Dale Pontius wrote: > I have a Thinkpad R50, running Gentoo with 2.6.22-gentoo-r2 with the > HPET patches applied. > > Sometimes C3 gets used, and sometimes it doesn't - on a completely idle > machine. > > When at work, the machine is plugged into a port replicator, the lid is > shut, and a flat panel connected through a KVM is used for the display. > If I do the complete boot with the display visible on the flat panel, it > appears that the processor will never go into C3. If after selecting > the kernel with grub, I switch the KVM over to the deskside, then C3 > will get used. I'm not 100% certain about this pattern, but it seems
one question: is your KVM USB based? USB is one of the "typical" reasons processors don't go to C3, esp if USB selective suspend isn't active..... _______________________________________________ Power mailing list [email protected] http://www.bughost.org/mailman/listinfo/power
