Hi,
On Thu, 2006-09-21 at 18:05 -0400, Brown, Len wrote:
> Turning off C3 is a pretty big hammer...
Indeed.
I think it is a more general problem. The systems with Intel Core Duo I
got my hands on all show the symptom: Once the system is idle, the
second core begins to whine. It's annoying in quiet environments.
* Turning off the second core makes the whining stop.
* Booting with processor.max_cstate=2 does also make the whining
go away; but it's a bad idea on laptops if once wants to gain a
long run on batteries.
Tested with HZ=250; I'll check whether HZ=100/1000 helps.
Timo
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