From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1161003AbWGMWae (ORCPT ); Thu, 13 Jul 2006 18:30:34 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1161004AbWGMWae (ORCPT ); Thu, 13 Jul 2006 18:30:34 -0400 Received: from mx1.redhat.com ([66.187.233.31]:11394 "EHLO mx1.redhat.com") by vger.kernel.org with ESMTP id S1161003AbWGMWad (ORCPT ); Thu, 13 Jul 2006 18:30:33 -0400 Date: Thu, 13 Jul 2006 18:30:29 -0400 From: Dave Jones To: Andrew Morton Cc: linux-kernel@vger.kernel.org, torvalds@osdl.org Subject: Re: memory corruptor in .18rc1-git Message-ID: <20060713223029.GD3371@redhat.com> Mail-Followup-To: Dave Jones , Andrew Morton , linux-kernel@vger.kernel.org, torvalds@osdl.org References: <20060713221330.GB3371@redhat.com> <20060713152425.86412ea3.akpm@osdl.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20060713152425.86412ea3.akpm@osdl.org> User-Agent: Mutt/1.4.2.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jul 13, 2006 at 03:24:25PM -0700, Andrew Morton wrote: > > I've up'd the speed of the serial console, in the hope that more chars > > make it over the wire before reboot should this happen again. > > Are you using SMP? We have a known slab locking bug. Yes, dual EM64T's with HT. > There have been a couple of slab.c patches committed today, but neither of > them appear to actually fix the bug. > > The below should fix it, and testing this (disable lockdep) would be > useful. I can give it a shot, but as it takes a while for this to manifest, I may not be able to say for certain whether it fixes it or not. Dave -- http://www.codemonkey.org.uk