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<== Date ==> <== Thread ==>

Subject: Re: IOC crash
From: Hinko Kocevar <hinkocevar@gmail.com>
To: Mark Rivers <rivers@cars.uchicago.edu>
Cc: "tech-talk@aps.anl.gov" <tech-talk@aps.anl.gov>
Date: Thu, 18 Jan 2018 18:17:58 +0000
Hi Mark,

I'll try to find the core file. Thanks for the tip. 

/Hinko


On Thu, 18 Jan 2018 at 13:31, Mark Rivers <rivers@cars.uchicago.edu> wrote:
Hi Hinko,


Since it generated a core file you should be able to do some more debugging with gdb.  For example what are the values of "size" and pMsg->postsize in caserverio.c?  You might be able to figure out what PV this is.


Mark



________________________________
From: tech-talk-bounces@aps.anl.gov <tech-talk-bounces@aps.anl.gov> on behalf of Hinko Kocevar <hinkocevar@gmail.com>
Sent: Thursday, January 18, 2018 4:55 AM
To: tech-talk@aps.anl.gov
Subject: IOC crash

Dear EPICS users,

here is the error I got from the IOC running EPICS base 3.15.4:


A call to 'assert(size <= ntohs ( pMsg->m_postsize ))'
    by thread 'CAS-event' failed in ../../../src/ioc/rsrv/caserverio.c line 357.
Dumping a stack trace of thread 'CAS-event':
[    0x7f4f3abf070b]:
/data/shi/R3.15.4/base/lib/linux-x86_64/libCom.so.3.15.4(epicsStackTrace+0x4b)
[    0x7f4f3abe9e1a]:
/data/shi/R3.15.4/base/lib/linux-x86_64/libCom.so.3.15.4(epicsAssert+0x3a)
[    0x7f4f3b0db512]:
/data/shi/R3.15.4/base/lib/linux-x86_64/libdbCore.so.3.15.4(cas_commit_msg+0x92)
[    0x7f4f3b0df468]:
/data/shi/R3.15.4/base/lib/linux-x86_64/libdbCore.so.3.15.4(read_reply+0x1d8)
[    0x7f4f3b0b82f4]:
/data/shi/R3.15.4/base/lib/linux-x86_64/libdbCore.so.3.15.4(event_task+0x1d4)
[    0x7f4f3abeaf5c]:
/data/shi/R3.15.4/base/lib/linux-x86_64/libCom.so.3.15.4(start_routine+0xdc)
[    0x7f4f38ca8e25]: /lib64/libpthread.so.0(start_thread+0xc5)
[    0x7f4f3931f34d]: /lib64/libc.so.6(clone+0x6d)
EPICS Release EPICS R3.15.4 $$Date$$.
Local time is 2018-01-18 11:27:33.597318519 CET
Please E-mail this message to the author or to tech-talk@aps.anl.gov
Calling epicsThreadSuspendSelf()
Thread CAS-event (0x7f4ef804c510) suspended
CAS: request from 127.0.0.1:48578 => bad resource ID
CAS: Request from 127.0.0.1:48578 => cmmd=2 cid=0x1ce3 type=34 count=1
postsize=0
CAS: Request from 127.0.0.1:48578 =>   available=0x1058 N=0 paddr=0x7f4ec000c5e8
CAS: forcing disconnect from 127.0.0.1:48578
Segmentation fault (core dumped)


Thanks,
Hinko
--
.. the more I see the less I believe.., AE AoR

Replies:
Re: IOC crash Michael Davidsaver
References:
IOC crash Hinko Kocevar
Re: IOC crash Mark Rivers

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