power management, ahci link power management and DragonFly

Matthew Dillon dillon at apollo.backplane.com
Mon Nov 8 10:14:36 PST 2010

    Also make sure sysctl machdep.cpu_idle_hlt=2 is set.  There was a short
    period where I changed the default to 1 (which does not use C-states).
    2 should use C-states.  The current default is again 2.

					Matthew Dillon 
					<dillon at backplane.com>

More information about the Kernel mailing list