From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755536Ab1KCI36 (ORCPT ); Thu, 3 Nov 2011 04:29:58 -0400 Received: from mail-fx0-f46.google.com ([209.85.161.46]:52493 "EHLO mail-fx0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751870Ab1KCI3y (ORCPT ); Thu, 3 Nov 2011 04:29:54 -0400 Message-ID: <4EB250FD.3070000@gmail.com> Date: Thu, 03 Nov 2011 10:29:49 +0200 From: =?ISO-8859-1?Q?Lars_Nood=E9n?= User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.7; rv:7.0.1) Gecko/20110929 Thunderbird/7.0.1 MIME-Version: 1.0 To: Guenter Roeck CC: "linux-kernel@vger.kernel.org" , lm-sensors@lm-sensors.org, Henrik Rydberg Subject: Re: Hardware running hot and without the fan References: <4EB1108F.6070009@gmail.com> <20111103020301.GA22333@ericsson.com> In-Reply-To: <20111103020301.GA22333@ericsson.com> X-Enigmail-Version: 1.3.2 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 11/03/2011 04:03 AM, Guenter Roeck wrote: > From LKML: > > On Wed, Nov 02, 2011 at 05:42:39AM -0400, Lars Noodén wrote: >> There seem to be two problems here, one is that the hardware is >> getting WAY too hot, another is that the fan is not turning on when >> the hardware gets too hot. >> >> $ uname -a Linux xubuntu 3.1.0-999-generic #201110270406 SMP Thu >> Oct 27 08:07:41 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux >> >> I've reported the problem to Ubuntu >> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/881593 and the >> suggestion there was to report it upstream. >> >> On the notebook computer, parts become very hot to the touch while >> running Ubuntu, but the fan does not run even after it gets hot. >> When I boot back to OS X, the fan kicks in and runs until the >> computer returns to being cool to the touch. Similar for the >> desktop, though I must follow the temperature with >> /usr/bin/sensors. >> >> The notebook is a MacBookPro8,2 and the desktop is a Macmini3,1 >> >> What metrics do I need to collect to help fix the problem? I've >> already reported the problem to Ubuntu[2] and the recommendation >> was to try reporting upstream. >> >> Please CC me in the replies. /Lars >> >> [1] http://kernel.ubuntu.com/~kernel-ppa/mainline/daily/current/ >> >> [2] https://bugs.launchpad.net/ubuntu/+source/linux/+bug/881593 > > I see applesmc: : read arg fail in the dmesg log. No idea what that > means. Maybe the driver maintainer or someone else on the lm-sensors > mailing list can help. > > Not sure I understand your comment about having to follow the output > of the sensors command. Can you clarify ? That's to track the temperature manually. > Also, do you get any output from the sensors command on the notebook? > Thanks, Guenter Yes. It claims to have 24 temperature sensors. /Lars