From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261994AbVC1TMa (ORCPT ); Mon, 28 Mar 2005 14:12:30 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262005AbVC1TMa (ORCPT ); Mon, 28 Mar 2005 14:12:30 -0500 Received: from graphe.net ([209.204.138.32]:21775 "EHLO graphe.net") by vger.kernel.org with ESMTP id S261994AbVC1TM0 (ORCPT ); Mon, 28 Mar 2005 14:12:26 -0500 Date: Mon, 28 Mar 2005 11:12:22 -0800 (PST) From: Christoph Lameter X-X-Sender: christoph@server.graphe.net To: "Chen, Kenneth W" cc: "'Oleg Nesterov'" , linux-kernel@vger.kernel.org, Ingo Molnar , Andrew Morton Subject: RE: [PATCH 0/5] timers: description In-Reply-To: <200503261952.j2QJq1g27569@unix-os.sc.intel.com> Message-ID: References: <200503261952.j2QJq1g27569@unix-os.sc.intel.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Spam-Score: -5.9 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sat, 26 Mar 2005, Chen, Kenneth W wrote: > Oleg Nesterov wrote on March 19, 2005 17:28:48 > > These patches are updated version of 'del_timer_sync: proof of > > concept' 2 patches. > > I changed schedule_timeout() to call the new del_timer_sync instead of > currently del_singleshot_timer_sync in attempt to stress these set of > patches a bit more and I just observed a kernel hang. > > The symptom starts with lost network connectivity. It looks like the > entire ethernet connections were gone, followed by blank screen on the > console. I'm not sure whether it is a hard or soft hang, but system > is inaccessible (blank screen and no network connection). I'm forced > to do a reboot when that happens. Same problems here with occasional hangs w/o changes to schedule_timeout.