From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754799Ab0ISUXy (ORCPT ); Sun, 19 Sep 2010 16:23:54 -0400 Received: from mailout-de.gmx.net ([213.165.64.23]:35765 "HELO mail.gmx.net" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with SMTP id S1752021Ab0ISUXx (ORCPT ); Sun, 19 Sep 2010 16:23:53 -0400 X-Authenticated: #57309416 X-Provags-ID: V01U2FsdGVkX1+bq6gRrXGbn4TiiQ/3bnh5TAuheVyrTsb0UHUEFo gtuwg8RqJbhUaz Date: Sun, 19 Sep 2010 22:23:46 +0200 From: Lukas =?iso-8859-1?Q?Gr=E4sslin?= To: Norbert Preining Cc: linux-kernel@vger.kernel.org Subject: Re: changing the default cpufreq governor freezes laptop on suspend Message-ID: <20100919202331.GA27077@home-server.graesslin.de> References: <20100723011514.GD19985@gamma.logic.tuwien.ac.at> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20100723011514.GD19985@gamma.logic.tuwien.ac.at> User-Agent: Mutt/1.5.20 (2009-06-14) X-Y-GMX-Trusted: 0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Are there any news? I have exactly the same problem with stable 2.6.35. It's not so a dramatic bug because the workaround (settings that temporarily govenor in the pm-utils script to something that does not exist, which means it is skipped) is ok and has actually no byeffects, but it would still be nice to have that fixed :) On Fri, Jul 23, 2010 at 10:15:14AM +0900, Norbert Preining wrote: > Dear all, > > (please Cc) > > some time ago I switched from 2.6.35-rc1 to -rc2 and about the same time > I regularly got problems with suspend to ram. I first thought that this > is a graphics card issue > (see http://marc.info/?l=linux-kernel&m=127582534931581&w=2) > but it turned out that using echo mem > /sys/power/state works very > reliable. > > I finally got around to check the scripts of pm-utils managing the > suspend process here on Debian/sid, and I found that one of the > scripts, before going to sleep, changes the default cpufreq governor > to performance, doing in principle: > cat /sys/devices/system/cpu/cpuN/cpufreq/scaling_governor > savedstate > echo "performance" > /sys/..... > Interestingly, as soon as I disabled these two line the suspend process > became again as stable as before using pm-utils, and as stable as the > echo mem method. > > My laptop is intel core2: > Intel(R) Core(TM)2 Duo CPU P9500 @ 2.53GHz > running Debian/sid, on self compiled git kernels pulled from Linus' repo. > > Please let me know what further information I can provide, or how to help > > Best wishes > > Norbert > ------------------------------------------------------------------------ > Norbert Preining preining@{jaist.ac.jp, logic.at, debian.org} > JAIST, Japan TeX Live & Debian Developer > DSA: 0x09C5B094 fp: 14DF 2E6C 0307 BE6D AD76 A9C0 D2BF 4AA3 09C5 B094 > ------------------------------------------------------------------------ > CLOVIS (q.v.) > One who actually looks forward to putting up the Christmas decorations > in the office. > --- Douglas Adams, The Meaning of Liff > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ > > -- Lukas Grässlin GnuPG-Key: http://lg.ath.cx/lukasgraesslin@gmx.de.asc