From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759848Ab0KQHkA (ORCPT ); Wed, 17 Nov 2010 02:40:00 -0500 Received: from tomasu.net ([64.85.170.234]:58754 "EHLO mail.tomasu.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753849Ab0KQHj7 (ORCPT ); Wed, 17 Nov 2010 02:39:59 -0500 From: Thomas Fjellstrom Reply-To: thomas@fjellstrom.ca To: Linux Kernel List Subject: Re: kernel lockups with 2.6.36 Date: Wed, 17 Nov 2010 00:39:54 -0700 User-Agent: KMail/1.13.5 (Linux/2.6.36; KDE/4.5.2; x86_64; svn-1188918; 2010-10-21) References: <201011141009.15691.thomas@fjellstrom.ca> In-Reply-To: <201011141009.15691.thomas@fjellstrom.ca> MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <201011170039.54869.thomas@fjellstrom.ca> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On November 14, 2010, you wrote: > Today I experienced something odd, several kernel threads locked up in > several different subsystems. It caused X to lock up, and not draw > anything, access to nfs died, and trying to unmount, remount readonly, or > do much other than ssh and copy files with scp (which may or may not have > been in cache, might have been) locked up. > > I'm using a vanila 2.6.36. > > It looks to me like fscache/cachefiles may have started the problem, but I > can't be sure, and I'm not entirely sure why that would cause i915 to lock > up as well. I've disabled cachefiles for now, thinking that might make it > go away. (its locked up twice today) > > here's the entire dmesg: [snip] Does anyone know whats going on here? Is it just a fscache bug? Or something a little more insidious (since it seemed to cause a drm/intel_gfx lockup as well?) -- Thomas Fjellstrom thomas@fjellstrom.ca