Re: p4-clockmod / X5472

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On Tue, Feb 10, 2009 at 10:58:42PM +0100, Costin Grigoras wrote:

> p4-clockmod: Warning: EST-capable CPU detected. The acpi-cpufreq module 
> offers voltage scaling in addition of frequency scaling. You should use 
> that instead of p4-clockmod, if possible.

<snip>

> modprobe acpi-cpufreq:
> FATAL: Error inserting acpi_cpufreq 
> (/lib/modules/2.6.28.4/kernel/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.ko): 
> No such device

This generally indicates a bug in your BIOS - your CPU is capable of 
enhanced speedstep, but your firmware doesn't support it.

-- 
Matthew Garrett | mjg59@xxxxxxxxxxxxx
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