From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753728AbXKVNtT (ORCPT ); Thu, 22 Nov 2007 08:49:19 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752512AbXKVNtH (ORCPT ); Thu, 22 Nov 2007 08:49:07 -0500 Received: from atrey.karlin.mff.cuni.cz ([195.113.31.123]:56404 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752479AbXKVNtG (ORCPT ); Thu, 22 Nov 2007 08:49:06 -0500 Date: Thu, 22 Nov 2007 14:49:04 +0100 From: Jan Kara To: paulo.nogueira@ist.utl.pt Cc: linux-kernel@vger.kernel.org Subject: Re: kernel BUG at fs/inode.c Message-ID: <20071122134904.GA4957@atrey.karlin.mff.cuni.cz> References: <200711211825.lALIPp5U002919@cfif3.ist.utl.pt> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200711211825.lALIPp5U002919@cfif3.ist.utl.pt> User-Agent: Mutt/1.5.13 (2006-08-11) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi, > This is to report a kernel bug that appeared while using the > non-standard kernel 2.6.24-rc1-git10, which I was using for > the purpose of helping to debug a different problem. > I am not sure if the problem is easily reproducible... if > needed I'll try with the latest fc7 kernel. > > The dump listed below was extracted from /var/log/messages > and was generated after copying > 1GB of data to a DVD-RAM, > udf format. When it seemed to have stopped (after 2 hours!) > I issued the eject command. It then seemed to write more > data to the disk (possibly part of the data had not been > really copied, and it was syncing) and a few minutes after > this notice came up. Thanks for report. It looks like a problem in UDF. Actually I think I've already seen a similar report. Are there any IO errors in the logs or anything else suspitious? Honza > Nov 20 23:30:23 *** kernel: kernel BUG at fs/inode.c:191! > Nov 20 23:30:23 *** kernel: invalid opcode: 0000 [1] SMP > Nov 20 23:30:23 *** kernel: CPU 1 > Nov 20 23:30:23 *** kernel: Modules linked in: udf usb_storage autofs4 sunrpc cpufreq_ondemand reiserfs dm_mirror dm_mod video output sbs sbshc battery ac power_supply ipv6 snd_intel8x0 snd_ac97_codec ac97_bus snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss snd_mixer_oss snd_pcm snd_timer snd sr_mod button forcedeth soundcore cdrom k8temp pcspkr snd_page_alloc pata_amd hwmon i2c_nforce2 i2c_core sg sata_nv ata_generic libata sd_mod scsi_mod ext3 jbd mbcache ehci_hcd ohci_hcd uhci_hcd > Nov 20 23:30:23 *** kernel: Pid: 11762, comm: umount Not tainted 2.6.24-rc1-git10 #0 > Nov 20 23:30:23 *** kernel: RIP: 0010:[] [] destroy_inode+0xd/0x47 > Nov 20 23:30:23 *** kernel: RSP: 0018:ffff81001ac47dd8 EFLAGS: 00010202 > Nov 20 23:30:23 *** kernel: RAX: 0000000000000001 RBX: ffff81010ac0b548 RCX: ffff81010ac0b548 > Nov 20 23:30:23 *** kernel: RDX: 0000000000000007 RSI: ffff81010ac0b750 RDI: ffff81010ac0b548 > Nov 20 23:30:23 *** kernel: RBP: ffff81010ac0b548 R08: 8000000000000000 R09: ffffffff81405a18 > Nov 20 23:30:23 *** kernel: R10: 0000000000000000 R11: ffff81001ac47d58 R12: 00000000000001ba > Nov 20 23:30:23 *** kernel: R13: ffff81001ac47e18 R14: ffff81001aba6068 