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SubjectRe: High pitched noise from laptop: processor.c in linux 2.6
Hi!

> I recently upgraded from linux 2.4.27 to 2.6.8.1 and noticed my laptop
> now makes a high pitch noise while idle. I traced it back to the
> processor module for acpi. 'rmmod processor' stops the noise.
>
>
>
> Using speed step to turn it down to 733 Mhz makes it a
> little quieter and doesn't change the tone.
>
>
>
> Is there any way to stop this? I googled around and found it had
> something to do with idle frequency of 1000 Hz in 2.6 instead of 100Hz
> in the 2.4 kernel. I couldn't find much else on this. Hunting around the
> code didn't help much, I don't know C.

Change #define HZ 1000 to #define HZ 100...

Ouch and btw it is hardware problem -- too cheap capacitors.
Pavel
--
Boycott Kodak -- for their patent abuse against Java.
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