From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754891Ab0AMGXQ (ORCPT ); Wed, 13 Jan 2010 01:23:16 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753086Ab0AMGXP (ORCPT ); Wed, 13 Jan 2010 01:23:15 -0500 Received: from lennier.cc.vt.edu ([198.82.162.213]:54837 "EHLO lennier.cc.vt.edu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752323Ab0AMGXO (ORCPT ); Wed, 13 Jan 2010 01:23:14 -0500 X-Mailer: exmh version 2.7.2 01/07/2005 with nmh-1.2 To: Andrew Morton , Peter Zijlstra , Ingo Molnar Cc: linux-kernel@vger.kernel.org Subject: 2.6.33-rc3-mmotm0106 - BUG: MAX_LOCKDEP_KEYS too low! From: Valdis.Kletnieks@vt.edu Mime-Version: 1.0 Content-Type: multipart/signed; boundary="==_Exmh_1263363729_4458P"; micalg=pgp-sha1; protocol="application/pgp-signature" Content-Transfer-Encoding: 7bit Date: Wed, 13 Jan 2010 01:22:09 -0500 Message-ID: <30283.1263363729@localhost> X-Mirapoint-Received-SPF: 128.173.34.103 localhost Valdis.Kletnieks@vt.edu 2 pass X-Mirapoint-IP-Reputation: reputation=neutral-1, source=Fixed, refid=n/a, actions=MAILHURDLE SPF TAG X-Junkmail-Info: (45) HELO_LOCALHOST X-Junkmail-Status: score=45/50, host=steiner.cc.vt.edu X-Junkmail-SD-Raw: score=unknown, refid=str=0001.0A020209.4B4D6692.0036,ss=1,fgs=0, ip=0.0.0.0, so=2009-09-22 00:05:22, dmn=2009-09-10 00:05:08, mode=multiengine X-Junkmail-IWF: false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --==_Exmh_1263363729_4458P Content-Type: text/plain; charset=us-ascii Seen in my dmesg output - I wasn't even home at the time, so my laptop was basically idle. [ 7777.019267] dell-wmi: Received unknown WMI event (0x11) [ 8190.620401] BUG: MAX_LOCKDEP_KEYS too low! [ 8190.620406] turning off the locking correctness validator. [ 8190.620410] Pid: 4266, comm: firefox-bin Not tainted 2.6.33-rc3-mmotm0106 #8 [ 8190.620412] Call Trace: [ 8190.620421] [] register_lock_class+0x152/0x31f [ 8190.620425] [] __lock_acquire+0xbd/0xcfa [ 8190.620430] [] ? spin_lock+0x9/0xb [ 8190.620434] [] ? trace_kmalloc+0x3d/0x8c [ 8190.620439] [] ? kzalloc+0xf/0x11 [ 8190.620444] [] ? __percpu_counter_add+0x57/0xb4 [ 8190.620447] [] lock_acquire+0xcb/0xe8 [ 8190.620451] [] ? __percpu_counter_add+0x57/0xb4 [ 8190.620455] [] ? debug_check_no_locks_freed+0x11a/0x12a [ 8190.620460] [] _raw_spin_lock+0x36/0x45 [ 8190.620464] [] ? __percpu_counter_add+0x57/0xb4 [ 8190.620468] [] __percpu_counter_add+0x57/0xb4 [ 8190.620473] [] tcp_v4_init_sock+0x18e/0x199 [ 8190.620477] [] inet_create+0x31f/0x34a [ 8190.620482] [] __sock_create+0x15d/0x1e5 [ 8190.620485] [] ? __sock_create+0xf7/0x1e5 [ 8190.620489] [] sock_create+0x2b/0x2d [ 8190.620492] [] sys_socket+0x26/0x57 [ 8190.620497] [] system_call_fastpath+0x16/0x1b [ 8438.412037] dell-wmi: Received unknown WMI event (0x11) Triggered it another time as well at system shutdown: [10912.842284] BUG: MAX_LOCKDEP_KEYS too low! [10912.843251] turning off the locking correctness validator. [10912.843251] Pid: 997, comm: hd-audio0 Not tainted 2.6.33-rc3-mmotm0106 #8 [10912.843251] Call Trace: [10912.850465] [] register_lock_class+0x152/0x31f [10912.850465] [] ? mark_lock+0x2d/0x226 [10912.850465] [] __lock_acquire+0xbd/0xcfa [10912.850465] [] ? get_parent_ip+0x11/0x42 [10912.850465] [] ? spin_lock_irq+0x9/0xb [10912.850465] [] ? worker_thread+0x205/0x38b [10912.850465] [] lock_acquire+0xcb/0xe8 [10912.850465] [] ? worker_thread+0x205/0x38b [10912.850465] [] worker_thread+0x258/0x38b [10912.850465] [] ? worker_thread+0x205/0x38b [10912.850465] [] ? process_unsol_events+0x0/0x62 [10912.850465] [] ? autoremove_wake_function+0x0/0x34 [10912.850465] [] ? worker_thread+0x0/0x38b [10912.850465] [] kthread+0x7a/0x82 [10912.850465] [] kernel_thread_helper+0x4/0x10 [10912.850465] [] ? restore_args+0x0/0x30 [10912.850465] [] ? kthread+0x0/0x82 [10912.850465] [] ? kernel_thread_helper+0x0/0x10 If I'm hitting MAX_LOCKDEP_KEYS after just a few hours on a mostly-idle laptop, should it be set higher? --==_Exmh_1263363729_4458P Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) Comment: Exmh version 2.5 07/13/2001 iD8DBQFLTWaRcC3lWbTT17ARAh1BAKC/TfgXZ0WAw+Je5DNw7YPjg7ETzgCdHQcO jLxC2YnxWZP21ByTMTXwXAw= =1yuR -----END PGP SIGNATURE----- --==_Exmh_1263363729_4458P--