Kwon, Owen wrote:
> I am testing speedstep function with newer Intel CPU. Kernel option is
> enabled at compile time, but while booting, CPUID check seemed to fail.
> The message is
> 
> "p4-clockmod : Unknown p4-clockmod-capable CPU ~~~"
> 
> 
> Do I need to implement additional code to test this function? Or is it
> safe to bypass the CPUID check part?
> 
> 
> I don't know this is required, but Kernel version is 2.6.22.

p4-clockmod is for much older p4 processors, and even then, often isn't
recommended for use. What you want for any reasonably new intel
processor is acpi-cpufreq, not p4-clockmod.

-- 
Jarod Wilson
jwilson@redhat.com