From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933089AbXDAOxf (ORCPT ); Sun, 1 Apr 2007 10:53:35 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S933140AbXDAOxe (ORCPT ); Sun, 1 Apr 2007 10:53:34 -0400 Received: from cavan.codon.org.uk ([217.147.92.49]:57213 "EHLO vavatch.codon.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933089AbXDAOxd (ORCPT ); Sun, 1 Apr 2007 10:53:33 -0400 Date: Sun, 1 Apr 2007 15:53:18 +0100 From: Matthew Garrett To: Jeremy Fitzhardinge Cc: Alexey Starikovskiy , Linux Kernel Mailing List , linux-acpi@vger.kernel.org Message-ID: <20070401145317.GA17776@srcf.ucam.org> References: <460E0158.7090705@goop.org> <8f8ff01d0703310033y74421cfcl747ece1be003471@mail.gmail.com> <460F511E.2090102@goop.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <460F511E.2090102@goop.org> User-Agent: Mutt/1.5.12-2006-07-14 X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: mjg59@codon.org.uk Subject: Re: 2.6.21-rc5: Thinkpad X60 gets critical thermal shutdowns X-SA-Exim-Version: 4.2.1 (built Tue, 20 Jun 2006 01:35:45 +0000) X-SA-Exim-Scanned: Yes (on vavatch.codon.org.uk) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Mar 31, 2007 at 11:28:46PM -0700, Jeremy Fitzhardinge wrote: > That seems to have helped. If I watch > /proc/acpi/thermal_zone/THM?/temperature, it seems stable even under > load. I didn't try watching the thermal_zones when these options were > enabled, but I presume the temperature was not controlled for it to hit > 128 degC. > > What's going on here? Does reading an i2c sensor from the kernel > prevent something else from doing it? The i2c drivers access the same hardware as the ACPI methods, and there's no locking. -- Matthew Garrett | mjg59@srcf.ucam.org