Re: /proc/cpu lists CPU MHz: 0.0000

From: Sønke Lorenzen (solorenzen_at_gmail.com)
Date: 04/15/05

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    Date: Fri, 15 Apr 2005 00:05:41 +0200
To: Marc Mundt <mmpub@rubberspoon.com>

    On 4/13/05, Marc Mundt <mmpub@rubberspoon.com> wrote:
    > Thanks, Sønke. I appreciate the good background information.
    >
    > I just installed powernowd and tried inserting the modules you suggested,
    > but the powernow modules (I tried powernow_k7 and powernow_k8) both report
    > errors:
    >
    > FATAL: Error inserting powernow_k7 (/lib/modules/2.6.8-2-k7/kernel/arch/i386/kernel/cpu/cpufreq/powernow-k7.ko):
    > No such device
    >
    > Perhaps this is a problem with 2.6.8 as you suggested.
    >
    > -Marc
    >

    Hi Marc,

    The k8 module won't work in any case on your Athlon XP which is a k7,
    so no use trying that.
    On my system the the powernow_k8 is attached to the freq_table module:

    lsmod |grep powernow
    powernow_k8 10632 0
    freq_table 5320 1 powernow_k8
    processor 23808 1 powernow_k8

    Can you load that one?
    If not you could still check your bios, to see if you can disable the
    powernow feature, or upgrade to a newer kernel.

    Try also to check /proc/cpuinfo when you put your system under load
    and then look at the bogomips value. It is roughly 2 times the MHz
    value on Athlon systems.
    If it adapts to your load then your bios can control it and you do not
    have install extra software.

    Regards, Sønke

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