|
> I guess you have to do some debugging there. Note that "detached" transitions have
> been implemented recently by Konstantin, so maybe your problem is related to that.
> In this case Konstantin should check what's wrong.
|
18 Jun 2009, Konstantin Olchanski, Bug Report, mhttpd command line experiment specifying
|
> > I guess you have to do some debugging there. Note that "detached" transitions have
> > been implemented recently by Konstantin, so maybe your problem is related to that.
> > In this case Konstantin should check what's wrong.
|
15 Jun 2009, Jimmy Ngai, Forum, Time limit of each run
|
Dear All,
Can one set a time limit for each run? I can only find event limit in ODB.
|
07 May 2009, Konstantin Olchanski, Bug Report, odbedit bad ctrl-C
|
When using "/bin/bash" shell, if I exit odbedit (and other midas programs) using ctrl-C, the terminal
enters a funny state, "echo" is turned off (I cannot see what I type), "delete" key does not work (echoes
^H instead).
|
04 Jun 2009, Stefan Ritt, Bug Report, odbedit bad ctrl-C
|
> When using "/bin/bash" shell, if I exit odbedit (and other midas programs) using ctrl-C, the terminal
> enters a funny state, "echo" is turned off (I cannot see what I type), "delete" key does not work (echoes
> ^H instead).
|
03 Jun 2009, Konstantin Olchanski, Bug Fix, Fix db_open_record() error return
|
The odb hot-link function db_open_record() did not return an error when the system limit for hotlinks is
exceeded and no more hot links could be added (silent failure). This is now fixed.
odb.c svn rev 4500
|
18 May 2009, Exaos Lee, Suggestion, Question about using mvmestd.h
|
The "mvmestd.h" uses the following function to open a VME device:
[CODE]int mvme_open(MVME_INTERFACE **vme, int idx)[/CODE]
I found that the "driver/vme/sis3100/sis3100.c" uses the implementation as:
|
18 May 2009, Stefan Ritt, Suggestion, Question about using mvmestd.h
|
[quote="Exaos Lee"]The "mvmestd.h" uses the following function to open a VME device:
[CODE]int mvme_open(MVME_INTERFACE **vme, int idx)[/CODE]
I found that the "driver/vme/sis3100/sis3100.c" uses the implementation as:
|
19 May 2009, Konstantin Olchanski, Suggestion, Question about using mvmestd.h
|
> The problem is: I renamed my SIS1100 devices as /dev/sis1100/xxxxx. So I have to hack the
"sis3100.c".
|
20 May 2009, Exaos Lee, Suggestion, Question about using mvmestd.h
|
> > The problem is: I renamed my SIS1100 devices as /dev/sis1100/xxxxx. So I have to hack the
> "sis3100.c".
>
|
07 May 2009, Konstantin Olchanski, Info, midas misc timeout fixes
|
(catching up on recent changes from t2k and pienu)
Various timeout problems fixed:
|
15 May 2009, Konstantin Olchanski, Info, midas misc timeout fixes
|
> - cm_transition() timeouts now settable from ODB (/experiment/transition timeout, transition connect timeout). Rev 4479
transition connect timeout was actually only half of that specified because of an error in computing timeout arguments to the select() system
|
15 May 2009, Konstantin Olchanski, Info, midas misc timeout fixes
|
> - cm_transition() timeouts now settable from ODB (/experiment/transition timeout, transition connect timeout). Rev 4479
transition connect timeout was actually only half of that specified because of an error in computing timeout arguments to the select() system
|
07 May 2009, Konstantin Olchanski, Bug Fix, Fixed mlogger run start and stop
|
Fixed problems with mlogger starting and stopping runs.
Basic difficulty was with the mlogger using ASYNC transitions, which did not implement proper
|
07 May 2009, Konstantin Olchanski, Bug Fix, mhttpd "Names" length
|
mhttpd did not like it when the equipment "Names" arrays had different length compared to the
corresponding "Variables" arrays. These limitations are now removed.
svn rev 4469
|
17 Apr 2009, Jimmy Ngai, Forum, MIDAS mhttpd custom page questions
|
Dear All,
I have created a custom page (please see the attachment) and imported into
|
20 Apr 2009, Jimmy Ngai, Forum, MIDAS mhttpd custom page questions
|
Dear All,
I have one more question. I use <odb src="odb field" edit=1> to display an
|
06 May 2009, Stefan Ritt, Forum, MIDAS mhttpd custom page questions
|
> I have one more question. I use <odb src="odb field" edit=1> to display an
> editable ODB value, but how can I show this value in hexadecimal?
|
06 May 2009, Stefan Ritt, Forum, MIDAS mhttpd custom page questions
|
> 1) I display the status of the run with <odb src="/Runinfo/State">, but it
> returns numbers which is not user friendly. How can I make something
> like "Running" with green background and "Stopped" with red background in the
|
04 Mar 2009, Dawei Liu, Forum, Analyzer gets killed cm_watchdog
|
Hello Midas experts:
|
24 Mar 2009, Stefan Ritt, Forum, Analyzer gets killed cm_watchdog
|
Hi,
your log script sound to me like the analyzer either got into an infinite loop or
|
17 Jan 2009, Konstantin Olchanski, Info, mhttpd, mlogger updates
|
mhttpd and mlogger have been updated with potentially troublesome changes.
Before using these latest versions, please make a backup of your ODB. This is
svn revisions 4434 (mhttpd.c) and 4435 (mlogger.c).
|
21 Jan 2009, Andreas Suter, Bug Report, mhttpd, mlogger updates
|
There is an obvious "unwanted feature" in this version of the mhttpd. It writes the
"plot time" into the gif (mhttpd, if-statement starting in line 8853).
|
18 Feb 2009, Konstantin Olchanski, Info, odbc sql history mlogger update
|
> mhttpd and mlogger have been updated with potentially troublesome changes.
> These new features are now available:
> - a "feature complete" implementation of "history in an SQL database".
|
26 Jan 2009, Derek Escontrias, Forum, Question - ODB access from a custom page
|
Hi, I am looking for a way to mutate ODB values from a custom page. I have been
using the edit attribute for the 'odb' tag, but for some things it would be nice
if a form can handle the change. I have seen references to ODBSet on the forums,
|
27 Jan 2009, Suzannah Daviel, Forum, Question - ODB access from a custom page
|
At present the only documentation on the Javascript library is in this elog
e.g. Message 496 31 Jul 08
|
20 Jan 2009, Stefan Ritt, Info, Subrun scheme implemented
|
A new "subrun" scheme has been implemented in mlogger to split a big data file into several individual data files. This feature might be helpful if a data
file from a single run gets too large (>4 GB for example) and if shorter runs are not wanted for efficiency reasons. The scheme works as follows:
|
23 Jan 2009, Renee Poutissou, Info, Subrun scheme implemented
|
Hi Stefan,
My colleague Tobi Raufer (tobi.raufer@stfc.ac.uk) has tested this new implementation and
sent me the following questions:
|
25 Jan 2009, Stefan Ritt, Info, Subrun scheme implemented
|
[quote="Renee Poutissou"]I have tested the new subrun functionality a bit more and I have two observations. First, it seems to work on a basic level, i.e.
subruns are created, which are equal in size. However, I can't relate their size to the byte limit set in the ODB.[/quote]
|
09 Jan 2009, Derek Escontrias, Forum, mlogger problem
|
Hi,
I am running Scientific Linux with kernel 2.6.9-34.EL and I have
|
13 Jan 2009, Stefan Ritt, Forum, mlogger problem
|
> Hi,
>
> I am running Scientific Linux with kernel 2.6.9-34.EL and I have
|
13 Jan 2009, Derek Escontrias, Forum, mlogger problem
|
> > Hi,
> >
> > I am running Scientific Linux with kernel 2.6.9-34.EL and I have
|
13 Jan 2009, Stefan Ritt, Forum, mlogger problem
|
> Sorry for being vague. I cleaned up the ODB, but it doesn't seem to be the
> problem. Here is a sample run of mlogger and gdb:
|
14 Jan 2009, Konstantin Olchanski, Forum, mlogger problem
|
> The problem was already fixed some time ago, so please update your version from the SVN
> revision (see https://midas.psi.ch/download.html for details).
|
01 Jan 2009, Konstantin Olchanski, Info, odb "hot link" magic explored
|
Here are my notes on the MIDAS ODB "hot link" function. Perhaps others can find them useful.
Using db_open_record(key,function), the user can tell MIDAS to call the specified user function when
|
14 Jan 2009, Stefan Ritt, Info, odb "hot link" magic explored
|
[quote="KO"]note 1: I do not completely understand the ss_suspend_xxx() stuff. The best I can tell is it creates a number of udp sockets bound to the local
host and at least one udp rpc receive socket ultimately connected to the cm_dispatch_rpc() function.[/quote]
|
12 Dec 2008, Jimmy Ngai, Info, Custom page which executes custom function
|
Dear All,
How can I add a button at the top of the "Status" webpage which will show a
|
14 Dec 2008, Stefan Ritt, Info, Custom page which executes custom function
|
> How can I add a button at the top of the "Status" webpage which will show a
> page similar to the "CNAF" one after I click on it? and how can I make a
> custom page similar to "CNAF" which allow me to call some custom funtions? I
|
01 Jan 2009, Konstantin Olchanski, Info, Custom page which executes custom function
|
> How can I add a button at the top of the "Status" webpage which will show a
> page similar to the "CNAF" one after I click on it? and how can I make a
> custom page similar to "CNAF" which allow me to call some custom funtions? I
|
13 Jan 2009, Stefan Ritt, Info, Custom page which executes custom function
|
The UDP connection you mention is only used locally for inter-process communication. When I implemented that, I
made extensive tests and found that there is never a packet being dropped. This happens for UDP only if the packet
goes over a physical network. Maybe this is different in modern Linux versions, so one should double check this
|
17 Dec 2008, Renee Poutissou, Bug Report, Overflow on "cm_msg" command generates segfault
|
The following error has been reported to me by T2K colleagues:
When using "odbedit -c "msg my_message", the following behavior
|
22 Dec 2008, Stefan Ritt, Bug Report, Overflow on "cm_msg" command generates segfault
|
> The following error has been reported to me by T2K colleagues:
>
> When using "odbedit -c "msg my_message", the following behavior
|
21 Dec 2008, Konstantin Olchanski, Bug Fix, mhttpd minor bug fixes and improvements
|
Committed minor bug fixes and improvements to mhttpd:
1) when generating history plots, use type "double" instead of "float" because "float" does not have enough
significant digits to plot values of large integer numbers. For example, serial numbers of T2K FGD FEB
|
27 Nov 2008, Konstantin Olchanski, Bug Fix, Fix ss_file_size() on 32-bit Linux
|
It turns out that on 32-bit Linux, ss_file_size() returns the wrong answer for
files bigger than 2 GB (4GB?). The Linux stat() system call returns an error
(which is ignored) and bogus file size data (returned to the caller).
|
01 Dec 2008, Stefan Ritt, Bug Fix, Fix ss_file_size() on 32-bit Linux
|
> I also changed ss_file_size(), ss_disk_size() and ss_disk_free() to return -1 if
> the system call returns an error. I also added a test program
> utils/test_ss_file_size.c.
|
02 Dec 2008, Stefan Ritt, Bug Fix, Fix ss_file_size() on 32-bit Linux
|
> I now fixed this problem by using the stat64() system call for "#ifdef OS_LINUX".
That does not work if _LARGEFILE64_SOURCE is not defined. In that case, the compiler
|
02 Dec 2008, Konstantin Olchanski, Bug Fix, Fix ss_file_size() on 32-bit Linux
|
> > I now fixed this problem by using the stat64() system call for "#ifdef OS_LINUX".
> That does not work if _LARGEFILE64_SOURCE is not defined.
> #ifdef _LARGEFILE64_SOURE
|
02 Dec 2008, Stefan Ritt, Bug Fix, Fix ss_file_size() on 32-bit Linux
|
[quote="K.O."]This does not work (observe the typoe in the #ifdef).[/quote]
Sorry for that, I fixed and committed it.
|
01 Dec 2008, Randolf Pohl, Bug Report, gcc warning in melog.c for midas 4401
|
Hi all,
I have just compiled midas 4401 using SuSE 11.0.
|
23 Mar 2008, Konstantin Olchanski, Info, Per-variable history implementation in the mlogger
|
The changes to mlogger implementing per-variable history have been committed to
svn. Revision 4145.
|
23 Mar 2008, Konstantin Olchanski, Info, Per-variable history implementation in the mlogger
|
> The changes to mlogger implementing per-variable history have been committed to
> svn. Revision 4145.
|
27 Nov 2008, Konstantin Olchanski, Info, Fixed mlogger crash, was Per-variable history implementation in the mlogger
|
> revision 4142+4143 are minor fixes, refactoring (switch the code to use helper
> functions) and implementation of history for structured banks
|
25 Mar 2008, Stefan Ritt, Info, Per-variable history implementation in the mlogger
|
Before approving the code, two conditions have to be fulfilled:
1) The code has to work on PSI experiments
|
27 Nov 2008, Konstantin Olchanski, Info, lazylogger updated
|
lazylogger was updated to improve handling of the list of runs still on disk
(odb /Lazy/xxx/List).
|
14 Oct 2004, Konstantin Olchanski, Bug Report, lazylogger complains about zero-size files
|
With latest midas, I see this:
Thu Oct 14 19:31:17 2004 [Lazy_Tape] [lazylogger.c:1717:Lazy] lazy_file_exists
|
27 Nov 2008, Konstantin Olchanski, Bug Report, lazylogger complains about zero-size files
|
I now have a better understanding of this: lazylogger uses ss_file_size() to find
out if a file exists or not. This function used to return 0 (probably) for
non-existant files (there was no check for error status from stat() system call,
|
26 Nov 2008, Jimmy Ngai, Info, Send email alert in alarm system
|
Dear All,
We have a temperature/humidity sensor in MIDAS now and will add a liquid level
|
26 Nov 2008, Stefan Ritt, Info, Send email alert in alarm system
|
> We have a temperature/humidity sensor in MIDAS now and will add a liquid level
> sensor to MIDAS soon. We want the operators to get alerted ASAP when the
> laboratory environment or the liquid level reached some critical levels. Can
|
20 Nov 2008, Jimmy Ngai, Info, Recommended platform for running MIDAS
|
Dear All,
Is there any recommended platforms for running MIDAS? Have anyone encountered
|
20 Nov 2008, Stefan Ritt, Info, Recommended platform for running MIDAS
|
> Dear All,
>
> Is there any recommended platforms for running MIDAS? Have anyone encountered
|
20 Oct 2008, Suzannah Daviel, Bug Report, custom web pages: customscript buttons and start/stop buttons generate errors
|
I am using an external Custom web page via a link in the ODB in /Custom, and
Javascript to add customscript button(s) and run start/stop buttons.
|
29 Oct 2008, Stefan Ritt, Bug Report, custom web pages: customscript buttons and start/stop buttons generate errors
|
To fix this problem, do the following:
- Update to the current SVN revision 4368 of mhttpd.c
|
04 Nov 2008, Suannah Daviel, Bug Report, custom web pages: customscript buttons and start/stop buttons generate errors
|
Thanks Stefan.
Your fix works nicely with the start/stop buttons not returning to the same or to a
different web page.
|
09 Nov 2008, Stefan Ritt, Bug Report, custom web pages: customscript buttons and start/stop buttons generate errors
|
> Thanks Stefan.
> Your fix works nicely with the start/stop buttons not returning to the same or to a
> different web page.
|
04 Nov 2008, Suzannah Daviel, Suggestion, <odb ... edit=1> buttons and javascript
|
When writing custom webpages, it would be nice to be able to write code such as
<odb src="/Equipment/TITAN_ACQ/ppg cycle/trans3/time offset (ms)" edit=1>
|
09 Nov 2008, Stefan Ritt, Suggestion, <odb ... edit=1> buttons and javascript
|
> When writing custom webpages, it would be nice to be able to write code such as
>
> <odb src="/Equipment/TITAN_ACQ/ppg cycle/trans3/time offset (ms)" edit=1>
|
04 Nov 2008, Suannah Daviel, Bug Report, bool values in "/custom/images/my_image.gif/labels/src" seem to lose their format string
|
Not sure if this is a bug or a feature:
Writing a boolean label on an image seems to produce rather strange behaviour.
|
09 Nov 2008, Stefan Ritt, Bug Report, bool values in "/custom/images/my_image.gif/labels/src" seem to lose their format string
|
> Not sure if this is a bug or a feature:
>
> Writing a boolean label on an image seems to produce rather strange behaviour.
|
06 Nov 2008, Konstantin Olchanski, Info, midas elog outage
|
Around Wednesday Noon, there was a power outage at triumf (loss of ups power in the triumf
computing center) and after rebooting ladd00, https/ssl access stopped working with a complaint
about mismatching server name and ssl certificate name. This configuration used to work, so one of the
|
22 Oct 2008, Konstantin Olchanski, Info, mscb timeouts and retries
|
A new set of functions was added to mscb.h to adjust mscb timeouts and retries to better match specific
applications:
|
28 Oct 2008, Stefan Ritt, Info, mscb timeouts and retries
|
> A new set of functions was added to mscb.h to adjust mscb timeouts and retries to better match specific
> applications:
>
|
23 Oct 2008, Konstantin Olchanski, Bug Report, strange output from "odbedit cleanup"
|
When I run odbedit remotely (odbedit -h ladd09), the "cleanup" command unexpectedly produces the
output of the "sor" command (sure enough, there is a call to db_get_open_records() there), but when I run
it locally, I do not get this output (but db_get_open_records() is still called). Strange. K.O. |
28 Oct 2008, Stefan Ritt, Bug Report, strange output from "odbedit cleanup"
|
> When I run odbedit remotely (odbedit -h ladd09), the "cleanup" command unexpectedly produces the
> output of the "sor" command (sure enough, there is a call to db_get_open_records() there), but when I run
> it locally, I do not get this output (but db_get_open_records() is still called). Strange. K.O.
|
23 Oct 2008, Konstantin Olchanski, Bug Report, Inconsistent handling of odb and evet buffer timeouts
|
In midas.c there are several places where client last activity time stamps are checked against the
watchdog timeout and the clients are declared dead if they fail to update their activity time stamps.
