Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752748AbZCQOWQ (ORCPT ); Tue, 17 Mar 2009 10:22:16 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751530AbZCQOV7 (ORCPT ); Tue, 17 Mar 2009 10:21:59 -0400 Received: from e3.ny.us.ibm.com ([32.97.182.143]:55276 "EHLO e3.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750821AbZCQOV6 (ORCPT ); Tue, 17 Mar 2009 10:21:58 -0400 Subject: Re: [Jfs-discussion] [BUG/JFS/2.6.29-rc8] kernel BUG at fs/mpage.c:473! From: Dave Kleikamp To: Sachin Sant Cc: jfs-discussion@lists.sourceforge.net, linux-kernel In-Reply-To: <49BDFB4F.7040405@in.ibm.com> References: <49BDFB4F.7040405@in.ibm.com> Content-Type: text/plain Date: Tue, 17 Mar 2009 09:21:50 -0500 Message-Id: <1237299710.26674.6.camel@norville.austin.ibm.com> Mime-Version: 1.0 X-Mailer: Evolution 2.24.5 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2812 Lines: 71 On Mon, 2009-03-16 at 12:40 +0530, Sachin Sant wrote: > While running file system stress (fsstress) on a JFS partition > with 2.6.29-rc8, i hit the following BUG. I tried reproducing this yesterday, but was unsuccessful. Maybe I didn't let it run long enough. Have you run this successfully on earlier kernels? If so, what was the most recent that worked for you. Have you seen it more than once? I'm not sure how easy it is to reproduce. Thanks, Shaggy > ------------[ cut here ]------------ > kernel BUG at fs/mpage.c:473! > cpu 0x0: Vector: 700 (Program Check) at [c0000000be9daba0] > pc: c00000000014e3a0: .__mpage_writepage+0xd0/0x630 > lr: c0000000000dfedc: .write_cache_pages+0x288/0x42c > sp: c0000000be9dae20 > msr: 8000000000029032 > current = 0xc00000003f30dd10 > paca = 0xc000000000753400 > pid = 27402, comm = fsstress > kernel BUG at fs/mpage.c:473! > enter ? for help > [c0000000be9db3a0] c0000000000dfedc .write_cache_pages+0x288/0x42c > [c0000000be9db530] c00000000014e298 .mpage_writepages+0x54/0x8c > [c0000000be9db5d0] d0000000032f1720 .jfs_writepages+0x1c/0x34 [jfs] > [c0000000be9db650] c0000000000e0120 .do_writepages+0x68/0xa4 > [c0000000be9db6d0] c0000000000d764c .__filemap_fdatawrite_range+0x8c/0xbc > [c0000000be9db7c0] c0000000000d76bc .filemap_write_and_wait_range+0x40/0x8c > [c0000000be9db860] c0000000000d79f4 .generic_file_buffered_write+0x2ec/0x358 > [c0000000be9db9a0] c0000000000d7f88 > .__generic_file_aio_write_nolock+0x300/0x3ec > [c0000000be9dbaa0] c0000000000d8390 .generic_file_aio_write+0x80/0x114 > [c0000000be9dbb60] c000000000118a24 .do_sync_write+0xc4/0x124 > [c0000000be9dbcf0] c00000000011959c .vfs_write+0xd8/0x1a4 > [c0000000be9dbd90] c000000000119768 .SyS_write+0x50/0x90 > [c0000000be9dbe30] c000000000008534 syscall_exit+0x0/0x40 > --- Exception: c01 (System Call) at 000000000ff0d8c8 > SP (ff87c6f0) is in userspace > > This is a powerpc box (IBM,9133-55A). I have attached the dmesg log > as well as the jfs-fsstress.log > > Partition Table information : > > /dev/sda3 on / type ext3 (rw) > proc on /proc type proc (rw) > sysfs on /sys type sysfs (rw) > devpts on /dev/pts type devpts (rw,gid=5,mode=620) > /dev/sda2 on /boot type ext3 (rw) > tmpfs on /dev/shm type tmpfs (rw) > none on /proc/sys/fs/binfmt_misc type binfmt_misc (rw) > sunrpc on /var/lib/nfs/rpc_pipefs type rpc_pipefs (rw) > /dev/sda6 on /mnt/tmp type jfs (rw) > > Let me know if there is any other information that i can provide. > > Thanks > -Sachin -- David Kleikamp IBM Linux Technology Center -- 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/