Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761367AbXHXVAs (ORCPT ); Fri, 24 Aug 2007 17:00:48 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757057AbXHXVAi (ORCPT ); Fri, 24 Aug 2007 17:00:38 -0400 Received: from smtp-vbr16.xs4all.nl ([194.109.24.36]:2853 "EHLO smtp-vbr16.xs4all.nl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757035AbXHXVAh (ORCPT ); Fri, 24 Aug 2007 17:00:37 -0400 Date: Fri, 24 Aug 2007 23:00:33 +0200 From: Folkert van Heusden To: linux-kernel@vger.kernel.org Subject: [2.6.22] circular lock detected Message-ID: <20070824210033.GB13237@vanheusden.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Organization: www.unixexpert.nl X-Chameleon-Return-To: folkert@vanheusden.com X-Xfmail-Return-To: folkert@vanheusden.com X-Phonenumber: +31-6-41278122 X-URL: http://www.vanheusden.com/ X-PGP-KeyID: 1F28D8AE X-GPG-fingerprint: AC89 09CE 41F2 00B4 FCF2 B174 3019 0E8C 1F28 D8AE X-Key: http://pgp.surfnet.nl:11371/pks/lookup?op=get&search=0x1F28D8AE Read-Receipt-To: Reply-By: Sat Aug 25 22:53:49 CEST 2007 X-Message-Flag: Want to extend your PGP web-of-trust? Coordinate a key-signing at www.biglumber.com User-Agent: Mutt/1.5.16 (2007-06-11) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 9682 Lines: 181 Hi, 2.6.22 kernel with hyperthreading enabled only ext3 filesystems (2). [ 346.314640] ======================================================= [ 346.314758] [ INFO: possible circular locking dependency detected ] [ 346.314815] 2.6.22 #5 [ 346.314862] ------------------------------------------------------- [ 346.314920] tor/2421 is trying to acquire lock: [ 346.314973] (tty_mutex){--..}, at: [] mutex_lock+0x8/0xa [ 346.315193] [ 346.315195] but task is already holding lock: [ 346.316203] (&s->s_dquot.dqptr_sem){----}, at: [] dquot_alloc_space+0x50/0x189 [ 346.316457] [ 346.316458] which lock already depends on the new lock. [ 346.316461] [ 346.316585] [ 346.316586] the existing dependency chain (in reverse order) is: [ 346.316675] [ 346.316676] -> #4 (&s->s_dquot.dqptr_sem){----}: [ 346.316871] [] check_prev_add+0x15b/0x281 [ 346.317204] [] check_prevs_add+0x8b/0xe8 [ 346.317535] [] __lock_acquire+0x65d/0xb51 [ 346.317873] [] lock_acquire+0x62/0x81 [ 346.318195] [] down_read+0x2b/0x3d [ 346.318527] [] dquot_alloc_space+0x50/0x189 [ 346.318854] [] ext3_new_blocks+0x44b/0x5a2 [ 346.319187] [] ext3_alloc_blocks+0x40/0xdf [ 346.319513] [] ext3_alloc_branch+0x50/0x21b [ 346.319850] [] ext3_get_blocks_handle+0x1b8/0x367 [ 346.320184] [] ext3_getblk+0x97/0x228 [ 346.320530] [] ext3_bread+0x1a/0x78 [ 346.320870] [] ext3_mkdir+0xf4/0x270 [ 346.321188] [] vfs_mkdir+0xb3/0x161 [ 346.321506] [] sys_mkdirat+0x8c/0xc4 [ 346.321820] [] sys_mkdir+0x20/0x22 [ 346.322131] [] syscall_call+0x7/0xb [ 346.322446] [] 0xffffffff [ 346.322779] [ 346.322780] -> #3 (&ei->truncate_mutex){--..