 06 Nov 2008, Konstantin Olchanski, Info, midas elog outage
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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
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22 Oct 2008, Konstantin Olchanski, Info, mscb timeouts and retries
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A new set of functions was added to mscb.h to adjust mscb timeouts and retries to better match specific
applications:
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 28 Oct 2008, Stefan Ritt, Info, mscb timeouts and retries
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> A new set of functions was added to mscb.h to adjust mscb timeouts and retries to better match specific
> applications:
>
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23 Oct 2008, Konstantin Olchanski, Bug Report, strange output from "odbedit cleanup"
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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. |
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28 Oct 2008, Stefan Ritt, Bug Report, strange output from "odbedit cleanup"
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> 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.
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23 Oct 2008, Konstantin Olchanski, Bug Report, Inconsistent handling of odb and evet buffer timeouts
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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.
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28 Oct 2008, Stefan Ritt, Bug Report, Inconsistent handling of odb and evet buffer timeouts
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> 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.
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23 Oct 2008, Konstantin Olchanski, Bug Report, bm_wait_for_free_space never sleeps inside the mserver
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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.
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21 Oct 2008, Randolf Pohl, Forum, Mixed CAMAC/VME frontend, SIS3100
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Dear MIDAS-addicts,
I would like to hear your opinion on this:
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22 Oct 2008, Stefan Ritt, Forum, Mixed CAMAC/VME frontend, SIS3100
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> Dear MIDAS-addicts,
>
> I would like to hear your opinion on this:
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18 Oct 2008, Konstantin Olchanski, Info, make linux32 & co
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The Makefile targets for crosscompiling MIDAS are now documented in the MIDAS
Doxygen documentation:
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17 Oct 2008, Konstantin Olchanski, Info, mlogger async transitions, etc
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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
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18 Oct 2008, Stefan Ritt, Info, mlogger async transitions, etc
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> 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).
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13 Oct 2008, Konstantin Olchanski, Info, MIDAS drivers for Tundra tsi148 pci-vme bridge
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The latest midas mvmestd.h driver for the Tundra tsi148 pci-vme bridge as used
on GEFANUC VME processors have been commited, revision 4349.
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13 Oct 2008, Stefan Ritt, Info, mhttpd multi-experiment support removed
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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
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10 Oct 2008, Konstantin Olchanski, Bug Report, mhttpd "messages" broken
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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.
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11 Oct 2008, Stefan Ritt, Bug Report, mhttpd "messages" broken
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> 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.
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03 Oct 2008, Konstantin Olchanski, Info, Implement non-default mserver tcp port numbers.
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midas revision 4342 implements non-default tcp port numbers for the mserver.
To use, run "mserver -p 7070" and say "setenv MIDAS_SERVER_HOST
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19 Sep 2008, Stefan Ritt, Info, Lazylogger logging changed
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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
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18 Sep 2008, Stefan Ritt, Info, Potential problems in multi-threaded slow control front-end
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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.
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17 Sep 2008, Stefan Ritt, Info, New flag for auto restart
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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
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29 Aug 2008, Konstantin Olchanski, Info, history_odbc: store MIDAS history in ODBC/MySQL database
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The code for storing midas history in an odbc sql database has been committed.
Changes:
include/history_odbc.h, src/history_odbc.cxx --- implementation
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28 Aug 2008, Konstantin Olchanski, Info, triumf/t2k midas updates
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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
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17 Jun 2008, Stefan Ritt, Info, Improvement of custom pages 
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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
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31 Jul 2008, Stefan Ritt, Info, Improvement of custom pages
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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
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16 Jul 2008, Stefan Ritt, Info, Implementation of db_set_link_data() and db_set_link_data_index()
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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
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04 Jul 2008, Stefan Ritt, Info, Improved alarm conditions implemented
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I implemented improved alarm conditions in the alarm system. Now one can write
conditions like
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