From: Sachin Sant Subject: EXT4: kernel BUG at fs/jbd2/commit.c:533! Date: Wed, 02 Sep 2009 16:48:46 +0530 Message-ID: <4A9E5496.8050909@in.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit To: linux-ext4@vger.kernel.org Return-path: Received: from e23smtp03.au.ibm.com ([202.81.31.145]:47306 "EHLO e23smtp03.au.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751618AbZIBLSr (ORCPT ); Wed, 2 Sep 2009 07:18:47 -0400 Received: from d23relay04.au.ibm.com (d23relay04.au.ibm.com [202.81.31.246]) by e23smtp03.au.ibm.com (8.14.3/8.13.1) with ESMTP id n82BGQxY031095 for ; Wed, 2 Sep 2009 21:16:26 +1000 Received: from d23av02.au.ibm.com (d23av02.au.ibm.com [9.190.235.138]) by d23relay04.au.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id n82BH9AG1777864 for ; Wed, 2 Sep 2009 21:17:10 +1000 Received: from d23av02.au.ibm.com (loopback [127.0.0.1]) by d23av02.au.ibm.com (8.14.3/8.13.1/NCO v10.0 AVout) with ESMTP id n82BIlLQ007349 for ; Wed, 2 Sep 2009 21:18:47 +1000 Received: from sachinp.in.ibm.com (sachinp.in.ibm.com [9.124.158.28] (may be forged)) by d23av02.au.ibm.com (8.14.3/8.13.1/NCO v10.0 AVin) with ESMTP id n82BIlIc007346 for ; Wed, 2 Sep 2009 21:18:47 +1000 Sender: linux-ext4-owner@vger.kernel.org List-ID: While executing fsstress against ext4 with 2.6.31-rc8 on a powerpc box, ran into the following Bug. ------------[ cut here ]------------ cpu 0x0: Vector: 700 (Program Check) at [c0000000f3ae3970] pc: c000000000280f28: .jbd2_journal_commit_transaction+0x8ac/0x1bfc lr: c000000000280e58: .jbd2_journal_commit_transaction+0x7dc/0x1bfc sp: c0000000f3ae3bf0 msr: 8000000000029032 current = 0xc0000000f315c7d0 paca = 0xc000000000b62600 pid = 23139, comm = kjournald2 kernel BUG at fs/jbd2/commit.c:533! enter ? for help [c0000000f3ae3dd0] c000000000289c60 .kjournald2+0x198/0x46c [c0000000f3ae3ed0] c0000000000a86a0 .kthread+0xac/0xb8 [c0000000f3ae3f90] c00000000002ab3c .kernel_thread+0x54/0x70 0:mon> Ext4 FS was created and mounted using : /usr/local/e2fsprogs/sbin/mkfs.ext4 -b 4096 /dev/sda4 mount -t ext4 -o errors=panic,data=journal /dev/sda4 /mnt/tmp/ Register information from xmon debugger : 0:mon> r R00 = 0000000000000001 R16 = c0000000334e0160 R01 = c0000000f3ae3bf0 R17 = 0000000000000000 R02 = c000000000a6f1e8 R18 = 0000000000000000 R03 = c0000000e87c9024 R19 = 0000000000000001 R04 = c0000000334e0100 R20 = 0000000000000001 R05 = 0000000000000409 R21 = 0000000000000409 R06 = 0000000000000000 R22 = c0000000f3ae3c78 R07 = c0000000f315c7d0 R23 = 0000000000000000 R08 = c000000000b62600 R24 = c0000000e87c9000 R09 = 00000000000000a0 R25 = c0000000334e0170 R10 = c0000000f3ae0080 R26 = c0000000334e0100 R11 = 0000000100051657 R27 = c0000000334e0150 R12 = 0000000024000088 R28 = c0000000f3ae3c78 R13 = c000000000b62600 R29 = c0000000f315c7d0 R14 = c0000000008325c8 R30 = c0000000009ec158 R15 = c0000000e87c939c R31 = 0000000000000000 pc = c000000000280f28 .jbd2_journal_commit_transaction+0x8ac/0x1bfc lr = c000000000280e58 .jbd2_journal_commit_transaction+0x7dc/0x1bfc msr = 8000000000029032 cr = 24000084 ctr = 0000000000000000 xer = 0000000020000001 trap = 700 0:mon> e2fsprog utility version is : # /usr/local/e2fsprogs/sbin/mkfs.ext4 -V mke2fs 1.41.6 (30-May-2009) Using EXT2FS Library version 1.41.6 Let me know if i can provide any other information. Thanks -Sachin -- --------------------------------- Sachin Sant IBM Linux Technology Center India Systems and Technology Labs Bangalore, India ---------------------------------