http://bugzilla.kernel.org/show_bug.cgi?id=12620





------- Comment #6 from mle+report...@mega-nerd.com  2009-02-01 19:16 -------
(In reply to comment #4)
>     Thanks for so quick response.

Thank you!

>     Maybe when the temperature is above the threshold, the ACPI event(0x80) is
> sent to the thermal object. But OS can do nothing to cool the temperature. So
> the ACPI event(0x80) will continually be sent to the thermal object. In such
> case the kacpi_notify will chew up 50-60% CPU.

One of my colleagues was investigating an heat related issue when he noticed
the kacpi_notify CPU usage. He then called me in to look at that.

Shouldn't kacpi_notify realise that something is wrong and limit itself to say
5-10% CPU?


>     Will you please check whether there exists the BIOS option related with 
> FAN
> device?
>     Thanks.
>     Will 
> 


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