From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Renninger Subject: Re: Dell bios + cpufreqd problem Date: Thu, 03 Aug 2006 14:09:52 +0200 Message-ID: <1154606992.4302.496.camel@queen.suse.de> References: Reply-To: trenn@suse.de Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: cpufreq-bounces@lists.linux.org.uk Errors-To: cpufreq-bounces+glkc-cpufreq=m.gmane.org+glkc-cpufreq=m.gmane.org@lists.linux.org.uk Content-Type: text/plain; charset="us-ascii" To: Stijn Van Nieuwenhuyse Cc: cpufreq@lists.linux.org.uk On Thu, 2006-08-03 at 11:32 +0200, Stijn Van Nieuwenhuyse wrote: > I have posted a couple of monts ago a bugreport about my cpufreq problems. > I have a Dell Latitude D800 with a Dothan Pentium M processor. > When I switched to ac adapter, the frequency was locked to 600 MHz > (frequency should be within 600 MHz and 600 MHz). In the meantime this > problem has been resolved. > > I have noticed approximately the same problem again while running cpufeqd. > If I only use cpufrequtils and set the governor with cpufreq-set, > everything seems to be working (when I switch to battery, the > processor is locked for approximately 15 seconds to 600 MHz, but > afterwards, everything is OK) > But if I use cpufreqd, the processor is locked to 600 MHz when I > switch to battery, and the maximum freqency does not get updated. A > workaround I have found is restarting the cpufreqd daemon. > (when I boot on battery power, cpufreq-info gives the correct output, > when I switch to ac adapter and to battery again, the problem occurs > again. > > Can somebody point my to a solution for my problem? > > I am running Gentoo Linux with 2.6.16-suspend2-r8 kernel. This problem should be fixed in more recent kernels. Thomas