From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756126AbXKBNdi (ORCPT ); Fri, 2 Nov 2007 09:33:38 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753981AbXKBNd3 (ORCPT ); Fri, 2 Nov 2007 09:33:29 -0400 Received: from ip-svs-1.Informatik.Uni-Oldenburg.DE ([134.106.12.126]:51759 "EHLO schlidder.svs.informatik.uni-oldenburg.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754096AbXKBNd2 (ORCPT ); Fri, 2 Nov 2007 09:33:28 -0400 Date: Fri, 2 Nov 2007 14:33:23 +0100 From: Philipp Matthias Hahn To: Pavel Machek , "Rafael J. Wysocki" Cc: Kernel Mailing List , linux-pm@lists.linux-foundation.org, Thomas Gleixner Subject: Re: [2.6.23] IBM X41 looses time after Suspend2Disk Message-ID: <20071102133323.GC2780@titan.lahn.de> Mail-Followup-To: Pavel Machek , "Rafael J. Wysocki" , Kernel Mailing List , linux-pm@lists.linux-foundation.org, Thomas Gleixner References: <20071029201955.GA1955@titan.lahn.de> <200710292205.11459.rjw@sisk.pl> <20071030083537.GA2797@titan.lahn.de> <200710302220.34490.rjw@sisk.pl> <20071029201955.GA1955@titan.lahn.de> <20071029212414.GD3692@elf.ucw.cz> <20071029201955.GA1955@titan.lahn.de> <200710292205.11459.rjw@sisk.pl> <20071030083537.GA2797@titan.lahn.de> <20071030210801.GA1767@elf.ucw.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200710302220.34490.rjw@sisk.pl> <20071030210801.GA1767@elf.ucw.cz> Organization: UUCP-Freunde Lahn e.V. User-Agent: Mutt/1.5.16 (2007-06-11) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hello! On Tue, Oct 30, 2007 at 10:08:01PM +0100, Pavel Machek wrote: > > > On Monday, 29 October 2007 21:19, Philipp Matthias Hahn wrote: > > > > I have an IBM X41 tablet pc running 2.6.23 with the following problem: > > > > Suspend2Ram work fine, but when I do a Suspend2Disk (echo disk > > > > > /sys/power/state), the notebook hangs showing the following lines: > > ... > > > > Suspending console(s) > > > > > > > > When I repeatedly press some keys or move the TrackPoint, the SwSusp > > > > continues and the notebook powers off. > > > > On reboot, the notebook resumes but hangs showing the following screen: > > ... > > > > Suspending console(s) > > > > > > > > Generating interrupts by pressing keys or moving the TrackPoints makes > > > > the resume continue. But after that, the notebook looses time, xterms > > > > don't get updated until I press a key, the beeper beeps until I press a > > > > key, etc. ... > > On Mon, Oct 29, 2007 at 10:24:14PM +0100, Pavel Machek wrote: > > > Yep, I seen that before. Try "nohz=off". > > > > Okay, that seems to solve the "timer loosing time after resume" problem. > > > > > > But I still need to press some keys on suspend (7-12 key presses and > > releases) to unhang it. On resume not key presses are needed any > > more. > > So it fixed resume but not suspend? strange. Try highres=off, too. And > maybe irqpoll? highres=off did the trick. Thank you. Does somebody want more data to debug this further? On Tue, Oct 30, 2007 at 10:20:33PM +0100, Rafael J. Wysocki wrote: > Well, have you tried doing "echo platform > /sys/power/disk" before > hibernation instead? It also seems to work, but doesn't improve the situation. I still need to press keys for resume. BYtE Philipp -- / / (_)__ __ ____ __ Philipp Hahn / /__/ / _ \/ // /\ \/ / /____/_/_//_/\_,_/ /_/\_\ pmhahn@titan.lahn.de