 16 Feb 2011, Konstantin Olchanski, Bug Report, Problems with midas history SVN 4936
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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
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16 Feb 2011, Konstantin Olchanski, Bug Report, Problems with midas history SVN 4936
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>
> 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.
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16 Feb 2011, Konstantin Olchanski, Info, Notes on MIDAS history
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>
> 1) PerVariableHistory.
>
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16 Feb 2011, Konstantin Olchanski, Bug Report, fixed. odb corruption, odb race condition?
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> My torture test runs okey in my mac now, one remaining problem is spurious client removal caused
> by semaphore starvation...
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 28 Feb 2011, Konstantin Olchanski, Info, javascript example experiment 
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I just committed a MIDAS example for using most mhttpd html and javascript functions: ODBGet(),
ODBSet(), ODBRpc() & co.
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15 Apr 2011, Konstantin Olchanski, Forum, How large does "bank32" support?
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> 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.
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17 Jun 2011, Konstantin Olchanski, Forum, ladd00.triumf.ca https ssl certificate update
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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".
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27 Jun 2011, Konstantin Olchanski, Suggestion, Build MIDAS debian packages using autoconf/automake.
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> 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.
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27 Jun 2011, Konstantin Olchanski, Info, updated mhttpd history "export" function
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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
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27 Jun 2011, Konstantin Olchanski, Info, midas shared memory changes
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A number of changes were made to the midas shared memory implementation for
Linux and MacOS:
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27 Jun 2011, Konstantin Olchanski, Info, mlogger lock for runNNN.mid.gz files
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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
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05 Jul 2011, Konstantin Olchanski, Info, midas shared memory changes
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> 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
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05 Jul 2011, Konstantin Olchanski, Bug Report, MacOS network socket timeouts non-functional
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It turns out that because of differences between select() syscall implementation between UNIX (MacOS,
maybe BSD) and Linux, network socket timeouts do not work.
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10 Jul 2011, Konstantin Olchanski, Bug Fix, midas shared memory changes
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> > 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.
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11 Jul 2011, Konstantin Olchanski, Bug Fix, midas shared memory changes
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> > > 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.
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11 Jul 2011, Konstantin Olchanski, Info, Make "STOP" run transition always succeed
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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).
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16 Dec 2011, Konstantin Olchanski, Bug Report, bk_delete uses memcpy instead of memmove
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> 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.
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29 Feb 2012, Konstantin Olchanski, Bug Report, Problem with semaphores
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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
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25 Apr 2012, Konstantin Olchanski, Bug Report, Build error with mlogger: invalid conversion from ‘void*’ to ‘gzFile’
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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.
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10 Jun 2012, Konstantin Olchanski, Bug Report, _net_send_buffer realloc
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> In midas.c, ...
>
> 1) _net_send_buffer is not set to NULL when declared.
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