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From
SubjectRe: [Oops] ACPI problem with 2.6.0-test11 on Asus L3800C
Date
David Gümbel <david.guembel@gmx.de> writes:

> [Please CC me, as I am not subscribed to this list]
>
> I have recently installed 2.6.0-test11 on my Asus L3800C laptop. One thing I
> stumbled across was that it is no longer possible to set the CPU
> performance via ACPI. It worked fine with 2.4.21 with acpi-patch applied.
> The behaviour is reproducible, i.e. it happens every time I try to set the
> performance. Symptoms are as follows:
>
> When executing 'echo 1 > /proc/acpi/processor/CPU0/performance', I got the
> following (visible via dmesg):

The standard method of changing CPU frequency in Linux 2.6 is the
cpufreq interface in /sys/devices/system/cpu/cpu0/cpufreq/*. This may
not solve your problem, of course.
--
Måns Rullgård
mru@kth.se

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