Hi Mark,
Thanks for the hint!
I will try the the commands when it happens next time.
And I can ping the IOC from the OPI client as normal when that happens.
Regards,
zhang
-----邮件原件-----
发件人: Mark Rivers [mailto:[email protected]]
发送时间: 2009年4月20日 21:25
收件人: ???; [email protected]
主题: RE: Problems using the sscan record
It sounds like some task may be crashing in the IOC.
Since commands like dbl are working, you should do command like the
following:
i
checkStack
mbufShow
You need to figure out if a task has stopped, if the network stack is not
working, etc.
Can you ping the IOC when that happens?
Mark
________________________________
From: [email protected] on behalf of ???
Sent: Sun 4/19/2009 11:41 PM
To: [email protected]
Subject: Problems using the sscan record
Hi all,
We have some problem in using sscan records with one motor as one positioner
and one ADC value from the detector.
Hardware: VME+MVME5500+MAXv-8000
Software: EPICS base3.14.8+MotorR6-2-2+Sscan from synApps5_2 + (some
transform records)
The problem happens frequently when the scan is processing . When it
happens:
1. All the PVs on the EDM interface are connected, but no motor (residing in
this IOC) has any response to the new setting value of its Motor.DVAL. It
seems the IOC doesn't accept command from OPI any more;
2. The commands like 'dbl' are still working normally on the minicom
console;
3. The network between OPI and IOC is ok;
4. When restart the IOC by typing the 'reboot' command on the minicom
console, the IOC can't be recovered normally.
5. The IOC have to be restarted by powering off and on.
We also tried to split sscan to a PC/Linux/IOC, the problems still appear.
Any suggestion and idea are welcomed.
Zhaohong
============================================
ZhaoHong Zhang
Beamline control group Dept. of Beamline Engineering
Shanghai Synchrotron Radiation Facility(SSRF)
Shanghai Institute of Applied Physics
Chinese Academy of Sciences
239 Rd.Zhangheng,Pudong,Shanghai 201203
China
Tel: 021-33933238
Email: [email protected] <mailto:[email protected]>
=============================================
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