From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754878Ab1JOUPF (ORCPT ); Sat, 15 Oct 2011 16:15:05 -0400 Received: from mail-bw0-f46.google.com ([209.85.214.46]:34400 "EHLO mail-bw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754610Ab1JOUPC (ORCPT ); Sat, 15 Oct 2011 16:15:02 -0400 Date: Sat, 15 Oct 2011 23:12:40 +0300 From: Sergey Senozhatsky To: Peter Zijlstra Cc: Ingo Molnar , linux-kernel@vger.kernel.org, Andrew Morton Subject: WARNING: at kernel/lockdep.c:690 __lock_acquire+0x168/0x164b() Message-ID: <20111015201239.GA3475@swordfish> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, 3.1-rc9 [10172.218213] ------------[ cut here ]------------ [10172.218233] WARNING: at kernel/lockdep.c:690 __lock_acquire+0x168/0x164b() [10172.218242] Hardware name: Aspire 5741G [10172.218248] Modules linked in: ipv6 usb_storage uas microcode snd_hda_codec_hdmi snd_hda_codec_realtek broadcom tg3 snd_hda_intel snd_hda_codec snd_pcm snd_timer snd rndis_host cdc_ether usbnet evdev psmouse soundcore pcspkr mii snd_page_alloc libphy ac battery wmi button ehci_hcd sr_mod cdrom usbcore sd_mod ahci [10172.218330] Pid: 22953, comm: kworker/0:2 Not tainted 3.1.0-rc9-dbg-00681-gec325b2 #730 [10172.218335] Call Trace: [10172.218346] [] warn_slowpath_common+0x7e/0x96 [10172.218353] [] warn_slowpath_null+0x15/0x17 [10172.218361] [] __lock_acquire+0x168/0x164b [10172.218370] [] ? find_busiest_group+0x7b6/0x941 [10172.218381] [] ? double_rq_lock+0x4d/0x52 [10172.218389] [] lock_acquire+0x138/0x1ac [10172.218397] [] ? double_rq_lock+0x4d/0x52 [10172.218404] [] ? double_rq_lock+0x2e/0x52 [10172.218414] [] _raw_spin_lock_nested+0x3a/0x49 [10172.218421] [] ? double_rq_lock+0x4d/0x52 [10172.218428] [] ? _raw_spin_lock+0x3e/0x45 [10172.218435] [] ? double_rq_lock+0x2e/0x52 [10172.218442] [] double_rq_lock+0x4d/0x52 [10172.218449] [] load_balance+0x1fc/0x769 [10172.218458] [] ? native_sched_clock+0x38/0x65 [10172.218466] [] ? __schedule+0x2f5/0xa2d [10172.218474] [] __schedule+0x3d3/0xa2d [10172.218480] [] ? __schedule+0x2f5/0xa2d [10172.218490] [] ? add_timer_on+0xd/0x196 [10172.218497] [] ? _raw_spin_lock_irq+0x4a/0x51 [10172.218505] [] ? process_one_work+0x3ed/0x54c [10172.218512] [] ? process_one_work+0x498/0x54c [10172.218518] [] ? process_one_work+0x18d/0x54c [10172.218526] [] ? _raw_spin_unlock_irq+0x28/0x56 [10172.218533] [] ? get_parent_ip+0xe/0x3e [10172.218540] [] schedule+0x55/0x57 [10172.218547] [] worker_thread+0x217/0x21c [10172.218554] [] ? manage_workers.isra.21+0x16c/0x16c [10172.218564] [] kthread+0x9a/0xa2 [10172.218573] [] kernel_thread_helper+0x4/0x10 [10172.218580] [] ? finish_task_switch+0x76/0xf3 [10172.218587] [] ? retint_restore_args+0x13/0x13 [10172.218595] [] ? __init_kthread_worker+0x53/0x53 [10172.218602] [] ? gs_change+0x13/0x13 [10172.218607] ---[ end trace 9d11d6b5e4b96730 ]--- Really not sure what's going on and how to reproduce. Sergey