Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753054Ab0AJBfb (ORCPT ); Sat, 9 Jan 2010 20:35:31 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752500Ab0AJBfa (ORCPT ); Sat, 9 Jan 2010 20:35:30 -0500 Received: from casper.infradead.org ([85.118.1.10]:59775 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751475Ab0AJBfa (ORCPT ); Sat, 9 Jan 2010 20:35:30 -0500 Date: Sat, 9 Jan 2010 17:38:06 -0800 From: Arjan van de Ven To: Dimitrios Apostolou Cc: Alex Chiang , Len Brown , Bjorn Helgaas , Andrew Morton , Yinghai Lu , linux-kernel@vger.kernel.org Subject: Re: High cpu temperature with 2.6.32, bisection shows commit 69d258 (fwd) Message-ID: <20100109173806.31fed620@infradead.org> In-Reply-To: References: <20100108171513.GB22713@ldl.fc.hp.com> <20100109134352.3dedd4ea@infradead.org> <20100109160836.26a344a9@infradead.org> <20100109164240.43b21247@infradead.org> Organization: Intel X-Mailer: Claws Mail 3.7.3 (GTK+ 2.16.6; i586-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1104 Lines: 30 On Sun, 10 Jan 2010 03:05:38 +0200 (EET) Dimitrios Apostolou wrote: > > So thanks for the patch, I guess it works, and my bet is that this > case applies to L8400* (not only B models), except if it is fixed by > some old BIOS upgrade that I must have missed. > > While testing your patch, indeed the temperature was not rising and > everything was normal, but the tsc was not marked as unstable so it > didn't switch to acpi_pm clocksource, so that was probably the reason. that's a feature ;-) tsc is much nicer than acpi_pm. now, if you have working C2 you get power savings back for going the going-back-to-acpi_pm... but since for you, C2 doesn't.... you're now much better off ... -- Arjan van de Ven Intel Open Source Technology Centre For development, discussion and tips for power savings, visit http://www.lesswatts.org -- 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/