Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 3 Mar 2003 19:34:08 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 3 Mar 2003 19:34:08 -0500 Received: from albatross.mail.pas.earthlink.net ([207.217.120.120]:52694 "EHLO albatross.mail.pas.earthlink.net") by vger.kernel.org with ESMTP id ; Mon, 3 Mar 2003 19:34:06 -0500 Date: Mon, 3 Mar 2003 19:50:14 -0500 To: akpm@digeo.com Cc: linux-kernel@vger.kernel.org Subject: Re: 2.5.63-mm2 Message-ID: <20030304005014.GA197@rushmore> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.4i From: rwhron@earthlink.net Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3511 Lines: 90 2.5.63-mm2 gave the oops below running dbench 192. Quad P3 Xeon 3.75 GB Ram ext3 filesystems for most things. ext2 filesystem for testing. SCSI disks. Using anticipatory scheduler. kernel BUG at drivers/block/as-iosched.c:188! invalid operand: 0000 CPU: 1 EIP: 0060:[put_as_io_context+17/64] Not tainted EIP: 0060:[] Not tainted EFLAGS: 00010046 EIP is at put_as_io_context+0x11/0x40 eax: 00000000 ebx: f7e5c968 ecx: 00000000 edx: f6c08500 esi: f7e5c968 edi: 00000000 ebp: 00000001 esp: c3671f10 ds: 007b es: 007b ss: 0068 Process events/1 (pid: 11, threadinfo=c3670000 task=c36772e0) Stack: f6c08760 c0257267 f7e5c968 c372f278 f7e5c8c0 c0257937 f7e5c968 c372f290 f7e5c8c0 c372f278 00000000 c0258091 f7e5c8c0 c372f278 c37c1200 00000287 f7fe20a0 c37c1200 c02581e6 f7e5c8c0 c02510ce c37c1200 c0252905 c37c1200 Call Trace: [copy_as_io_context+39/48] copy_as_io_context+0x27/0x30 [] copy_as_io_context+0x27/0x30 [as_move_to_dispatch+71/144] as_move_to_dispatch+0x47/0x90 [] as_move_to_dispatch+0x47/0x90 [as_dispatch_request+417/432] as_dispatch_request+0x1a1/0x1b0 [] as_dispatch_request+0x1a1/0x1b0 [as_queue_notready+38/64] as_queue_notready+0x26/0x40 [] as_queue_notready+0x26/0x40 [elv_queue_empty+14/32] elv_queue_empty+0xe/0x20 [] elv_queue_empty+0xe/0x20 [generic_unplug_device+69/112] generic_unplug_device+0x45/0x70 [] generic_unplug_device+0x45/0x70 [worker_thread+458/656] worker_thread+0x1ca/0x290 [] worker_thread+0x1ca/0x290 [blk_unplug_work+0/16] blk_unplug_work+0x0/0x10 [] blk_unplug_work+0x0/0x10 [default_wake_function+0/32] default_wake_function+0x0/0x20 [] default_wake_function+0x0/0x20 [ret_from_fork+6/20] ret_from_fork+0x6/0x14 [] ret_from_fork+0x6/0x14 [default_wake_function+0/32] default_wake_function+0x0/0x20 [] default_wake_function+0x0/0x20 [worker_thread+0/656] worker_thread+0x0/0x290 [] worker_thread+0x0/0x290 [kernel_thread_helper+5/16] kernel_thread_helper+0x5/0x10 [] kernel_thread_helper+0x5/0x10 Code: 0f 0b bc 00 73 69 35 c0 f0 ff 0a 0f 94 c0 84 c0 74 14 f0 ff dbench 64 completed 5 times before this. The first dbench 192 completed okay too (based on logfile). Oops came during 2nd dbench 192 run. After rebooting, I noticed a load average while the system was supposed to be idle: $ uptime 4:30pm up 50 min, 2 users, load average: 4.00, 3.97, 3.82 $ ps aux|grep D[W] USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND root 2 0.0 0.0 0 0 ? DW 15:40 0:00 [migration/0] root 4 0.0 0.0 0 0 ? DW 15:40 0:00 [migration/1] root 6 0.0 0.0 0 0 ? DW 15:40 0:00 [migration/2] root 8 0.0 0.0 0 0 ? DW 15:40 0:00 [migration/3] Things in .config that were not in 2.5.62-mm2: (2.5.62-mm2 was fine on this machine) CONFIG_JFS_FS=y CONFIG_NLS_DEFAULT="iso8859-1" CONFIG_NLS=y CONFIG_NR_SIBLINGS_0=y CONFIG_XFS_FS=y No jfs or xfs filesystems were mounted at the time of oops nor when migration/N was in DW state. -- Randy Hron http://home.earthlink.net/~rwhron/kernel/bigbox.html - 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/