From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753111AbYGMIQZ (ORCPT ); Sun, 13 Jul 2008 04:16:25 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751144AbYGMIQJ (ORCPT ); Sun, 13 Jul 2008 04:16:09 -0400 Received: from rv-out-0506.google.com ([209.85.198.237]:31766 "EHLO rv-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750989AbYGMIQD (ORCPT ); Sun, 13 Jul 2008 04:16:03 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:mime-version:content-type :content-transfer-encoding:content-disposition; b=xLmlLvn0tdqG/mdp9xzH+JK+nmQoYnOcvm2TPk8wo6ORzmEcFHS18jtU2dbXu5RKSC mWgoI8elm0yRNIGZ1XjZtj7CdS1Et8LZFJ9yp1/utvkSRcGZ3/5acwSSIVFUuvRB4QIR epn5+rx+i1uCT7fOUar5c8K3tIbdx4sDFNbac= Message-ID: <86802c440807130116u3b850485jec220bc15892873e@mail.gmail.com> Date: Sun, 13 Jul 2008 01:16:01 -0700 From: "Yinghai Lu" To: "Ingo Molnar" , LKML , "Mike Travis" Subject: per-cpu related? MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org calling pcie_portdrv_init+0x0/0x77 BUG: unable to handle kernel NULL pointer dereference at 0000000000000000 IP: [] hrtick_start_fair+0x8e/0x178 PGD 0 Oops: 0000 [1] SMP CPU 4 Modules linked in: Pid: 103, comm: events/4 Not tainted 2.6.26-rc9-tip-01834-g99e624f-dirty #354 RIP: 0010:[] [] hrtick_start_fair+0x8e/0x178 RSP: 0018:ffff88082486dbd0 EFLAGS: 00010046 RAX: 0000000000000000 RBX: ffff880824870000 RCX: 0000000000000006 RDX: ffff88084423e700 RSI: ffff880824870000 RDI: ffff88084423e700 RBP: ffff88082486dc00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff88084423e700 R13: ffff880844239700 R14: ffff880824870000 R15: 0000000000000c18 FS: 0000000000000000(0000) GS:ffff881024c3a600(0000) knlGS:0000000000000000 CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b CR2: 0000000000000000 CR3: 0000000000201000 CR4: 00000000000006e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process events/4 (pid: 103, threadinfo ffff88082486c000, task ffff880824864230) Stack: ffff880844248118 0000000060ce4c84 ffff880844239700 ffff880824955878 ffff88084423e700 0000000000000000 ffff88082486dc40 ffffffff80258339 ffff88082486dc30 ffffffff805196dd 0000000060ce4c84 ffff880824955840 Call Trace: [] dequeue_task_fair+0x64/0x83 [] ? __first_cpu+0x26/0x49 [] dequeue_task+0xd3/0xf5 [] deactivate_task+0x36/0x55 [] pull_task+0x31/0x7d [] load_balance_fair+0x192/0x27c [] schedule+0x3e0/0x96d [] ? vmstat_update+0x0/0x5e [] ? schedule_delayed_work+0x31/0x48 [] worker_thread+0xbb/0x114 [] ? autoremove_wake_function+0x0/0x63 [] ? worker_thread+0x0/0x114 [] kthread+0x61/0xa4 [] ? schedule_tail+0x3b/0x8a [] child_rip+0xa/0x11 [] ? kthread+0x0/0xa4 [] ? child_rip+0x0/0x11 Code: c3 80 e8 38 09 01 00 80 3d 3f 86 c0 00 00 0f 89 e1 00 00 00 41 f6 84 24 70 08 00 00 04 0f 85 d2 00 00 00 49 8b 84 24 a8 08 00 00 <48> 8b 00 83 b8 c0 00 00 00 00 0f 84 ba 00 00 00 49 83 7d 10 01 RIP [] hrtick_start_fair+0x8e/0x178 RSP CR2: 0000000000000000 ---[ end trace 52609fe2a2756609 ]---