ODB time stamps and data buffer time stamps appear to be handled in a similar manner.
|
28 Oct 2008, Stefan Ritt, Bug Report, Inconsistent handling of odb and evet buffer timeouts
|
> In midas.c there are several places where client last activity time stamps are checked against the
> watchdog timeout and the clients are declared dead if they fail to update their activity time stamps.
> ODB time stamps and data buffer time stamps appear to be handled in a similar manner.
|
23 Oct 2008, Konstantin Olchanski, Bug Report, bm_wait_for_free_space never sleeps inside the mserver
|
When mserver receives events from remote client, writes them into a data buffer and this data buffer
becomes 100% full, we see mserver go into 100% consumption.
|
21 Oct 2008, Randolf Pohl, Forum, Mixed CAMAC/VME frontend, SIS3100
|
Dear MIDAS-addicts,
I would like to hear your opinion on this:
|
22 Oct 2008, Stefan Ritt, Forum, Mixed CAMAC/VME frontend, SIS3100
|
> Dear MIDAS-addicts,
>
> I would like to hear your opinion on this:
|
18 Oct 2008, Konstantin Olchanski, Info, make linux32 & co
|
The Makefile targets for crosscompiling MIDAS are now documented in the MIDAS
Doxygen documentation:
|
17 Oct 2008, Konstantin Olchanski, Info, mlogger async transitions, etc
|
As we were looking into problems with starting and stopping runs in one of our
daq systems, we found that the mlogger does something differently compared to
mhttpd and odbedit. Starting and stopping runs from mhttpd and odbedit works
|
18 Oct 2008, Stefan Ritt, Info, mlogger async transitions, etc
|
> I suspect mlogger uses ASYNC transactions exactly to avoid
> this type of deadlock (mlogger used ASYNC transactions since svn revision 2, the
> beginning of time).
|
13 Oct 2008, Konstantin Olchanski, Info, MIDAS drivers for Tundra tsi148 pci-vme bridge
|
The latest midas mvmestd.h driver for the Tundra tsi148 pci-vme bridge as used
on GEFANUC VME processors have been commited, revision 4349.
|
13 Oct 2008, Stefan Ritt, Info, mhttpd multi-experiment support removed
|
Previously, one mhttpd server could sever several experiments at the same time.
This caused however sometimes problems and was hard to maintain. Starting from
SVN revision 4348, I removed the multi-experiment support, which I believe is
|
10 Oct 2008, Konstantin Olchanski, Bug Report, mhttpd "messages" broken
|
mhttpd "messages" page stopped working after svn revision 4327 because of uninitialized variable
"filename2" in midas.c:cm_message_retrieve(). Attached patch fixes the problem for me.
K.O.
|
11 Oct 2008, Stefan Ritt, Bug Report, mhttpd "messages" broken
|
> mhttpd "messages" page stopped working after svn revision 4327 because of uninitialized variable
> "filename2" in midas.c:cm_message_retrieve(). Attached patch fixes the problem for me.
> K.O.
|
03 Oct 2008, Konstantin Olchanski, Info, Implement non-default mserver tcp port numbers.
|
midas revision 4342 implements non-default tcp port numbers for the mserver.
To use, run "mserver -p 7070" and say "setenv MIDAS_SERVER_HOST
|
19 Sep 2008, Stefan Ritt, Info, Lazylogger logging changed
|
I modified the logging behavior of lazylogger. Originally, it was writing
messages (run copied, removed, ...) both into midas.log and
lazy_log_update.log. Since we have many files, it kind of clutters up the
|
18 Sep 2008, Stefan Ritt, Info, Potential problems in multi-threaded slow control front-end
|
We had recently some problems at our experiment which I would like to share
with the community. This affects however only experiments which have a slow
control front-end in multi-threaded mode.
|
17 Sep 2008, Stefan Ritt, Info, New flag for auto restart
|
A new ODB flag has been introduced. When the logger is configured for automatic
stop and restart (/Logger/Auto restart = y), the restart delay was hard-wired
to 20 sec., which might be too long or short for some experiments. Therefore a
|
29 Aug 2008, Konstantin Olchanski, Info, history_odbc: store MIDAS history in ODBC/MySQL database
|
The code for storing midas history in an odbc sql database has been committed.
Changes:
include/history_odbc.h, src/history_odbc.cxx --- implementation
|
28 Aug 2008, Konstantin Olchanski, Info, triumf/t2k midas updates
|
Following changes to midas produced from the TRIUMF T2K project have been
committed to svn:
1) cm_shutdown() will now SIGKILL clients that cannot be stopped via normal
|
17 Jun 2008, Stefan Ritt, Info, Improvement of custom pages
|
Some improvement of custom pages have been implemented. The idea behind is that
a custom page would contain a large background image containing indicators but
also controls. While indicators (values, bars) are already available, the field
|
31 Jul 2008, Stefan Ritt, Info, Improvement of custom pages
|
Even more improvements have been implemented into custom pages recently, containing a complete JavaScript library for ODB communication. This JavaScript
library relies on certain new commands built into mhttpd, and is therefore hardcoded into mhttpd. It can be seen by entering
|
16 Jul 2008, Stefan Ritt, Info, Implementation of db_set_link_data() and db_set_link_data_index()
|
The current implementation of ODB links has the problem that once a link is
created, it cannot be changed any more through odbedit. This is because each
"set" command works on the destination of the link instead of the link. The same
|
04 Jul 2008, Stefan Ritt, Info, Improved alarm conditions implemented
|
I implemented improved alarm conditions in the alarm system. Now one can write
conditions like
|
01 Jul 2008, Jimmy Ngai, Forum, CAEN V792N QDC with MIDAS
|
Dear All,
I have a problem when testing the V792N 16 CH QDC with the V1718 VME-USB
|
11 Jun 2008, Andreas Suter, Suggestion, mlogger is flooding the message queue
|
The current versions of mlogger SVN 4215 is flooding our message system with
stuff like
|
11 Jun 2008, Konstantin Olchanski, Suggestion, mlogger is flooding the message queue
|
> The current versions of mlogger SVN 4215 is flooding our message system with
> stuff like
>
|
16 Jun 2008, Konstantin Olchanski, Suggestion, mlogger is flooding the message queue
|
> The current versions of mlogger SVN 4215 is flooding our message system with
> stuff like
>
|
16 Jun 2008, Stefan Ritt, Suggestion, mlogger is flooding the message queue
|
> > The current versions of mlogger SVN 4215 is flooding our message system with
> > stuff like
> >
|
16 Jun 2008, Stefan Ritt, Bug Fix, "Missing event" problem fixed in front-end framework
|
Since the very beginning midas had the problem that the last event of a run was
sometimes missing in the data. While for most experiments this is not an issue,
it starts to hurt on experiments using event building (front-end 1 and front-end
|
05 Jun 2008, Jimmy Ngai, Forum, CAEN VME-USE Bridge with MIDAS
|
Hi All,
Is there any example code for using MIDAS with the CAEN VME-USB Bridge V1718?
|
07 Jun 2008, Jimmy Ngai, Forum, CAEN VME-USE Bridge with MIDAS
|
Hi All,
I am testing the libraries provided by CAEN with the sample softwares in the
|
20 May 2008, Konstantin Olchanski, Bug Report, pending problems and fixes from triumf
|
Here is the list of known problems I am aware of and of fixes not yet committed
to midas svn:
|
28 May 2008, Konstantin Olchanski, Bug Report, pending problems and fixes from triumf
|
> Here is the list of known problems I am aware of and of fixes not yet committed
> to midas svn:
>
|
29 May 2008, Konstantin Olchanski, Bug Report, pending problems and fixes from triumf
|
> > Here is the list of known problems I am aware of and of fixes not yet committed to midas svn:
> > 1) added variable /equiment/foo/common/PerVariableHistory
>
|
07 Jan 2008, Stefan Ritt, Info, Roll-back for history sytem added
|
The midas history system always had the problem that the database can get
corrupted if the disk gets full where the history records (*.hst & *.idx) are
stored. This can happen if a history event can only be written partially on the
|
13 Feb 2008, Konstantin Olchanski, Info, Roll-back for history sytem added
|
> The midas history system always had the problem that the database can get
> corrupted if the disk gets full where the history records (*.hst & *.idx) are
> stored.
|
13 Feb 2008, Stefan Ritt, Info, Roll-back for history sytem added
|
> But to make things more interesting we had another history outage this week - we
> happen to write history files to an NFS server (not recommened! do not do this!) and
> when the NFS server had a glitch, history files got corrupted - because during the
|
28 May 2008, Konstantin Olchanski, Info, Roll-back for history sytem added
|
> > But to make things more interesting we had another history outage this week...
> > Anyhow, I now have a patch to allow hs_read() to "skip the bad spots" in history files.
>
|
20 May 2008, Konstantin Olchanski, Bug Report, pending problems and fixes from triumf
|
Here is the list of known problems I am aware of and of fixes not yet committed
to midas svn: |
30 Apr 2008, Konstantin Olchanski, Info, triumf elog updated to elog-2.7.3-1.i386.rpm
|
FYI - in conjunction with replacement of ladd00.triumf.ca, this MIDAS ELOG has been updated to the latest
version 2.7.3-2058. Please report any problems or anomalies. K.O. |
02 Apr 2008, Konstantin Olchanski, Info, add "const" attributes to db_xxx() functions
|
Now that we use more and more C++, lack of "const" attribute on most midas functions is causing some
problems. I am now ready to commit changes to midas.h and odb.c that add the const attributes to ODB
access functions db_xxx(), i.e.
|
02 Apr 2008, Stefan Ritt, Info, add "const" attributes to db_xxx() functions
|
> Now that we use more and more C++, lack of "const" attribute on most midas functions is causing some
> problems. I am now ready to commit changes to midas.h and odb.c that add the const attributes to ODB
> access functions db_xxx(), i.e.
|
03 Apr 2008, Konstantin Olchanski, Info, add "const" attributes to db_xxx() functions
|
> > I am now ready to commit changes to midas.h and odb.c that add the const attributes to ODB
> > access functions db_xxx(), i.e.
> > INT db_rename_key(HNDLE hDB, HNDLE hKey, char *name)
|
02 Apr 2008, Konstantin Olchanski, Info, add "const" attributes to db_xxx() functions
|
Now that we use more and more C++, lack of "const" attribute on most midas functions is causing some
problems. I am now ready to commit changes to midas.h and odb.c that add the const attributes to ODB
access functions db_xxx(), i.e.
|
23 Mar 2008, Konstantin Olchanski, Info, History SQL database poll: MySQL, PgSQL, ODBC?
|
I would like to hear from potential users on which SQL database would be
preferable for storage of MIDAS history data.
|
09 Mar 2008, Exaos Lee, Suggestion, New Makefile for building MIDAS
|
I rewrote the Makefile for MIDAS in order to make it tidy. I tested it on my box
and it works here.
1. The full file is seperated to several parts
|
09 Mar 2008, Stefan Ritt, Suggestion, New Makefile for building MIDAS
|
> I rewrote the Makefile for MIDAS in order to make it tidy. I tested it on my box
> and it works here.
> 1. The full file is seperated to several parts
|
10 Mar 2008, Stefan Ritt, Suggestion, New Makefile for building MIDAS
|
> I rewrote the Makefile for MIDAS in order to make it tidy. I tested it on my box
> and it works here.
> 1. The full file is seperated to several parts
|
10 Mar 2008, Exaos Lee, Suggestion, New Makefile for building MIDAS
|
> The Makefile is missing -lzip:
Sorry, spelling error.
|
10 Mar 2008, Konstantin Olchanski, Suggestion, New Makefile for building MIDAS
|
> I rewrote the Makefile for MIDAS in order to make it tidy.
Not that the current Makefile is too pretty (I have seen worse), but it works and it is fairly compact for a project of
|
10 Mar 2008, Exaos Lee, Suggestion, New Makefile for building MIDAS
|
> Most experience with autoconf/automake is all negative. The promise was "never debug your Makefile ever
> again!", delivered was "debug the configure script instead!". In practice, with autoconf/automake, you try to run
> configure, kludge it until it stops crashing, then tweak the incomprehensible Makefiles it produces until the code
|
12 Mar 2008, Konstantin Olchanski, Suggestion, New Makefile for building MIDAS
|
> > Most experience with autoconf/automake is all negative. The promise was "never debug your Makefile ever
> > again!", delivered was "debug the configure script instead!".
>
|
10 Mar 2008, Exaos Lee, Suggestion, "Makefile-by-EL" updated
|
> Not that the current Makefile is too pretty (I have seen worse), but it
works and it is fairly compact for a project of
> this complexity, it handles a large number of operating systems and build
|
10 Mar 2008, Exaos Lee, Suggestion, "Makefile-by-EL" updated
|
Sorry, this line:
[CODE]EXECS += $(EXAMPLES:%/$(BIN_DIR)/%)[/CODE]
should be replaced by
|
11 Mar 2008, Stefan Ritt, Suggestion, "Makefile-by-EL" updated
|
The linking of mhttpd misses a "-lm":
cc -g -O3 -Wall -Wuninitialized -DINCLUDE_FTPLIB -D_LARGEFILE64_SOURCE -DOS_LINUX
|
11 Mar 2008, Exaos Lee, Suggestion, "Makefile-by-EL" updated
|
> The linking of mhttpd misses a "-lm":
>
> cc -g -O3 -Wall -Wuninitialized -DINCLUDE_FTPLIB -D_LARGEFILE64_SOURCE -DOS_LINUX
|
07 Mar 2008, Randolf Pohl, Bug Report, array overflows and other bugs
|
Hi,
I have just compiled MIDAS svn 4132 on a fresh SuSE 10.3 x86_64 system and gcc
|
07 Mar 2008, Stefan Ritt, Bug Report, array overflows and other bugs
|
> I have just compiled MIDAS svn 4132 on a fresh SuSE 10.3 x86_64 system and gcc
> found a bunch of bugs, I guess.
|
10 Mar 2008, Stefan Ritt, Bug Report, array overflows and other bugs
|
There were some trivial and some non-trivial issues. Glad the compiled picked up on
this!
|
07 Jun 2007, Konstantin Olchanski, Suggestion, RFC- ACLs for midas rpc, mserver, mhttpd access
|
Running MIDAS at CERN is proving more challenging than I expected. The network environement is not
as benign as I am used to (i.e. at TRIUMF) and our machines are being constantly probed by something/
somebody.
|
07 Jun 2007, John M O'Donnell, Suggestion, RFC- ACLs for midas rpc, mserver, mhttpd access
|
I am in favor of tcp_wrappers.
tcp_wrappers is well understood.
|
08 Jun 2007, Stefan Ritt, Suggestion, RFC- ACLs for midas rpc, mserver, mhttpd access
|
First I have a general question: mserver is started through xinetd, and xinetd has
the options "only_from" and "no_access". This is equivalent to the tcp_wrapper
functionality. Why not using this? It's possible without changing anything in midas.
|
07 Mar 2008, Konstantin Olchanski, Suggestion, RFC- ACLs for midas rpc, mserver, mhttpd access
|
The mhttpd host-based access control list as used by ALPHA at CERN is now committed to
SVN (revision 4135).
|
10 Mar 2008, Stefan Ritt, Suggestion, RFC- ACLs for midas rpc, mserver, mhttpd access
|
> When accepting connection from a remote host, the remote IP address is converted to a
> hostname using gethostbyaddr(). If ODB directory "/experiment/security/mhttpd hosts",
> exists, access is permitted if there is an entry for the this hostname. "localhost" is
|
10 Mar 2008, Konstantin Olchanski, Suggestion, RFC- ACLs for midas rpc, mserver, mhttpd access
|
> While your "positive list" will certainly work, it is much more inflexible than a more
> general hosts.allow/hosts.deny with wildcards. Assume some experiment decides it wants to
> be controlled from all inside CERN. With hosts.allow/deny you could do
|
10 Mar 2008, Stefan Ritt, Suggestion, RFC- ACLs for midas rpc, mserver, mhttpd access
|
> I was going to bring this up later, but since mhttpd does not pass security audits, I believe
> the only way it should be run in the modern computing environement is behind
> a password-protected SSL proxy.
|
02 Mar 2008, Exaos Lee, Suggestion, Bash Script for handling an experiment code
|
I rearanged the files in "examples/experiment" as the attached "mtest_exp.zip". I re-write the start/stop script as the attached "daq.sh". The script "daq.sh"
can be re-used for many experiments. The user only needs to provide an script "daq_env.sh" as the following containing the settings for the experiment
environment.
|
05 Feb 2008, Denis Bilenko, Info, pymidas 0.6.0 released - python bindings for Midas
|
Hi!
I have released pymidas - Python binding to Midas.
|
18 Feb 2008, Exaos Lee, Bug Report, Great! But I failed to run it. :(
|
I encountered the error message as the following:
[CODE]
Traceback (most recent call last):
|
26 Feb 2008, Denis Bilenko, Bug Report, NEED_SHLIB=1 is broken
|
I have the exact same problem with midas rev. 4129.
