Re: OOM-killer and strange RSS value in 3.9-rc7

Han Pingtian
2013-04-17T08:46:26Z

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On Tue, Apr 16, 2013 at 01:16:42PM -0700, David Rientjes wrote:
> On Tue, 16 Apr 2013, Han Pingtian wrote:
>
> > Hi list,
> >
> > On a power7 system, we have installed 3.9-rc7 and crash 6.1.6. If I run
> > something like "make -j 64" to compile linux kernel from source, sooner
> > or latter, oom-killer will be triggered. Before that, when I trying to
> > analyse the live system with crash, some processes' %MEM and RSS looks
> > too big:
> >
>
> Do you have the oom killer log from /var/log/messages with
> /proc/sys/vm/oom_dump_tasks enabled? Have you tried to reproduce this
> issue with CONFIG_DEBUG_VM and CONFIG_DEBUG_PAGEALLOC enabled (you may
> even want to consider CONFIG_KMEMLEAK)?

I have enabled CONFIG_KMEMLEAK and recompiled kernel. This is the
/sys/kernel/debug/kmemleak after the reboot. Please have a look. Thanks.

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