Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751506AbWEaAkt (ORCPT ); Tue, 30 May 2006 20:40:49 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751511AbWEaAkt (ORCPT ); Tue, 30 May 2006 20:40:49 -0400 Received: from mx1.redhat.com ([66.187.233.31]:25533 "EHLO mx1.redhat.com") by vger.kernel.org with ESMTP id S1751506AbWEaAks (ORCPT ); Tue, 30 May 2006 20:40:48 -0400 Date: Tue, 30 May 2006 20:40:40 -0400 From: Dave Jones To: Eric Sandall Cc: linux-kernel@vger.kernel.org, Mattia Dongili Subject: Re: cpufreq and kernel >2.6.15.6 is limited Message-ID: <20060531004040.GI13966@redhat.com> Mail-Followup-To: Dave Jones , Eric Sandall , linux-kernel@vger.kernel.org, Mattia Dongili References: <447CE276.5080808@sandall.us> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <447CE276.5080808@sandall.us> User-Agent: Mutt/1.4.2.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 900 Lines: 24 On Tue, May 30, 2006 at 05:25:26PM -0700, Eric Sandall wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > It seems that any kernel on my Dell Inspiron 5100 after 2.6.15.6 > (including 2.6.17-rc5) 'breaks' my cpufreq in that up to and including > 2.6.15.6 I can scale between 300MHz-2.4GHz, but after (starting with > 2.6.16) I can only scale between 2.1GHz and 2.4GHz. > > I've attached the files, sorted by kernel, I assume may be helpful. Let > me know if you need any more. It may have worked in the past, but the CPU has an errata which makes it an unsafe operation to scale below 2GHz. Dave -- http://www.codemonkey.org.uk - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/