From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Renninger Subject: Re: cpufreq doesn't seem to work in Intel Q9300 Date: Fri, 8 Aug 2008 14:30:41 +0200 Message-ID: <200808081430.43012.trenn@suse.de> References: <514e099a0808030300u140a0ae7m92a2e7294f39f7b7@mail.gmail.com> <514e099a0808080310n15d56d79k98587ca73111db59@mail.gmail.com> <514e099a0808080343y41f279fbhc10b1539bfddb548@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Return-path: Received: from mx2.suse.de ([195.135.220.15]:55633 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754625AbYHHMap (ORCPT ); Fri, 8 Aug 2008 08:30:45 -0400 In-Reply-To: <514e099a0808080343y41f279fbhc10b1539bfddb548@mail.gmail.com> Content-Disposition: inline Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: S K Cc: Alan Jenkins , Zhao Yakui , linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org On Friday 08 August 2008 12:43:02 S K wrote: > On 8/8/08, S K wrote: > > My machine has acpi-cpufreq module, but when I try to load it, I get: > > FATAL: Error inserting acpi_cpufreq > > > > (/lib/modules/2.6.25.11-97.fc9.i686/kernel/arch/x86/kernel/cpu/cpufreq/ac > >pi-cpufreq.ko): No such device > > > > Btw, yes, cpu freq scaling works in Windows XP. What should I look for > > in Windows? > > > > I build my own system, so I have gone through my system BIOS several > > times and don't remember anything related to freq scaling. But I will > > check again. > > There is a "PPM mode" option which has possible values: > Native - Native mode is for fully support ACPI OS (ex. Win XP, Vista) > SMM - SMM mode is for legacy OS (ex. Win 2k) > > Setting it to SMM didn't help. Gave the same error for acpi_cpufreq. > > Btw, you were right about FC trying all the module, but it apparently > tried only speedstep modules for some reason. It's clear from my > dmesg.txt that all the speedstep modules are attempted. > > Forgot one obvious thing when I ran dmesg -- forgot to run it after > trying modprobe acpi_cpufreq. > This is what I get when I do that: > > acpi-cpufreq: acpi_cpufreq_init > acpi-cpufreq: acpi_cpufreq_early_init > cpufreq-core: trying to register driver acpi-cpufreq > cpufreq-core: adding CPU 0 > acpi-cpufreq: acpi_cpufreq_cpu_init > cpufreq-core: initialization failed > cpufreq-core: adding CPU 1 > acpi-cpufreq: acpi_cpufreq_cpu_init > cpufreq-core: initialization failed > cpufreq-core: adding CPU 2 > acpi-cpufreq: acpi_cpufreq_cpu_init > cpufreq-core: initialization failed > cpufreq-core: adding CPU 3 > acpi-cpufreq: acpi_cpufreq_cpu_init > cpufreq-core: initialization failed > cpufreq-core: no CPU initialized for driver acpi-cpufreq > cpufreq-core: unregistering CPU 0 > cpufreq-core: unregistering CPU 1 > cpufreq-core: unregistering CPU 2 > cpufreq-core: unregistering CPU 3 > > Attaching the files I sent to Zaho so others can look at it too. Try updating the BIOS. I expect your CPU is too new and the BIOS cannot export the correct freq values for the specific CPU yet. Thomas