Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755452Ab2FNJEP (ORCPT ); Thu, 14 Jun 2012 05:04:15 -0400 Received: from mail-bk0-f46.google.com ([209.85.214.46]:61517 "EHLO mail-bk0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751582Ab2FNJEM (ORCPT ); Thu, 14 Jun 2012 05:04:12 -0400 Message-ID: <4FD9A908.90307@suse.cz> Date: Thu, 14 Jun 2012 11:04:08 +0200 From: Jiri Slaby User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:15.0) Gecko/20120610 Thunderbird/15.0a2 MIME-Version: 1.0 To: Tejun Heo CC: Jens Axboe , LKML , "jirisl >> Jiri Slaby" Subject: NULL pointer dereference at blk_drain_queue X-Enigmail-Version: 1.4.2 Content-Type: text/plain; charset=ISO-8859-2 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2655 Lines: 59 Hi, with today's -next I'm (reproducibly) getting this while updating packages: BUG: unable to handle kernel NULL pointer dereference at (null) IP: [] __wake_up_common+0x26/0x90 PGD 463f1067 PUD 463f2067 PMD 0 Oops: 0000 [#1] SMP CPU 1 Modules linked in: Pid: 2711, comm: kworker/1:0 Not tainted 3.5.0-rc2-next-20120614_64+ #1752 Bochs Bochs RIP: 0010:[] [] __wake_up_common+0x26/0x90 RSP: 0018:ffff880047221cb0 EFLAGS: 00010082 RAX: 0000000000000086 RBX: ffff880046350888 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000003 RDI: ffff880046350888 RBP: ffff880047221cf0 R08: 0000000000000000 R09: 00000001000c0009 R10: ffff880047804480 R11: 0000000000000000 R12: ffff880046350890 R13: 0000000000000003 R14: 0000000000000000 R15: 0000000000000003 FS: 0000000000000000(0000) GS:ffff880049700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: 0000000000000000 CR3: 0000000045ced000 CR4: 00000000000006e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process kworker/1:0 (pid: 2711, threadinfo ffff880047220000, task ffff8800435bc5c0) Stack: 000000004628da68 0000000000000000 ffff88004970d340 ffff880046350888 0000000000000086 0000000000000003 0000000000000000 0000000000000000 ffff880047221d30 ffffffff8108d9a3 ffff88004970d340 ffff880046350848 Call Trace: [] __wake_up+0x43/0x70 [] blk_drain_queue+0xf6/0x120 [] blk_cleanup_queue+0x7f/0xd0 [] md_free+0x50/0x70 [] kobject_cleanup+0x82/0x1b0 [] kobject_put+0x2b/0x60 [] mddev_delayed_delete+0x2f/0x40 [] process_one_work+0x11b/0x3f0 [] ? restart_array+0xc0/0xc0 [] worker_thread+0x12e/0x340 [] ? manage_workers.isra.29+0x1f0/0x1f0 [] kthread+0x8e/0xa0 [] kernel_thread_helper+0x4/0x10 [] ? flush_kthread_worker+0x70/0x70 [] ? gs_change+0xb/0xb Code: 80 00 00 00 00 55 48 89 e5 41 57 41 89 f7 41 56 41 89 ce 41 55 41 54 4c 8d 67 08 53 48 83 ec 18 89 55 c4 48 8b 57 08 4c 89 45 c8 <4c> 8b 2a 48 8d 42 e8 49 83 ed 18 49 39 d4 75 0d eb 40 0f 1f 84 regards, -- js suse labs -- 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/