Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S970513AbXEHXnX (ORCPT ); Tue, 8 May 2007 19:43:23 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S969798AbXEHXnI (ORCPT ); Tue, 8 May 2007 19:43:08 -0400 Received: from netops-testserver-3-out.sgi.com ([192.48.171.28]:37846 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S968116AbXEHXnH (ORCPT ); Tue, 8 May 2007 19:43:07 -0400 Date: Tue, 8 May 2007 16:43:05 -0700 (PDT) From: Christoph Lameter X-X-Sender: clameter@schroedinger.engr.sgi.com To: Kevin Winchester cc: Andrew Morton , linux-kernel@vger.kernel.org Subject: Re: 2.6.21-mm1 and now 2.6.21-git: SLUB Crashes on boot In-Reply-To: <464108CC.3060604@gmail.com> Message-ID: References: <20070505014955.8f3990b5.akpm@linux-foundation.org> <4640FE35.2070605@gmail.com> <464108CC.3060604@gmail.com> MIME-Version: 1.0 Content-Type: MULTIPART/MIXED; BOUNDARY="-1700579579-1558832318-1178667785=:16372" Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1251 Lines: 37 This message is in MIME format. The first part should be readable text, while the remaining parts are likely unreadable without MIME-aware tools. ---1700579579-1558832318-1178667785=:16372 Content-Type: TEXT/PLAIN; charset=ISO-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE On Tue, 8 May 2007, Kevin Winchester wrote: > Here's the dmesg of the slub_debug run, I'll try the patch next: Ok someone wrote to an object after it was freed. Not slubs problem. > [ 1.367129] Object 0xffff810001bdecd0: 80 b7 b1 01 00 81 ff ff 6b= 6b > 6b 6b 6b 6b 6b 6b .=B7=B1...kkkkkkkk The first 8 bytes of the freed object were overwritten. > [ 1.374455] Last alloc: cryptomgr_notify+0x28/0x190 jiffies_ago=3D0 cp= u=3D0 > pid=3D1 > [ 1.374611] Last free : cryptomgr_probe+0x85/0xb0 jiffies_ago=3D0 cpu= =3D0 > pid=3D405 Here are some potential candidates that have recently handled the object.= =20 That was less than a jiffy ago. So very recent. ---1700579579-1558832318-1178667785=:16372-- - 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/