Experimental Physics and Industrial Control System
Hi John,
There was a Nov 2007 thread on a similar topic:
http://www.aps.anl.gov/epics/tech-talk/2007/msg01376.php
We still use screen here and we still have the problem (I think sys$output is blocked while scrolling?) and I haven't found a workaround. I'd be interested if anyone knows of a solution.
At some point, we will look at Ralph Lange's setup:
http://epics.aps.anl.gov/epics/wiki/index.php/How_to_Set_Up_Console_Access_and_Logging_for_VME_and_Soft_IOCs
Stephanie Allison
> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]] On Behalf Of John Dobbins
> Sent: Friday, April 18, 2008 10:22 AM
> To: EPICS Tech-Talk
> Subject: epics IOC and gun screen and copy/scrollback mode
>
> Dear All,
>
> When running an EPICS IOC inside GNU Screen we have noticed
> that if one
> enters the copy/scrollback mode an odd thing happens. The IOC
> continues
> to serve channels access requests but the data acquisition itself
> appears to be suspended. When someone accidentally leaves a screen
> session in the copy/scrollback mode we see that the PVs in
> that IOC are
> effectively frozen. If you then go to the screen session and exit
> copy/scrollback mode normal behavior resumes.
>
> Have others seen this behavior? If so is there a known fix?
>
> Regards,
>
> John Dobbins
> Cornell University
> Lab for Elementary Particle Physics
>
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