linux-kernel - Re: x60 - spontaneous thermal shutdown

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Date:	Tue, 5 Sep 2006 00:53:03 +0200
From:	Andreas Mohr <andi@...x01.fht-esslingen.de>
To:	Pavel Machek <pavel@....cz>
Cc:	ACPI mailing list <linux-acpi@...r.kernel.org>,
	kernel list <linux-kernel@...r.kernel.org>
Subject: Re: x60 - spontaneous thermal shutdown

Hi,

On Tue, Sep 05, 2006 at 12:35:20AM +0200, Pavel Machek wrote:
> 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.

No, in several cases it was a problem with a broken/damaged sensor cable.
But it seems there are a number of different problems with thermal
management, a non-working sensor cable only being (albeit a significant)
one of those.
Google "MacBook random shutdown" will provide tons of information.

> 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.

Let's hope people get that braindamage resolved, either via BIOS updates
(hmm, but probably not helpful in case of ACPI?) or by shipping/repairing
into working hardware (an astonishing amount of people already had their
2nd or 3rd non-working repair).

Andreas Mohr
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