Experimental Physics and Industrial Control System
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Kay-Uwe Kasemir wrote:
On Apr 18, 2007, at 14:56 , Jeff Hill wrote:
You have the thread that has the AS lock and is calling rsrv where it is
taking its lock...
If it's a classic deadlock then we need to find the other half of the
bug.
I understand, but I can't get that information.
Try running the asInit command to reload the AS file in a background
task spawned using the vxWorks shell's 'sp' command - that way you don't
give up the shell and can run stack traces after the lockup.
You said you're seeing this on R3.14.7 and R3.14.8.2 - is there any
possibility of repeating this on R3.14.9 (or with Jeff's R3.14.9 patch
included at least)? I don't know the specifics of what might be
happening but it might be worth trying to prove that this isn't another
manifestation of the deadlock that Jeff already fixed before chasing it
further.
- Andrew
--
The right to be heard does not automatically include
the right to be taken seriously. -- Hubert H. Humphrey
- References:
- channel access security deadlock from asInit() Kay-Uwe Kasemir
- RE: channel access security deadlock from asInit() Jeff Hill
- nexplained hangup in semTake(), Re: channel access security deadlock from asInit() Kay-Uwe Kasemir
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ANJ, 10 Nov 2011 |
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