From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756073Ab1KCPTa (ORCPT ); Thu, 3 Nov 2011 11:19:30 -0400 Received: from mail-fx0-f46.google.com ([209.85.161.46]:62419 "EHLO mail-fx0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755670Ab1KCPT3 (ORCPT ); Thu, 3 Nov 2011 11:19:29 -0400 Message-ID: <4EB2B0FD.309@gmail.com> Date: Thu, 03 Nov 2011 17:19:25 +0200 From: =?UTF-8?B?TGFycyBOb29kw6lu?= User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:7.0.1) Gecko/20110929 Thunderbird/7.0.1 MIME-Version: 1.0 To: guenter.roeck@ericsson.com 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> <4EB250FD.3070000@gmail.com> <20111103134902.GA26121@ericsson.com> <4EB2A46B.8080600@gmail.com> <1320332801.2309.60.camel@groeck-laptop> In-Reply-To: <1320332801.2309.60.camel@groeck-laptop> X-Enigmail-Version: 1.4a1pre Content-Type: text/plain; charset=UTF-8 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 05:06 PM, Guenter Roeck wrote: > On Thu, 2011-11-03 at 10:25 -0400, Lars Noodén wrote: [snip] >> The one machine reports one fan and the other two fans. I haven't found >> a way to set the fan speed manually. The output from sensors >> is >> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/881593/comments/44 >> and here >> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/881593/comments/47 > > Do the fans actually turn, or is the output bogus ? The output is bogus, the fans are not turning. On #47 there above, I think the temperatures might be inaccurate, too. Since they'll go up and down as much as 8 degrees in a few seconds. > You should be able to set the fan speed by writing into the fanX_input > and/or fanX_output sysfs attributes. You find those > in /sys/class/hwmon/hwmon0/device (assuming there is only one hwmon > device). I can set the fan speed manually. e.g.: echo 3500 > /sys/class/hwmon/hwmon0/device/fan1_output That helps some. /Lars