 11 Feb 2011, Konstantin Olchanski, Bug Report, fixed. odb corruption, odb race condition?
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> >
> > The only remaining problem when running my script is some kind of deadlock between the ODB and SYSMSG semaphores...
> >
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13 Feb 2011, Lee Pool, Bug Report, Problems with midas history SVN 4936
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> 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
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15 Feb 2011, Konstantin Olchanski, Bug Report, fixed. odb corruption, odb race condition?
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> 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()
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16 Feb 2011, Konstantin Olchanski, Bug Report, Problems with midas history SVN 4936
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> 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
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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, 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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16 Feb 2011, Lee Pool, 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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17 Feb 2011, Stefan Ritt, Bug Report, Problems with midas history SVN 4936
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> 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
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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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12 Dec 2011, Michael Murray, 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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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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19 Dec 2011, Stefan Ritt, 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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01 Mar 2012, Stefan Ritt, Bug Report, Problem with semaphores
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> Anyhow, if anybody can suggest such an advanced locking library it would be great. Will save me the
> effort of writing one.
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18 Apr 2012, Exaos Lee, Bug Report, Build error with mlogger: invalid conversion from ‘void*’ to ‘gzFile’ 
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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]
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19 Apr 2012, Stefan Ritt, Bug Report, Build error with mlogger: invalid conversion from ‘void*’ to ‘gzFile’
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[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]
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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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27 Apr 2012, Stefan Ritt, Bug Report, Build error with mlogger: invalid conversion from ‘void*’ to ‘gzFile’
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[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).
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09 Jun 2012, Greg Christian, Bug Report, _net_send_buffer realloc
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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
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