Experimental Physics and
Industrial Control System

Pete Jemian <[email protected]> · Wed, 13 Oct 2010 12:00:08 -0500

The other PC, is it also running Windows or a different OS?
Windows IOC PC: What version of Windows?
My hypothesis here is to challenge the Windows client network interface
for some periodic reconfiguration of its service. Just suspicious.
Pete
On 10/13/2010 11:25 AM, Tim Mooney wrote:

Mark, is caRepeater running on the PC?
Tim
On 10/13/2010 11:14 AM, Mark Rivers wrote:

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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 Pete R. Jemian, Ph.D.                <[email protected]>
 Beam line Controls and Data Acquisition, Group Leader
 Advanced Photon Source,   Argonne National Laboratory
 Argonne, IL  60439                   630 - 252 - 3189
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    Education is the one thing for which people
       are willing to pay yet not receive.
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Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System