From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Rafael J. Wysocki" Subject: Re: [linux-pm] intermittent suspend problem again Date: Fri, 30 Oct 2009 21:38:37 +0100 Message-ID: <200910302138.37938.rjw@sisk.pl> References: <87fx93pwv2.fsf@tac.ki.iif.hu> <200910301918.53301.rjw@sisk.pl> <87k4yc3drd.fsf@tac.ki.iif.hu> Mime-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Return-path: Received: from ogre.sisk.pl ([217.79.144.158]:56071 "EHLO ogre.sisk.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757359AbZJ3Ugl (ORCPT ); Fri, 30 Oct 2009 16:36:41 -0400 In-Reply-To: <87k4yc3drd.fsf@tac.ki.iif.hu> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Ferenc Wagner Cc: linux-pm@lists.linux-foundation.org, Jesse Barnes , Andrew Morton , yakui.zhao@intel.com, LKML , ACPI Devel Maling List , Len Brown On Friday 30 October 2009, Ferenc Wagner wrote: > "Rafael J. Wysocki" writes: > > > On Thursday 29 October 2009, Ferenc Wagner wrote: > > > >> "Rafael J. Wysocki" writes: > >> > >>> Which part of it is getting slower? Saving the image, suspending > >>> devices or the entire hibernation overall? > >> > >> "Snapshotting system" before saving the image > > > > That may be a result of changing the way in which image memory is reserved. > > How much memory is there in your machine? > > 512 MB. So it's likely the slowdown results from the memory management rework. Hopefully, it'll improve in the future. > >> and saving the image as well. If s2disk didn't report funny huge negative > >> ratios all the time, > > > > Hmm. This looks like a bug in s2disk. > > Definitely. Do you also experience this? Not really, but I use newer versions. > Probably an easy one, but I've never had the chance to check the CVS version > (running 0.7 at the moment). I can probably give 0.8 a spin if you deem > necessary. I always thought it wasn't more than a cosmetic flaw. It probably is. You can try the current version from my git tree at: git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-utils.git Thanks, Rafael