Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753893AbYHMU05 (ORCPT ); Wed, 13 Aug 2008 16:26:57 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753201AbYHMU0r (ORCPT ); Wed, 13 Aug 2008 16:26:47 -0400 Received: from gprs189-60.eurotel.cz ([160.218.189.60]:36233 "EHLO gprs189-60.eurotel.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753095AbYHMU0q (ORCPT ); Wed, 13 Aug 2008 16:26:46 -0400 Date: Wed, 13 Aug 2008 22:28:01 +0200 From: Pavel Machek To: Henrique de Moraes Holschuh Cc: Milan Broz , Andi Kleen , kernel list , ACPI mailing list Subject: Re: 2.6.27-rc1: critical thermal shutdown on thinkpad x60 Message-ID: <20080813202801.GC8861@elf.ucw.cz> References: <20080806090246.GA1572@elf.ucw.cz> <87bq046cht.fsf@basil.nowhere.org> <20080812094135.GA1565@elf.ucw.cz> <20080812105409.GA1366@one.firstfloor.org> <48A16EFC.1050401@redhat.com> <20080812112602.GA2948@elf.ucw.cz> <20080813201359.GA27546@khazad-dum.debian.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20080813201359.GA27546@khazad-dum.debian.net> X-Warning: Reading this can be dangerous to your mental health. User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1412 Lines: 30 On Wed 2008-08-13 17:13:59, Henrique de Moraes Holschuh wrote: > On Tue, 12 Aug 2008, Pavel Machek wrote: > > > Now, the CPU cores remains on 1.67GHz and fan is unable to cool them properly > > > under heavy load (even if I set "level disengaged" through thinkpad fan control, > > > temperature sensor shows after a while 128 C (probably not real temp, > > > I expect some critical flag => and it properly switch off the > > > system...) > > > > How do you control fans? I could not get anything but -EINVAL from IBM > > ACPI driver :-(. > > thinkpad-acpi will regard 128 and -128 as invalid sensors, because that's > how they are used in some BIOSes (and ECs). We used to bother only with > -128, but Lenovo did something wierd in one of the EC firmwares and I had to > add +128 too. That masks the "help, I am melting" reading. It was simpler than that. I did not pass "fan_control=1" option. (Actually... I do not think that option is needed. If fan control is known to work, it should be just enabled...) Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/