[ltp] T41 cpufreqd issue

[Lance A. Brown]

Alexander Gran wrote:
> Hi,
> 
> actually cou cannot got as low as 200Mhz, the cpu would not run stable.
> There are two possiblilities to go below the 600Mhz:
> Throthelling states. You can do up to 87% throthelling, that would be 78Mhz 
> usable. However the cpu is still at 600Mhz, its just do nohting 87% of the 
> time. The other possiblity is C3. This only works with ACPI and X disabled 
> (or after a suspend/reusme cyle, nonoe seems to know why). Busmaster 
> conflicts here and there with C3, several drivers don't get it right. But 
> ACPI doesn't really work anyway..The kernel reports the slower CPU speeds 
> also seen under Windows that.

Ahhh.  Thanks for the information.  It explains the behaviour.

--[Lance]

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