 21 Sep 2004, Konstantin Olchanski, , ODB-EPICS gateway
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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
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 21 Sep 2004, Stefan Ritt, , ODB-EPICS gateway
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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
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31 Aug 2004, Konstantin Olchanski, , midas odb locking
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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
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15 Sep 2004, Konstantin Olchanski, , midas odb locking
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After some discussion with Stefan-
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16 Sep 2004, Stefan Ritt, , midas odb locking
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> 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
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31 Aug 2004, Konstantin Olchanski, , mlogger crash if using mserver.
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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
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07 Sep 2004, Stefan Ritt, , mlogger crash if using mserver.
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I trapped myself into that problem recently so it's the right time to fix it (;-).
We have two options:
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15 Sep 2004, Konstantin Olchanski, , mlogger crash if using mserver.
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> 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
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09 Jul 2004, Stefan Ritt, , Introduction of environment variable MIDASSYS
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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
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09 Jul 2004, Piotr Zolnierczuk, , Introduction of environment variable MIDASSYS
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> 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
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09 Jul 2004, Stefan Ritt, , Introduction of environment variable MIDASSYS
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> Here's my suggestion
> MIDASSYS=/opt/midas-1.9.4 (for example)
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09 Jul 2004, Piotr Zolnierczuk, , Introduction of environment variable MIDASSYS
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> 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
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09 Jul 2004, John M O'Donnell, , Introduction of environment variable MIDASSYS
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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
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12 Jul 2004, Stefan Ritt, , Introduction of environment variable MIDASSYS
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> 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
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20 Jul 2004, Konstantin Olchanski, , Introduction of environment variable MIDASSYS
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> > Starting from midas version 1.9.4 on, the environment variable 'MIDASSYS' ...
> 2. What will the entire structure tree look like?
>
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21 Jul 2004, Stefan Ritt, , Introduction of environment variable MIDASSYS
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> Where should MIDAS be installed?
I personally don't have any preference, as long as it's in accordance with "the standard"
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05 Dec 2003, Konstantin Olchanski, , HOWTO setup MIDAS ROOT tree analysis
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> root -l
root> TFile *f = new TFile("run00064.root")
root> TTree *t = f->Get("Trigger")
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20 Jul 2004, Konstantin Olchanski, , HOWTO setup MIDAS ROOT tree analysis
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Updating the instructions to ROOT version 3.10.2. Example is from TRIUMF-KOPIO
tree analysis.
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05 Dec 2003, Konstantin Olchanski, , HOWTO setup MIDAS ROOT tree analysis
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> root -l
root> TFile *f = new TFile("run00064.root")
root> TTree *t = f->Get("Trigger")
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20 Jul 2004, Konstantin Olchanski, , HOWTO setup MIDAS ROOT tree analysis
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Updating the instructions to ROOT version 3.10.2. Example is from TRIUMF-KOPIO
tree analysis.
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05 Dec 2003, Konstantin Olchanski, , HOWTO setup MIDAS ROOT tree analysis
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> root -l
root> TFile *f = new TFile("run00064.root")
root> TTree *t = f->Get("Trigger")
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20 Jul 2004, Konstantin Olchanski, , HOWTO setup MIDAS ROOT tree analysis
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Updating the instructions to ROOT version 3.10.2. Example is from TRIUMF-KOPIO
tree analysis.
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14 Jul 2004, Piotr Zolnierczuk, , future direction discussion?
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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.
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14 Jul 2004, Piotr Zolnierczuk, , future directions discussion?
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Sorry the previous message got mangled:
Hi,
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14 Jul 2004, Stefan Ritt, , future direction discussion?
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Have changed your entry as Non-HTML (easier to reply to...)
Here are some "initial" comments, by no means complete...
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15 Jul 2004, Konstantin Olchanski, , future direction discussion?
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> > Are we ready for 2.0?
