From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261720AbUB0Sdy (ORCPT ); Fri, 27 Feb 2004 13:33:54 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262933AbUB0Sdy (ORCPT ); Fri, 27 Feb 2004 13:33:54 -0500 Received: from pcp701542pcs.bowie01.md.comcast.net ([68.50.82.18]:51537 "EHLO floyd.gotontheinter.net") by vger.kernel.org with ESMTP id S261720AbUB0SdX (ORCPT ); Fri, 27 Feb 2004 13:33:23 -0500 Subject: Re: Mobile Intel Pentium(R) 4 - M CPU 2.60GHz - kernel 2.6.3 From: Disconnect To: lkml In-Reply-To: <20040227004631.31D663982E7@ws5-1.us4.outblaze.com> References: <20040227004631.31D663982E7@ws5-1.us4.outblaze.com> Content-Type: text/plain Message-Id: <1077906333.9395.40.camel@slappy> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.5 Date: Fri, 27 Feb 2004 13:25:34 -0500 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Same box, same problem. (Different kernel, 2.4) Its thermal limiting - you -really- want cpufreq (or at least acpi) so that linux knows whats going on. I've found that running 'i8kfan 2 2' (blast fans), hit fn-z (tell bios to reset fans) and then setting the fans to 1 1 (medium) will keep it from happening, much of the time. Alternately, just fn-z might do it, but it'll kick in again.. (Basically, the cooling on this thing sucks under heavy workloads.) On Thu, 2004-02-26 at 19:46, Bob Dobbs wrote: > Hello, > > I am currently running kernel 2.6.3 on my Dell Inspiron 8500 laptop. > I disabled all the ACPI and APM options in the kernel. > > I have upgraded my bios > I have tried from kernel 2.4.23 up to mm and love-sources and my current kernel 2.6.3. > > What happens is during heavy loads my cpu drops from 2.60GHz down to 1.20GHz, this happens for a few minutes, say 5 - 10 at the most. But performance while running a game, puts the game into slow motion. (Which is weird because 1.20GHz should be more than enough to run all of the games I currently have). I have read up on the documentation in /usr/src/linux/Documentation, under the "power" and "cpu-freq" but after disabling ACPI and such, those options do not seem to work anymore. > > I have also tried running a program called "cpufreqd" which launches at boot time, but once again without ACPI enabled in the kernel this seems not to work either. Also /sys/devices/system/cpu/cpu0/cpufreq/ has the following files. > > cpuinfo_min_freq > cpuinfo_max_freq > scaling_min_freq > scaling_max_freq > > I even tried to echo the options at bootup: > > echo 2600000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq & > echo 2000000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq & > > I tried to make those files set at: 2.00GHz min and 2.60GHz max, but something changes them right back to 1.20GHZ no matter what I do. > > I am sure I am missing something, but atm I am totally lost.. and I could surely be doing everything wrong to begin with... that is why I am asking for help. > > Is there a patch or anything to force the cpu to run at 2.60GHz all the time? > > Thank you -- Disconnect