Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753259AbYGUM6Y (ORCPT ); Mon, 21 Jul 2008 08:58:24 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751427AbYGUM6K (ORCPT ); Mon, 21 Jul 2008 08:58:10 -0400 Received: from relay.2ka.mipt.ru ([194.85.80.65]:50657 "EHLO 2ka.mipt.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750847AbYGUM6J (ORCPT ); Mon, 21 Jul 2008 08:58:09 -0400 Date: Mon, 21 Jul 2008 16:57:47 +0400 From: Evgeniy Polyakov To: Ingo Molnar Cc: Pekka Enberg , linux-kernel@vger.kernel.org, netdev@vger.kernel.org, Vegard Nossum , "Rafael J. Wysocki" , cl@linux-foundation.org, davem@davemloft.net Subject: Re: [bug, netconsole, SLUB] BUG skbuff_head_cache: Poison overwritten Message-ID: <20080721125747.GA3056@2ka.mipt.ru> References: <20080717214222.GA29449@elte.hu> <20080718091146.GQ6875@elte.hu> <20080721094110.GA16029@elte.hu> <84144f020807210252k68d5cf65i8c7ae3c11cecc046@mail.gmail.com> <20080721100627.GA5953@2ka.mipt.ru> <20080721105051.GA5830@elte.hu> <20080721112515.GA4777@2ka.mipt.ru> <20080721115555.GA24176@elte.hu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20080721115555.GA24176@elte.hu> User-Agent: Mutt/1.5.9i Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1443 Lines: 33 On Mon, Jul 21, 2008 at 01:55:55PM +0200, Ingo Molnar (mingo@elte.hu) wrote: > > > I could try run tests with netconsole deactivated, if you think > > > that's a worthwile line of probing this problem. (although that > > > would make me do blind tests in essence - having kernel log output > > > is really essential.) > > > > Let's try this way first. If system will continue to crash, we will > > add some debug options in various pathes. Existing reports do not > > contain enough information unfortunately, so we will not lose too > > much. > > ok. I've turned off netconsole - 8 successful bootups in a row so far. > The box is a slow booter/builder with an 8 kernels/hour test throughput, > so if everything goes fine we should have meaningful results in about 10 > hours. > > ( there are other, faster testboxes in -tip testing with 33 kernels/hour > build+boot throughput where we'd have to wait only 2 hours - but as > per Murphy's law they dont trigger this bug ;-) Since 2.6.25 there was only single change in netpoll.c: f5184d267c1aedb9b7a8cc44e08ff6b8d382c3b5 Which looks innocent. Is your driver e1000 or e1000e? Can you check different one? -- Evgeniy Polyakov -- 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/