Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757653AbYAVFwW (ORCPT ); Tue, 22 Jan 2008 00:52:22 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754762AbYAVFwA (ORCPT ); Tue, 22 Jan 2008 00:52:00 -0500 Received: from mail.gmx.net ([213.165.64.20]:41476 "HELO mail.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1753293AbYAVFv7 (ORCPT ); Tue, 22 Jan 2008 00:51:59 -0500 X-Authenticated: #14349625 X-Provags-ID: V01U2FsdGVkX1+bONB5oFSbtO6Sg/rmeKGpsz2Ap8zwKFuT6Whlpr ueTh5WLhsJ87Ez Subject: Re: 2.6.24 regression: pan hanging unkilleable and un-straceable From: Mike Galbraith To: Nick Piggin Cc: Frederik Himpe , linux-kernel@vger.kernel.org In-Reply-To: <200801221625.58615.nickpiggin@yahoo.com.au> References: <1200949086.6648.19.camel@Anastacia> <200801221105.11413.nickpiggin@yahoo.com.au> <1200978207.3944.8.camel@homer.simson.net> <200801221625.58615.nickpiggin@yahoo.com.au> Content-Type: text/plain Date: Tue, 22 Jan 2008 06:47:08 +0100 Message-Id: <1200980828.4643.11.camel@homer.simson.net> Mime-Version: 1.0 X-Mailer: Evolution 2.12.0 Content-Transfer-Encoding: 7bit X-Y-GMX-Trusted: 0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 652 Lines: 22 On Tue, 2008-01-22 at 16:25 +1100, Nick Piggin wrote: > On Tuesday 22 January 2008 16:03, Mike Galbraith wrote: > > I've hit same twice recently (not pan, and not repeatable). > > Nasty. The attached patch is something really simple that can sometimes help. > sysrq+p is also an option, if you're on a UP system. SMP (P4/HT imitating real cores) > Any luck getting traces? We'll see. Armed. -Mike -- 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/