}: [ 346.322965] [] check_prev_add+0x15b/0x281 [ 346.323278] [] check_prevs_add+0x8b/0xe8 [ 346.323602] [] __lock_acquire+0x65d/0xb51 [ 346.323919] [] lock_acquire+0x62/0x81 [ 346.324234] [] __mutex_lock_slowpath+0x75/0x28c [ 346.324857] [] mutex_lock+0x8/0xa [ 346.325177] [] ext3_truncate+0x170/0x468 [ 346.325501] [] vmtruncate+0xa6/0x116 [ 346.325828] [] inode_setattr+0x145/0x16c [ 346.326150] [] ext3_setattr+0x150/0x22f [ 346.326479] [] notify_change+0x352/0x386 [ 346.326802] [] do_truncate+0x5c/0x7f [ 346.327116] [] may_open+0x1ec/0x231 [ 346.327434] [] open_namei+0xdd/0x5a2 [ 346.327770] [] do_filp_open+0x2c/0x53 [ 346.328090] [] do_sys_open+0x52/0xd8 [ 346.328408] [] sys_open+0x1c/0x1e [ 346.328727] [] syscall_call+0x7/0xb [ 346.329042] [] 0xffffffff [ 346.329368] [ 346.329370] -> #2 (&inode->i_alloc_sem){--..}: [ 346.329556] [] check_prev_add+0x15b/0x281 [ 346.329879] [] check_prevs_add+0x8b/0xe8 [ 346.330192] [] __lock_acquire+0x65d/0xb51 [ 346.330508] [] lock_acquire+0x62/0x81 [ 346.330826] [] down_write+0x2b/0x45 [ 346.331137] [] notify_change+0x2d9/0x386 [ 346.331453] [] do_truncate+0x5c/0x7f [ 346.331769] [] may_open+0x1ec/0x231 [ 346.332087] [] open_namei+0xdd/0x5a2 [ 346.332401] [] do_filp_open+0x2c/0x53 [ 346.332720] [] do_sys_open+0x52/0xd8 [ 346.333037] [] sys_open+0x1c/0x1e [ 346.333600] [] syscall_call+0x7/0xb [ 346.333912] [] 0xffffffff [ 346.334232] [ 346.334233] -> #1 (&sysfs_inode_imutex_key){--..}: [ 346.334422] [] check_prev_add+0x15b/0x281 [ 346.334734] [] check_prevs_add+0x8b/0xe8 [ 346.335046] [] __lock_acquire+0x65d/0xb51 [ 346.335361] [] lock_acquire+0x62/0x81 [ 346.335685] [] __mutex_lock_slowpath+0x75/0x28c [ 346.336001] [] mutex_lock+0x8/0xa [ 346.336313] [] remove_dir+0x2c/0xf1 [ 346.336629] [] sysfs_remove_subdir+0x8/0xa [ 346.336941] [] sysfs_remove_group+0x67/0x78 [ 346.337256] [] dpm_sysfs_remove+0x12/0x16 [ 346.337574] [] device_pm_remove+0x21/0x62 [ 346.337888] [] device_del+0x82/0x291 [ 346.338199] [] device_unregister+0xb/0x15 [ 346.338516] [] device_destroy+0x8d/0x9a [ 346.338827] [] vcs_remove_sysfs+0x1c/0x3a [ 346.339142] [] con_close+0x5e/0x6b [ 346.339458] [] release_dev+0x4c4/0x6ce [ 346.339767] [] tty_release+0x12/0x1c [ 346.340078] [] __fput+0x145/0x16e [ 346.340392] [] fput+0x19/0x1b [ 346.340701] [] filp_close+0x3c/0x75 [ 346.341012] [] sys_close+0x69/0xb4 [ 346.341325] [] syscall_call+0x7/0xb [ 346.341892] [] 0xffffffff [ 346.342213] [ 346.342214] -> #0 (tty_mutex){--..