Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756848AbYGRJMt (ORCPT ); Fri, 18 Jul 2008 05:12:49 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754301AbYGRJMh (ORCPT ); Fri, 18 Jul 2008 05:12:37 -0400 Received: from mx2.mail.elte.hu ([157.181.151.9]:40460 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753398AbYGRJMg (ORCPT ); Fri, 18 Jul 2008 05:12:36 -0400 Date: Fri, 18 Jul 2008 11:11:46 +0200 From: Ingo Molnar To: Pekka J Enberg Cc: linux-kernel@vger.kernel.org, netdev@vger.kernel.org, Vegard Nossum , "Rafael J. Wysocki" , cl@linux-foundation.org, davem@davemloft.net, johnpol@2ka.mipt.ru Subject: Re: [bug, netconsole, SLUB] BUG skbuff_head_cache: Poison overwritten Message-ID: <20080718091146.GQ6875@elte.hu> References: <20080717214222.GA29449@elte.hu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.18 (2008-05-17) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.5 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.2.3 -1.5 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 831 Lines: 21 * Pekka J Enberg wrote: > > Object 0xf658ae70: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk > > It's bit unfortunate that we don't see full dump of the corruption > here because SLUB limits the output to 128 bytes. Ingo, you might want > to try this patch so that we can see all of it: ok, applied this as a debug special to tip/out-of-tree - future incidents should have the full object dump. would makes sense for upstream too i think, or increase the limit to 4K or so. (which is still fair to be dumped into a syslog) Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/