Messages in this thread | | | Date | Sat, 1 Dec 2007 15:46:46 -0800 | From | Arjan van de Ven <> | Subject | Re: 20000+ wake-ups/second in 2.6.24. Bug? |
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On Sat, 01 Dec 2007 18:43:39 -0500 Mark Lord <lkml@rtr.ca> wrote:
> > Dagnabbit.. it's done it again.. went from 100-200 wakeups/sec > back up to 20000+ wakeups/sec. This time *with* the powertop patches > in place. > > Somethings broken in there, but I don't know what. > Or how to make it happen on demand.. it's fine after rebooting again. > > ??? > > At least now I know to look when I hear the fan turning on > when the system is otherwise supposed to be idle.. > > 2.6.23 did not have this problem.
actually we have reports of 2.6.23 having the exact same problem. The thing is, "something" is causing the system to go into a state where the cpu throws us right out of the C-state the kernel asks for.
Some people have seen that not loading yenta at all will just make this not happen at all...
-- If you want to reach me at my work email, use arjan@linux.intel.com For development, discussion and tips for power savings, visit http://www.lesswatts.org
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