`make NEED_SHLIB=1` doesn't work.
|
27 Feb 2008, Konstantin Olchanski, Bug Report, NEED_SHLIB=1 is broken
|
--- Makefile (revision 4129)
+++ Makefile (working copy)
- $(LIB_DIR)/mxml.o $(LIB_DIR)/cnaf_callback.o \
|
29 Feb 2008, Denis Bilenko, Bug Report, NEED_SHLIB=1 is broken
|
Having libmidas.so is absolutely necessary for pymidas to work. If there was no such
option in Makefile pymidas users would have to build it themselves.
|
27 Feb 2008, Konstantin Olchanski, Bug Report, mhttpd: cannot attach history to elog
|
From "history" pages, the "create elog" button stopped working - it takes us to the elog entry form, but
then, the "submit" button does not create any elog entries, instead dumps us into an invalid history
display. This is using the internal elog.
|
28 Feb 2008, Konstantin Olchanski, Bug Report, mhttpd: cannot attach history to elog
|
> From "history" pages, the "create elog" button stopped working - it takes us to the elog entry form, but
> then, the "submit" button does not create any elog entries, instead dumps us into an invalid history
> display. This is using the internal elog.
|
18 Aug 2005, Konstantin Olchanski, Info, CAMAC register_cnaf_callback()
|
Some time ago, the "remote CAMAC" functionality in mfe.c was made conditional on
HAVE_CAMAC. This flag is not set by default so remote camac calls silently do
not work, unless midas is compiled in a special way. I am too lazy to compile
|
01 Sep 2005, Stefan Ritt, Info, CAMAC register_cnaf_callback()
|
> Some time ago, the "remote CAMAC" functionality in mfe.c was made conditional on
> HAVE_CAMAC. This flag is not set by default so remote camac calls silently do
> not work, unless midas is compiled in a special way. I am too lazy to compile
|
27 Feb 2008, Konstantin Olchanski, Info, CAMAC register_cnaf_callback() - removed from libmidas
|
> > Affected files:
> > Makefile (add cnaf_callback.o)
> That's a good idea.
|
18 Feb 2008, Konstantin Olchanski, Bug Report, potential memory corruption in odb,c:extract_key()
|
It looks like ODB function extract_key() will overwrite the array pointed to by "key_name" if given an odb
path with very long names (as seems to happen when redirection explodes in the Safari web browser, via
db_get_value(TRUE) via mhttpd "start program" button). All callers of this function seem to provide 256
|
21 Feb 2008, Konstantin Olchanski, Bug Report, potential memory corruption in odb,c:extract_key()
|
> It looks like ODB function extract_key() will overwrite the array pointed to by "key_name" if given an odb
> path with very long names (as seems to happen when redirection explodes in the Safari web browser, via
> db_get_value(TRUE) via mhttpd "start program" button). All callers of this function seem to provide 256
|
13 Feb 2008, Konstantin Olchanski, Info, mhttpd history display updates
|
I now merged almost all the mhttpd changes from CERN AD-5/ALPHA. Only the code
for mhttpd HTTP:// access control list remains unmerged.
|
14 Feb 2008, Stefan Ritt, Info, mhttpd history display updates
|
You misspelled one ODB entry:
Line 9014:
|
21 Feb 2008, Konstantin Olchanski, Info, mhttpd history display updates
|
> You misspelled one ODB entry:
> Line 9014:
> sprintf(str, "/History/Display/%s/Label", path);
|
18 Feb 2008, Konstantin Olchanski, Bug Report, mhttpd safari 3.0.4 redirect problem
|
I now encountered a new problem with mhttpd - I connect using the Safari 3.0.4 browser, go to the
"Programs" page, press the button "Start feplc" (or any other "start" button) and instead of starting this
program, I get an error in the browser, funny entries in ODB in "/Programs", corrupted ODB and a spew
|
21 Feb 2008, Stefan Ritt, Bug Report, mhttpd safari 3.0.4 redirect problem
|
> /* start command */
> if (*getparam("Start")) {
> /* for NT: close reply socket before starting subprocess */
|
16 Oct 2006, Exaos Lee, Bug Fix, "make install" error on MacOS 10.4.7, svn 3366
|
While executing "make install" under MacOS 10.4.7, you may encounter errors about "dio". It is the
problem of "Makefile". I did some change to it and attach the diff file here. |
16 Oct 2006, Stefan Ritt, Bug Fix, "make install" error on MacOS 10.4.7, svn 3366
|
> While executing "make install" under MacOS 10.4.7, you may encounter errors about "dio". It is the
> problem of "Makefile". I did some change to it and attach the diff file here.
|
19 Feb 2008, Maggie Lee, Bug Fix, "make install" error on MacOS 10.4.7, svn 3366
|
> While executing "make install" under MacOS 10.4.7, you may encounter errors about "dio". It is the
> problem of "Makefile". I did some change to it and attach the diff file here.
|
19 Feb 2008, Maggie Lee, Bug Fix, "make install" error on MacOS 10.4.7, svn 3366
|
I forgot to mention that, the following (and similar) lines:
install -v -D -m 755 $$file $(SYSBIN_DIR)/`basename $$file` ; \
are changed into
|
19 Feb 2008, Stefan Ritt, Bug Fix, "make install" error on MacOS 10.4.7, svn 3366
|
> I forgot to mention that, the following (and similar) lines:
> install -v -D -m 755 $$file $(SYSBIN_DIR)/`basename $$file` ; \
> are changed into
|
19 Feb 2008, Maggie Lee, Bug Fix, "make install" error on MacOS 10.4.7, svn 3366
|
Thank you for your help =)
Since SYSBIN_DIR is defined as /usr/local/bin in the Makefile and it exists in my computer, so I deleted the -D in the Makefile and tried to "make install" |
19 Feb 2008, Petr Nomokonov, Info, Frontend - Backend c onnection
|
Backend computer with SLC4.4 Linux did'not work as mserver because some security
protection under iptables service (could not connect with frontend computers).
The connection established if to make ( under root ) iptables disable
|
18 Feb 2008, Jimmy Ngai, Bug Report, Analyzer cannot run as Daemon
|
Hi All,
I'm testing MIDAS SVN rev-4113 on Scientific Linux 5.1 (i386) and the Analyzer
|
05 Feb 2008, Stefan Ritt, Info, Implementation of relative paths in mhttpd
|
A major change was made to mhttpd, changing all internal URLs to relative paths.
This allows proxy access to mhttpd via an apache server for example, which might
be needed to securely access an experiment from outside the lab through a
|
13 Feb 2008, Konstantin Olchanski, Info, Implementation of relative paths in mhttpd
|
> A major change was made to mhttpd, changing all internal URLs to relative paths.
> This allows proxy access to mhttpd via an apache server for example, which might
> be needed to securely access an experiment from outside the lab through a
|
05 Feb 2008, qinzeng peng, Forum, rpc timeout, related to event_size and watch dog? need help
|
Dear all,
I'm trying to write a simulation code on midas. What I did is just modify the
|
06 Feb 2008, Stefan Ritt, Forum, rpc timeout, related to event_size and watch dog? need help
|
Most likely you changed the maximal event size in midas.h, but you did not re-compile [B]all[/B] programs. The maximal event size goes into the size of
the shared memory buffer, so all participating programs have to have the same setting, especially the mserver program. So do the following:
|
06 Feb 2008, qinzeng peng, Forum, rpc timeout, related to event_size and watch dog? need help
|
[quote="Stefan Ritt"]Most likely you changed the maximal event size in midas.h, but you did not re-compile [B]all[/B] programs.[/quote]
Every time I changed midas.h or system header files, I did the re-compile with following procedure:
ipcrm
|
06 Feb 2008, Stefan Ritt, Forum, rpc timeout, related to event_size and watch dog? need help
|
First of all, I would appreciate if you do not post your entry ten times. Each time you edit it, you produce an email notification going to everybody, so
people might get annoyed to receive too many emails from you. Think what you want to write and then post once.
|
04 Feb 2008, Robert Pattie, Forum, analyzer crashes at high rates
|
I'm using midas to read data from a waveform digitizer at event rates of
10-30kHz. To accomplish this the digitizer is read via Block transfers and the
raw data put into a single MIDAS event. Thus a MIDAS event could contain upto
|
05 Feb 2008, Stefan Ritt, Forum, analyzer crashes at high rates
|
> I'm using midas to read data from a waveform digitizer at event rates of
> 10-30kHz. To accomplish this the digitizer is read via Block transfers and the
> raw data put into a single MIDAS event. Thus a MIDAS event could contain upto
|
27 Nov 2007, Stefan Ritt, Info, ODB links to array elements implemented
|
In revision 4090 I implemented ODB links to individual array elements. Now you
can have for example:
|
22 Jan 2007, Carl Metelko, Forum, Midas on a x86_64
|
Hi,
has anyone managed to get midas to work on a x86_64 processor. I followed the
instructions for the 64-bit opteron but i am getting runtime error when trying
|
22 Jan 2007, Konstantin Olchanski, Forum, Midas on a x86_64
|
> has anyone managed to get midas to work on a x86_64 processor. I followed the
> instructions for the 64-bit opteron but i am getting runtime error when trying
> the examples.
|
12 Jul 2007, Konstantin Olchanski, Forum, Midas on a x86_64 - incompatible with x86_32
|
> We run 64-bit MIDAS on RHEL4 with 64-bit ROOT and everything generally works,
> except for compatibility problems with 32-bit MIDAS.
>
|
13 Jul 2007, Stefan Ritt, Forum, Midas on a x86_64 - incompatible with x86_32
|
> The biggest problem here is that making 32-bit ODB and 64-bit ODB compatible requires breaking one or
> the other (My proposed changes break the 64-bit version. Alternatively, one could add explicit padding
> to these data structures and break the 32-bit ODB).
|
12 Aug 2007, Konstantin Olchanski, Forum, Midas on a x86_64 - incompatible with x86_32
|
> I agree to make 32-bit and 64-bit compatible. In the long run, everything will be 64-bit, so I would suggest
> in breaking the 32-bit ODB, add some padding there where needed, probably with some conditional compiling.
|
20 Aug 2007, Konstantin Olchanski, Forum, Midas on a x86_64 - incompatible with x86_32
|
> > I agree to make 32-bit and 64-bit compatible. In the long run, everything will be 64-bit, so I would suggest
> > in breaking the 32-bit ODB, add some padding there where needed, probably with some conditional compiling.
>
|
29 Aug 2007, Konstantin Olchanski, Forum, ODBv3, second try - Midas on a x86_64 - incompatible with x86_32
|
> > > I agree to make 32-bit and 64-bit compatible. In the long run, everything will be 64-bit, so I would suggest
> > > in breaking the 32-bit ODB, add some padding there where needed, probably with some conditional compiling.
> > 1) midas.h: remove unused field "dispatch" from EVENT_REQUEST and bump DATABASE_VERSION from 2 to 3
|
21 Nov 2007, Konstantin Olchanski, Forum, ODBv3, second try - Midas on a x86_64 - incompatible with x86_32
|
These changes to make 32-bit and 64-bit ODB binary compatible with each other are now commited to midas svn, revision 4080.
|
26 Jan 2007, Carl Metelko, Forum, Midas on a x86_64
|
I upgraded from 1.9.5 to the latest on SVN an it works fine |
15 Mar 2007, Konstantin Olchanski, Info, mhdump: a standalone MIDAS history dump utility
|
While working on improvements to the MIDAS history system, I understood the data
format of the MIDAS .hst files and wrote a standalone program to extract data
from them, called mhdump.
|
15 Mar 2007, Stefan Ritt, Info, mhdump: a standalone MIDAS history dump utility
|
> I hope people find this program useful. If you have any feedback (patches, bug
> reports, requests for improvements), please post them as replies to this forum
> message.
|
20 Nov 2007, Konstantin Olchanski, Info, mhdump: a standalone MIDAS history dump utility
|
> > I hope people find this program useful. If you have any feedback (patches, bug
> > reports, requests for improvements), please post them as replies to this forum
> > message.
|
17 Oct 2007, Randolf Pohl, Forum, Adding MIDAS .root-files
|
Dear MIDAS users,
I want to add several .root-files produced by the MIDAS analyzer, in a fast
|
17 Oct 2007, John M O'Donnell, Forum, Adding MIDAS .root-files
|
The following program handles regular directories in a file, or folders (ugh).
Most histograms are added bin by bin.
|
17 Oct 2007, Randolf Pohl, Forum, Multi-core CPUs
|
Dear Forum,
I have this beautiful Intel Quadcore with fast disks, but MIDAS does obviously
|
17 Oct 2007, Stefan Ritt, Forum, Multi-core CPUs
|
> I have this beautiful Intel Quadcore with fast disks, but MIDAS does obviously
> only make use of one CPU at a time. Has anyboy of you already done some work
> on making MIDAS parallel? Event-based data analysis should be the best
|
11 Oct 2007, Stefan Ritt, Bug Report, _syscall0 not available on gcc 4.1.1
|
Dear Stephan,
I am writting on behalf of the LiBeRACE collaboration
|
11 Oct 2007, Stefan Ritt, Bug Report, _syscall0 not available on gcc 4.1.1
|
> Dear Stephan,
>
> I am writting on behalf of the LiBeRACE collaboration
|
08 Oct 2007, Carl Metelko, Bug Report, Error in data format- ending blocks on 32bit boundary x86_64
|
Hi,
I found that midas banks can be given an extra 32 bits of zeros when
trying to keep to 32bit boundary on my x86_64.
|
08 Oct 2007, Stefan Ritt, Bug Report, Error in data format- ending blocks on 32bit boundary x86_64
|
> Hi,
> I found that midas banks can be given an extra 32 bits of zeros when
> trying to keep to 32bit boundary on my x86_64.
|
02 Oct 2007, Konstantin Olchanski, Info, ROODY, ROOTANA updates
|
The ROODY online histogram viewer and the ROOTANA midas analyzer toolkit have been updated to work
with ROOT version 5.16 and tested on Linux (SL4.4) and MacOS (10.4.10/PPC).
|
06 Sep 2007, Stefan Ritt, Info, Introduction of MIDAS_MAX_EVENT_SIZE
|
We had the problem that different experiments used different MAX_EVENT_SIZE
values (the MEG experiment actually 10 MB!). If each experiment changes the
value in midas.h and accidentally commits it, other experiments are affected.
|
20 Aug 2007, Konstantin Olchanski, Bug Report, how to handle end of run?
|
I am having problems with handling the end-of-run situation in my midas
frontend. I have a device that continuously sends data (over USB) and I read
this data in my "read_event" function.
|
03 Sep 2007, Stefan Ritt, Bug Report, how to handle end of run?
|
> I am having problems with handling the end-of-run situation in my midas
> frontend. I have a device that continuously sends data (over USB) and I read
> this data in my "read_event" function.
|
29 Aug 2007, Konstantin Olchanski, Info, Added data compression to mlogger
|
I now commited the changes to mlogger (mlogger.c, msystem.h) implementing data
compression using zlib (svn revision 3845)
|
08 Jun 2006, Konstantin Olchanski, Bug Fix, commit latest ccusb.c CAMAC-USB driver
|
I commited the latest driver for the Wiener CCUSB USB-CAMAC driver. It
implements all functions from mcstd.h and has been tested to be plug-compatible
with at least one of our CAMAC frontends. K.O. |
23 Sep 2006, Konstantin Olchanski, Bug Fix, commit latest ccusb.c CAMAC-USB driver
|
> I commited the latest driver for the Wiener CCUSB USB-CAMAC driver. It
> implements all functions from mcstd.h and has been tested to be plug-compatible
> with at least one of our CAMAC frontends. K.O.
|
22 Aug 2007, Konstantin Olchanski, Bug Fix, commit latest ccusb.c CAMAC-USB driver
|
> > I commited the latest driver for the Wiener CCUSB USB-CAMAC driver. It
> > implements all functions from mcstd.h and has been tested to be plug-compatible
> > with at least one of our CAMAC frontends. K.O.
|
26 Jul 2007, Stefan Ritt, Info, Change of pointer type in mvmestd.h
|
I had to change the pointer type of mvme_read and mvme_write to (void *) instead
to (mvme_locaddr_t *) to avoid warnings under 64-bit linux. Please adjust your
VME drivers if necessary.
|
12 Aug 2007, Konstantin Olchanski, Info, Change of pointer type in mvmestd.h
|
> I had to change the pointer type of mvme_read and mvme_write to (void *) instead
> to (mvme_locaddr_t *) to avoid warnings under 64-bit linux. Please adjust your
> VME drivers if necessary.
|
29 Jun 2007, Konstantin Olchanski, Bug Fix, mscb, musbstd fixed on Linux, MacOS
|
I commited a few minor changes to musbstd and mscb code to make them work on
MacOSX (tested on 10.3.9) and Linux (tested on Fedora 6).
|
02 Jul 2007, Stefan Ritt, Bug Fix, mscb, musbstd fixed on Linux, MacOS
|
[quote="KO"]There supposed to be no changes to the Windows code, but I cannot test on Windows, so if somebody does and finds breakage, please let me know.[/quote]
I can confirm that revision 3713 still works under Windows. |
06 Jul 2007, Konstantin Olchanski, Bug Fix, mscb, musbstd fixed on Linux, MacOS
|
> I commited a few minor changes to musbstd and mscb code...
>
> The basic functions work with the MSCB USB master, but I still need to
|
10 May 2007, Konstantin Olchanski, Info, RHEL5/SL5 success!
|
FWIW, I am running latest 32-bit MIDAS on an AM2 dual core AMD machine under 64-bit SL5. Everything
seems to work correctly. K.O.
|
03 Jul 2007, Ryu Sawada, Info, RHEL5/SL5 success!
|
> P.S. For the record, the compiler produces two sets of warnings:
> - warning: dereferencing type-punned pointer will break strict-aliasing rules
> (I do not understand the meaning of the second warning. type-punned pointer, huh?)
|
07 Jun 2007, Randolf Pohl, Forum, crash when analyzing multiple runs offline
|
Hello,
I am having a problem with the root-based analyzer. It crashes when I try to
|
08 Jun 2007, Stefan Ritt, Forum, crash when analyzing multiple runs offline
|
Unfortunately I don't have time right now to debug the problem, but I could see
roughly what it could be. The analyzer crashes inside CloseRootOutputFile:
|
09 Jun 2007, Randolf Pohl, Forum, crash when analyzing multiple runs offline
|
Hello Stefan,
tree_struct.n_tree keeps counting up from run to run (in book_ttree). This should
|
10 Jun 2007, Stefan Ritt, Forum, crash when analyzing multiple runs offline
|
> tree_struct.n_tree keeps counting up from run to run (in book_ttree). This should
> presumably not be the case, since CloseRootOutputFile() frees the trees at eor().
|
11 Jun 2007, Randolf Pohl, Forum, crash when analyzing multiple runs offline
|
Hello again,
just for the record, in case somebody else runs into the same problem...
|
11 Jun 2007, Stefan Ritt, Forum, crash when analyzing multiple runs offline
|
> I have hunted down "my" segfault problem to the fact that I book histograms not
> in <module>_init, but in <module>_bor. I have to do so, because only in bor do I
> know which histograms to book, as this information comes from the ODB (booking
|
12 Jun 2007, Randolf Pohl, Forum, crash when analyzing multiple runs offline
|
Hi
> So I guess your solution is not a real solution.
|
22 May 2007, Randolf Pohl, Bug Report, analyzer_init called by odb_load
|
Hi,
I wonder why mana.c:odb_load() calls analyzer_init(). This way analyzer_init
|
22 May 2007, Stefan Ritt, Bug Report, analyzer_init called by odb_load
|
The reason to call analyzer_init in odb_load is the following:
Assume you run the analyzer offline, analyzing many files in series. Then assume
|
22 May 2007, Randolf Pohl, Bug Report, analyzer_init called by odb_load
|
Thanks for the quick reply, Stefan.
