From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754804AbXFPGro (ORCPT ); Sat, 16 Jun 2007 02:47:44 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752237AbXFPGri (ORCPT ); Sat, 16 Jun 2007 02:47:38 -0400 Received: from www.osadl.org ([213.239.205.134]:55026 "EHLO mail.tglx.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752202AbXFPGrh (ORCPT ); Sat, 16 Jun 2007 02:47:37 -0400 Subject: Re: Jinxed VAIO wreckage - current state of affairs From: Thomas Gleixner To: Andrew Morton Cc: Randy Dunlap , "Rafael J. Wysocki" , LKML , Ingo Molnar , Len Brown In-Reply-To: <20070615233138.78a79b00.akpm@linux-foundation.org> References: <1181418873.4404.402.camel@chaos> <200706092259.50694.rjw@sisk.pl> <20070609200827.635fec79.akpm@linux-foundation.org> <1181909157.8176.342.camel@chaos> <20070615082324.203610ec.randy.dunlap@oracle.com> <1181921466.8176.356.camel@chaos> <20070615233138.78a79b00.akpm@linux-foundation.org> Content-Type: text/plain Date: Sat, 16 Jun 2007 08:47:33 +0200 Message-Id: <1181976453.8176.362.camel@chaos> Mime-Version: 1.0 X-Mailer: Evolution 2.10.1 (2.10.1-4.fc7) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2007-06-15 at 23:31 -0700, Andrew Morton wrote: > > > > http://www.tglx.de/projects/hrtimers/2.6.22-rc4/patch-2.6.22-rc4-hrt10.patch > > > > That suspends and resumes OK. > > What was the bug? A stupid state check, which prevented the PIT to be setup again. So the box got stuck waiting for a timer to expire. Still I can not explain, why this resulted in this strange "disappear in the return instruction" behavior. tglx