From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753642AbYDOVZZ (ORCPT ); Tue, 15 Apr 2008 17:25:25 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932697AbYDOVYu (ORCPT ); Tue, 15 Apr 2008 17:24:50 -0400 Received: from mx2.mail.elte.hu ([157.181.151.9]:39653 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932513AbYDOVYt (ORCPT ); Tue, 15 Apr 2008 17:24:49 -0400 Date: Tue, 15 Apr 2008 23:24:30 +0200 From: Ingo Molnar To: Linus Torvalds Cc: Pekka Enberg , Christoph Lameter , linux-kernel@vger.kernel.org, Mel Gorman , Nick Piggin , Andrew Morton , "Rafael J. Wysocki" , Yinghai.Lu@sun.com, apw@shadowen.org, KAMEZAWA Hiroyuki Subject: Re: [bug] SLUB + mm/slab.c boot crash in -rc9 Message-ID: <20080415212430.GA5467@elte.hu> References: <20080415161532.GA15088@elte.hu> <20080415195430.GA23015@elte.hu> <20080415201734.GA25628@elte.hu> <4805115D.5030703@cs.helsinki.fi> <20080415204025.GA29784@elte.hu> <20080415211359.GA1531@elte.hu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20080415211359.GA1531@elte.hu> User-Agent: Mutt/1.5.17 (2007-11-01) 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 * Ingo Molnar wrote: > ok, will try that now. btw., as i progress with that bisection effort, i triggered new crash patterns, which lappen later during bootup: [ 0.775886] initcall 0xc0b00559 ran for 0 msecs: ksysfs_init+0x0/0x96() [ 0.777885] Calling initcall 0xc0b01eb8: filelock_init+0x0/0x27() [ 0.780137] BUG: unable to handle kernel NULL pointer dereference at 00000001 [ 0.782883] IP: [] strlen+0xb/0x15 [ 0.784884] *pde = 00000000 [ 0.786889] Oops: 0000 [#1] SMP [ 0.787880] [ 0.787880] Pid: 1, comm: swapper Not tainted (2.6.24-05281-g6232665 #3) [ 0.787880] EIP: 0060:[] EFLAGS: 00010286 CPU: 0 [ 0.787880] EIP is at strlen+0xb/0x15 [ 0.787880] EAX: 00000000 EBX: 00040000 ECX: ffffffff EDX: 00040000 [ 0.787880] ESI: c0915320 EDI: 00000001 EBP: f7c23f08 ESP: f7c23f04 [ 0.787880] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 [ 0.787880] Process swapper (pid: 1, ti=f7c22000 task=f7c20000 task.ti=f7c22000) [ 0.787880] Stack: f7c1f540 f7c23f18 c015b138 00000094 c016b45a f7c23f48 c015c92c c016b45a [ 0.787880] 00000025 c0915320 f7c1f540 000000d0 f7c23f58 00000282 f7c1f540 00000000 [ 0.787880] 00000000 f7c23f84 c015cbc8 00000060 00000000 00040000 c016b45a c0133e81 [ 0.787880] Call Trace: [ 0.787880] [] ? kmem_cache_flags+0x3d/0x5b [ 0.787880] [] ? init_once+0x0/0xc [ 0.787880] [] ? kmem_cache_open+0x64/0x128 [ 0.787880] [] ? init_once+0x0/0xc [ 0.787880] [] ? kmem_cache_create+0x14e/0x1d6 [ 0.787880] [] ? init_once+0x0/0xc [ 0.787880] [] ? ktime_get_ts+0x3b/0x3f [ 0.787880] [] ? ktime_get+0x11/0x2f [ 0.787880] [] ? filelock_init+0x1e/0x27 [ 0.787880] [] ? init_once+0x0/0xc [ 0.787880] [] ? kernel_init+0x13f/0x298 [ 0.787880] [] ? ret_from_fork+0x6/0x20 [ 0.787880] [] ? kernel_init+0x0/0x298 [ 0.787880] [] ? kernel_init+0x0/0x298 [ 0.787880] [] ? kernel_thread_helper+0x7/0x10 [ 0.787880] ======================= [ 0.787880] Code: 5d c3 55 89 e5 56 89 c6 89 d0 88 c4 ac 38 e0 74 09 84 c0 75 f7 be 01 00 00 00 89 f0 48 5e 5d c3 55 89 e5 57 89 c7 31 c0 83 c9 ff ae f7 d1 49 89 c8 5f 5d c3 55 89 e5 57 89 c7 89 d0 31 d2 85 [ 0.787880] EIP: [] strlen+0xb/0x15 SS:ESP 0068:f7c23f04 [ 0.787906] ---[ end trace ca143223eefdc828 ]--- [ 0.788890] Kernel panic - not syncing: Attempted to kill init! [ 0.789899] Rebooting in 10 seconds.. Ingo