 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.
|