Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759102AbXKDO7n (ORCPT ); Sun, 4 Nov 2007 09:59:43 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756248AbXKDO7d (ORCPT ); Sun, 4 Nov 2007 09:59:33 -0500 Received: from lucidpixels.com ([75.144.35.66]:58612 "EHLO lucidpixels.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755946AbXKDO7c (ORCPT ); Sun, 4 Nov 2007 09:59:32 -0500 Date: Sun, 4 Nov 2007 09:59:32 -0500 (EST) From: Justin Piszcz X-X-Sender: jpiszcz@p34.internal.lan To: Michael Tokarev cc: linux-kernel@vger.kernel.org, linux-raid@vger.kernel.org, xfs@oss.sgi.com Subject: Re: 2.6.23.1: mdadm/raid5 hung/d-state In-Reply-To: <472DDD78.7040002@msgid.tls.msk.ru> Message-ID: References: <472DBF8C.2060508@msgid.tls.msk.ru> <472DDD78.7040002@msgid.tls.msk.ru> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1336 Lines: 34 On Sun, 4 Nov 2007, Michael Tokarev wrote: > Justin Piszcz wrote: >> On Sun, 4 Nov 2007, Michael Tokarev wrote: > [] >>> The next time you come across something like that, do a SysRq-T dump and >>> post that. It shows a stack trace of all processes - and in particular, >>> where exactly each task is stuck. > >> Yes I got it before I rebooted, ran that and then dmesg > file. >> >> Here it is: >> >> [1172609.665902] ffffffff80747dc0 ffffffff80747dc0 ffffffff80747dc0 ffffffff80744d80 >> [1172609.668768] ffffffff80747dc0 ffff81015c3aa918 ffff810091c899b4 ffff810091c899a8 > > That's only partial list. All the kernel threads - which are most important > in this context - aren't shown. You ran out of dmesg buffer, and the most > interesting entries was at the beginning. If your /var/log partition is > working, the stuff should be in /var/log/kern.log or equivalent. If it's > not working, there is a way to capture the info still, by stopping syslogd, > cat'ing /proc/kmsg to some tmpfs file and scp'ing it elsewhere. > > /mjt > Will do that the next time it happens, thanks. - 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/