On 11/13/2009 03:13 PM, Matthew Garrett wrote: > On Fri, Nov 13, 2009 at 03:05:18PM -0600, Larry Finger wrote: > >> I'm in the process of creating a patch to set the latency to 200 usec. The >> default is 2000. On my fast prosessors, it should not be anything nearly that >> slow. If we determine this to be the problem, then we can try tuning. > > The latency is the amount of time it takes to get out of deep C states > and into C0. That's a function of the processor design rather than the > frequency. Thanks for your suggestion. The value of 200 fixed one of the two machines and greatly improved the other. He is currently testing with a value of 150, and will try 100 if that still fails. Larry -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
