Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762171AbXF1O62 (ORCPT ); Thu, 28 Jun 2007 10:58:28 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755891AbXF1O6V (ORCPT ); Thu, 28 Jun 2007 10:58:21 -0400 Received: from mail.gmx.net ([213.165.64.20]:59027 "HELO mail.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1755418AbXF1O6U (ORCPT ); Thu, 28 Jun 2007 10:58:20 -0400 X-Authenticated: #1474915 X-Provags-ID: V01U2FsdGVkX19IsCtPJtpIrKQGSQ7Pk3mmaZn+NMGDpcEL2UHvCQ YkPlylyeawExdl Message-ID: <4683CC89.80406@gmx.de> Date: Thu, 28 Jun 2007 16:58:17 +0200 From: Thomas Sattler User-Agent: Thunderbird 2.0.0.4 (X11/20070604) MIME-Version: 1.0 To: Oleg Nesterov CC: Linux Kernel Mailing List , Alan Cox , Ingo Molnar Subject: Re: 2.6.22-rc6 spurious hangs References: <4683BF16.40905@gmx.de> <20070628144741.GA437@tv-sign.ru> In-Reply-To: <20070628144741.GA437@tv-sign.ru> X-Enigmail-Version: 0.95.1 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Y-GMX-Trusted: 0 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 720 Lines: 19 >> As Ingo told me I run 'echo t > /proc/sysrq-trigger' this time. The >> corresponding part of my syslogs is attached, as well as my kernel config. > > Could you try the patch below? It dumps some info when flush_workqueue() > hangs. I'm compiling a patched kernel right now. As I wrote in my former mail the whole thing not easy to trigger. So it can take some time to get the info. Thanks so far, Thomas -- keep mailinglists in english, feel free to send PM in german - 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/