linux-kernel - Re: system death under oom

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Date:	Mon, 1 Apr 2013 20:14:01 +0000
From:	Christoph Lameter <cl@...ux.com>
To:	Ilia Mirkin <imirkin@...m.mit.edu>
cc:	linux-kernel@...r.kernel.org, nouveau@...ts.freedesktop.org,
	linux-mm@...ck.org
Subject: Re: system death under oom - 3.7.9

On Wed, 27 Mar 2013, Ilia Mirkin wrote:

> The GPF happens at +160, which is in the argument setup for the
> cmpxchg in slab_alloc_node. I think it's the call to
> get_freepointer(). There was a similar bug report a while back,
> https://lkml.org/lkml/2011/5/23/199, and the recommendation was to run
> with slub debugging. Is that still the case, or is there a simpler
> explanation? I can't reproduce this at will, not sure how many times
> this has happened but definitely not many.

slub debugging will help to track down the cause of the memory corruption.
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