From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Rafael J. Wysocki" Subject: Re: Unexcepted shutdown in 2.6.28-rc5 Date: Sun, 7 Dec 2008 22:17:03 +0100 Message-ID: <200812072217.04150.rjw@sisk.pl> References: <4925EF01.2070405@gmail.com> <1227229754.15014.280.camel@rzhang-dt> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-15" Content-Transfer-Encoding: 7bit Return-path: Received: from ogre.sisk.pl ([217.79.144.158]:34693 "EHLO ogre.sisk.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751202AbYLGVR6 (ORCPT ); Sun, 7 Dec 2008 16:17:58 -0500 In-Reply-To: <1227229754.15014.280.camel@rzhang-dt> Content-Disposition: inline Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Zhang Rui Cc: Maxime Poncet , "linux-acpi@vger.kernel.org" , Zhao Yakui , Alexey Starikovskiy , Len Brown On Friday, 21 of November 2008, Zhang Rui wrote: > On Fri, 2008-11-21 at 07:13 +0800, Maxime Poncet wrote: > > Hi, > > > > I have the same problem in 2.6.28-rc5 and 2.6.27.x : > > my laptop shutdown automatically while working on it. > > > > That problem doesn't appear in 2.6.28-rc3. > > > there are not many ACPI changes between 2.6.28-rc3 and -rc5. > it would be great if you can use git-bisect to find out > which commit introduces this regression. > > thanks, > rui > > > This terminal output show well the problem > > $uname -a > > 2.6.28-rc5 > > $while true; > > do cat /proc/acpi/thermal_zone/THRM/temperature; > > sleep 1; > > done > > > > ... > > temperature: 51 C > > temperature: 51 C > > temperature: 144 C > > > > And then it shutdowns because critical temperature was reached > > > > Another thing that might be important : the output of dmesg > > Every 5 seconds this message appears (not in 2.6.28-rc3): > > > > ACPI: Transitioning device [FAN] to D3 > > ACPI: Unable to turn cooling device [ffff81007fb656d0] 'off' > > > > Hope it will help you. I wonder why _may_ be the reason of this. Alex? Rafael