Hi,
As I explained on a previous mail [1], upgrading the BIOS I got the
system using the C1 and C2 states when idle. But with newer kernels
(2.6.19, 2.6.20 and 2.6.20.1) the system stopped using these states.
I've found that pr->power.states[2].valid is true on the 2.6.18
branch, but false since 2.6.19. I've been searching where its value
is set, but for the moment I have failed. Where shoul I look?
And BTW, do you know of any change between 2.6.18 and 2.6.19 that may
broke the C-State detection?
Thanks!
[1] http://thread.gmane.org/gmane.linux.acpi.devel/21410
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