From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750873AbWGQPtQ (ORCPT ); Mon, 17 Jul 2006 11:49:16 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750871AbWGQPtQ (ORCPT ); Mon, 17 Jul 2006 11:49:16 -0400 Received: from e33.co.us.ibm.com ([32.97.110.151]:21678 "EHLO e33.co.us.ibm.com") by vger.kernel.org with ESMTP id S1750870AbWGQPtP (ORCPT ); Mon, 17 Jul 2006 11:49:15 -0400 Date: Mon, 17 Jul 2006 10:50:49 -0500 From: Brandon Philips To: "Rafael J. Wysocki" Cc: Linux Kernel Mailing List Subject: Re: suspend/hibernate to work on thinkpad x60s? Message-ID: <20060717154759.GB5661@plankton.ifup.org> References: <44B5CE77.9010103@cmu.edu> <20060716222846.GA5741@plankton.ifup.org> <20060716225111.GA5661@plankton.ifup.org> <200607171114.26160.rjw@sisk.pl> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200607171114.26160.rjw@sisk.pl> User-Agent: Mutt/1.5.11+cvs20060403 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On 11:14 Mon 17 Jul 2006, Rafael J. Wysocki wrote: > On Monday 17 July 2006 00:51, Brandon Philips wrote: > > On 17:28 Sun 16 Jul 2006, Brandon Philips wrote: > > > On 08:31 Thu 13 Jul 2006, Jeremy Fitzhardinge wrote: > > > > George Nychis wrote: > > > > >I am not seeing any problems at all, though I am not seeing anything > > > > >happen :) > > > > > > > > > >If I Fn+suspend... nothing happens ... if i Fn+hibernate ... nothing > > > > >happens > > > > > > > > > >What patches did you use? > > > > Sounds like your first step is to set up acpi. What distro are you > > > > using? What happens if you do "echo -n mem > /sys/power/state"? > > > > > > > > The patches you need are to make the ahci disk interface resume > > > > properly. There's a series of 6 patches from Forrest Zhao which he > > > > posted to the linux-ide list, and they apply cleanly to 2.6.18-rc1-mm1. > > > > > > I have tried Zhao's patches[1] against 2.6.18-rc1-mm{1,2} and 2.6.18-rc1 > > > and the suspend always stops at: > > > > > > "Switching to UP mode" > > > > > > At that point it hangs; giving a Ctrl+Alt+Del reboots the machine > > > cleanly. > > > > > > I want to see AHCI suspend working. So, I am happy to try other patches > > > or debugging steps. > > > > I just tried booting 2.6.18-rc1-mm1 again and got the following > > stacktrace which suggests a problem with the ondemand governor. > > > > After switching to the performance govenor I was able to suspend on > > 2.6.18-rc1 and 2.6.18-rc1-mm1. > > > > Brandon > Could you please create a bugzilla entry for the ondemand governor problem > and put this trace in there? Bug URL: http://bugzilla.kernel.org/show_bug.cgi?id=6851 Thanks, Brandon