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SubjectRe: 2.6.27-rc1: critical thermal shutdown on thinkpad x60
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.

I have noted that in my TODO, let's see if I can make that into a quirk so
that you won't get -EINVAL anymore.

"One disk to rule them all, One disk to find them. One disk to bring
them all and in the darkness grind them. In the Land of Redmond
where the shadows lie." -- The Silicon Valley Tarot
Henrique Holschuh

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