From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754658Ab2KBAOe (ORCPT ); Thu, 1 Nov 2012 20:14:34 -0400 Received: from mail-pa0-f46.google.com ([209.85.220.46]:40178 "EHLO mail-pa0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752915Ab2KBAOb (ORCPT ); Thu, 1 Nov 2012 20:14:31 -0400 Date: Thu, 1 Nov 2012 17:14:29 -0700 From: Greg Kroah-Hartman To: Stan Hu Cc: linux-kernel@vger.kernel.org Subject: Re: help with diagnosing kernel oops in __mutex_lock_slowpath Message-ID: <20121102001429.GA2129@kroah.com> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: 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, Nov 01, 2012 at 03:02:45PM -0700, Stan Hu wrote: > Hello, > > I'm getting this kernel oops sporadically with a custom Cortex-A8 ARM > board with a Linux 3.2.28 kernel. The system is booting off an SD > card; interestingly this failure doesn't seem to happen when I boot > from NAND flash. I would say 1 out 10 times it fails with a similar > backtrace. Does anyone have any clue why this might be happening? Does this also happen on the 3.6 kernel, or 3.7-rc3? thanks, greg k-h