From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760821AbYGQRqx (ORCPT ); Thu, 17 Jul 2008 13:46:53 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758371AbYGQRqp (ORCPT ); Thu, 17 Jul 2008 13:46:45 -0400 Received: from rn-out-0910.google.com ([64.233.170.184]:52414 "EHLO rn-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758148AbYGQRqo (ORCPT ); Thu, 17 Jul 2008 13:46:44 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:mime-version:content-type :content-transfer-encoding:content-disposition; b=DrOzkoGwLdRe8eIYLJCiUhsXHF9ZixCr82wIVJk5BDRU/cqzurxgpkPervC05pBIC1 SmJMb64iF9wcIgLsIkyUX6GWAzw5debgKl9XoTsdtbOk/+NzhKyw+fkYioVdQMDYPvTC I94QL2D5XbRvzJJX6P23ceAItwRc+pboHc0Rw= Message-ID: <19f34abd0807171046j425bebc6m8d8eb80a641e0e5b@mail.gmail.com> Date: Thu, 17 Jul 2008 19:46:42 +0200 From: "Vegard Nossum" To: "Tim Shimmin" , xfs@oss.sgi.com Subject: latest -git: kernel BUG at fs/xfs/support/debug.c:54! Cc: linux-kernel@vger.kernel.org, "Johannes Weiner" MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, I got this with an intentionally corrupted filesystem: Filesystem "loop1": Disabling barriers, not supported by the underlying device XFS mounting filesystem loop1 Ending clean XFS mount for filesystem: loop1 Device loop1 - bad inode magic/vsn daddr 9680 #30 (magic=4946) ------------[ cut here ]------------ kernel BUG at fs/xfs/support/debug.c:54! invalid opcode: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC Pid: 12849, comm: grep Not tainted (2.6.26-03414-g33af79d #43) EIP: 0060:[] EFLAGS: 00210246 CPU: 1 EIP is at cmn_err+0x99/0xa0 EAX: ed75e000 EBX: c089047c ECX: ed75e000 EDX: 00000000 ESI: 00000000 EDI: 00200286 EBP: ed75fbbc ESP: ed75fba4 DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 Process grep (pid: 12849, ti=ed75e000 task=f1ee9fe0 task.ti=ed75e000) Stack: c0855099 c0846a0d c0d0e8c0 00004946 df92a8f0 0000001e ed75fc2c c03540d4 00000000 c089047c ed75fbfc 000025d0 00000000 0000001e 00004946 ed75fc54 00000000 df92a8f0 df92abd8 000025d0 00000000 00000000 706f6f6c 00000031 Call Trace: [] ? xfs_imap_to_bp+0x164/0x250 [] ? trace_hardirqs_on_caller+0x116/0x170 [] ? xfs_itobp+0x90/0x180 [] ? xfs_iread+0xa1/0x280 [] ? xfs_iget_core+0x1c6/0x6e0 [] ? xfs_iget+0xfa/0x170 [] ? xfs_lookup+0xb6/0xc0 [] ? xfs_vn_lookup+0x4a/0x90 [] ? do_lookup+0x160/0x1b0 [] ? __link_path_walk+0x208/0xdc0 [] ? up_read+0x16/0x30 [] ? xfs_iunlock+0xee/0x110 [] ? xfs_vn_follow_link+0x3f/0x80 [] ? __link_path_walk+0x8f7/0xdc0 [] ? trace_hardirqs_off+0xb/0x10 [] ? path_walk+0x54/0xb0 [] ? do_path_lookup+0x85/0x230 [] ? __user_walk_fd+0x38/0x50 [] ? vfs_stat_fd+0x21/0x50 [] ? put_lock_stats+0xd/0x30 [] ? mntput_no_expire+0x1d/0x110 [] ? vfs_stat+0x11/0x20 [] ? sys_stat64+0x14/0x30 [] ? fput+0x1f/0x30 [] ? trace_hardirqs_on_thunk+0xc/0x10 [] ? trace_hardirqs_on_caller+0x116/0x170 [] ? trace_hardirqs_on_thunk+0xc/0x10 [] ? sysenter_past_esp+0x78/0xc5 ======================= Code: 04 e8 00 eb 3d 00 89 fa b8 40 4a 92 c0 e8 70 d0 3d 00 85 f6 74 15 83 c4 0c 5b 5e 5f 5d c3 8d 74 26 00 c6 81 c0 e8 d0 c0 00 eb bc <0f> 0b eb fe 90 90 90 55 b9 04 00 00 00 89 e5 57 89 c7 31 c0 f3 EIP: [] cmn_err+0x99/0xa0 SS:ESP 0068:ed75fba4 Kernel panic - not syncing: Fatal exception Vegard -- "The animistic metaphor of the bug that maliciously sneaked in while the programmer was not looking is intellectually dishonest as it disguises that the error is the programmer's own creation." -- E. W. Dijkstra, EWD1036