Please don't change anything in the code unless you find it really important. I guess
|
22 May 2007, Stefan Ritt, Bug Report, analyzer_init called by odb_load
|
> Thanks for the quick reply, Stefan.
>
> Please don't change anything in the code unless you find it really important.
|
21 May 2007, Konstantin Olchanski, Info, mhttpd changes to use /History/Tags data
|
I am slowly commiting the changes to the history code. This installement adds
code to mhttpd to use the /History/Tags data (to be) generated by the mlogger.
|
09 May 2007, Carl Metelko, Forum, Splitting data transfer and control onto different networks
|
Hi,
I'm setting up a system with two networks with the intension of having
control info (odb, alarm) on the 192.168.0.x
|
09 May 2007, Stefan Ritt, Forum, Splitting data transfer and control onto different networks
|
Hi Carl,
so far I did not experience any problems of running odb&alarm on the same link as
|
09 May 2007, Konstantin Olchanski, Forum, Splitting data transfer and control onto different networks
|
> I'm setting up a system with two networks with the intension of having
> control info (odb, alarm) on the 192.168.0.x
> and the frontend readout on 192.168.1.x
|
14 May 2007, Carl Metelko, Forum, Splitting data transfer and control onto different networks
|
Hi,
thanks for the advice. We do have dual core Xeons so we'll try running
most things on the server. Unless it proves to be a problem we'll run all
|
10 May 2007, Konstantin Olchanski, Bug Fix, Fix error reporting from cm_transition()
|
For some time now, error reporting from cm_transition() was broken.
Typical symptom was when starting a run from mhttpd, when a transition error occurred, the run does not
|
10 May 2007, Konstantin Olchanski, Bug Fix, mhttpd: fix broken boolean arrays in "edit on start"
|
For some time now, boolean arrays did not work correctly in "/experiment/edit on start". This is now fixed
in rev 3680. K.O. |
10 Apr 2007, Dan Gastler, Forum, Interrupt code for VME?
|
Hello,
Is there any example code for using midas for interrupt driven data
collection over VME? I am using a Struck SIS3100 PCI/VME setup to connect to my
|
09 Apr 2007, Konstantin Olchanski, Info, move history, elog and alarm functions into separate files
|
As approved by Stefan, I moved the history (hs_xxx), alarm (al_xxx) and elog (el_xxx) functions out of
midas.c into separate files. Commited as revision 3665. This change should be transparent to all users.
K.O. |
02 Apr 2007, Exaos Lee, Bug Fix, SIGABT of "mlogger" and possible fix
|
Version: svn 3658
Code: mlogger.c
Problem: After executation of "mlogger", a "SIGABT" appears.
|
03 Apr 2007, Stefan Ritt, Bug Fix, SIGABT of "mlogger" and possible fix
|
[quote="Exaos Lee"]Version: svn 3658
Code: mlogger.c
Problem: After executation of "mlogger", a "SIGABT" appears.
|
03 Apr 2007, Stefan Ritt, Info, Switch to Visual C++ 2005 under Windows
|
I had to switch to Visual C++ 2005 under Windows. This required the upgrade of
all project files under \midas\nt\ and fixing a few warnings, since the new
compiler is more picky.
|
23 Feb 2007, Konstantin Olchanski, Info, RFC- history system improvements
|
While running the ALPHA experiment at CERN, we stressed and broke the MIDAS history system. We
generated about 0.5 GB of history data per day, and this killed the performance of the history plot
system in mhttpd - we had to wait for *minutes* to look at any plots of any variables.
|
26 Feb 2007, Stefan Ritt, Info, RFC- history system improvements
|
I agree to what you propose. I'm pretty sure you are right in getting a significant improvement in readout speed
of the history system. So far there was no big request for improving the history system, since the performance in
the experiments I was involved in was good. In MEG for example, we have ~20MB of history data per day, and all
|
16 Mar 2007, Konstantin Olchanski, Info, RFC- history system improvements
|
> Let's improve the midas history system...
After implementing 2 prototypes, one aspect of the new design is starting to firm up enough to write it down (I do so in a mock FAQ format).
|
06 Mar 2007, Konstantin Olchanski, Info, commited mhttpd fixes & improvements
|
I commited the mhttpd fixes and improvements to the history code accumulated while running the ALPHA
experiment at CERN:
|
27 Feb 2007, Piotr Zolnierczuk, Forum, event builder scalability
|
Hi there:
I have a question if there's anybody out there running MIDAS with event builder
that assembles events from more that just a few front ends (say on the order of
|
27 Feb 2007, Stefan Ritt, Forum, event builder scalability
|
> Hi there:
> I have a question if there's anybody out there running MIDAS with event builder
> that assembles events from more that just a few front ends (say on the order of
|
27 Feb 2007, John M O'Donnell, Forum, event builder scalability
|
At Los Alamos, we have 15+1 frontends - the 15 between them read about 2 or 3
TB/hour and reduce it to 1 to 5 GB/hour which is then sent to the mevb on a 17th
computer. The 16th frontend handles deadtime issues and scalers (small data rate).
|
27 Feb 2007, Stefan Ritt, Forum, event builder scalability
|
> Our bottle neck is (a) compactPCI backplane reading data from waveform digitizers
> to the frontend CPUs and (b) CPU power on the frontend CPUs to analyzer the waveforms.
|
02 Mar 2007, Kevin Lynch, Forum, event builder scalability
|
> Hi there:
> I have a question if there's anybody out there running MIDAS with event builder
> that assembles events from more that just a few front ends (say on the order of
|
03 Mar 2007, Piotr Zolnierczuk, Forum, event builder scalability
|
Hi all,
thank you for all responses.
|
03 Mar 2007, Stefan Ritt, Forum, event builder scalability
|
> It seems that there's no problem running MIDAS with event builder assembling
> data from ~10 front-ends. How about ~100? One possible solution is to have a
> multi-tiered architecture.
|
26 Feb 2007, Stefan Ritt, Info, Fragmented polled events
|
Fragmented polled events have been implemented in SVN revision 3625.
Fragmentation is a method of breaking down large (>MB) events into smaller
pieces and send them through the shared memory buffers, reassembling them at the
|
26 Feb 2007, Stefan Ritt, Info, Usage of event channel for improved throughput
|
Starting from SVN revision 3642, sending events from the front-end has been revised.
Since long time ago, there is a special TCP socket established between any front-end and the mserver which can be used to bypass the midas RPC layer completely |
23 Feb 2007, Konstantin Olchanski, Info, RFC- support for writing to removable hard disk storage
|
At triumf, we are developing a system to use removable hard drives to store data collected by midas
daq stations. The basic idea is to replace storage on 300 GB DLT tapes with storage on removable
esata, usb2 or firewire 750 GB hard drives.
|
23 Feb 2007, John M O'Donnell, Info, RFC- support for writing to removable hard disk storage
|
We stopped using tapes at Los Alamos a while ago. The model we use is:
write data with mlogger to a local RAID system. This is NFS mounted read only on teh analysis machines, and
|
26 Feb 2007, Stefan Ritt, Info, RFC- support for writing to removable hard disk storage
|
In the MEG experiment, we simply installed 100TB of RAID disks and don't need to change anything ;)
But seriously, you are right that such a system might be beneficial. I propose to extend the current logger code to switch disks. In the current tr_start() |
05 Feb 2007, Fedor Ignatov, Bug Report, segmentation violation of analyzer on a x86_64
|
Hello,
When I connect to analyzer on a x86_64 processor(with Roody),
|
06 Feb 2007, Stefan Ritt, Bug Report, segmentation violation of analyzer on a x86_64
|
> Hello,
>
> When I connect to analyzer on a x86_64 processor(with Roody),
|
06 Feb 2007, Fedor Ignatov, Bug Report, segmentation violation of analyzer on a x86_64
|
Yes right, Problem of a segmentation violation is solved with this patch. Now it works
fine on x86_64.
|
17 Feb 2007, Konstantin Olchanski, Bug Report, segmentation violation of analyzer on a x86_64
|
> Yes right, Problem of a segmentation violation is solved with this patch. Now it works
> fine on x86_64.
|
28 Jul 2006, Shawn Bishop, Bug Report, Latest FC5 Compilation attempt
|
Perhaps some progess? Problem for compilation on FC5 now seems to be in odb.c for revision 3189. Compilation output as follows: --Shawn
[COLOR=red][midas@daruma ~/midas]$ make
|
05 Aug 2006, Ryu Sawada, Bug Report, Latest FC5 Compilation attempt
|
Which version of compiler do you use ?
This is probably bug of GCC. Please refer following page.
|
08 Sep 2006, Ryu Sawada, Bug Report, Latest FC5 Compilation attempt
|
GCC developers fixed this problem in development version of GCC 4.2.
There will not be this problem in GCC 4.2 release version. |
15 Feb 2007, Ryu Sawada, Info, Latest FC5 Compilation attempt
|
On February 13, 2007, gcc 4.1.2 was released.
I checked this version, and it compiles midas successfully,
|
11 Feb 2007, Konstantin Olchanski, Info, svn and "make indent" trashed my svn checkout tree...
|
Fuming, fuming, fuming.
The combination of "make indent" and "svn update" completely trashed my work copy of midas. Half of
|
02 Feb 2007, Exaos Lee, Bug Report, Compiling failed with SVN3562 under Ubuntu 6.10
|
I tried to solve the problem by adding a ";". It was wrong. In fact, the macro "_syscall0(..)" doesn't need the ";".
I searched and found that somebody said "the overall _syscall$magicnumber will disappear". I don't mind whether the "_syscall" disappear or not. I just
want to compile the code and do my job. I deleted the additional ";" and recompiled. The error output is as the attachment [elog:335/1]. |
02 Feb 2007, Exaos Lee, Bug Fix, Problem solved by Re-define _syscall0(...)
|
OK, I searched and found that my kernel doesn't support "_syscall0" any more. So I patched the system.c as the following (from line 954):
[CODE]
|
06 Feb 2007, Stefan Ritt, Bug Fix, Problem solved by Re-define _syscall0(...)
|
[quote="Exaos Lee"]Maybe it's not the perfect way, but it works. :-)[/quote]
I changed it to:
|
05 Feb 2007, Konstantin Olchanski, Bug Report, wrong version in include/midas.h?
|
The present .../include/midas.h contains
[alpha@laddvme06 ~/online]$ grep 1.9.5 /home/alpha/packages/midas/include/*
/home/alpha/packages/midas/include/midas.h:#define MIDAS_VERSION "1.9.5"
|
06 Feb 2007, Stefan Ritt, Bug Report, wrong version in include/midas.h?
|
> The present .../include/midas.h contains
> [alpha@laddvme06 ~/online]$ grep 1.9.5 /home/alpha/packages/midas/include/*
> /home/alpha/packages/midas/include/midas.h:#define MIDAS_VERSION "1.9.5"
|
02 Feb 2007, Exaos Lee, Bug Report, Compiling failed with SVN3562 under Ubuntu 6.10
|
The error log is as the following:
[CODE]
cc -c -g -O2 -Wall -Wuninitialized -Iinclude -Idrivers -I../mxml -Llinux/lib -DINCLUDE_FTPLIB -D_LARGEFILE64_SOURCE -DHAVE_MYSQL -DHAVE_ROOT -pthread |
02 Feb 2007, Exaos Lee, Bug Report, Compiling failed with SVN3562 under Ubuntu 6.10
|
I tried to solve the problem by adding a ";". It was wrong. In fact, the macro "_syscall0(..)" doesn't need the ";".
I searched and found that somebody said "the overall _syscall$magicnumber will disappear". I don't mind whether the "_syscall" disappear or not. I just
want to compile the code and do my job. I deleted the additional ";" and recompiled. The error output is as the attachment [elog:335/1]. |
02 Feb 2007, Exaos Lee, Bug Fix, Problem solved by Re-define _syscall0(...)
|
OK, I searched and found that my kernel doesn't support "_syscall0" any more. So I patched the system.c as the following (from line 954):
[CODE]
|
06 Feb 2007, Stefan Ritt, Bug Fix, Problem solved by Re-define _syscall0(...)
|
[quote="Exaos Lee"]Maybe it's not the perfect way, but it works. :-)[/quote]
I changed it to:
|
30 Jan 2007, Stefan Ritt, Bug Report, Large files under Windows XP
|
Hello,
We have problems analyzing large files under Windows XP. For small file sizes,
|
26 Jan 2007, Carl Metelko, Forum, Front end electronics broadcast data over ethernet, can midas read this in
|
Hi,
the system I'm building will have data read into the frontend nodes
via ethernet (optic). Is this possible?> |
21 Jan 2007, Denis Bilenko, Bug Report, buffer bugs
|
Hello,
We've been using midas and have stumbled upon some inconsistent behaviour:
|
22 Jan 2007, Stefan Ritt, Bug Report, buffer bugs
|
[quote="Denis Bilenko"]1. Blocking calls to midas api aren't usable when client is connected through mserver. This is true at least for bm_receive_event,
but seems to be a more general problem - midas application has call cm_yield within 10 seconds (or whatever timeout is set) to remain alive.
That not the case when RPC is not used.[/quote]
|
23 Jan 2007, Denis Bilenko, Bug Report, buffer bugs
|
1 & 3 - thanks for the fix and the explanation, as for 2 - I've tried consume and produce
and still has a problem:
|
23 Jan 2007, Stefan Ritt, Bug Report, buffer bugs
|
[quote="Denis Bilenko"]1 & 3 - thanks for the fix and the explanation, as for 2 - I've tried consume and produce
and still has a problem[/quote]
|
24 Jan 2007, Stefan Ritt, Bug Report, buffer bugs
|
I tried again and could [U]not[/U] reproduce the problem. Last time I was probably confused by some old mserver.exe executable I had lying around. I updated
to the most recent version (3516) and did a [B]C:\midas> nmake -f makefile.nt[/B]. Last time I was also confused about the low rate, but that was caused
by a mserver.exe executable which was not compiled with optimization. For small event sizes (such as 10 bytes) there is a big difference between optimized |
11 Jan 2007, Steve Hardy, Forum, Shared memory problems
|
Hello,
Just did a fresh install of MIDAS from the SVN repository under CentOS and
|
11 Jan 2007, Stefan Ritt, Forum, Shared memory problems
|
> Hello,
>
> Just did a fresh install of MIDAS from the SVN repository under CentOS and
|
11 Jan 2007, Steve Hardy, Forum, Shared memory problems
|
Thanks for your help. I tried again and it got me back to the initial problem I had.
The frontend will start, and the analyzer starts (complains about there not being a
last.root, but other than that it's fine), and then when starting mlogger, I get:
|
11 Jan 2007, Stefan Ritt, Forum, Shared memory problems
|
That sounds like you mix versions: You have an old executable (maybe your mlogger) which
has been linked against the old midas version, but you create the ODB with the new
odbedit or frontend. The new version complains if it finds an ODB from a previous version
|
27 Dec 2006, Eric-Olivier LE BIGOT, Forum, Access to out_info from mana.c
|
Hello,
Is it possible to access out_info (defined in mana.c) from another program?
|
05 Jan 2007, Eric-Olivier LE BIGOT, Suggestion, Access to out_info from mana.c
|
Would it be relevant to transform out_info into a *non-static* variable of a type
defined by a *named* struct?
Currently, programs that try to access out_info cannot do it anymore; and they
|
08 Jan 2007, Stefan Ritt, Suggestion, Access to out_info from mana.c
|
I changed out_info into a global structure definition ANA_OUTPUT_INFO and put it into
midas.h, so it can be accessed easily from the user analyzer source code.
|
26 Oct 2006, Hans Fynbo, Forum, Setup of Ortec ADC AD413A in MIDAS
|
We are new to MIDAS and try to setup a simple system with one ortec camac ADC
AD413A and the hytec1331 controler. Has anyone used this module in MIDAS we
would be grateful for the corresponding frontend.c etc.
|
16 Oct 2006, Exaos Lee, Bug Fix, Build error with mana.c while using CERNLIB, svn 3366
|
If you use CERNLIB to build hmana.o, you may encounter the following error:
[code]
src/mana.c: In function ‘write_event_hbook’:
|
16 Oct 2006, Stefan Ritt, Bug Fix, Build error with mana.c while using CERNLIB, svn 3366
|
Committed, thanks. |
23 Sep 2006, Konstantin Olchanski, Bug Report, mhttpd elog corruption via double-edit
|
Aparently the mhttpd elog will corrupt the elog files if two (or more?) elog entries are being edited at the
same time. K.O. |
24 Sep 2006, Stefan Ritt, Bug Report, mhttpd elog corruption via double-edit
|
[Quote="K.O.]Aparently the mhttpd elog will corrupt the elog files if two (or more\?) elog entries are being edited at the same time. K.O.[/quote]
That's strange. Since mhttpd is single threaded, there should not be any multi-thread/process conflict there, since the elog files cannot be written simultaneously |
27 Sep 2006, Konstantin Olchanski, Bug Report, mhttpd elog corruption via double-edit
|
[quote="Stefan Ritt"][Quote="K.O.]Aparently the mhttpd elog will corrupt the
elog files if two (or more\?) elog entries are being edited at the same time.
