Re: Fedora Core 6 - CPU Throttling not Working

On Mon, 19 Feb 2007 06:26:14 -0600, Anonymous wrote:

I have Fedora Core 6 installed:

Linux XYZ 2.6.19-1.2911.fc6 #1 SMP Sat Feb 10 15:03:33 EST 2007 i686 athlon
i386 GNU/Linux

I have an AMD Athlon XP Mobile 2000+ processor that supports throttling. In
fact, when I had fedora core 5 installed the throttling worked just fine.
Unfortunately, Fedora Core 6 does not seem to recognize this:

cat /proc/acpi/processor/CPU0/throttling
<not supported>

And /sys/devices/system/cpu/cpu0 has no cpufreq directory. In the dmesg
dump, I found the following:

CPU0: AMD mobile AMD Athlon(tm) XP 2000+ stepping 01

And wondered if 'stepping 01' meant that the kernel is not finding the fact
that this processor supports throttling? Anyways, does anyone have an idea
as to what could be going wrong here/how I can fix it? Thank you to anyone
with information.

Have you installed the CPU Frequency Scaling Monitor? For some reason the
CPU frequency scaling drivers aren't installed by default, if you install
the CPU Frequency Scaling Monitor YUM will install the necessary drivers.
.

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