 04 Jul 2024, Nick Hastings, Forum, mfe.cxx with RO_STOPPED and EQ_POLLED
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I just discovered https://bitbucket.org/tmidas/midas/issues/338/mfec-ro_stopped-is-now-forbidden
> Dear Midas experts,
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 26 Nov 2024, Nick Hastings, Bug Report, TMFE::Sleep() errors
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Hello,
I've noticed that SC FEs that use the TMFE class with midas-2022-05-c often report errors when calling TMFE:Sleep().
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01 Oct 2025, Nick Hastings, Forum, struct size mismatch of alarms
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> So I started our DAQ with an updated midas, after ca. 6 months+.
Would be worthwhile mentioning the git commit hash or tag you are using.
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01 Oct 2025, Nick Hastings, Forum, struct size mismatch of alarms
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Just to be clear, it seems that your "EPICS Frontend" was either not recompiled against the new midas yet or the old binary is being run, but "SC Frontend"
is using the new midas.
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19 Nov 2025, Nick Hastings, Forum, Control external process from inside MIDAS
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Hi,
what you describe is exactly how I normally run mhttpd, mlogger, mserver and some other
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20 Nov 2025, Nick Hastings, Forum, Control external process from inside MIDAS
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Hi,
> Nick. Regarding the messages: Zaher showed me that it is possible to simply place
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20 Nov 2025, Nick Hastings, Info, switch midas to c++17
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> I notice the cmake does not actually pass "-std=c++17" to the c++ compiler, and on U-20, it is likely
> the default c++14 is used. cmake always does the wrong thing and this will need to be fixed later.
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09 Apr 2026, Nick Hastings, Forum, Migrate Legacy code to current Midas version
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> I am an applied physicist at Canadian Nuclear Laboratories and am in the process
> of migrating the full experiment configuration—including the front-end interface—
> of the CRIPT muon tomography detector from a legacy version of MIDAS (SVN Rev.
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23 Apr 2026, Nick Hastings, Bug Report, increasing the max number of hot links in ODB 
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> Dear MIDAS experts,
>
> when I attempted to increase the max number of hotlinks in ODB , defined as
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27 Apr 2026, Nick Hastings, Bug Report, increasing the max number of hot links in ODB
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For the record, the ND280 (T2K near detector) MIDAS GSC was initially set up
with MAX_OPEN_RECORDS = 2560 and MAX_CLIENTS = 128.
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15 Feb 2017, NguyenMinhTruong, Bug Report, increase event buffer size
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Dear all,
I have problem in event buffer size.
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15 Feb 2017, NguyenMinhTruong, Bug Report, increase event buffer size
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Dear all,
I have problem in event buffer size.
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19 Feb 2017, NguyenMinhTruong, Bug Report, increase event buffer size
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I am sorry for my late reply memory in my PC is 16 GB I check the contents of .SHM_TYPE.TXT and it is "POSIXv2_SHM". But there is no buffer
sizes in "/Experiment" After run "ipcrm -M 0x4d040761 size0x204a3c", remove .SYSTEM.SHM and run MIDAS again, I still get error "Shared
memory segment with key 0x4d040761 already exists, please remove it manually: ipcrm -M 0x4d040761 size0x204a3c" M.T |
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20 Feb 2017, NguyenMinhTruong, Bug Report, increase event buffer size
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I am sorry for my late reply
memory in my PC is 16 GB
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04 Jan 2013, Nabin Poudyal, Suggestion, how to start using midas
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Please, tell me how to choose a value of a "key" like DCM, pulser period,
presamples, upper thresholds to run a experiment? where can I find the related
informations? |
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29 Apr 2024, Musaab Al-Bakry, Forum, Midas Sequencer with less than 1 second wait
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Hello there,
I am working on a task that involves some ODB changes that happen within 20-500
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05 May 2024, Musaab Al-Bakry, Forum, Midas Sequencer with less than 1 second wait
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> > Ok, I implemented the float second wait function. Internally it works in ms, so the maximum resolution is 0.001 s.
> >
> > Best,
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07 May 2024, Musaab Al-Bakry, Forum, Midas Sequencer with less than 1 second wait
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> Actually I realized that a 1ms wait still works, so I reduced it to that.
>
> Stefan
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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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09 Jun 2015, Michael McEvoy, Forum, Midas-MSCB SCS2000 integration
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I am using the MSCB SCS2000 to monitor slow control variables (temperatures, voltages, etc). I am trying to
get it set up at fermilab as a test stand in the MC1 building and was wondering if anyone has integrated
Midas with a MSCB SCS2000 before. We have two systems at fermilab, one system that is currently running
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