From: bugzilla-daemon@bugzilla.kernel.org Subject: [Bug 17361] New: Watchdog detected hard LOCKUP in jbd2_journal_get_write_access Date: Sun, 29 Aug 2010 20:00:16 GMT Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" To: linux-ext4@vger.kernel.org Return-path: Received: from demeter.kernel.org ([140.211.167.39]:60958 "EHLO demeter1.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753818Ab0H2UAS (ORCPT ); Sun, 29 Aug 2010 16:00:18 -0400 Received: from demeter1.kernel.org (localhost.localdomain [127.0.0.1]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id o7TK0Gk1031839 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Sun, 29 Aug 2010 20:00:16 GMT Sender: linux-ext4-owner@vger.kernel.org List-ID: https://bugzilla.kernel.org/show_bug.cgi?id=17361 Summary: Watchdog detected hard LOCKUP in jbd2_journal_get_write_access Product: File System Version: 2.5 Platform: All OS/Version: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: ext3 AssignedTo: fs_ext3@kernel-bugs.osdl.org ReportedBy: casteyde.christian@free.fr Regression: Yes Created an attachment (id=28361) --> (https://bugzilla.kernel.org/attachment.cgi?id=28361) full dmesg output Kernel configuration: 2.6.36-rc3 Athlon 64 X2 3GHz in 64bits mode Slackware64 13.1 maybe an ext4 problem At boot, with a kernel compiled with support for locks, kmemcheck and so, I got this from time to time (amoung several other problems reported from kmemcheck and sometimes a total freeze at boot): kjournald starting. Commit interval 5 seconds EXT3-fs (sda1): using internal journal EXT3-fs (sda1): mounted filesystem with ordered data mode ADDRCONF(NETDEV_UP): eth0: link is not ready uli526x: eth0 NIC Link is Up 100 Mbps Full duplex ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready ------------[ cut here ]------------ WARNING: at kernel/watchdog.c:233 watchdog_overflow_callback+0xe3/0x110() Hardware name: K8 Combo-Z Watchdog detected hard LOCKUP on cpu 0 Modules linked in: snd_intel8x0 snd_cmipci snd_opl3_lib snd_hwdep snd_mpu401_uart snd_ac97_codec snd_ra wmidi ac97_bus Pid: 1923, comm: update-mime-dat Not tainted 2.6.36-rc3 #6 Call Trace: [] warn_slowpath_common+0x7a/0xb0 [] warn_slowpath_fmt+0x41/0x50 [] ? watchdog_overflow_callback+0x7/0x110 [] watchdog_overflow_callback+0xe3/0x110 [] ? __perf_event_overflow+0x141/0x210 [] ? perf_event_update_userpage+0x10a/0x1b0 [] ? perf_event_update_userpage+0x0/0x1b0 [] ? x86_perf_event_set_period+0xdd/0x160 [] ? perf_event_overflow+0x14/0x20 [] ? x86_pmu_handle_irq+0x10f/0x140 [] ? perf_event_nmi_handler+0x4b/0x60 [] ? notifier_call_chain+0x50/0xa0 [] ? __atomic_notifier_call_chain+0x95/0xd0 [] ? __atomic_notifier_call_chain+0x0/0xd0 [] ? rcu_nmi_exit+0x15/0x60 [] ? do_nmi+0x9b/0x2b0 [] ? nmi+0x1a/0x2c [] ? jbd2_journal_get_write_access+0x36/0x50 [] ? debug+0x0/0x40 <> <#DB> [] ? watchdog_overflow_callback+0x12/0x110 <> ---[ end trace 1408e87e8e109015 ]--- BUG: sleeping function called from invalid context at fs/ext4/inode.c:5833 in_atomic(): 1, irqs_disabled(): 0, pid: 1923, name: update-mime-dat 2 locks held by update-mime-dat/1923: #0: (&sb->s_type->i_mutex_key#3){+.+.+.}, at: [] do_last+0x111/0x690 #1: (jbd2_handle){+.+...}, at: [] start_this_handle+0x470/0x510 Pid: 1923, comm: update-mime-dat Tainted: G W 2.6.36-rc3 #6 Call Trace: [] ? __debug_show_held_locks+0x13/0x30 [] __might_sleep+0x105/0x130 [] ext4_mark_inode_dirty+0x47/0x1d0 [] ext4_add_nondir+0x6b/0x80 [] ext4_create+0xd6/0x130 [] vfs_create+0x89/0xc0 [] ? do_last+0x5fa/0x690 [] do_last+0x535/0x690 [] do_filp_open+0x21d/0x660 [] ? trace_hardirqs_off_thunk+0x3a/0x3c [] ? sub_preempt_count+0x95/0xd0 [] ? _raw_spin_unlock+0x30/0x60 [] ? alloc_fd+0x122/0x1d0 [] do_sys_open+0x60/0x120 [] ? trace_hardirqs_on_thunk+0x3a/0x3f [] sys_open+0x1b/0x20 [] system_call_fastpath+0x16/0x1b note: update-mime-dat[1923] exited with preempt_count 1 BUG: scheduling while atomic: update-mime-dat/1923/0x10000002 no locks held by update-mime-dat/1923. Modules linked in: snd_intel8x0 snd_cmipci snd_opl3_lib snd_hwdep snd_mpu401_uart snd_ac97_codec snd_rawmidi ac97_bus Pid: 1923, comm: update-mime-dat Tainted: G W 2.6.36-rc3 #6 Call Trace: [] ? __debug_show_held_locks+0x13/0x30 [] __schedule_bug+0x77/0x80 [] schedule+0x6e9/0xa30 [] __cond_resched+0x13/0x30 [] _cond_resched+0x2b/0x40 [] unmap_vmas+0x7c9/0x940 [] exit_mmap+0xdd/0x1a0 [] mmput+0x57/0xe0 [] exit_mm+0x100/0x130 [] do_exit+0x64d/0x720 [] do_group_exit+0x4f/0xc0 [] get_signal_to_deliver+0x31a/0x510 [] ? kick_process+0x50/0xa0 [] ? _raw_spin_unlock_irqrestore+0x5d/0x70 [] do_signal+0x70/0x790 [] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [] ? syscall_trace_leave+0xd1/0xe0 [] do_notify_resume+0x4f/0x60 [] ? trace_hardirqs_on_thunk+0x3a/0x3f [] int_signal+0x12/0x17 BUG: scheduling while atomic: update-mime-dat/1923/0x10000002 no locks held by update-mime-dat/1923. Modules linked in: snd_intel8x0 snd_cmipci snd_opl3_lib snd_hwdep snd_mpu401_uart snd_ac97_codec snd_rawmidi ac97_bus Pid: 1923, comm: update-mime-dat Tainted: G W 2.6.36-rc3 #6 Call Trace: ... etc full dmesg appended as attachement. -- Configure bugmail: https://bugzilla.kernel.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are watching the assignee of the bug.