[ltp] HPET timer on thinkpads?

[Igor V. Rafienko]

on Oct 23, 2007, 11:29, Matthias Runge wrote:

[ ... ]

>> Incidentally, it seems that 2.6.23 with hpet, no-ticks, cpuidle and all
>> that draws about 1.3W *more*  than 2.6.22 without the hpet-patches. Does
>> anyone else experience that?
>
> Yes, I can confirm that. For me, this issue was solved by unloading the 
> usb_uhci module. The Processor stays in c2 state, while usb_uhci is 
> loaded, unloading uhci enables c4 power saving.


Ah, but you see the 1.3W difference was without the USB modules in both 
cases.





ivr
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