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

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Date:	Wed, 17 Apr 2013 16:46:16 +0800
From:	Han Pingtian <hanpt@...ux.vnet.ibm.com>
To:	linux-kernel@...r.kernel.org
Subject: Re: OOM-killer and strange RSS value in 3.9-rc7

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.


Download attachment "kmemleak.txt.xz" of type "application/x-xz" (25820 bytes)