From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932400Ab1KCCEw (ORCPT ); Wed, 2 Nov 2011 22:04:52 -0400 Received: from imr4.ericy.com ([198.24.6.9]:51671 "EHLO imr4.ericy.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932124Ab1KCCEs (ORCPT ); Wed, 2 Nov 2011 22:04:48 -0400 Date: Wed, 2 Nov 2011 19:03:01 -0700 From: Guenter Roeck To: Lars =?iso-8859-1?Q?Nood=E9n?= CC: "linux-kernel@vger.kernel.org" , lm-sensors@lm-sensors.org, Henrik Rydberg Subject: Re: Hardware running hot and without the fan Message-ID: <20111103020301.GA22333@ericsson.com> References: <4EB1108F.6070009@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <4EB1108F.6070009@gmail.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org >>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 ? Also, do you get any output from the sensors command on the notebook ? Thanks, Guenter