Messages in this thread | | | Date | Thu, 7 Oct 2004 12:32:10 +0200 | From | Pavel Machek <> | Subject | Re: High pitched noise from laptop: processor.c in linux 2.6 |
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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. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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