From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262851AbUB0NO1 (ORCPT ); Fri, 27 Feb 2004 08:14:27 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262853AbUB0NO1 (ORCPT ); Fri, 27 Feb 2004 08:14:27 -0500 Received: from dragnfire.mtl.istop.com ([66.11.160.179]:3268 "EHLO dsl.commfireservices.com") by vger.kernel.org with ESMTP id S262851AbUB0NOT (ORCPT ); Fri, 27 Feb 2004 08:14:19 -0500 Date: Fri, 27 Feb 2004 08:14:08 -0500 (EST) From: Zwane Mwaikambo To: Bob Dobbs Cc: linux-kernel@vger.kernel.org Subject: Re: Mobile Intel Pentium(R) 4 - M CPU 2.60GHz - kernel 2.6.3 In-Reply-To: <20040227004631.31D663982E7@ws5-1.us4.outblaze.com> Message-ID: References: <20040227004631.31D663982E7@ws5-1.us4.outblaze.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 27 Feb 2004, Bob Dobbs wrote: > 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. Just to clarify, the cpu-freq driver does not operate normally when ACPI is disabled? Which cpu-freq driver are you using? > 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. Out of interest do you have CONFIG_X86_MCE_P4THERMAL enabled? > 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?