From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1161044AbXDCSPX (ORCPT ); Tue, 3 Apr 2007 14:15:23 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1161049AbXDCSPW (ORCPT ); Tue, 3 Apr 2007 14:15:22 -0400 Received: from smtpq1.groni1.gr.home.nl ([213.51.130.200]:34888 "EHLO smtpq1.groni1.gr.home.nl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1161044AbXDCSPW (ORCPT ); Tue, 3 Apr 2007 14:15:22 -0400 Message-ID: <46129968.9000304@gmail.com> Date: Tue, 03 Apr 2007 20:14:00 +0200 From: Rene Herman User-Agent: Thunderbird 1.5.0.10 (X11/20070221) MIME-Version: 1.0 To: Pekka J Enberg CC: linux-kernel@vger.kernel.org, Jens Axboe Subject: Re: mcdx -- do_request(): non-read command to cd!! References: <460D7F70.3090702@gmail.com> <20070331064711.GF6246@kernel.dk> <460EA727.8070306@gmail.com> <84144f020704010306q600f58ddge1d42753362cf4e2@mail.gmail.com> <4610481D.8000102@gmail.com> <46104954.50608@gmail.com> <20070402071018.GE11996@kernel.dk> <46111ED7.20201@gmail.com> <46112650.8080208@gmail.com> <461165FD.2010508@gmail.com> <461256C1.4020906@gmail.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit X-AtHome-MailScanner-Information: Please contact support@home.nl for more information X-AtHome-MailScanner: Found to be clean Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On 04/03/2007 07:31 PM, Pekka J Enberg wrote: > Oh, well, here goes. Rene, would you be so kind and spin the wheel once > more? =) Absolutely! root@5va2:~# dd if=/dev/mcdx0 of=/dev/null Oops: 0002 [#1] CPU: 0 EIP: 0060:[] Not tainted VLI EFLAGS: 00010082 (2.6.20.4 #11) EIP is at free_block+0x58/0xcf eax: 07ff46c6 ebx: c1d5f100 ecx: c1d5f12c edx: 160010b9 esi: c16414e0 edi: c160c960 ebp: 00000001 esp: c1575ef0 ds: 007b es: 007b ss: 0068 Process events/0 (pid: 4, ti=c1575000 task=c1577510 task.ti=c1575000) Stack: 00000000 00000002 c165fa38 c165fa38 00000002 c165fa00 00000000 c1047eb6 00000000 00000000 c16414e0 c160c960 c16414e0 c160c960 c14ab540 00000292 c1047f3a 00000000 00000000 00000292 c14ab544 c154ebc0 c101ec7a c154ec14 Call Trace: [] drain_array+0x94/0xc3 [] cache_reap+0x55/0xe9 [] run_workqueue+0x8f/0x14d [] cache_reap+0x0/0xe9 [] worker_thread+0x122/0x14b [] default_wake_function+0x0/0xc [] default_wake_function+0x0/0xc [] worker_thread+0x0/0x14b [] kthread+0x72/0x97 [] kthread+0x0/0x97 [] kernel_thread_helper+0x7/0x10 ======================= Code: 05 03 15 4c ab 4a c1 8b 02 f6 c4 40 74 03 8b 52 0c 8b 02 a8 80 75 04 0f 0b eb fe 8b 5a 1c 8b 44 24 20 8b 53 04 8b 74 87 18 8b 03 <89> 02 c7 03 00 01 10 00 89 50 04 c7 43 04 00 02 20 00 8b 44 24 EIP: [] free_block+0x58/0xcf SS:ESP 0068:c1575ef0 That is, the exact same oops the tar test showed which I expect is progress -- the dd is now in fact doing something :-) When I now switched the monitor to 5va2 itself it was happily generating more oopses and supposedly "fixing up recursive faults", while advicing me to reboot. 2 seconds later it didn't leave me a choice as it dropped dead :-) Just to keep track, I'm now using the patches (minus 03) at: http://members.home.nl/rene.herman/mcdx/ (for lkml: with 03, the machine locks itself hard each and every time without information). Thanks again :) Rene.