I disapprove of version number inflation. Why not go straight for midas version
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15 Jul 2004, Stefan Ritt, , Severe bug in 1.9.4
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Hello midas'ers,
Today I discovered a severe bug in the routine bm_check_buffers(), which
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14 Jul 2004, Exaos Lee, , install problem of Makefile on MacOS X (Darwin 7.4.0, gcc 3.3)
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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:
-------
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14 Jul 2004, Exaos Lee, , install problem of Makefile on MacOS X (Darwin 7.4.0, gcc 3.3)
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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. |
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14 Jul 2004, Konstantin Olchanski, , install problem of Makefile on MacOS X (Darwin 7.4.0, gcc 3.3)
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> 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.
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09 Jul 2004, Stefan Ritt, , Version 1.9.4 released today
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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. |
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30 Jun 2004, Piotr Zolnierczuk, , mvme167 problems
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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)
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30 Jun 2004, Piotr Zolnierczuk, , mvme167 problems
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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.
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21 Jun 2004, Piotr Zolnierczuk, , FAQ: anonymous cvs access?
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Is the midas CVS server set-up so that I can pull the newest
version off the CVS server?
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21 Jun 2004, Pierre-André Amaudruz, , FAQ: anonymous cvs access?
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> Is the midas CVS server set-up so that I can pull the newest
> version off the CVS server?
>
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22 Jun 2004, Exaos Lee, , FAQ: anonymous cvs access?
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> In the Midas doc under "Quick Start"
> http://midas.triumf.ca/doc/html/quickstart.html
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29 Jun 2004, Konstantin Olchanski, , FAQ: anonymous cvs access?
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> Is the midas CVS server set-up so that I can pull the newest
> version off the CVS server?
>
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22 Jun 2004, Exaos Lee, , How to compile under Darwin-gcc? (MacOS X)
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I add the following to makefile and try to treat Darwin as FreeBSD/Linux.
But I failed.
============
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22 Jun 2004, Konstantin Olchanski, , How to compile under Darwin-gcc? (MacOS X)
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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
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23 Jun 2004, Exaos Lee, , How to compile under Darwin-gcc? (MacOS X)
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> 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
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23 Jun 2004, Stefan Ritt, , How to compile under Darwin-gcc? (MacOS X)
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> Thanks a lot. But I cannot checkout module:
> ------------
> 01:52:16: pc2075.psi.ch: Operation timed out
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23 Jun 2004, Exaos Lee, , How to compile under Darwin-gcc? (MacOS X)
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>
> Should work fine, just tried from outside PSI. Please check again.
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28 Jun 2004, Exaos Lee, , Linking Error: g++ -rpath?
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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:
-------------
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28 Jun 2004, Konstantin Olchanski, , Linking Error: g++ -rpath?
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> ld: unknown flag: -rpath
> gmake: *** [darwin/bin/mlogger] Error 1
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07 May 2004, Konstantin Olchanski, , min(a,b) in mana.c and mlogger.c
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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
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07 May 2004, Stefan Ritt, , min(a,b) in mana.c and mlogger.c
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> 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
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21 Jun 2004, Piotr Zolnierczuk, , min(a,b) in mana.c and mlogger.c
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> > 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
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06 Jun 2004, Konstantin Olchanski, , Makefile: set -rpath
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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. |
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28 Apr 2004, Konstantin Olchanski, , mhttpd "start run" input field length?
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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
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30 Apr 2004, Stefan Ritt, , mhttpd
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> 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
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30 Mar 2004, Konstantin Olchanski, , elog fixes 
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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.
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30 Mar 2004, Stefan Ritt, , elog fixes
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Thanks for fixing these long lasting bugs. The code is much cleaner now, please
commit it. |
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10 Mar 2004, Jan Wouters, , Creation of secondary Midas output file.
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Dear Midas Team,
I have run into a problem with Midas and was wondering if you could explain what I
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10 Mar 2004, Stefan Ritt, , Creation of secondary Midas output file.
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Dear Jan,
I had a look at your code. You create a gPhysicsEventHeader array, fill it, and expect the
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11 Mar 2004, Renee Poutissou, , Creation of secondary Midas output file.
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Jan ,
Do you need to log this stage 1 output? If not, you would use the
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19 Jan 2004, Konstantin Olchanski, , darwin aka macosx changes
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I commited the final bits to make Midas build on Darwin aka macosx.
Here is the summary:
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