From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753863AbZBPTBW (ORCPT ); Mon, 16 Feb 2009 14:01:22 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751542AbZBPTBL (ORCPT ); Mon, 16 Feb 2009 14:01:11 -0500 Received: from cavan.codon.org.uk ([93.93.128.6]:44279 "EHLO vavatch.codon.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751497AbZBPTBK (ORCPT ); Mon, 16 Feb 2009 14:01:10 -0500 Date: Mon, 16 Feb 2009 19:01:00 +0000 From: Matthew Garrett To: Frans Pop Cc: trenn@suse.de, linux-kernel@vger.kernel.org Subject: Re: cpuinfo shows wrong MHz value Message-ID: <20090216190100.GA10627@srcf.ucam.org> References: <200902142217.51655.jplatte@naasa.net> <20090216165008.GA8249@srcf.ucam.org> <200902161913.16021.trenn@suse.de> <200902161913.16021.trenn@suse.de> <20090216181936.GA9831@srcf.ucam.org> <200902161952.38122.elendil@planet.nl> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200902161952.38122.elendil@planet.nl> User-Agent: Mutt/1.5.12-2006-07-14 X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: mjg59@codon.org.uk X-SA-Exim-Scanned: No (on vavatch.codon.org.uk); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Feb 16, 2009 at 07:52:37PM +0100, Frans Pop wrote: > Matthew Garrett wrote: > > On Mon, Feb 16, 2009 at 07:13:15PM +0100, Thomas Renninger wrote: > >> AFAIK p4-clockmode is still not synchronized with ACPI throttling? > > > > It ought to work fine with any systems using MSR-based throttling. > > So what's your take on this particular bug report then Matthew? Is this a > regression that should be tracked down and fixed, or is this a case where > the user should just not be using the module? It's a bug and it should be fixed. My recollection is that we've hit this kind of thing before - the frequency calculation code is awkward to get right on this hardware. -- Matthew Garrett | mjg59@srcf.ucam.org