Experimental Physics and Industrial Control System
Hi Mark,
This is the first I have heard of any issues the ca repeater crashing.
Is this running under cygwin or mingw? Compiled by ms visual c or gnu?
The stack trace has no symbols so it's hard to determine a cause. If you
could fire up the relevant debugger and get a stack trace with symbols that
would help. You might need to build base for debugging. Set HOST_OPT=YES in
CONFIG_SITE. Also, if you save the debugging session in visual c++ and email
it to me I might be able to identify the issue.
Jeff
______________________________________________________
Jeffrey O. Hill Email [email protected]
LANL MS H820 Voice 505 665 1831
Los Alamos NM 87545 USA FAX 505 665 5107
Message content: TSPA
> -----Original Message-----
> From: Mark Rivers [mailto:[email protected]]
> Sent: Monday, October 18, 2010 7:58 PM
> To: tech-talk; Jeff Hill
> Cc: Antonio Lanzirotti
> Subject: RE: EPICS CA problems
>
> Folks,
>
> I learned today that it appears that caRepeater has been crashing on
> this system. I don't know for sure that this problem happens when
> caRepeater has died, but that seems likely. The next time it happens
> we will look to see if caRepeater is still running.
>
> Meanwhile, we have found that there are caRepeater stackdump files,
> containing the following:
>
> Exception: STATUS_ACCESS_VIOLATION at eip=610B9F69
> eax=00000000 ebx=00000001 ecx=00000000 edx=0014C6F0 esi=00000000
> edi=011DCCD8
> ebp=011DCB14 esp=011DCAEC program=C:\Program Files\EPICS WIN32
> Extensions\caRepeater.exe, pid 2152, thread unknown (0xC44)
> cs=001B ds=0023 es=0023 fs=003B gs=0000 ss=0023
> Stack trace:
> Frame Function Args
> 011DCB14 610B9F69 (00000000, 00000000, 00000000, 00000000)
> 011DCC24 610BA905 (00000000, 00000000, 00000000, 00000000)
> 011DCCE4 610BB67A (FFFFFFFF, FFFFFFFF, 00000000, 00000000)
> 011DCD34 61027DE2 (00000002, 011DCE64, 00000002, 011DCE00)
> 011DCDC8 7C87655C (00000002, 011DCE00, 7C8763C0, 00000002)
> End of stack trace
>
> Has anyone else seen such stackdumps from caRepeater? This is the
> version of caRepeater.exe that is included in the most recent (Nov. 2,
> 2007) APS "EPICS Win32 Extensions" package.
>
> Thanks,
> Mark
>
>
> ________________________________
>
> From: Mark Rivers
> Sent: Wed 10/13/2010 11:14 AM
> To: tech-talk; 'Jeff Hill'
> Cc: Antonio Lanzirotti
> Subject: EPICS CA problems
>
>
>
> Folks,
>
> We are having trouble with a Windows IOC at NSLS. Here are the
> symptoms:
>
> - The IOC is running fine
>
> - The PC running the IOC has 2 local CA clients connected to the IOC,
> medm and IDL. Occassionally (1-2 times per day) one of these clients
> loses its connection to the IOC. Medm screens go white, IDL says it
> cannot find a PV, etc. This happens when the client was running fine.
> It typically only happens to one or the other client, not to both.
>
> - Restarting the client fixes the problem.
>
> - The same 2 clients are running on another PC connected to the same
> IOC. Those clients are always fine, they do not lose connection when a
> client on the PC with the IOC does.
>
> - Looking at the resources on the Windows machine (CPU, virtual and
> physical memory usage) does not indicate any problems.
>
> How do we go about figuring out what is wrong?
>
> Thanks,
> Mark
>
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