 10 Aug 2020, Ivo Schulthess, Bug Report, data missing in runXXXXXX.mid
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> > Dear all
> >
> > We just started our beam time at ILL and just found yesterday that for certain
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10 Aug 2020, Stefan Ritt, Bug Report, data missing in runXXXXXX.mid
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> Both set to -1. We only have one logging channel. If we run a sequence with a few runs and the
> same settings, sometimes data is in the .mid file and sometimes it is not.
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10 Aug 2020, Ivo Schulthess, Bug Report, data missing in runXXXXXX.mid
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> Then I'm running out of ideas. Things I would check:
>
> - Are the file sizes about the same?
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10 Aug 2020, Stefan Ritt, Bug Report, data missing in runXXXXXX.mid
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> So I did a quick check. The file size is about the same (322K and 329K). When I dump the .mid I don't see
> the banks. It only prints two lines with "------ Event# 0 ------" and "------ Event# 1 ------" whereas for
> the file with data I get the two banks with all the data. Our online analyzer also fails to see the banks.
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10 Aug 2020, Ivo Schulthess, Bug Report, data missing in runXXXXXX.mid
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> with "dump" I meant a true object dump like "hexdump -C run000001.mid". I produced a file with ADC0 and TDC0
> banks (that's the example from the distribution under exampels/experiments/frontend.cxx), and I get
>
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10 Aug 2020, Stefan Ritt, Bug Report, data missing in runXXXXXX.mid
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| Have you tried longer files? Maybe a few 100 MB or so. Maybe a buffer is not flushed correctly at the end of a run. |
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10 Aug 2020, Ivo Schulthess, Bug Report, data missing in runXXXXXX.mid
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> Have you tried longer files? Maybe a few 100 MB or so. Maybe a buffer is not flushed correctly at the end of a run.
Yes, I did. This 7 KB of the data bank is about the limit. If we go only 1 KB higher it seems that we save all data. In
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10 Aug 2020, Pierre-Andre Amaudruz, Bug Report, data missing in runXXXXXX.mid
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> > > Dear all
> > >
> > > We just started our beam time at ILL and just found yesterday that for certain |
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10 Aug 2020, Pierre-Andre Amaudruz, Bug Report, data missing in runXXXXXX.mid
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> Have you tried longer files? Maybe a few 100 MB or so. Maybe a buffer is not flushed correctly at the end of a run.
Hi, |
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10 Aug 2020, Stefan Ritt, Bug Report, data missing in runXXXXXX.mid
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I have to reproduce the problem to fix it. Why don't you go and modify midas/examples/experiment/frontend.cxx in such a way that
it creates exactly the banks you have, just with random data. If you see the same problem, send me your frontend file so that I
can reproduce it. |
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11 Aug 2020, Konstantin Olchanski, Bug Report, data missing in runXXXXXX.mid
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> I have to reproduce the problem to fix it. Why don't you go and modify midas/examples/experiment/frontend.cxx in such a way that
> it creates exactly the banks you have, just with random data. If you see the same problem, send me your frontend file so that I
> can reproduce it.
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11 Aug 2020, Ivo Schulthess, Bug Report, data missing in runXXXXXX.mid
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> It would be good to pin point there the data is lost. This is the sequence:
>
> frontend user code -> mfe.c code -> SYSTEM buffer -> mlogger -> disk
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24 Mar 2022, Konstantin Olchanski, Bug Report, data missing in runXXXXXX.mid
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> > It would be good to pin point there the data is lost. This is the sequence:
> >
> > frontend user code -> mfe.c code -> SYSTEM buffer -> mlogger -> disk
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24 Mar 2022, Stefan Ritt, Bug Report, data missing in runXXXXXX.mid
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One idea: we should have a look at mlogger::close_channels(). There the SYSTEM buffer is emptied through the cm_yield() call. Instrumenting this with some
debugging code will enlighten us.
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24 Mar 2022, Konstantin Olchanski, Bug Report, data missing in runXXXXXX.mid
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> One idea: we should have a look at mlogger::close_channels().
> There the SYSTEM buffer is emptied through the cm_yield() call.
> Instrumenting this with some debugging code will enlighten us.
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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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20 Oct 2008, Suzannah Daviel, Bug Report, custom web pages: customscript buttons and start/stop buttons generate errors
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I am using an external Custom web page via a link in the ODB in /Custom, and
Javascript to add customscript button(s) and run start/stop buttons.
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29 Oct 2008, Stefan Ritt, Bug Report, custom web pages: customscript buttons and start/stop buttons generate errors
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To fix this problem, do the following:
- Update to the current SVN revision 4368 of mhttpd.c
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04 Nov 2008, Suannah Daviel, Bug Report, custom web pages: customscript buttons and start/stop buttons generate errors
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Thanks Stefan.
Your fix works nicely with the start/stop buttons not returning to the same or to a
different web page.
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09 Nov 2008, Stefan Ritt, Bug Report, custom web pages: customscript buttons and start/stop buttons generate errors
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> Thanks Stefan.
> Your fix works nicely with the start/stop buttons not returning to the same or to a
> different web page.
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