linux-kernel - Re: x60 - spontaneous thermal shutdown

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Date:	Tue, 5 Sep 2006 00:35:20 +0200
From:	Pavel Machek <pavel@....cz>
To:	Andreas Mohr <andi@...x01.fht-esslingen.de>
Cc:	ACPI mailing list <linux-acpi@...r.kernel.org>,
	kernel list <linux-kernel@...r.kernel.org>
Subject: Re: x60 - spontaneous thermal shutdown

Hi!

> > x60 shut down after quite a while of uptime, in period of quite heavy
> > load:
> > 
> > Sep  4 23:33:01 amd kernel: ACPI: Critical trip point
> > Sep  4 23:33:01 amd kernel: Critical temperature reached (128 C), shutting down.
> > Sep  4 23:33:01 amd shutdown[32585]: shutting down for system halt
> > Sep  4 23:34:42 amd init: Switching to runlevel: 0
> > 
> > I do not think cpu reached 128C, as I still have my machine... Did
> > anyone else see that?
> 
> Could this be in any way related to the (in)famous Random Shutdown issues
> on a little too many Apple MacBooks?
> (since the x60 incidentally just happens to be Core Duo
 > architecture, too)

Well, but those macbooks were really overheating, no? This seems like
sensor failure, because I do not think cpu had 128 Celsius, without
going through 100 Celsius, first.

> Those Random Shutdown issues at least in several cases appear to happen
> due to trouble with the temperature sensor or mainboard issues.
> Thermal management is in quite some trouble there, judging from
> the rather diverse aspects of machine shutdown failure...
> (fan not working, CPU overheating, NOT overheating but shutting down
> directly after boot, ...)

I had fan working at the time of shutdown, and machine was able to
boot immediately afterwards. That means that 128 celsius was sensor
error.


-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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