* Re: Why does my CPU switch to high speed?
[not found] ` <m2heeqna6t.fsf-dTJq59+VGzkkCw8IV3R6h0EOCMrvLtNR@public.gmane.org>
@ 2002-11-22 20:14 ` Dominik Brodowski
0 siblings, 0 replies; only message in thread
From: Dominik Brodowski @ 2002-11-22 20:14 UTC (permalink / raw)
To: Jan Rychter; +Cc: acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f
On Sat, Nov 09, 2002 at 02:29:14PM +0100, Jan Rychter wrote:
> What makes my CPU (Intel Pentium IIIm, speedstep) switch to maximum
> performance mode?
>
> ACPI says:
>
> [14:25] tnuctip:/root#cat /proc/acpi/processor/CPU0/performance
> <not supported>
> [14:27] tnuctip:/root#
>
> if I use the "speedstep" utility to set the clock to half-speed (works
> great), everything is fine, until the machine wants to spend a lot of
> CPU in kernel space (ACPI eating CPU or my wireless network drivers
> crashing and eating CPU). Then the CPU somehow switches to maximum
> performance.
What "speedstep" utility? Marc's program? Or cpufreq?
Dominik
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2002-11-22 20:14 ` Why does my CPU switch to high speed? Dominik Brodowski
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