Kernel 2.4.23 passive cooling

[Nils Faerber <nils.faerber-t93Ne7XHvje5bSeCtf/tX7NAH6kLmebB@public.gmane.org>]

Hi!
Passive cooling still seems a little strange, at least to me on my Asus
L3800C notebook.
What happens:
 - active cooling is perfectly fine and I succesfully use
speedstepdaemon to automatically set my CPU to lower performance in idle
mode.
 - passive cooling works until it reaches the first hot state. After
that the fan(s) power up for a very short time and the CPU performance
is set to maximum (!) again. The performance setting can afterwards not
be reset to low performance anymore; it will be reset to high
automatically!
 - Changing back to active cooling restores the machine into a normal
"cool" state but still leaves the performance unchangeable. Only fix is
to reboot (I have ACPI fix in kernel).

So basically for me passive cooling is not usable. I think this is a bug
in the hysteresis handling in the thermal zone management.

Is there any chance that this will be fixed?
Or is this a BIOS bug?

CU
  nils faerber

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