On Thu, 19 Oct 2006, Wes Felter wrote:
Krzysztof Oledzki wrote:
Hm... speedstep-centrino on Xeon? AFAIK speedstep-centrino requires "est"
and /proc/cpuinfo does not mention this flag:
fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36
clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm constant_tsc pni
monitor ds_cpl cid cx16 xtpr
Odd; I have a similar processor and it has est and uses the
speedstep-centrino driver. But I am using an old kernel (2.6.5) and the flag
detection has changed since then.
Anyway, I have just tested speedstep-centrino, but it does not work.
BTW: what wrong is with p4-clockmod? I was not able to find any information
that it is broken and should not be used?
It makes the processor slower but only reduces power consumption slightly,
making the processor less power-efficient. You probably don't want your
processor to be less efficient.
I also tested ACPI Processor P-States driver (X86_ACPI_CPUFREQ), but it
does not work either.
Any other ideas?
Best regards,
Krzysztof Olędzki
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