C6 sleep state

John Baldwin jhb at freebsd.org
Mon Apr 12 13:56:05 UTC 2010


On Friday 09 April 2010 11:48:42 am Sean Bruno wrote:
> Has anyone worked on code for the C6 power state for the Intel Nehalem
> processors yet?
> 
> http://download.intel.com/design/processor/applnots/320354.pdf

It shows up as C3 to the OS.  I've yet to be able to get turbo mode to work 
with it enabled though (I had to drop kern.hz down to 100 before the CPUs 
would enter C3 instead of C2).

-- 
John Baldwin


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