K.O.[/quote]
|
28 Sep 2006, Stefan Ritt, Bug Report, mhttpd elog corruption via double-edit
|
> I do not know how to "properly" fix this bug without changing the indexing
> scheme to something similar to what is used by elogd- message numbers instead of
> file indices. In the existing scheme, message editing also breaks URLs shown in
|
20 Sep 2006, Stefan Ritt, Suggestion, Increase of maximum event size
|
Dear midas users,
The current event size in midas is limited to 512k (MAX_EVENT_SIZE in midas.h). This is mainly due to old (pre 2.2) linux kernels which had only a very |
20 Sep 2006, Stefan Ritt, Suggestion, Increase of maximum event size
|
Since nobody complained so far, I increased MAX_EVENT_SIZE to 2MB. If anybody has problems with this setting, please report. Note that after updating to
SVN revision 3327 it will be necessary to recompile [U]all[/U] midas programs and to delete any old [B]SYSTEM.SHM[/B] or [B].SYSTEM.SHM[/B]. I added some
code which should check for inconsistent SYSTEM.SHM sizes, but I'm not sure if it works everywhere. |
27 Sep 2006, Konstantin Olchanski, Suggestion, Increase of maximum event size
|
> The current event size in midas is limited to 512k (MAX_EVENT_SIZE in midas.h)
Yes, 512 kBytes is rather small. For the T2K prototype TPC DAQ, I built and ran
|
28 Sep 2006, Stefan Ritt, Suggestion, Increase of maximum event size
|
[quote="K.O."]Now, we have per-buffer tunable size (see message
https://ladd00.triumf.ca/elog/Midas/283) and in the long run, I would prefer the
compiled-in limit to go away: already all memory is allocated dynamically and
|
05 Sep 2006, Konstantin Olchanski, Forum, Forums moved from dasdevpc.triumf.ca to ladd00.triumf.ca
|
For the record, the MIDAS (& co) forums have been physically moved from
dasdevpc.triumf.ca to our new server machine ladd00.triumf.ca. This change
should be transparent to all users, but if anything stops working, please let me
|
04 Sep 2006, Konstantin Olchanski, Bug Fix, Fix MIDAS on MacOS 10.4.7
|
I commited minor fixes for building MIDAS on MacOS 10.4.7:
1) there is no linux/unistd.h
2) gcc 4.0.0 does not like "struct { ... } var;" although "struct Foo { ... } var;" is fine
|
01 Sep 2006, pohl, Forum, Hytec 5331 CAMAC kernel 2.6 driver problem
|
Grüezi,
I am new to this list.
|
19 Aug 2006, Konstantin Olchanski, Bug Fix, fixes for minor mhttpd problems
|
I commited fix for minor mhttpd problems (rev 3314):
- for a newly created experiment, the "history" button gave the error [history
panel "" does not exist] (new problem introduced in revision 3150)
|
26 Aug 2006, Konstantin Olchanski, Bug Fix, fixes for minor mhttpd problems
|
> I commited fix for minor mhttpd problems (rev 3314):
> - elog attachments did not work for file names containing character plus (+)
> (attachement URLs should be properly encoded to escape special CGI characters)
|
17 Aug 2006, Konstantin Olchanski, Bug Report, "double" values are truncated
|
The mhttpd ODB displays and mhist truncate values of "float" and "double"
floating point variables to 6 digits. In reality, "float" has 7 significant
digits and "double" has 16. I recommend that db_sprintf() in odb.c be changed to
|
17 Aug 2006, Stefan Ritt, Bug Report, "double" values are truncated
|
> The mhttpd ODB displays and mhist truncate values of "float" and "double"
> floating point variables to 6 digits. In reality, "float" has 7 significant
> digits and "double" has 16. I recommend that db_sprintf() in odb.c be changed to
|
12 Aug 2006, Pierre-André Amaudruz, Release, Midas updates
|
Midas development:
Over the last 2 weeks (Jul26-Aug09), Stefan Ritt has been at Triumf for the "becoming" traditional Midas development 'brainstorming/hackathon' (every second |
07 Aug 2006, Konstantin Olchanski, Bug Fix, Refactoring and rewrite of event buffer code
|
In close cooperation with Stefan, I refactored and rewrote the MIDAS event
buffering code (bm_send_event, bm_flush_cache, bm_receive_event and bm_push_event).
|
09 Aug 2006, Konstantin Olchanski, Bug Fix, Refactoring and rewrite of event buffer code
|
> In close cooperation with Stefan, I refactored and rewrote the MIDAS event
> buffering code (bm_send_event, bm_flush_cache, bm_receive_event and bm_push_event).
>
|
07 Aug 2006, Konstantin Olchanski, Bug Fix, Fix crash in mfe.c
|
Some time ago, I accidentally introduced a bug in mfe.c- if there is data
congestion in the system, mfe.c can exit with the error "bm_flush_cache(ASYNC)
error 209" because it did not expect the valid return value BM_ASYNC_RETURN
|
07 Aug 2006, Stefan Ritt, Info, New multi-threaded midas slow control system
|
[b]Multi-threaded slow control system[/b]
The Midas slow control system has been modified to support multi-threaded slow control front-ends. Each device gets it's own thread in the front-end, which |
02 Aug 2006, Shawn Bishop, Bug Report, MIDAS packaged examples: compilation bug?
|
Hi All,
I switched to Sci. Linux 4.3, from FC5, and was able to get the guts of MIDAS to compile without any difficulties. Now, I have followed the "Quick Start" |
03 Aug 2006, Stefan Ritt, Bug Report, MIDAS packaged examples: compilation bug?
|
[quote="Shawn Bishop"]Anyone have an idea what's going on here?[/quote]
The Makefile contained the outdated target [B]fal[/B], which is a combined frontend/analyzer/logger. You don't need that, so I removed it from the makefile. |
03 Aug 2006, Shawn Bishop, Bug Report, MIDAS packaged examples: compilation bug?
|
[quote="Stefan Ritt"][quote="Shawn Bishop"]Anyone have an idea what's going on here?[/quote]
The Makefile contained the outdated target [B]fal[/B], which is a combined frontend/analyzer/logger. You don't need that, so I removed it from the makefile. |
03 Aug 2006, Shawn Bishop, Bug Report, MIDAS packaged examples: compilation bug?
|
[quote="Stefan Ritt"][quote="Shawn Bishop"]Anyone have an idea what's going on here?[/quote]
The Makefile contained the outdated target [B]fal[/B], which is a combined frontend/analyzer/logger. You don't need that, so I removed it from the makefile. |
01 Aug 2006, Konstantin Olchanski, Bug Fix, User-tunable buffer sizes
|
By default, MIDAS creates shared memory event data buffers of default size
EVENT_BUFFER_SIZE defined in midas.h and until now making of large data buffers
for high data rate or large event size experiments was complicated.
|
31 Jul 2006, Konstantin Olchanski, Bug Fix, Fix user memory corruption in ODB
|
We have been seeing consistent user memory corruption while setting up a new
experiment. This has been traced to a user memory overwrite in ODB db_set_data()
function and this problem is now fixed. This error was triggered by our frontend
|
28 Jul 2006, Konstantin Olchanski, Bug Fix, mhttpd: use more strlcpy(), fix a few bugs
|
While investigating the mhttpd password error with the MacOS Safari browser, I
found that it was caused by an strcpy() buffer overflow. With Stefan's blessing,
I now converted most uses of strcpy() and strcat() to strlcpy() and strlcat().
|
27 Jul 2006, Shawn Bishop, Bug Report, MIDAS revision 3184 bombs on FC5
|
Hi All,
I just did a fresh download of midas (revision 3184) onto a newly setup FC5 box. Compilation bombs. Printout of compiler output as follows:
|
27 Jul 2006, Stefan Ritt, Bug Report, MIDAS revision 3184 bombs on FC5
|
[quote="Shawn Bishop"]include/musbstd.h:29:17: error: usb.h: No such file or directory[/quote]
This indicates that you are missing libusb. If you can find a RPM for libusb, that will solve your problem. But anyhow we should modify the makefile such |
25 Jul 2006, Konstantin Olchanski, Bug Report, mhttpd passwords broken for MacOS 10.4 Safari
|
I observe that the mhttpd passwords do not work correctly for the Safari web browser on MacOS 10.4.7:
Safari 2.0.4 (419.3). For example, I cannot submit elog messages- the system gets stuck on the
"Password" page. The Safari browser in MacOS 10.3 works fine. Mozilla/Firefox works fine. (Also would be
|
24 Jul 2006, Art Olin, Bug Report, Elog attachments
|
Hi. When I attach the file below, Mix+Positronorig.xlx to an elog, and then open it or download it to disk, the file, 060... is severely truncated.
-rw-r--r-- 1 alpha users 17408 Jul 24 11:25 Mix+Positronorig.xls
-rw-r--r-- 1 alpha users 1 Jul 24 11:04 060724_100544_Mix+Positron Cabling 20060723.xls
|
24 Jul 2006, Stefan Ritt, Bug Report, Elog attachments
|
[quote="Art Olin"]Hi. When I attach the file below, Mix+Positronorig.xlx to an elog, and then open it or download it to disk, the file, 060... is severely
truncated.
-rw-r--r-- 1 alpha users 17408 Jul 24 11:25 Mix+Positronorig.xls
|
23 Jul 2006, Art Olin, Forum, File output for histories
|
The ALPHA experiment at CERN has recently adopted MIDAS, and the history data in numerical form is needed by the collaboration. Furthermore the DAQ is running
under linux and most collaborators are windows or mac users, so it should be available in a platform independent way.
|
23 Jul 2006, Stefan Ritt, Forum, File output for histories
|
[quote="Art Olin"]Basically we need the output from the mhist code. The most convenient, and possibly easiest implementation would be to select required
data (ID, variable, time range) in the midas history display, click a button requesting file output and input a file name. One might also want to specify
the interval time required.[/quote]
|
23 Jul 2006, Art Olin, Forum, File output for histories
|
Hi, Stefan,
Using mhist is how I'll start, but I'm getting substantial resistance. It's not so much the command line that's the problem. First I have to install an |
24 Jul 2006, Sergio Ballestrero, Forum, File output for histories
|
Hi Art,
you can make the process somewhat less painful by using the Plink (from PuTTY) to run mhist as a remote command, piping the output to a local file:
http://the.earth.li/~sgtatham/putty/0.58/htmldoc/Chapter7.html#plink-batch
|
11 Jul 2006, Razvan Stefan Gornea, Forum, Tundra Universe CA91C042
|
I am not using Midas but I need some help from somebody experienced with VME access using the Tundra Universe, so I thought here I have a chance ...
I have a GE Fanuc 7700 and use the vme_universe driver (ver. 3.3). In the past I programed for a DAQ board using A24/D16. Now I have a new board using |
13 Jun 2006, Stefan Ritt, Info, Scheduler changed for slow control equipment
|
The schedule in mfe.c is used both for "normal" front-ends and for "slow-control" front-ends. Unfortunately it was only optimized for the first class. This
lead to the fact that the slow control equipment was read out at different speed depending if the run is started or not. Furthermore, the maximum readout
speed was somehow limited. This has been changed in the current version of mfe.c (SVN revision 3146). There are now two ways to control the readout speed |
13 Jun 2006, Stefan Ritt, Info, ZLIB dependency modified
|
Due to recent problems with the ROME analyzer having zlib.h both in the
system and in the midas tree it has been decided to change the zlib policy in midas. By default, zlib support is not included in the midas analyzer. If
one want it (but I guess only very few experiments need that), one can do a
|
08 Jun 2006, Konstantin Olchanski, Bug Fix, fix compilation of musbstd.h, add it back to libmidas
|
I fixed the compilation of musbstd.h (it required -DHAVE_LIBUSB on Linux, but
nothing knew about defining it) and put musbstd.o back into libmidas (USB
support should be part of the standard base midas library). K.O. |
09 Jun 2006, Stefan Ritt, Bug Fix, fix compilation of musbstd.h, add it back to libmidas
|
> I fixed the compilation of musbstd.h (it required -DHAVE_LIBUSB on Linux, but
> nothing knew about defining it) and put musbstd.o back into libmidas (USB
> support should be part of the standard base midas library). K.O.
|
08 Jun 2006, Konstantin Olchanski, Bug Report, Midas does not build on Fedora 5
|
Fresh svn checkout of MIDAS does not build on Fedora 5, I get this error:
cc -c -g -O2 -Wall -Wuninitialized -Iinclude -Idrivers -I../mxml -Llinux/lib
|
08 Jun 2006, Konstantin Olchanski, Bug Fix, updated vmicvme driver
|
I commited the latest VMIC VME driver we use at TRIUMF. It has working support
for D32 and D64 DMA and can move data from the SIS3820 multiscaler through the
MIDAS frontend at > 30 Mbytes/sec on our VMICVME-7805 machines. The actual DMA
|
31 May 2006, Konstantin Olchanski, Bug Fix, mhist could not look at array data
|
When using mhist interactively, I could not look at array data:
1) if the array is the only variable, the question "what array index to use?"
was not asked, zero was assumed,
|
30 May 2006, Konstantin Olchanski, Bug Report, badness with vxworks/ppc
|
It appears that the latest version of MIDAS malfunctions on PowerPC/VxWorks
machines, below are two problem reports. As reported, previous versions of MIDAS
work fine, I guess that reduces the probability of it being buggy user code. At
|
25 May 2006, Stefan Ritt, Bug Fix, Fixed compiler warnings with gcc 3.4.4
|
I fixed a couple of compiler warning which came up with the new gcc 3.4.4. Seems like the compiler gets more and more picky. There a still warning left
in ybos.c and in mcnaf.c, which I leave to the original author ;) |
25 May 2006, Pierre-Andre Amaudruz, Bug Fix, Fixed compiler warnings with gcc 3.4.4
|
[quote="Stefan Ritt"]I fixed a couple of compiler warning which came up with the new gcc 3.4.4. Seems like the compiler gets more and more picky. There
a still warning left in ybos.c and in mcnaf.c, which I leave to the original author ;)[/quote]
|
25 May 2006, Konstantin Olchanski, Bug Fix, fix crash in xml odb load
|
There is a crash in odbedit when loading some xml odb files: a missing check for NULL pointer when
loading an array of strings and one of the array elements is blank. This check is present when loading
other string values. Here is the diff:
|
18 May 2006, Stefan Ritt, Bug Fix, Fixed problems with reload of custom pages
|
We had a problem with custom pages and reloading of them. If they contain an ODB field which is editable, one can change the ODB value through the custom
page. The URL then contains a "?cmd=Set&value=x&index=x" section, which stays in the browser's address bar after the ODB value has been updated. If the
value changes later by some other means in the ODB, and one presses "reload" in the browser, the above URL gets executed again and the value gets changed |
18 May 2006, Konstantin Olchanski, Bug Fix, removed a few "//" comments to fix compilation on VxWorks
|
Our VxWorks C compiler (gcc-2.8-something) does not like the "//" comments. Luckily, on VxWorks, we
only compile a small subset of midas, so there is no point in banning all "//" comments. But I did have to
convert a couple of them to /* commens */ in odb.c to make it compile. Changes to odb.c commited. K.O. |
11 May 2006, Konstantin Olchanski, Bug Report, MIDAS and Fedora 4
|
Fellow Midasites- we are receiving reports that current Midas sources do not compile on Fedora 4 (and 5?)
with errors "invalid lvalue in assignment". It looks like the new compilers reject what looks to my eye like
perfectly valid C code that we have been writing since the beginning of C. Any suggestions on the best fix?
|
07 May 2006, Konstantin Olchanski, Bug Report, cm_register_transition gyrations
|
I am debugging a Rome-based DAQ system setup by Pierre A. (the system does not
work because of bugs in Rome).
|
08 May 2006, Stefan Ritt, Bug Report, cm_register_transition gyrations
|
> I am debugging a Rome-based DAQ system setup by Pierre A. (the system does not
> work because of bugs in Rome).
>
|
07 May 2006, Konstantin Olchanski, Bug Fix, Update & add VME drivers
|
I commited fixes for a few minor compilation errors in the VME drivers
(vmicvme.c, etc)
I also added new drivers for the v513 latch and v560 scaler that I wrote for
|
23 Mar 2006, Sergio Ballestrero, Info, svn@savannah.psi.ch down ?
|
Hi,
I was trying to update the checkout of Midas, but it looks like something is not
working - maybe a component of the Savannah system:
|
26 Mar 2006, Stefan Ritt, Info, svn@savannah.psi.ch down ?
|
> Hi,
> I was trying to update the checkout of Midas, but it looks like something is not
> working - maybe a component of the Savannah system:
|
27 Mar 2006, Sergio Ballestrero, Info, svn@savannah.psi.ch down ?
|
> I just tried now and it seemed to work fine. Do you still have the problem?
>
> - Stefan
|
22 Dec 2005, Konstantin Olchanski, Info, How do I do custom event building?
|
It turns out the the standard event builder fragment matching algorithm cannot
be used in my TPC application. I have two TPC-USB interfaces, which lack any
"busy" or synchronization logic. I send the hardware trigger into both
|
23 Dec 2005, Stefan Ritt, Info, How do I do custom event building?
|
> It turns out the the standard event builder fragment matching algorithm cannot
> be used in my TPC application. I have two TPC-USB interfaces, which lack any
> "busy" or synchronization logic. I send the hardware trigger into both
|
03 Jan 2006, John O'Donnell, Info, How do I do custom event building?
|
At DANCE we have a similar issue. We are still doing "software
handshaking" between multiple frontends (15 which read data, and 16th
with direct accessto the trigger logic), and we apply a time stamp
|
28 Dec 2005, Konstantin Olchanski, Suggestion, Handling multiple identical USB devices
|
When I wrote the musbstd.h "open" method, I kind of punted on the problem of
handling multiple identical USB devices. Instead of a real solution, I added an
"instance" parameter, which allows one to "open" the "first", "second", etc USB
|
03 Jan 2006, Stefan Ritt, Suggestion, Handling multiple identical USB devices
|
> Any thoughts?
I got an idea of how to solve this problem in an OS-independent manner. The USB
|
30 Dec 2005, Konstantin Olchanski, Bug Report, mhttpd "edit on start" broken for arrays
|
If a variable under "/experiment/edit on start/" is an array, it is correctly
offered for editing on the "start run page", but then all elements in the array
end up set to the value of the first element.
|
03 Jan 2006, Stefan Ritt, Bug Report, mhttpd "edit on start" broken for arrays
|
> If a variable under "/experiment/edit on start/" is an array, it is correctly
> offered for editing on the "start run page", but then all elements in the array
> end up set to the value of the first element.
|
18 Aug 2005, Konstantin Olchanski, Info, minor changes to run transition code
|
Minor changes to run transitions code:
- improve debug messages
- fail transition if cannot connect to one of the clients
|
23 Dec 2005, Konstantin Olchanski, Bug Report, minor changes to run transition code
|
> Minor changes to run transitions code:
> - fail transition if cannot connect to one of the clients
|
24 Dec 2005, Stefan Ritt, Bug Report, minor changes to run transition code
|
> I am now considering allowing the run to end even if some clients cannot be
> contacted. The begin, pause and resume transitions would continue to fail if
> clients cannot be contacted.
|
22 Dec 2005, Konstantin Olchanski, Info, midas max event size?
|
My TPC events are fairly large: 18 FEC cards * 128 channels per card * 2 Kbytes
per channel = about 4 Mbytes. In my
frontend, when I request this event size, MIDAS complaints (in mfe.c) that it is
|
23 Dec 2005, Stefan Ritt, Info, midas max event size?
|
> My TPC events are fairly large: 18 FEC cards * 128 channels per card * 2 Kbytes
> per channel = about 4 Mbytes. In my
> frontend, when I request this event size, MIDAS complaints (in mfe.c) that it is
|
14 Dec 2005, Konstantin Olchanski, Bug Report, misc problems
|
I would like to document a few problems I ran into while setting up a new
experiment (two USB interfaces to Alice TPC electronics, plus maybe a USB
interface to CAMAC). I am using a midas cvs checkout from last October, so I am
|
02 Dec 2005, Greg Hackman, Info, MIDAS on Cygwin
|
If you want to run MIDAS on Cygwin, make sure you have cygserver running. First set a Windows system environment variable CYGWIN=server. This is best
done through the Control Panel -> System -> Advanced -> Environment Variables. Then run /usr/bin/cygserver-config in a Cygwin console window. Then reboot.
