From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754370Ab3AXQNl (ORCPT ); Thu, 24 Jan 2013 11:13:41 -0500 Received: from mail.skyhub.de ([78.46.96.112]:35094 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750962Ab3AXQNi (ORCPT ); Thu, 24 Jan 2013 11:13:38 -0500 Date: Thu, 24 Jan 2013 17:16:29 +0100 From: Borislav Petkov To: Lasse =?utf-8?B?S8Okcmtrw6RpbmVu?= Cc: linux-kernel@vger.kernel.org, USB list Subject: Re: CPU soft lockup in usb-audio Message-ID: <20130124161629.GD13471@pd.tnic> Mail-Followup-To: Borislav Petkov , Lasse =?utf-8?B?S8Okcmtrw6RpbmVu?= , linux-kernel@vger.kernel.org, USB list References: <510159D2.7000001@cc.hut.fi> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <510159D2.7000001@cc.hut.fi> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jan 24, 2013 at 05:57:06PM +0200, Lasse Kärkkäinen wrote: > I've spent months hunting for this random crash bug until today when > I finally found a way to reliably reproduce it (run a software that > I develop under valgrind). Log received over netconsole: > > http://pastie.org/5848168 > > Is this a known issue or do you need more information to debug it? Hmm, this happens while running memcheck-. A couple of things: * can you try the same way of reproduction without the proprietary nvidia module loaded? * can you try latest kernel, 3.8-rc4 or 3.7-stable? * let's also add linux-usb to CC. HTH. -- Regards/Gruss, Boris. Sent from a fat crate under my desk. Formatting is fine. --