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SubjectRe: 2.6.39-rc4+: oom-killer busy killing tasks
On 2011.04.29 at 12:58 -0700, Christian Kujau wrote:
> On Fri, 29 Apr 2011 at 09:37, Dave Chinner wrote:
> > Did you read the email that pointed to CONFIG_TINY_RCU as the
> > ptotential source of the problem? Can you change to CONFIG_TREE_RCU
> > and see if the problem goes away?
>
> Tried with TREE_RCU, unfortunately the problem persists. However, the OOM
> messages did not make it to the disk this time. Syslog continued to work
> until 11:51 (local time), the slabinfo-8-TREE_RCU.txt file was written to
> until 11:57, the machine was already unusable at that point. At 12:07 I
> took a "screenshot" and then powercycled the machine:
>
> http://nerdbynature.de/bits/2.6.39-rc4/oom/
> (The files marked with -8 are the current ones)
>
> Btw, the xfs filesystem I'm du'ing over is still mounted with "noatime".
>
> Any ideas? Patches to try?

I could be the hrtimer bug again. Would you try to reproduce the issue
with this patch applied?
http://git.us.kernel.org/?p=linux/kernel/git/tip/linux-2.6-tip.git;a=commit;h=ce31332d3c77532d6ea97ddcb475a2b02dd358b4

--
Markus


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