linux-kernel - Re: Coretemp Atom 330, strange temperatures

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Message-ID: <20100118091801.GA9804@owl>
Date:	Mon, 18 Jan 2010 17:18:01 +0800
From:	Huaxu Wan <huaxu.wan@...ux.intel.com>
To:	Peter Feuerer <peter@...e.net>
Cc:	Rudolf Marek <r.marek@...embler.cz>,
	Huaxu Wan <huaxu.wan@...el.com>, linux-kernel@...r.kernel.org
Subject: Re: Coretemp Atom 330, strange temperatures

On 12:11 Sat 16 Jan, Peter Feuerer wrote:
> Hi Rudolf, Hi Huaxu,
> 
> I've got an Asrock Ion 330 machine with Atom 330 processor, running
> 2.6.32.3 kernel. When loading coretemp it shows strange
> temperatures, like this:
> Core0: 0.0 degree C
> Core1: 16.0 degree C
> Core2: 0.0 degree C
> Core3: 15.0 degree C
> 
> Is there an offset missing? When touching the cooler it feels like 40 degree ore something.
> Is this a known problem? Is there already a fix?
> 

AFAIK, the thermal sensor has a range limitation, it may report an incorrect
value when the temperatures are ~20C below Tcontrol(40~50). Could you give
some load to it and check the temperatures again?


Thanks
Huaxu
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