Thanks for your answer, Le ven 13 jun 2008 11:04:20 CEST, Arjan van de Ven <[EMAIL PROTECTED]> a écrit :
> Adding C-states, while not impossible, isn't all that easy either ..... > especially on older systems > (on newer ones it's relatively easy because hte interface got standardized) Actually I tried to add some C-states to the DSDT as I seen on the web (http://www.bughost.org/pipermail/power/2007-August/000890.html) but didn't succeed : powertop did show the C-states, but wake-ups per second's rate became an insane value (about 100 000) and use of C-states was always the same (about 50% in C0 and 50% in C2), even when modifying some known parameters to lower wake-ups rate. The main difference between experiments is that their system did have already C1&C2, but mine didn't have any before to try to modify DSDT. So I wonder if updating Processor part of DSDT could be enough, or if the BIOS should be aware of C-states management, which mine lacks for sure. Fred. _______________________________________________ Power mailing list [email protected] http://www.bughost.org/mailman/listinfo/power
