Experimental Physics and
Industrial Control System

"Ernest L. Williams Jr." <[email protected]> · Tue, 06 Nov 2007 08:43:53 -0800

Hi,

While at the SNS we used procServ, developed by Dave Thompson.
procServ works really well.

After reading Ralph's posting, I am convinced we should pursue Conserv
as well.

Thanks,
Ernest
SLAC/LCLS 

On Thu, 2007-11-01 at 11:36 -0700, Allison, Stephanie wrote:
> Hi Marco,
> 
> I see this failure when the soft ioc failed to start.  There are other system-related reasons. 
> 
> Currently, the LCLS group at SLAC is changing to no longer start soft IOCs using the SLAC version of iocConsole and instead will use something called procServ - Ernest can give details.  Apparently, the soft IOC can freeze while somebody is paging up and down inside of screen - I've not reproduced it and debugged it though.   I also see that Ralph Lange uses something called conServer which looks interesting:
> http://epics.aps.anl.gov/epics/wiki/index.php/How_to_Set_Up_Console_Access_and_Logging_for_VME_and_Soft_IOCs
> 
> Sorry I cannot be more help,
> 
> Stephanie Allison
> 
> > -----Original Message-----
> > From: [email protected] 
> > [mailto:[email protected]] On Behalf Of marco_hair
> > Sent: Thursday, November 01, 2007 5:29 AM
> > To: tech-talk
> > Subject: question about iocConsole
> > 
> > hi,all:
> > 
> > I am trying iocConsole which was downloaded from 
> > http://www.slac.stanford.edu/comp/unix/package/epics/extension
> > s/iocConsole/. while I met some problems.
> > If I ran the command" iocConsole ioc1"(ioc1 is defined in 
> > screenioc file), I got following messages:
> > 
> > iocScreen: iocScreenStart.pl 
> > /home/geyang/epicsApp2/iocBoot/iocbbb/epicsApp2.sh sioc ioc2 0
> > command failed: -1 at 
> > /usr/local/epics/extensions/bin/linux-x86/iocScreen.pl line 78.
> > 
> > line 78 in iocScreen.pl is like this:
> > die "command failed: $?" unless $status ==0; 
> > 
> > After I modified iocScreen.pl to change iocScreenStart's path as this:
> > $iocScreenStart= 
> > "/usr/local/epics/extensions/bin/linux-x86/iocScreenStart.pl"; 
> > 
> > iocConsole can go down and got following messages:
> > iocScreen: 
> > /usr/local/epics/extensions/bin/linux-x86/iocScreenStart.pl 
> > /home/geyang/epicsApp2/iocBoot/iocbbb/epicsApp2.sh sioc ioc2 0
> > cd .;umask 000;/usr/bin/screen -d -m -S ioc2 -t ioc2 
> > siocStart.pl 
> > /home/geyang/epicsApp2/iocBoot/iocbbb/epicsApp2.sh st.cmd ioc2 0
> > screen -list ioc2: No Sockets found in /var/run/screen/S-root.
> > 
> > Timeout waiting for Multiuser session 
> > /home/geyang/epicsApp2/iocBoot/iocbbb/epicsApp2.sh st.cmd ioc2 0
> > command failed: 65280 at 
> > /usr/local/epics/extensions/bin/linux-x86/iocScreen.pl line 78.
> > Connection to 10.10.18.55 closed.
> > 
> > Can anybody gives me some suggestions? thanks a lot in advance.
> > 
> > Best wishes
> > Geyang 2007/11/1
> > 
> > 
> > 
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Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System