From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx102.postini.com [74.125.245.102]) by kanga.kvack.org (Postfix) with SMTP id 3C8F26B0006 for ; Mon, 1 Apr 2013 16:14:03 -0400 (EDT) Date: Mon, 1 Apr 2013 20:14:01 +0000 From: Christoph Lameter Subject: Re: system death under oom - 3.7.9 In-Reply-To: Message-ID: <0000013dc73c284d-29fd15db-416b-40cc-81b6-81abc5bd3c02-000000@email.amazonses.com> References: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org List-ID: To: Ilia Mirkin Cc: linux-kernel@vger.kernel.org, nouveau@lists.freedesktop.org, linux-mm@kvack.org 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. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org