From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755561AbZBQXVn (ORCPT ); Tue, 17 Feb 2009 18:21:43 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755293AbZBQXV3 (ORCPT ); Tue, 17 Feb 2009 18:21:29 -0500 Received: from mail-ew0-f21.google.com ([209.85.219.21]:37881 "EHLO mail-ew0-f21.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755471AbZBQXV0 (ORCPT ); Tue, 17 Feb 2009 18:21:26 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:content-type:content-transfer-encoding; b=V+M7sdzLfBGWbsSETsJxNfP07l/c62Kb24OBunsgHDkRi2K05KFVximlpfsXGWWCju YplDCDFl20430wrHyifZqVF7IS1Fo4ginf0KIe5HfAmKvcndE/sr4B8IRzwxQ+yIabpZ 2Px2CM9pWGksIixST2ZvvuoqIeBbJr8FGaCXM= Message-ID: <499B465D.9080502@gmail.com> Date: Wed, 18 Feb 2009 00:21:01 +0100 From: Jiri Slaby User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1b3pre) Gecko/20090208 SUSE/3.0b1-7.1 Thunderbird/3.0b2pre MIME-Version: 1.0 To: linux-kernel@vger.kernel.org CC: mm-commits@vger.kernel.org, akpm@linux-foundation.org, Ingo Molnar , "H. Peter Anvin" , tglx@linutronix.de, x86@kernel.org Subject: Re: mmotm 2009-02-17-12-33 uploaded References: <200902172050.n1HKorvc028933@imap1.linux-foundation.org> In-Reply-To: <200902172050.n1HKorvc028933@imap1.linux-foundation.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 17.2.2009 21:33, akpm@linux-foundation.org wrote: > The mm-of-the-moment snapshot 2009-02-17-12-33 has been uploaded to Hi, I'm getting the page fault below everytime during bootup. This is how __task_rq_lock looks like: for (;;) { struct rq *rq; printk("CPU=%u %p %p %p %s\n", task_cpu(p), p, task_thread_info(p)->task, task_thread_info(p), p->comm); rq = task_rq(p); spin_lock(&rq->lock); if (likely(rq == task_rq(p))) return rq; spin_unlock(&rq->lock); } CPU=2303197184 ffff880012497d90 b8005f57df1d8948 ffffffff80262d0a migration/0 BUG: unable to handle kernel paging request at 00000003cabbb780 IP: [] __sched_setscheduler+0x17b/0x4a0 PGD 0 Oops: 0000 [#1] SMP last sysfs file: CPU 0 Modules linked in: Pid: 1, comm: swapper Not tainted 2.6.29-rc5-mm1_64 #578 RIP: 0010:[] [] __sched_setscheduler+0x17b/0x4a0 RSP: 0018:ffff880012497cc0 EFLAGS: 00000086 RAX: 0000000089480000 RBX: ffffffff80262d0a RCX: 00000000ffffffff RDX: 000000000000d7d7 RSI: 0000000000000046 RDI: ffffffff80835334 RBP: ffff880012497d30 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000010180 R13: 0000000000000000 R14: ffff880012497d90 R15: 0000000000010180 FS: 0000000000000000(0000) GS:ffff880001007000(0000) knlGS:0000000000000000 CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b CR2: 00000003cabbb780 CR3: 0000000000201000 CR4: 00000000000006e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000 Process swapper (pid: 1, threadinfo ffff880012496000, task ffff880012478000) Stack: 0000000000000000 ffff880012497dc0 ffff880012498270 ffffffff12478000 0000000000000000 ffffffff80262d0a ffff8800124980f0 0000000000000046 0000000000000246 ffff880012497d50 ffffffff806f1065 0000000000000000 Call Trace: [] ? tick_check_broadcast_device+0x3a/0x70 [] sched_setscheduler_nocheck+0xb/0x10 [] kthread_create+0xe7/0x120 [] ? migration_thread+0x0/0x230 [] ? tick_check_broadcast_device+0x3a/0x70 [] ? tick_notify+0x369/0x410 [] ? migration_init+0x0/0x5c [] migration_call+0x376/0x4ed [] ? migration_init+0x0/0x5c [] migration_init+0x26/0x5c [] ? migration_init+0x0/0x5c [] do_one_initcall+0x3c/0x170 [] ? native_smp_prepare_cpus+0x1c0/0x311 [] kernel_init+0x76/0x1bc [] child_rip+0xa/0x20 [] ? kernel_init+0x0/0x1bc [] ? child_rip+0x0/0x20 Code: 69 3a 00 49 8b 5e 08 4c 8b 45 08 48 8b 0b ba db 08 00 00 48 c7 c6 e0 4a 6e 80 48 c7 c7 ce 99 6e 80 31 c0 e8 0b 69 3a 00 8b 43 18 <4c> 03 24 c5 80 b7 7b 80 4c 89 e7 e8 e5 97 3a 00 49 8b 5e 08 31 RIP [] __sched_setscheduler+0x17b/0x4a0 RSP CR2: 00000003cabbb780 ---[ end trace 4eaa2a86a8e2da22 ]---