[Clas_offline] GSIM problem (in ifarm1402 i.e. CentOS 7.2.1511)

Will Phelps wphelps at jlab.org
Fri Apr 7 14:23:54 EDT 2017


Hello Krishna and Nikolai,
I tried to reproduce your results and I have not succeeded yet. So far I am putting everything here: /work/clas/clasg12/wphelps/gsim_test/

I’ve tried my standard MC script (w/100 events) with centos65 on ifarm1101 and centos7 on ifarm1401 and the full simulation/reconstruction chain seems to be working. In addition I tried Nikolai’s ffread card and I am now running 10k events to see if it’s a problem that manifests later in the program’s runtime(Even though it looks like it segfaults before processing 1 event from krishna’s output). It has already made it to 5k events.

Do you guys have a MC script that I can run to reproduce the errors? My mc scripts and ffread cards are in the directory I listed above, and also an output log.
Thanks,
-Will

> On Apr 7, 2017, at 5:10 AM, Nikolai Pivnyuk <pivnyuk at jlab.org> wrote:
> 
> I have got
> absolutely the same problems on both farms ifarm1101 and ifarm1401.
> ----------------------------------------------------------------
> ifarm1101 : /group/clas/builds/centos65/trunk/build/bin/gsim_bat ...
> ifarm1401 : /group/clas/builds/centos7/trunk/build/bin/gsim_bat ...
> 
> See corresponding printouts in
> "loggsim_centos65" and "loggsim_centos7" in the directory :
> /lustre/expphy/volatile/clas/clasg10/pivnyuk/g10_may_2014/gsim_try
> 
> FFREAD file "ffread2250.in" is also available in there.
> 
> 
> 
> 
> 
>> Dear all,
>> 
>> Has anyone of you tried running GSIM lately (preferably in CentOS 7)?
>> 
>> I was trying to run GSIM in ifarm1402 (CentOS 7.2.1511) and my "gsim_bat"
>> crashes after a while giving a "segmentation fault" message as follows
>> after it seemed like it was working fine. Here is the copy of the end part
>> of the screen printout when I was running the gsim in the terminal:
>> 
>> ===================== End part of the terminal output ===========
>> ......
>> ......
>> * BCUTE =100.00 keV BCUTM =100.00 keV *
>> 
>> Program received signal SIGSEGV: Segmentation fault - invalid memory
>> reference.
>> 
>> Backtrace for this error:
>> #0 0x7F0ABEA42467
>> #1 0x7F0ABEA42AAE
>> #2 0x7F0ABDF4966F
>> #3 0x7F0ABDFA913F
>> #4 0x625CC5 in ctimef_
>> #5 0x41DF05 in gsim par_2_bos_
>> #6 0x409B61 in uginit_
>> #7 0x4059B6 in MAIN__ at gsim _bat.F:?
>> 
>> ===================== End part of the terminal output ===========
>> 
>> If you are interested in seeing the full terminal output of the gsim run,
>> I have produced a log file ' gsim _run.log', which is at
>> https://userweb.jlab.org/~adhikari/Tmp2/gsim_run.log
>> 
>> Could you please give it a quick look so that you may get some clue as to
>> how I could solve this problem?
>> Any help will be greatly appreciated.
>> 
>> Thank you.
>> With best regards,
>> Krishna
>> 
>> 
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