From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexey Starikovskiy Subject: Re: 2.6.17 -> 2.6.18 regression: cpufreq broken since 2.6.18-rc1 on pentium4 Date: Sun, 30 Jul 2006 22:07:18 +0400 Message-ID: <44CCF556.2060505@linux.intel.com> References: <20060730120844.GA18293@outpost.ds9a.nl> <20060730160738.GB13377@irc.pl> <20060730165137.GA26511@outpost.ds9a.nl> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20060730165137.GA26511@outpost.ds9a.nl> Sender: linux-kernel-owner@vger.kernel.org List-Id: Content-Type: text/plain; charset="us-ascii"; format="flowed" To: bert hubert , linux-kernel@vger.kernel.org, zwane@arm.linux.org.uk, davej@redhat.com, venkatesh.pallipadi@intel.com, tony@atomide.com, akpm@osdl.org, cpufreq@lists.linux.org.uk Do I understand your logs right and acpi-cpufreq is already loaded and works on your processor? Do you have any info in /sys/devices/system/cpu/cpu0/cpufreq ? Why do you want to load p4-clockmod over it? It does not save you any power, just limits performance. Regards, Alex. bert hubert wrote: >> I have similar problem with cpufreq-nforce2 -- http://lkml.org/lkml/2006/7/7/234 >> I haven't do a git-bisect yet. > > To recap, cpufreq died for at least two people (Tomasz Torcz and me) between > 2.6.17 and 2.6.18-rc1. I've cc'd everybody who touched cpufreq according to > the shortlog. > > Abundant details are in: > > http://lkml.org/lkml/2006/7/30/87 > > New information is that I've narrowed it down from between 2.6.16.9 and > 2.6.18-rc1 to between 2.6.17.7 (which works) and 2.6.18-rc1 (which doesn't). > > The problem exists both with cpufreq as modules and staticly, and both with > P4 and nforce2. > > Please let me know how I can help you solve this problem. I'll try a git > bisect but a lot of the cpufreq changes appear to be interrelated, so I'm > unsure if it will work. > > Thanks! >