After that your MIDAS executables should run properly.
|
23 Nov 2005, Stefan Ritt, Bug Fix, Endian swapping in mana.c
|
It was reported that following code in mana.c :
[code]
|
02 Nov 2005, Stefan Ritt, Suggestion, Where to put drivers?
|
Hi,
I would like to raise the question where to put the midas drivers.
|
06 Nov 2005, Pierre-Andre Amaudruz, Suggestion, Where to put drivers?
|
[quote="Stefan Ritt"]Hi,
I would like to raise the question where to put the midas drivers.
|
06 Nov 2005, Stefan Ritt, Suggestion, Where to put drivers?
|
[quote="Stefan Ritt"]We have both the example experiment and the MSCB Makefile which both expect to find the midas drivers under [b]$MIDASSYS/drivers/camac[/b]
or [b]$MIDASSYS/drivers/usb[/b]. The documentation does not explicitely mention to define MIDASSYS as [b]/usr/local[/b], but some people do it. That however
requires to put all drivers then under [b]/usr/local/drivers[/b], which is not the case in the current Makefile for midas. Do you think that we should |
23 Aug 2005, Konstantin Olchanski, Info, new mvmestd api
|
For some time now, we have been thinking of updating the programming interface
for the VME bus interface drivers- mvmestd.h.
|
01 Sep 2005, Stefan Ritt, Info, new mvmestd api
|
Good that you brought up the MIDAS VME API again, since this is still not complete, but
has to be completed soon.
|
01 Sep 2005, Stefan Ritt, Suggestion, new mvmestd api
|
Anothe idea which comes to my mind, we could make it kind of object oriented, like
typedef struct {
|
10 Sep 2005, Konstantin Olchanski, Info, new mvmestd api
|
> Good that you brought up the MIDAS VME API again, since this is still not complete, but
> has to be completed soon.
|
11 Sep 2005, Stefan Ritt, Info, new mvmestd api
|
> Right, but I can only complete the parts that I thought of and for which I already have
> code. This leaves out support for DMA (read: any block transfers) and interrupts.
|
02 Nov 2005, I. K. arapkorir, Info, new mvmestd api
|
I manage to access some vme modules with the older vmicvme interface and seemed
confused with the
new interface as the sample code provided does not have a specific test sample.
|
02 Nov 2005, Pierre-Andre Amaudruz, Info, new mvmestd api
|
> I manage to access some vme modules with the older vmicvme interface and seemed
> confused with the
> new interface as the sample code provided does not have a specific test sample.
|
17 Oct 2005, Exaos Lee, Bug Fix, "make install" error under MacOS X
|
Under MacOS X, "make install" will cours an error like this:
[code]
...
|
10 Oct 2005, Stefan Ritt, Info, Bus drivers moved in repository
|
The previous midas/drivers/bus dirctory contains both midas slow control bus drivers plus vme & fastbus & camac drivers. I separated them now in different
directories:
|
15 Oct 2005, Exaos Lee, Info, Bus drivers moved in repository
|
The Makefile should be modified too. Please see the diff below:
[code]
diff Makefile Makefile.modify
|
07 Oct 2005, Stefan Ritt, Info, MIDAS moved from CVS to Subversion
|
Dear Midas users,
I have moved midas from CVS to Subversion today. There were many reasons for doing so, which I don't want to explain in detail here. To use the new repository, |
03 Oct 2005, Stefan Ritt, Info, Revised MVMESTD API
|
Dear MIDAS users and developers,
The "Midas VME Standard API" has been revised. We tried to incorporate all
|
19 Sep 2005, Konstantin Olchanski, Info, Added driver for the Wiener CC-USB CAMAC interface
|
Commited to CVS is the preliminary driver for the Wiener CC-USB CAMAC interface.
The driver implements all the mcstd.h camac access functions, except for those
not supported by hardware (8-bit operations, interrupts) and a few esoteric
|
18 Aug 2005, Konstantin Olchanski, Bug Fix, fix race condition between clients on run start/stop, pause/resume
|
It turns out that the new priority sequencing of run state transitions had a
flaw: the frontends, the analyzer and the logger all registered at priority 500
and were invoked in essentially a random order. For example the frontend could
|
01 Sep 2005, Stefan Ritt, Bug Fix, fix race condition between clients on run start/stop, pause/resume
|
> It turns out that the new priority sequencing of run state transitions had a
> flaw: the frontends, the analyzer and the logger all registered at priority 500
> and were invoked in essentially a random order. For example the frontend could
|
18 Aug 2005, Konstantin Olchanski, Info, midas Makefile changes
|
Minor Makefile changes:
- add "-m32" gcc flag to force 32-bit compilation on 64-bit Linux.
- do not link ybos.o into lazylogger and mdump.
|
02 Aug 2005, Konstantin Olchanski, Bug Fix, fix odb corruption when running analzer for the first time
|
I have been plagued by ODB corruption when I run the analyzer for the first time
after setting up the new experiment. Some time ago, I traced this to
mana.c::book_ttree() and now I found and fixed the bug, fix now commited to
|
05 May 2005, Konstantin Olchanski, Bug Fix, fix: minor bit rot in the example experiment
|
I fixed some minor bit rot in the example experiment: a few minor Makefile
problems, make the analyzer use the current histogram creation macros, etc. I
also added startup and shutdown scripts. These will be documented as we work
|
02 May 2005, Stefan Ritt, Info, strlcpy/strlcat moved into separate file
|
I had to move strlcpy & strlcat into a separate file "strlcpy.c". A header file
"strlcpy.h" was added as well. This way one can omit the old HAVE_STRLCPY which
made life hard. The windows and linux makefiles were adjusted accordingly, but
|
21 Apr 2005, Konstantin Olchanski, Suggestion, Correct MIDASSYS setting?
|
Current MIDAS versions nag me about setting the env.variable MIDASSYS to the
"midas installation directory", but I do not have one, so what should I set
MIDASSYS to? I checkout MIDAS from cvs into /home/olchansk/daq/midas, build it
|
22 Apr 2005, Stefan Ritt, Suggestion, Correct MIDASSYS setting?
|
> Current MIDAS versions nag me about setting the env.variable MIDASSYS to the
> "midas installation directory", but I do not have one, so what should I set
> MIDASSYS to? I checkout MIDAS from cvs into /home/olchansk/daq/midas, build it
|
05 Apr 2005, Donald Arseneau, Bug Report, pointers and segfault in yb_any_file_rclose
|
I'm getting segfaults in yb_any_file_rclose (closing a file opened with
yb_any_file_ropen with type MIDAS).
|
21 Apr 2005, Konstantin Olchanski, Bug Report, pointers and segfault in yb_any_file_rclose
|
> I'm getting segfaults in yb_any_file_rclose (closing a file opened with
> yb_any_file_ropen with type MIDAS).
>
|
24 Mar 2005, Stefan Ritt, Info, ODB dump format switched to XML
|
Dear midas users,
I have changed the ODB dump format to XML. As you might know, the logger writes
|
29 Mar 2005, Stefan Ritt, Info, ODB dump format switched to XML
|
> All the XML functionality is implemented in the new mxml.c/h library, which has
> been added to the distribution, and which can be used in other projects as well
> (XML configuration of ROODY?). It has already been successfully implemented in
|
31 Mar 2005, Konstantin Olchanski, Info, ODB dump format switched to XML
|
> > All the XML functionality is implemented in the new mxml.c/h library
>
> mxml.c/h ... I separated it's CVS tree.
|
31 Mar 2005, Stefan Ritt, Info, ODB dump format switched to XML
|
> Looks like the midas mxml Makefile bits did not make it to CVS. Current Makefile
> revision 1.67 does not have them and building midas from cvs sources fails because it
> does not find mxml.h and mxml.c
|
04 Mar 2005, Stefan Ritt, Info, Real-Time 2005 Conference in Stockholm
|
Dear Midas users,
may I kindly invite you present your work at the Real-Time 2005 Conference in
|
25 Feb 2005, Konstantin Olchanski, Bug Fix, fixed: double free in FORMAT_MIDAS ybos.c causing lazylogger crashes
|
We stumbled upon and fixed a "double free" bug in src/ybos.c causing crashes in
lazylogger writing .mid files in the FORMAT_MIDAS format (why does it use
ybos.c? Pierre says- for generic file i/o). Why this code had ever worked before
|
25 Jan 2005, John M O'Donnell, Bug Report, histograms not saved in replay mode
|
is there a reason why histograms are not saved after a replay?
/* save histos if requested */
|
26 Jan 2005, Stefan Ritt, Bug Report, histograms not saved in replay mode
|
> is there a reason why histograms are not saved after a replay?
>
> /* save histos if requested */
|
20 Jan 2005, Konstantin Olchanski, Suggestion, HOWTO create ROOT objects in the MIDAS analyzer
|
With recent changes to mana.c, creation of user ROOT objects in the MIDAS
analyser has changed. Here is the new example code for creating ROOT objects
|
25 Jan 2005, John M O'Donnell, Suggestion, HOWTO create ROOT objects in the MIDAS analyzer
|
> (preliminary, untested. I will keep this updated as I get testing feedback)
>
> With recent changes to mana.c, creation of user ROOT objects in the MIDAS
|
20 Jan 2005, Konstantin Olchanski, Bug Report, Persistency problem with h1_book() & co
|
The current h1_book() macros (and the previous example analyzer code) have an
odd persistency problem: for example, the user wants to change some histogram
limits, edits the h1_book() calls, rebuilds and restarts the analyzer, starts a
|
21 Jan 2005, John M O'Donnell, Bug Report, Persistency problem with h1_book() & co
|
> The current h1_book() macros (and the previous example analyzer code) have an
> odd persistency problem: for example, the user wants to change some histogram
> limits, edits the h1_book() calls, rebuilds and restarts the analyzer, starts a
|
21 Jan 2005, Stefan Ritt, Bug Report, Persistency problem with h1_book() & co
|
> I can't get onto cvs@midas.psi.ch right now
> (cvs update
> cvs@midas.psi.ch's password:
|
25 Jan 2005, Stefan Ritt, Bug Report, Persistency problem with h1_book() & co
|
> > I can't get onto cvs@midas.psi.ch right now
> > (cvs update
> > cvs@midas.psi.ch's password:
|
25 Jan 2005, John M O'Donnell, Bug Report, Persistency problem with h1_book() & co
|
So now that cvs is reachable again I have confirmed that
the code segment
|
22 Dec 2004, Stefan Ritt, Suggestion, What to do with invalid data in the history system?
|
Dealing with the NaN's in the history system in the past week, a question came
up at PSI about how to deal with invalid history data.
|
23 Dec 2004, Stefan Ritt, Suggestion, What to do with invalid data in the history system?
|
I preliminary implemented NaNs into the history system. It works such that if a
device driver returns a read error status, the class driver writes a NaN
(Not-a-Number) into the corresponding variable via the new function ss_nan(). The
|
16 Dec 2004, Jan Wouters, Forum, cm_msg
|
Could someone please explain to me how cm_msg, cm_msg1, etc. all work. The
documentation is very terse.
|
22 Dec 2004, Stefan Ritt, Forum, cm_msg
|
> Could someone please explain to me how cm_msg, cm_msg1, etc. all work. The
> documentation is very terse.
>
|
14 Dec 2004, Konstantin Olchanski, Info, Commit local TWIST modifications
|
I am commiting MIDAS modification accumulated during the last few months of running TWIST:
1) system.c::ss_shm_open() fail if trying to map a file that is smaller than we expect.
2) midas.c::bm_lock_buffer(), el_submit(), el_delete_message(): do not wait for mutexes forever, use a 5
|
14 Dec 2004, Konstantin Olchanski, Info, Commit local TWIST modifications
|
> I am commiting MIDAS modification accumulated during the last few months of running TWIST:
More:
|
14 Dec 2004, Konstantin Olchanski, Info, mhttpd: Commit local TWIST modifications
|
> > I am commiting MIDAS modification accumulated...
mhttpd changes:
|
15 Dec 2004, Stefan Ritt, Info, Commit local TWIST modifications
|
> - system.c: do not chdir("/") in ss_daemon_init()- it prevents us from ever
> getting core dumps from midas daemons. The old behaviour is trivially
> restored by "cd /" before starting the daemon; or by "limit coredumpsize 0".
|
16 Dec 2004, Konstantin Olchanski, Info, "cd /" in ss_daemon_init(), was- Commit local TWIST modifications
|
> > - system.c: do not chdir("/") in ss_daemon_init()- it prevents us from ever
> > getting core dumps from midas daemons.
>
|
15 Dec 2004, , Forum, Where's the definition of "H1_BOOK()"
|
When i compile the experiment example of 1.9.5 the problem happened:
adccalib.c: In function `INT adc_calib_init()':
|
15 Dec 2004, Pierre-Andre Amaudruz, Forum, Where's the definition of "H1_BOOK()"
|
> When i compile the experiment example of 1.9.5 the problem happened:
>
> adccalib.c: In function `INT adc_calib_init()':
|
14 Dec 2004, Jan Wouters, Forum, Frontend index
|
What is the api call to determine the index of the frontend when specifying the
-i parameter during execution of the frontend? |
15 Dec 2004, Stefan Ritt, Forum, Frontend index
|
> What is the api call to determine the index of the frontend when specifying the
> -i parameter during execution of the frontend?
|
25 Nov 2004, chris pearson, Forum, use of assert in mhttpd
|
We've had mhttpd aborting regularly since upgrading from midas-1.9.3. This
happens during elog queries, and is due to an elog file that was incorrectly
modified by hand. The modification to the file occurred 6 months ago.
|
14 Dec 2004, Konstantin Olchanski, Forum, use of assert in mhttpd
|
> We've had mhttpd aborting regularly since upgrading from midas-1.9.3. This
> happens during elog queries, and is due to an elog file that was incorrectly
> modified by hand.
|
24 Nov 2004, chris pearson, Info, midas on 64bit opteron
|
Midas, version 1.9.5 of 7th October, was installed, with a few changes, on a
64 bit opteron computer, running linux. For this processor, as for the alpha
processor, long integers and addresses are 64 bits. We added a new flag in the
|
09 Nov 2004, Pierre-Andre Amaudruz, Bug Fix, New transition scheme
|
Problem:
If cm_set_transition_sequence() is used for changing the sequence number, the
command odbedit> start/stop/resume/pause -v report the propre sequence but the
|
04 Nov 2004, Jan Wouters, Forum, Frontend code and the ODB
|
I would like to know whether all parameters used by the frontend code have to be in the "Experiment/
Run Parameters" section. This section can become big and difficult to maintain, because it is one single
big section of experim.h (EXP_PARAM_DEFINED). I have parameters the various frontends read at the
|
04 Nov 2004, Stefan Ritt, Forum, Frontend code and the ODB
|
Hi Jan,
I usually keep under /Experiment/Run Parameters only those settings which are kind of "global" and thus of
|
02 Nov 2004, Renee Poutissou, Info, Event Builder info in mhttpd Status page
|
Information about the Event Builder statistics has been removed from the
Status page in mhttpd. I heard from Pierre that this information might
be redundant when using the new Event Builder format???
|
22 Oct 2004, Konstantin Olchanski, Bug Fix, mhttpd message colouring
|
I commited a fix to mhttpd logic that decides which messages should be shown in
"red" colour- before, any message with square brackets and colons would be
highlighted in red. Now only messages matching the pattern [...:...] are
|
13 Oct 2004, Konstantin Olchanski, Bug Report, TWIST upgrade bombed...
|
The upgrade of TWIST to the latest midas has bombed- we see mevb and mlogger
crashes during shared memory data buffer accesses. I am looking into it and I
will add information as I figure things out. K.O. |
13 Oct 2004, Pierre-Andre Amaudruz, Bug Report, TWIST upgrade bombed...
|
> The upgrade of TWIST to the latest midas has bombed- we see mevb and mlogger
> crashes during shared memory data buffer accesses. I am looking into it and I
> will add information as I figure things out. K.O.
|
13 Oct 2004, Konstantin Olchanski, Bug Report, TWIST upgrade bombed...
|
> > The upgrade of TWIST to the latest midas has bombed- we see mevb and mlogger
> > crashes during shared memory data buffer accesses. I am looking into it and I
> > will add information as I figure things out. K.O.
|
13 Oct 2004, Konstantin Olchanski, Bug Report, TWIST upgrade bombed...
|
> The upgrade of TWIST to the latest midas has bombed- we see mevb and mlogger
> crashes during shared memory data buffer accesses. I am looking into it and I
> will add information as I figure things out. K.O.
|
14 Oct 2004, Stefan Ritt, Bug Report, TWIST upgrade bombed...
|
Agree.
