From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753336Ab1EFWZd (ORCPT ); Fri, 6 May 2011 18:25:33 -0400 Received: from mail.candelatech.com ([208.74.158.172]:48311 "EHLO ns3.lanforge.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751411Ab1EFWZc (ORCPT ); Fri, 6 May 2011 18:25:32 -0400 Message-ID: <4DC4755B.3010109@candelatech.com> Date: Fri, 06 May 2011 15:25:31 -0700 From: Ben Greear Organization: Candela Technologies User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.9) Gecko/20100430 Fedora/3.0.4-2.fc11 Thunderbird/3.0.4 MIME-Version: 1.0 To: Linux Kernel Mailing List Subject: Re: repeatable 2.6.39-rc6+ lockup on Via C3 system References: <4DC468AD.70202@candelatech.com> In-Reply-To: <4DC468AD.70202@candelatech.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 05/06/2011 02:31 PM, Ben Greear wrote: > I have a reproducible lockup on a Via C3 board (with kernel compiled for > C3). > > This kernel has some wireless patches and the slub fix from a few days ago. > > Same kernel (compiled for P-II, SMP, pre-empt) works fine on an Atom > system. > > Shortly after the login prompt I see this on serial console: > > BUG: spinlock lockup on CPU#0, net.hotplug/1899, f5a2c470 > > I tried enabling lockdep and saw no splats. > > I'm not sure why there isn't more of a backtrace... Nevermind..it printed out a stack trace the next time. Bug is un-initialized spinlock in ath5k...I sent a patch to the wireless mailing list... Ben > > Thanks, > Ben > -- Ben Greear Candela Technologies Inc http://www.candelatech.com