Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756294AbYHGVMh (ORCPT ); Thu, 7 Aug 2008 17:12:37 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751738AbYHGVM0 (ORCPT ); Thu, 7 Aug 2008 17:12:26 -0400 Received: from gprs189-60.eurotel.cz ([160.218.189.60]:45537 "EHLO gprs189-60.eurotel.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753907AbYHGVMZ (ORCPT ); Thu, 7 Aug 2008 17:12:25 -0400 Date: Thu, 7 Aug 2008 12:38:18 +0200 From: Pavel Machek To: kernel list , ACPI mailing list , Andi Kleen , "Rafael J. Wysocki" Subject: Re: 2.6.27-rc1: critical thermal shutdown on thinkpad x60 Message-ID: <20080807103818.GA1576@elf.ucw.cz> References: <20080806090246.GA1572@elf.ucw.cz> <20080807091318.GA1585@elf.ucw.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20080807091318.GA1585@elf.ucw.cz> 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: 2334 Lines: 60 Hi! > > Aug 6 11:00:10 amd kernel: ACPI: Critical trip point > > Aug 6 11:00:10 amd kernel: Critical temperature reached (128 C), > > shutting down. > > Aug 6 11:00:10 amd shutdown[24414]: shutting down for system halt > > > > ...and machine went down at that point :-(. > > This one is quite repeatable: > > Aug 7 10:46:24 amd dhclient: DHCPACK from 10.20.0.2 > Aug 7 10:46:24 amd dhclient: bound to 10.20.5.28 -- renewal in 7200 > seconds. > Aug 7 10:50:46 amd kernel: thinkpad_acpi: unhandled HKEY event 0x6022 > Aug 7 10:51:03 amd last message repeated 48 times > Aug 7 10:51:05 amd kernel: ACPI: Critical trip point > Aug 7 10:51:05 amd kernel: Critical temperature reached (128 C), > shutting down. > Aug 7 10:51:05 amd shutdown[1928]: shutting down for system halt > Aug 7 10:51:06 amd init: Switching to runlevel: 0 > Aug 7 10:51:06 amd kernel: thinkpad_acpi: unhandled HKEY event 0x6022 > Aug 7 10:51:09 amd last message repeated 7 times > Aug 7 10:51:09 amd kernel: ACPI: Critical trip point > Aug 7 10:51:09 amd kernel: Critical temperature reached (128 C), > shutting down. > Aug 7 10:51:12 amd exiting on signal 15 > Aug 7 10:54:01 amd syslogd 1.5.0#1: restart. > Aug 7 10:54:01 amd kernel: klogd 1.5.0#1, log source = /proc/kmsg > started. > > ...and it does not seem to be stray reading from the sensor: cat > /proc/acpi/therm*/*/* shows the bogus value in like 5 consecutive > readings. > > Plus the temperature rises up to 95C before this triggers, and machine > is so hot it refuses to start again. Trip points seem to assume 128C, > too: > > root@amd:~# cat /proc/acpi/thermal_zone/THM*/trip* > critical (S5): 127 C > critical (S5): 97 C > passive: 93 C: tc1=5 tc2=4 tsp=600 devices=CPU0 CPU1 > root@amd:~# while true; do echo -n; done & while true; do echo -n; done & is enough to trigger this. According to /proc/acpi/ibm, fan is running too slowly...? 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/