Once you did the modification, please check following situation: Create a fresh
|
14 Oct 2004, Konstantin Olchanski, Bug Report, TWIST upgrade bombed...
|
> The upgrade of TWIST to the latest midas has bombed- we see mevb and mlogger
> crashes during shared memory data buffer accesses. I am looking into it and I
> will add information as I figure things out. K.O.
|
13 Oct 2004, Konstantin Olchanski, Suggestion, No al_clear_alarm()?
|
We have al_trigger_alarm(), but no matching al_clear_alarm(), and I need it to
clear my alarm once the alarm condition no longer exists. Any objections if I
add this function? K.O. |
13 Oct 2004, Stefan Ritt, Suggestion, No al_clear_alarm()?
|
> We have al_trigger_alarm(), but no matching al_clear_alarm(), and I need it to
> clear my alarm once the alarm condition no longer exists. Any objections if I
> add this function? K.O.
|
13 Oct 2004, Konstantin Olchanski, Suggestion, No al_clear_alarm()?
|
> > We have al_trigger_alarm(), but no matching al_clear_alarm(), and I need it to
> > clear my alarm once the alarm condition no longer exists. Any objections if I
> > add this function? K.O.
|
13 Oct 2004, Konstantin Olchanski, Bug Report, silly odbedit "rename Display xxx/yyy"
|
odbedit command "rename Display xxx/yyy" creates a key named "xxx/yyy" (yes,
with a slash in the name) and this key cannot be deleted or renamed...
K.O. |
13 Oct 2004, Stefan Ritt, Bug Report, silly odbedit "rename Display xxx/yyy"
|
> odbedit command "rename Display xxx/yyy" creates a key named "xxx/yyy" (yes,
> with a slash in the name) and this key cannot be deleted or renamed...
> K.O.
|
13 Oct 2004, Konstantin Olchanski, Bug Report, db_paste: found string exceeding MAX_STRING_LENGTH
|
I am updating TWIST to the latest MIDAS and when I load a saved .odb file, I get
these messages. Their text ought to say where and what strings it does not like.
K.O.
|
13 Oct 2004, Stefan Ritt, Bug Report, db_paste: found string exceeding MAX_STRING_LENGTH
|
Can you attach
/twist/data_onl/current/run17548.odb
|
29 Sep 2004, Stefan Ritt, Info, Increased number of clients in midas.h, important!
|
Due to some request several limitations like the maximal number of clients to the ODB have
been increased in midas.h and committed to CVS. It is important to note that clients compiled
with the old limits cannot coexist with clients compiled with the new limits. You will get
|
03 Oct 2004, Konstantin Olchanski, Info, Increased number of clients in midas.h, important!
|
> It is important to note that clients compiled
> with the old limits cannot coexist with clients compiled with the new limits. You will get
> ODB corruption notifications and everything will crash, and you wonder where this comes from.
|
03 Oct 2004, Stefan Ritt, Info, Increased number of clients in midas.h, important!
|
> Stefan, to avoid confusion from crashes caused by incompatible ODBs would it be possible to add a "version number" to ODB,
together with a check and an error message
> saying "oops... incompatible ODB, please rebuild your programs"? We tend to have different versions of midas floating around and
|
03 Oct 2004, Konstantin Olchanski, Info, Increased number of clients in midas.h, important!
|
> However, we are planning to make a new release 1.9.5 soon (next week), so can can people tell not to "mix" 1.9.5 with pre-1.9.5 programs.
Right. We cannot fix the past, but we should fix the future. BTW, "do not mix versions" is hard to enforce and mismatches did, do and
|
04 Oct 2004, Stefan Ritt, Info, Increased number of clients in midas.h, important!
|
> Right. We cannot fix the past, but we should fix the future. BTW, "do not mix versions" is hard to enforce and mismatches did, do and
> will happen
|
08 Oct 2004, chris pearson, Info, Increased number of clients in midas.h, important!
|
> > For one thing, looking at a given midas-using executable, how do I tell what version of midas it has inside?
>
|
08 Oct 2004, Konstantin Olchanski, Info, Increased number of clients in midas.h, important!
|
> A lot of programs have a commandline option, such as "--version", where they return the program version number then exit. As well as the
> program version number, the version number of the midas library it's linked with could also be returned (There can be more than one
> libmidas.so on a system and this would show which one was currently being linked)
|
03 Oct 2004, Konstantin Olchanski, Info, mscb usb support for macosx
|
After a felicitous confuence of stellar bodies (Stefan, myself, some mscb hardware
and a mac laptop all in the same room for a few days), I wrote some MacOSX
code to support the MSCB-USB dongle using the native IoKit USB API. During testing,
|
03 Oct 2004, Stefan Ritt, Info, Introduction of new transition scheme
|
A new transition scheme has been implemented and committed. Previously, one had the
possibility to register for PRE/POST transitions, which was necessary in order to first
stop the frontends, then stop the logger to close the data file. While this scheme
|
28 Sep 2004, Piotr Zolnierczuk, Forum, MIDAS/MVME167/Linux
|
Hi,
has anyone tried runnning midas frontend on a Linux running
on a Motorola MVME167 motorola embedded CPU?
|
21 Sep 2004, Konstantin Olchanski, , ODB-EPICS gateway
|
At TRIUMF, we use several different versions of code to interface MIDAS and
EPICS (http://www.aps.anl.gov/epics). Now that we more or less understand
our needs, I propose this design for a simplified "EPICS" MIDAS frontend. I
|
21 Sep 2004, Stefan Ritt, , ODB-EPICS gateway
|
The easiest way to achieve this is to write a new class driver, probably derived
from the multi.c class driver. One has just to rename all "output" with "write"
(or better "ODB2EPICS") and all "input" with "EPICS2ODB". The multi class driver
|
31 Aug 2004, Konstantin Olchanski, , midas odb locking
|
One of our experiments is suffering from periodic ODB corruption and I
suspected that there might be a problem with ODB locking. In the last few
days, I finally had time to read the ODB locking code, to write a little
|
15 Sep 2004, Konstantin Olchanski, , midas odb locking
|
After some discussion with Stefan-
|
16 Sep 2004, Stefan Ritt, , midas odb locking
|
> I will add a timeout of 10 minutes, then shutdown the ODB client with an error message.
I added a timeout handling to db_lock_database. It was already present in
|
31 Aug 2004, Konstantin Olchanski, , mlogger crash if using mserver.
|
Our users keep making a simple mistake- they set MIDAS_SERVER_HOST in their
environement. Most midas programs do not mind this- they go through the
mserver, inefficient but benign- except for the mlogger, which dumps core
|
07 Sep 2004, Stefan Ritt, , mlogger crash if using mserver.
|
I trapped myself into that problem recently so it's the right time to fix it (;-).
We have two options:
|
15 Sep 2004, Konstantin Olchanski, , mlogger crash if using mserver.
|
> I trapped myself into that problem recently so it's the right time to fix it (;-).
> We have two options:
> a) Make the logger work remotely, even if it's suboptimal and
|
09 Jul 2004, Stefan Ritt, , Introduction of environment variable MIDASSYS
|
Starting from midas version 1.9.4 on, the environment variable 'MIDASSYS'
should be defined and point to the installation directory of midas. The
purpose of that is that add-on packages (like the upcoming ROME system) can
|
09 Jul 2004, Piotr Zolnierczuk, , Introduction of environment variable MIDASSYS
|
> Starting from midas version 1.9.4 on, the environment variable 'MIDASSYS'
> should be defined and point to the installation directory of midas. The
> purpose of that is that add-on packages (like the upcoming ROME system) can
|
09 Jul 2004, Stefan Ritt, , Introduction of environment variable MIDASSYS
|
> Here's my suggestion
> MIDASSYS=/opt/midas-1.9.4 (for example)
|
09 Jul 2004, Piotr Zolnierczuk, , Introduction of environment variable MIDASSYS
|
> I guess we should follow the "standard" as much as possible. MIDASSYS was inspired by
> ROOTSYS. Now where do people usually install ROOT? Is it /opt/root-x.x.x or something
> else. Some years ago (when I did the last time some linux administration) optional
|
09 Jul 2004, John M O'Donnell, , Introduction of environment variable MIDASSYS
|
For a long time the "de facto" standard was to spread a package around in many
directories under /usr/local. This proved to be a bad idea, as removing the
package
|
12 Jul 2004, Stefan Ritt, , Introduction of environment variable MIDASSYS
|
> With POSIX there is a written standard, which says that each pacakge goes in
> it's own
> directory under /opt. eg. /opt/midas. Each package gets to define it's own
|
20 Jul 2004, Konstantin Olchanski, , Introduction of environment variable MIDASSYS
|
> > Starting from midas version 1.9.4 on, the environment variable 'MIDASSYS' ...
> 2. What will the entire structure tree look like?
>
|
21 Jul 2004, Stefan Ritt, , Introduction of environment variable MIDASSYS
|
> Where should MIDAS be installed?
I personally don't have any preference, as long as it's in accordance with "the standard"
|
05 Dec 2003, Konstantin Olchanski, , HOWTO setup MIDAS ROOT tree analysis
|
> root -l
root> TFile *f = new TFile("run00064.root")
root> TTree *t = f->Get("Trigger")
|
20 Jul 2004, Konstantin Olchanski, , HOWTO setup MIDAS ROOT tree analysis
|
Updating the instructions to ROOT version 3.10.2. Example is from TRIUMF-KOPIO
tree analysis.
|
05 Dec 2003, Konstantin Olchanski, , HOWTO setup MIDAS ROOT tree analysis
|
> root -l
root> TFile *f = new TFile("run00064.root")
root> TTree *t = f->Get("Trigger")
|
20 Jul 2004, Konstantin Olchanski, , HOWTO setup MIDAS ROOT tree analysis
|
Updating the instructions to ROOT version 3.10.2. Example is from TRIUMF-KOPIO
tree analysis.
|
05 Dec 2003, Konstantin Olchanski, , HOWTO setup MIDAS ROOT tree analysis
|
> root -l
root> TFile *f = new TFile("run00064.root")
root> TTree *t = f->Get("Trigger")
|
20 Jul 2004, Konstantin Olchanski, , HOWTO setup MIDAS ROOT tree analysis
|
Updating the instructions to ROOT version 3.10.2. Example is from TRIUMF-KOPIO
tree analysis.
|
14 Jul 2004, Piotr Zolnierczuk, , future direction discussion?
|
Hi,
I think that rather than spending too much time on where to
put files and how to define the environment - I am guilty of that myself.
|
14 Jul 2004, Piotr Zolnierczuk, , future directions discussion?
|
Sorry the previous message got mangled:
Hi,
|
14 Jul 2004, Stefan Ritt, , future direction discussion?
|
Have changed your entry as Non-HTML (easier to reply to...)
Here are some "initial" comments, by no means complete...
|
15 Jul 2004, Konstantin Olchanski, , future direction discussion?
|
> > Are we ready for 2.0?
I disapprove of version number inflation. Why not go straight for midas version
|
15 Jul 2004, Stefan Ritt, , Severe bug in 1.9.4
|
Hello midas'ers,
Today I discovered a severe bug in the routine bm_check_buffers(), which
|
14 Jul 2004, Exaos Lee, , install problem of Makefile on MacOS X (Darwin 7.4.0, gcc 3.3)
|
I have compiled the sources on Darwin 7.4.0 with gcc 3.3. After the compilation of source codes, I
try to execute "gmake install". I got the following message:
-------
|
14 Jul 2004, Exaos Lee, , install problem of Makefile on MacOS X (Darwin 7.4.0, gcc 3.3)
|
There are not such a file "io.h" inside my MacOS X. In fact, I didn't find any file containing function iopl().
So what is the equivalent function of iopl() under MacOS X? The utility dio should be modified in order to be compiled under Darwin-
gcc platform. |
14 Jul 2004, Konstantin Olchanski, , install problem of Makefile on MacOS X (Darwin 7.4.0, gcc 3.3)
|
> There are not such a file "io.h" inside my MacOS X. In fact, I didn't find any file containing function iopl().
> So what is the equivalent function of iopl() under MacOS X? The utility dio should be modified in order to be compiled under Darwin-
> gcc platform.
|
09 Jul 2004, Stefan Ritt, , Version 1.9.4 released today
|
Version 1.9.4 of midas has been released today. It is mainly a maintenance
update, for all the little things which have been fixed since the last
release, and does not contain major new functionality. |
30 Jun 2004, Piotr Zolnierczuk, , mvme167 problems
|
Hi,
I am really puzzled: I am running the very same as far as sources
are concerned (Dec 12, 2003 snapsot) midas frontend (miniexp + camacnul)
|
30 Jun 2004, Piotr Zolnierczuk, , mvme167 problems
|
A followup: I traced back the problem to version 1.9.2.
Version 1.9.1 does not have this problem but 1.9.2 does.
|
21 Jun 2004, Piotr Zolnierczuk, , FAQ: anonymous cvs access?
|
Is the midas CVS server set-up so that I can pull the newest
version off the CVS server?
|
21 Jun 2004, Pierre-André Amaudruz, , FAQ: anonymous cvs access?
|
> Is the midas CVS server set-up so that I can pull the newest
> version off the CVS server?
>
|
22 Jun 2004, Exaos Lee, , FAQ: anonymous cvs access?
|
> In the Midas doc under "Quick Start"
> http://midas.triumf.ca/doc/html/quickstart.html
|
29 Jun 2004, Konstantin Olchanski, , FAQ: anonymous cvs access?
|
> Is the midas CVS server set-up so that I can pull the newest
> version off the CVS server?
>
|
22 Jun 2004, Exaos Lee, , How to compile under Darwin-gcc? (MacOS X)
|
I add the following to makefile and try to treat Darwin as FreeBSD/Linux.
But I failed.
============
|
22 Jun 2004, Konstantin Olchanski, , How to compile under Darwin-gcc? (MacOS X)
|
The current (cvs) version of MIDAS should build on Mac OS X right out of the
box- I fixed all the problems you report back in February(?)- see the macosx
thread in this forum. A few weeks ago I verified that it still compiles on Mac
|
23 Jun 2004, Exaos Lee, , How to compile under Darwin-gcc? (MacOS X)
|
> The current (cvs) version of MIDAS should build on Mac OS X right out of the
> box- I fixed all the problems you report back in February(?)- see the macosx
> thread in this forum. A few weeks ago I verified that it still compiles on Mac
|
23 Jun 2004, Stefan Ritt, , How to compile under Darwin-gcc? (MacOS X)
|
> Thanks a lot. But I cannot checkout module:
> ------------
> 01:52:16: pc2075.psi.ch: Operation timed out
|
23 Jun 2004, Exaos Lee, , How to compile under Darwin-gcc? (MacOS X)
|
>
> Should work fine, just tried from outside PSI. Please check again.
|
28 Jun 2004, Exaos Lee, , Linking Error: g++ -rpath?
|
I cannot checkout from the cvs server. So I download each latest file from the WWW
interface of CVS. While compiling these files, I encountered the following problems:
-------------
|
28 Jun 2004, Konstantin Olchanski, , Linking Error: g++ -rpath?
|
> ld: unknown flag: -rpath
> gmake: *** [darwin/bin/mlogger] Error 1
|
07 May 2004, Konstantin Olchanski, , min(a,b) in mana.c and mlogger.c
|
When I compile current cvs-head midas, I get errors about undefined function
min(). I do not think min() is in the list of standard C functions, so
something else should be used instead, like a MIN(a,b) macro. To make life
|
07 May 2004, Stefan Ritt, , min(a,b) in mana.c and mlogger.c
|
> When I compile current cvs-head midas, I get errors about undefined function
> min(). I do not think min() is in the list of standard C functions, so
> something else should be used instead, like a MIN(a,b) macro. To make life
|
21 Jun 2004, Piotr Zolnierczuk, , min(a,b) in mana.c and mlogger.c
|
> > When I compile current cvs-head midas, I get errors about undefined function
> > min(). I do not think min() is in the list of standard C functions, so
> > something else should be used instead, like a MIN(a,b) macro. To make life
|
06 Jun 2004, Konstantin Olchanski, , Makefile: set -rpath
|
I commited Makefile bits to set the RPATH on dynamically linked executables
to find libmidas.so and ROOT shared libraries without setting
LD_LIBRARY_PATH , etc. K.O. |
28 Apr 2004, Konstantin Olchanski, , mhttpd "start run" input field length?
|
I am setting up a new experiment and I added a "comment" field to "/
Experiment/Edit on start". When I start the run, I see this field, but I
cannot enter anything: the HTML "maxlength" is zero (or 1?). I traced this
|
30 Apr 2004, Stefan Ritt, , mhttpd
|
> I am setting up a new experiment and I added a "comment" field to "/
> Experiment/Edit on start". When I start the run, I see this field, but I
> cannot enter anything: the HTML "maxlength" is zero (or 1?). I traced this
|
30 Mar 2004, Konstantin Olchanski, , elog fixes
|
I am about to commit the mhttpd Elog fixes we have been using in TWIST since
about October. The infamous Elog "last N days" problem is fixed, sundry
memory overruns are caught and assert()ed.
|
30 Mar 2004, Stefan Ritt, , elog fixes
|
Thanks for fixing these long lasting bugs. The code is much cleaner now, please
commit it. |
10 Mar 2004, Jan Wouters, , Creation of secondary Midas output file.
|
Dear Midas Team,
I have run into a problem with Midas and was wondering if you could explain what I
|
10 Mar 2004, Stefan Ritt, , Creation of secondary Midas output file.
|
Dear Jan,
I had a look at your code. You create a gPhysicsEventHeader array, fill it, and expect the
|
11 Mar 2004, Renee Poutissou, , Creation of secondary Midas output file.
|
Jan ,
Do you need to log this stage 1 output? If not, you would use the
|
19 Jan 2004, Konstantin Olchanski, , darwin aka macosx changes
|
I commited the final bits to make Midas build on Darwin aka macosx.
Here is the summary:
|
14 Jan 2004, Konstantin Olchanski, , First try- midas on darwin/macosx
|
While watching "The Wizard of Oz", the greatest movie ever made, I took a shot at building
midas on my macosx computer. After stumbling on a few small and on a few hard problems, I
built almost everything. However, odb does not work- some further debugging is in order.
|
14 Jan 2004, Stefan Ritt, , First try- midas on darwin/macosx
|
Great, I got already questions about MacOSX support...
Once it's working, you should commit the changes. But take into account that using "//" for
|
16 Jan 2004, Konstantin Olchanski, , First try- midas on darwin/macosx
|
> Great, I got already questions about MacOSX support...
