Hi, Casper.Dik at Sun.COM p????e v ??t 21. 08. 2007 v 14:40 +0200: > > >> Super news! In that case I'll hold off updating my Dell 5160 because this > >> one had problems with the power management in the past too. > > > The relevant bug ID is about the error message, not getting powermanagement > working. >
Yes, of course. And for getting PM working on multicore Intel CPUs it is related CR 6593356 (I hope and will try asap on my T60). A bit hidden for people outside of Sun, because our public bugster interface... :-( > Powermanagement works only on Intel CPUs with Enhenced Speedstep and not > older variants of Speedstep; and only if the TSC register is P-state > invariant. > I'm not sure, but TSC registers are P-state invariant even in the P4s. Only AMD K8 is not. So it could be possible to write driver even for older SpeedStep. Best regards, Milan