}: [ 346.342397] [] check_prev_add+0x34/0x281 [ 346.342708] [] check_prevs_add+0x8b/0xe8 [ 346.343017] [] __lock_acquire+0x65d/0xb51 [ 346.343333] [] lock_acquire+0x62/0x81 [ 346.343646] [] __mutex_lock_slowpath+0x75/0x28c [ 346.343956] [] mutex_lock+0x8/0xa [ 346.344263] [] print_warning+0x8c/0x15d [ 346.344575] [] dquot_alloc_space+0x184/0x189 [ 346.344883] [] ext3_new_blocks+0x44b/0x5a2 [ 346.345193] [] ext3_alloc_blocks+0x40/0xdf [ 346.345507] [] ext3_alloc_branch+0x50/0x21b [ 346.345816] [] ext3_get_blocks_handle+0x1b8/0x367 [ 346.346127] [] ext3_get_block+0x78/0xe3 [ 346.346441] [] __block_prepare_write+0x168/0x415 [ 346.346750] [] block_prepare_write+0x28/0x3b [ 346.347057] [] ext3_prepare_write+0xe3/0x17e [ 346.347369] [] generic_file_buffered_write+0x1b4/0x614 [ 346.347689] [] __generic_file_aio_write_nolock+0x23a/0x533 [ 346.348002] [] generic_file_aio_write+0x58/0xc4 [ 346.348314] [] ext3_file_write+0x2d/0xba [ 346.348627] [] do_sync_write+0xc7/0x116 [ 346.348935] [] vfs_write+0x158/0x15d [ 346.349246] [] sys_write+0x3d/0x64 [ 346.349560] [] syscall_call+0x7/0xb [ 346.349869] [] 0xffffffff [ 346.350438] [ 346.350440] other info that might help us debug this: [ 346.350442] [ 346.350562] 3 locks held by tor/2421: [ 346.350604] #0: (&inode->i_mutex){--..}, at: [] mutex_lock+0x8/0xa [ 346.350827] #1: (&ei->truncate_mutex){--..}, at: [] mutex_lock+0x8/0xa [ 346.351049] #2: (&s->s_dquot.dqptr_sem){----}, at: [] dquot_alloc_space+0x50/0x189 [ 346.351274] [ 346.351276] stack backtrace: [ 346.351363] [] show_trace_log_lvl+0x1a/0x30 [ 346.351446] [] show_trace+0x12/0x14 [ 346.351526] [] dump_stack+0x16/0x18 [ 346.351605] [] print_circular_bug_tail+0x6f/0x71 [ 346.351686] [] check_prev_add+0x34/0x281 [ 346.351764] [] check_prevs_add+0x8b/0xe8 [ 346.351843] [] __lock_acquire+0x65d/0xb51 [ 346.351921] [] lock_acquire+0x62/0x81 [ 346.352002] [] __mutex_lock_slowpath+0x75/0x28c [ 346.352083] [] mutex_lock+0x8/0xa [ 346.352160] [] print_warning+0x8c/0x15d [ 346.352240] [] dquot_alloc_space+0x184/0x189 [ 346.352323] [] ext3_new_blocks+0x44b/0x5a2 [ 346.352402] [] ext3_alloc_blocks+0x40/0xdf [ 346.352479] [] ext3_alloc_branch+0x50/0x21b [ 346.352558] [] ext3_get_blocks_handle+0x1b8/0x367 [ 346.352638] [] ext3_get_block+0x78/0xe3 [ 346.352720] [] __block_prepare_write+0x168/0x415 [ 346.352801] [] block_prepare_write+0x28/0x3b [ 346.352881] [] ext3_prepare_write+0xe3/0x17e [ 346.352961] [] generic_file_buffered_write+0x1b4/0x614 [ 346.353041] [] __generic_file_aio_write_nolock+0x23a/0x533 [ 346.353121] [] generic_file_aio_write+0x58/0xc4 [ 346.353200] [] ext3_file_write+0x2d/0xba [ 346.353281] [] do_sync_write+0xc7/0x116 [ 346.353364] [] vfs_write+0x158/0x15d [ 346.353444] [] sys_write+0x3d/0x64 [ 346.353524] [] syscall_call+0x7/0xb [ 346.353603] ======================= Folkert van Heusden -- www.vanheusden.com/multitail - win een vlaai van multivlaai! zorg ervoor dat multitail opgenomen wordt in Fedora Core, AIX, Solaris of HP/UX en win een vlaai naar keuze ---------------------------------------------------------------------- Phone: +31-6-41278122, PGP-key: 1F28D8AE, www.vanheusden.com - 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/