Re: 2.6.22-rc1-mm1 [cannot change thermal trip points]

From: Maciej Rutecki
Date: Thu May 17 2007 - 09:36:55 EST


Pavel Machek pisze:

> What was the rationale? Can we get this one reverted?
>
> Some machines (HP omnibook xe3) have broken trip points -- too high --
> so machine will overheat and trigger hw shutdown before starting
> passive cooling.
>
> That's really broken, and write to trip points is reasonable way to
> 'fix' that. (I'd understand if you only ever let trip points to
> decrease... but otoh root should be able to shoot himself....)
>
> Pavel

Many people need change trippoints, for example I have:

cat /proc/acpi/thermal_zone/TZ0/trip_points | grep critical
critical (S5): 256 C

I _must_ change it to below 105 C, or edit DSDT table (too difficult to
me). I cannot use this kernel, when trip points are read only.

--
Maciej Rutecki
www.unixy.pl
Kernel Monkeys
(http://kernel.wikidot.com/)

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