R15: 0000000000000000 > Nov 20 23:30:23 *** kernel: FS: 00002b38ac69f6c0(0000) GS:ffff810100001800(0000) knlGS:0000000000000000 > Nov 20 23:30:23 *** kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b > Nov 20 23:30:23 *** kernel: CR2: 00000000008cb370 CR3: 000000001ac6a000 CR4: 00000000000006e0 > Nov 20 23:30:23 *** kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > Nov 20 23:30:23 *** kernel: DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 > Nov 20 23:30:23 *** kernel: Process umount (pid: 11762, threadinfo ffff81001ac46000, task ffff81010492c000) > Nov 20 23:30:23 *** kernel: Stack: ffff81010ac0b558 ffffffff810a9e84 0000000000000018 ffff8101059af048 > Nov 20 23:30:23 *** kernel: ffff81010610a8c0 0000000000004a57 ffff81010610a8c0 ffffffff810aa160 > Nov 20 23:30:23 *** kernel: ffff81010ac0b7d8 ffff81001aba6058 0000000000000000 ffff81010610a800 > Nov 20 23:30:23 *** kernel: Call Trace: > Nov 20 23:30:23 *** kernel: [] dispose_list+0xae/0xe0 > Nov 20 23:30:23 *** kernel: [] invalidate_inodes+0xc1/0xdf > Nov 20 23:30:23 *** kernel: [] generic_shutdown_super+0x39/0xd2 > Nov 20 23:30:23 *** kernel: [] kill_block_super+0xd/0x1e > Nov 20 23:30:23 *** kernel: [] deactivate_super+0x6a/0x83 > Nov 20 23:30:23 *** kernel: [] sys_umount+0x23d/0x273 > Nov 20 23:30:23 *** kernel: [] sys_newstat+0x19/0x31 > Nov 20 23:30:23 *** kernel: [] __up_write+0x27/0xf3 > Nov 20 23:30:23 *** kernel: [] system_call+0x7e/0x83 > Nov 20 23:30:23 *** kernel: > Nov 20 23:30:23 *** kernel: > Nov 20 23:30:23 *** kernel: Code: 0f 0b eb fe 48 89 df e8 e7 39 04 00 48 8b 83 f8 00 00 00 48 > Nov 20 23:30:23 *** kernel: RIP [] destroy_inode+0xd/0x47 > Nov 20 23:30:23 *** kernel: RSP > Nov 20 23:30:23 *** kernel: WARNING: at kernel/exit.c:917 do_exit() > Nov 20 23:30:23 *** kernel: > Nov 20 23:30:23 *** kernel: Call Trace: > Nov 20 23:30:23 *** kernel: [] do_exit+0x4f/0x768 > Nov 20 23:30:23 *** kernel: [] kernel_math_error+0x0/0x71 > Nov 20 23:30:23 *** kernel: [] do_invalid_op+0x85/0x8f > Nov 20 23:30:23 *** kernel: [] destroy_inode+0xd/0x47 > Nov 20 23:30:23 *** kernel: [] bit_waitqueue+0x10/0x9f > Nov 20 23:30:23 *** kernel: [] wake_up_bit+0x11/0x22 > Nov 20 23:30:23 *** kernel: [] __writeback_single_inode+0x2a5/0x2b7 > Nov 20 23:30:23 *** kernel: [] :udf:udf_current_aext+0xe8/0x143 > Nov 20 23:30:23 *** kernel: [] error_exit+0x0/0x51 > Nov 20 23:30:23 *** kernel: [] destroy_inode+0xd/0x47 > Nov 20 23:30:23 *** kernel: [] destroy_inode+0x9/0x47 > Nov 20 23:30:23 *** kernel: [] dispose_list+0xae/0xe0 > Nov 20 23:30:23 *** kernel: [] invalidate_inodes+0xc1/0xdf > Nov 20 23:30:23 *** kernel: [] generic_shutdown_super+0x39/0xd2 > Nov 20 23:30:23 *** kernel: [] kill_block_super+0xd/0x1e > Nov 20 23:30:23 *** kernel: [] deactivate_super+0x6a/0x83 > Nov 20 23:30:23 *** kernel: [] sys_umount+0x23d/0x273 > Nov 20 23:30:23 *** kernel: [] sys_newstat+0x19/0x31 > Nov 20 23:30:23 *** kernel: [] __up_write+0x27/0xf3 > Nov 20 23:30:23 *** kernel: [] system_call+0x7e/0x83 > Nov 20 23:30:23 *** kernel: -- Jan Kara SuSE CR Labs