Re: system death under oom - 3.7.9

From: Christoph Lameter
Date: Mon Apr 01 2013 - 16:14:11 EST


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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