From: Shaun.Racine@intier.com
Date: Tue Dec 30 2003 - 05:56:06 EST
Hello managers,
DS10
Tru64 V5.1A patch T64V51AB21AS0004-20030206 OSF520
This question about ps hanging comes up quite regularly on the list. But
here is a list of all symptoms found on my system;
ps hangs
fuser hangs
w hangs (after showing 2 users - but "who" does show all the users)
In the /proc directory, ls without options shows filename 46820, but ls -l
complains
ls: ./46820 not found
kill -9 46820 says no such process
I do have options RPTY in the kernel. /proc is mounted.
The normal answer is to reboot, not possible at the moment. However,
previous answers related to version 4.0x, and said this is fixed in 5.0x.
Other answers suggest removing options RPTY from the kernel. I look after
6 Tru64 servers at various locations, none of the others suffer this
problem and they all seem to be configured the same, apart from 3 being
ES40, 1 AS4000 but 1 other DS10.
What is the implication of removing RPTY from the kernel? (why is it
there?)
Why are /sbin/ps and /usr/bin/ps different binaries?
Maybe it is a flag/semaphore issue?
This happens about every other month, does anyone else suffer this problem?
I welcome all ideas and suggestions.
Best regards,
Shaun Racine
Systems Development Manager
email: shaun.racine@intier.com
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