> Once it's working, you should commit the changes.
|
17 Jan 2004, Stefan Ritt, , First try- midas on darwin/macosx
|
> With the ALIGN8() change ODB works, mhttpd works. ALIGN8 change now commited to cvs, verified that "make all" builds
> on Linux.
|
18 Jan 2004, Konstantin Olchanski, , First try- midas on darwin/macosx
|
> I would like to keep all OS specific #includes in midasinc.h
No go. Here is the problem:
|
19 Jan 2004, Stefan Ritt, , First try- midas on darwin/macosx
|
> I want this:
>
> mana.c does *not* include sys/mount.h
|
19 Jan 2004, Konstantin Olchanski, , First try- midas on darwin/macosx
|
> > Simplest solution is to take sys/mount.h out of midasinc.h and include it in system.c
> Agree.
|
14 Jan 2004, Razvan Stefan Gornea, , Access to hardware in the MIDAS framework
|
I am just starting to explore MIDAS, i.e. reading the manual and trying
some examples. For the moment I would like to make a simple frontend that
access a portable multimeter through RS-232 port. I think this could help
|
14 Jan 2004, Stefan Ritt, , Access to hardware in the MIDAS framework
|
There is some information at
http://midas.triumf.ca/doc/html/Internal.html#Slow_Control_system
|
16 Jan 2004, Razvan Stefan Gornea, , Access to hardware in the MIDAS framework
|
The multimeter device is indeed to simple to use MIDAS but I am just trying
it as a learning experience. The DAQ system to develop involves VME crates
and general purpose I/O boards. The slow control part, especially accessing
|
17 Jan 2004, Stefan Ritt, , Access to hardware in the MIDAS framework
|
> The result is strange because the get function is called all the time very
> fast (much faster then the 9 seconds as set in the equipment) and even
> before starting the run (I just put the flag RO_RUNNING).
|
15 Dec 2003, Stefan Ritt, , Poll about default indent style
|
Dear all,
there are continuing requests about the C indent style we use in midas. As
|
18 Dec 2003, Paul Knowles, , Poll about default indent style
|
Hi Stefan,
> once and forever, I am considering using the "indent" program which comes
|
18 Dec 2003, Stefan Ritt, , Poll about default indent style
|
Hi Paul,
I agree with you that a nesting level of more than 4-5 is a bad thing, but I
|
01 Jan 2004, Konstantin Olchanski, , Poll about default indent style
|
> I don't feel a strong need of giving up a "-i2"...
I am comfortable with the current MIDAS styling convention and I would rather not
|
06 Jan 2004, Stefan Ritt, , Poll about default indent style
|
Ok, taking all comments so far into account, I conclude adopting the ROOT
coding style would be best for us. So I put
|
11 Aug 2003, Konstantin Olchanski, , Alarm on no ping?
|
I want midas alarms to go off when I cannot ping arbitrary remote hosts. Is
there is easy/preferred way to do this? K.O. |
18 Dec 2003, Stefan Ritt, , Alarm on no ping?
|
> I want midas alarms to go off when I cannot ping arbitrary remote hosts. Is
> there is easy/preferred way to do this? K.O.
|
15 Dec 2003, Pierre-André Amaudruz, , ROOT GUI at Triumf
|
The current Triumf DAQ standard (Midas) since the second quarter of this
year (2003) has the capability to deal with ROOT histograms. The internal
midas logger can save data files in ROOT format and the analyzer can book
|
12 Dec 2003, Stefan Ritt, , Several small fixes and changes
|
I committed several small fixes and changes:
- install.txt which mentions explicitly ROOT
|
09 Dec 2003, Paul Knowles, , db_close_record non-local/non-return
|
Hi All,
|
12 Dec 2003, Stefan Ritt, , db_close_record non-local/non-return
|
Hi Paul,
sorry my late reply, I had to find some time for debugging your problem.
|
20 Nov 2003, Stefan Ritt, , Implementation of db_check_record()
|
As Konstantin pointed out correctly, the db_create_record() call is pretty
heavy since it copies whole structures around the ODB. Therefore, it
should not used frequently. It might be that several problems are caused
|
27 Nov 2003, Konstantin Olchanski, , Implementation of db_check_record()
|
> I have therefore implemented the function
> db_check_record(HNDLE hDB, HNDLE hKey, char *keyname, char *rec_str, BOOL
correct)
|
30 Nov 2003, Konstantin Olchanski, , Implementation of db_check_record()
|
> > I have therefore implemented the function
> > db_check_record(HNDLE hDB, HNDLE hKey, char *keyname, char *rec_str, BOOL
> correct)
|
30 Nov 2003, Stefan Ritt, , Implementation of db_check_record()
|
Fixed and committed. Can you check if it's working? |
01 Dec 2003, Konstantin Olchanski, , Implementation of db_check_record()
|
> Fixed and committed. Can you check if it's working?
Yes, it is fixed. Thanks. K.O. |
25 Nov 2003, Suzannah Daviel, , delete key followed by create record leads to empty structure in experim.h
|
Hi,
I have noticed a problem with deleting a key to an array in odb, then
|
01 Dec 2003, Stefan Ritt, , delete key followed by create record leads to empty structure in experim.h
|
> I have noticed a problem with deleting a key to an array in odb, then
> recreating the record as in the code below. The record is recreated
> successfully, but when viewing it with mhttpd, a spurious blank line
|
30 Nov 2003, Konstantin Olchanski, , bad call to cm_cleanup() in fal.c
|
fal.c does not compile: it calls cm_cleanup() with one argument when there
should be two arguments. K.O. |
30 Nov 2003, Stefan Ritt, , bad call to cm_cleanup() in fal.c
|
> fal.c does not compile: it calls cm_cleanup() with one argument when there
> should be two arguments. K.O.
|
20 Nov 2003, Konstantin Olchanski, , midas timeout wraparound
|
While reviving midas on midtig01 after it was not used for a while, we see
this. Notice negative "last called" numbers. Looks like a time_t wraparound
somewhere...
|
20 Nov 2003, Konstantin Olchanski, , cannot shutdown defunct clients
|
> While reviving midas on midtig01 after it was not used for a while ...
> [local:tigress:S]/>scl -w
> Name Host Timeout Last called
|
20 Nov 2003, Stefan Ritt, , cannot shutdown defunct clients
|
> 1) shutdown from mhttpd "programs" page -> "cannot shutdown client"
> 2) "sh mhttpd" from odbedit ->
> [midas.c:5298:cm_shutdown] cannot connect to client mhttpd on host
|
20 Nov 2003, Konstantin Olchanski, , cannot shutdown defunct clients
|
> > 1) shutdown from mhttpd "programs" page -> "cannot shutdown client"
> Have you tried a "cleanup" in ODBEdit?
|
20 Nov 2003, Stefan Ritt, , cannot shutdown defunct clients
|
> INT == "int", wraparound in 1 month
> DWORD == "unsigned int", wraparound in 2 months
>
|
20 Nov 2003, Renee Poutissou, , cannot shutdown defunct clients
|
Indeed the ODB command "cleanup" really works. I have used it several
times with the TWIST DAQ and regularly with the BNMR/MUSR setups where
we have these stubborn clients (ie feepics) that do not want to shutdown
|
24 Nov 2003, Stefan Ritt, , cannot shutdown defunct clients
|
> But there is one problem with "cleanup". It has a hardwired timeout of
> 2 seconds. This is a problem for tasks like lazylogger which set a timeout
> of 60 seconds when moving the tape. So BEWARE, if you issue the "cleanup"
|
17 Nov 2003, Stefan Ritt, , Revised MVMESTD
|
Let me propose a revised scheme for midas standard VME calls (mvmestd.h).
Pierre mentioned some limitations before, and I find now also some fields
|
20 Nov 2003, Pierre-André Amaudruz, Konstantin Olchanski, , Revised MVMESTD
|
Before we try to merge the different access scheme for the different VME hardware,
we present the "optimal" configuration for the VMIC setup. This is a first shot so take it
with caution.
|
21 Nov 2003, Stefan Ritt, , Revised MVMESTD
|
Thanks for your contribution. Let me try to map your functionality to mvmestd calls:
> A) The VMIC vme_slave_xxx() options are not considered.
|
20 Nov 2003, Konstantin Olchanski, , set-uid-root midas programs
|
I see that MIDAS installs several set-uid-root programs into /usr/local/bin.
In this age and time of evil computer hackers, this is not a good idea and
we should Do Something (TM) about it. Here is my risk assessment:
|
20 Nov 2003, Stefan Ritt, , set-uid-root midas programs
|
> dio- is required to be setuid-root to gain I/O permissions. I looked at it a
> few times, and it is probably safe, but I would like to get a second
> opinion. Stephan, can you should it to your local security geeks?
|
15 Nov 2003, Konstantin Olchanski, , Phantom "open records"
|
Sometimes (maybe after a client uncleanly exits?), I see phantom "open
records", for example:
[local:twist:Running]Gas>sor
|
16 Nov 2003, Stefan Ritt, , Phantom
|
I have seen the same behaviour and it annoys me, too. What I did in the past
is a "cleanup" in ODBEdit which removes these open records. I have soem code
in cm_watchdog(), which should take care of that. If a client is dead, it
|
20 Nov 2003, Stefan Ritt, , Phantom
|
I tried to reproduce the problem, but without success. So in case this happens
again, one should debug the code im cm_watchdog() next to the line
|
17 Nov 2003, Pierre-André Amaudruz, , Lazylogger application
|
- Remove temporary "/Programs/Lazy" creation.
- Fix Rate calculation for Web display.
- Change FTP channel description (see help). |
31 Oct 2003, Konstantin Olchanski, , more odb "run number" error checking
|
I added error checking to the places where we read "/runinfo/run number". In
general, I do this:
|
01 Nov 2003, Stefan Ritt, , more odb
|
> I added error checking to the places where we read "/runinfo/run number". In
> general, I do this:
|
01 Nov 2003, Konstantin Olchanski, , more odb
|
> > I added error checking to the places where we read "/runinfo/run number".
> Now YOU broke the system by editing all these files with something I consider
> temporary debugging code. A run number of zero is *VALILD*.
|
14 Nov 2003, Stefan Ritt, , more odb
|
Ok, I apologize. It's all ok. Thanks for clearifying. Concerning the assert's, it
would be nice to be able to disable them in release code. Under Windows, the
assert() is actually a macro which expands to zero if NDEBUG is defined. I
|
31 Oct 2003, Konstantin Olchanski, , Do not frob "/runinfo" in mhttpd.c
|
I found where we tickle the race condition in db_create_record().
1) in mhttpd.c, every time we show the status page, we call
|
01 Nov 2003, Stefan Ritt, , Do not frob
|
> I found where we tickle the race condition in db_create_record().
>
> 1) in mhttpd.c, every time we show the status page, we call
|
01 Nov 2003, Konstantin Olchanski, , Do not frob
|
> > I found where we tickle the race condition in db_create_record().
> The reason for the db_create_record() is the following: Assume that we change
> the /runinfo structure...
|
31 Oct 2003, Konstantin Olchanski, , mana.c without ROOT and HBOOK
|
Stephan, why did you prohibit building mana.c without ROOT and HBOOK
support? I think such a configuration is valid and should be allowed.
|
01 Nov 2003, Stefan Ritt, , mana.c without ROOT and HBOOK
|
> Stephan, why did you prohibit building mana.c without ROOT and HBOOK
> support? I think such a configuration is valid and should be allowed.
|
01 Nov 2003, Konstantin Olchanski, , mana.c without ROOT and HBOOK
|
> > Stephan, why did you prohibit building mana.c without ROOT and HBOOK
> > support? I think such a configuration is valid and should be allowed.
>
|
31 Oct 2003, Konstantin Olchanski, , Disable "tab"s in xemacs
|
The default C indentation style in xemacs uses "tab" characters, violating
the MIDAS coding convention. To disable this misfeature in xemacs (emacs
too?), put this incantation in your .xemacs/custom.el file:
|
30 Oct 2003, Stefan Ritt, , Fixed several potential problems for ODB corruption
|
I just realized that db_set_value, db_set_data, db_set_num_values and
db_merge_data do not check for num_values == 0. With such a parameter the
ODB can become corrupted, since zero length ODB entries are not allowed. I
|
30 Oct 2003, Stefan Ritt, , 'umask' added to lazylogger for FTP connections
|
I had to add a 'umask' opiton to the loggers (lazy and mlogger) for the new
PSI archive. One can now put a filename into the settings like:
|
16 Oct 2003, David Morris, , Updated thread functions
|
ss_thread_create now returns the thread ID on success, and zero on failure.
Previously returned SS_SUCCESS or SS_NO_THREAD. User must now test the
return value to determine result.
|
28 Oct 2003, Stefan Ritt, , Updated thread functions
|
> ss_thread_create now returns the thread ID on success, and zero on failure.
> Previously returned SS_SUCCESS or SS_NO_THREAD. User must now test the
> return value to determine result.
|
15 Oct 2003, Konstantin Olchanski, , test
|
test
test
test |
15 Oct 2003, Konstantin Olchanski, , test
|
> test
> test
> test
|
15 Oct 2003, Stefan Ritt, , test
|
> > test
> > test
> > test
|
12 Oct 2003, Konstantin Olchanski, , mhttpd: add Elog text to outgoing email.
|
This commit adds the elog message text to the outgoing email message. This
functionality has been requested a logn time ago, but I guess nobody got
around to implement it, until now. I also added assert() traps for the most
|
13 Oct 2003, Stefan Ritt, , mhttpd: add Elog text to outgoing email.
|
> around to implement it, until now. I also added assert() traps for the most
> common array overruns in the Elog code.
|
13 Oct 2003, Konstantin Olchanski, , mhttpd: add Elog text to outgoing email.
|
> > around to implement it, until now. I also added assert() traps for the most
> > common array overruns in the Elog code.
>
|
13 Oct 2003, Stefan Ritt, , mhttpd: add Elog text to outgoing email.
|
> > > around to implement it, until now. I also added assert() traps for the
most
> > > common array overruns in the Elog code.
|
12 Oct 2003, Konstantin Olchanski, , Array overruns in mhttpd.c::submit_elog()
|
While adding new functionality to submit_elog() (add the message text to the
outgoing email), I noticed that the email text is being stored into an array
of size 256, mail_text[256], without any checks for array overrun. This
|
12 Oct 2003, Konstantin Olchanski, , Array overruns in mhttpd.c::submit_elog()
|
> While adding new functionality to submit_elog() (add the message text to the
> outgoing email), I noticed that the email text is being stored into an array
> of size 256, mail_text[256], without any checks for array overrun. This
|
13 Oct 2003, Stefan Ritt, , Array overruns in mhttpd.c::submit_elog()
|
> > While adding new functionality to submit_elog() (add the message text to
the
> > outgoing email), I noticed that the email text is being stored into an
|
13 Oct 2003, Konstantin Olchanski, , Array overruns in mhttpd.c::submit_elog()
|
> > > While adding new functionality to submit_elog() ....
>
> The whole elog functionality in mhttpd will be replaced (sometime) ...
|
12 Oct 2003, Konstantin Olchanski, , Refuse to set run number zero
|
I am debugging the frequent problem where the run number is mysteriously
reset to zero. As a first step, I am commiting changes to mhttpd.c and midas.c:
- abort on obviously corrupted "run number < 0"
|
12 Oct 2003, Konstantin Olchanski, , Refuse to set run number zero
|
> I am debugging the frequent problem where the run number is mysteriously
> reset to zero. As a first step, I am commiting changes to mhttpd.c and midas.c:
> - abort on obviously corrupted "run number < 0"
|
11 Aug 2003, Konstantin Olchanski, , mhttpd crash on corrupted ODB /RunInfo
|
Invalid values of ODB /RunInfo/State cause mhttpd crash in
show_status_page() because of an out of bounds access to the array of state
names. Suggest this fix: remove array of state names, use existing ladder of
|
10 Oct 2003, Konstantin Olchanski, , mhttpd crash on corrupted ODB /RunInfo
|
There was no feedback. This code has been commited. K.O.
> Invalid values of ODB /RunInfo/State cause mhttpd crash in
|
02 Sep 2003, Pierre-André Amaudruz, , minor fix, window build
|
- makefile.nt (/examples/experiment, /hbook)
adjusted for local hmana.obj build as for rmana.obj, add cvs tag for
revision comment entry.
|
27 Aug 2003, Pierre-André Amaudruz, , Operation under 1.9.3 with the analyzer
|
1) Prior upgrading midas to 1.9.3, make sure you've saved your ODB in ASCII
format using "odbedit> save my_odb.odb", as the internal structure is
incompatible with previous version. You will be able to restore it once
|
19 Aug 2003, Pierre-André Amaudruz, , minor fixes, new tarball 1.9.3-1
|
- add pthread lib to examples/... makefile
- fix ybos_simfe.c for max_event_size
- fix camacnul.c for cam_inhibit_test(), cam_interrupt_test()
|
29 Jul 2003, Konstantin Olchanski, , Have to link with -lpthread?
|
It appears that all midas applications are now required to link with the
pthreads library even if they do not use threads. This is caused by a
pthread_create() call from ss_thread_create() in system.c.
|
30 Jul 2003, David Morris, , Have to link with -lpthread?
|
The change is required to support implementation of pthreads in the Linux
compile of Midas. This was added recently. I believe pthreads is also needed
for ROOT based compiles.
|
26 Jul 2003, Konstantin Olchanski, , use "odbedit -C" to connect to corrupted ODB
|
Add switch "-C" to odbedit to allow it to connect to corrupted ODB. Then,
depending on corruption, the user can manually remove or correct the
corrupted entries. Also, some corruption is automatically fixed by "odbedit"
|
26 Jul 2003, Konstantin Olchanski, , more ODB checks in src/odb.c
|
Add more checks to db_validate_key() for pkey->total_size, item_size and
num_values. Automatically correct total_size to be item_size*num_values (we
saw this corruption and tested this fix).
|
02 Jul 2003, Pierre-André Amaudruz, , Midas/ROOT Analyser situation
|
The current and future situation of the Midas analyzer is summarized in the
attachment below.
|
26 Jun 2003, David Morris, , pthreads for Linux
|
Added ss_create_thread support for Linux in system.c
Added pthread library in main make file |
17 Jun 2003, Stefan Ritt, , example experiment makefile for NT
|
I have added ROOT support to midas\examples\experiment\makefile.nt. To
compile the example experiment under Windows, one needs
|
12 Jun 2003, Pierre-André Amaudruz, , Tape handling
|
- remove ss_tape_get_blockn from lazylogger.c
- add ss_tape_get_blockn to system.c
- add ss_tape_get_blockn prototype into midas.h
|
06 Jun 2003, Pierre-André Amaudruz, , Welcome
|
Dear Midas users,
As you certainly aware, ELOG (Electronic Logbook) has been written
|