Messages in this thread |  | | | Subject | Re: ACPI PM Timer vs. C1 halt issue | | From | john stultz <> | | Date | Tue, 09 Mar 2004 14:11:30 -0800 |
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On Tue, 2004-03-09 at 13:35, Prakash K. Cheemplavam wrote: > I found out what causes higher idle temps when using mm-sources and > 2.6.4-rc vanilla sources: If I use PM Timer as timesource, it seems the > C1 halt isn't properly called, at least CPU disconnect doesn't seem to > work, thus leaving my CPU as hot as without disconnect. > > using tsc timesource: idle temps of about 45-47°C > using pm timer: 52-53°C idle temps > > Is this a bug or a feature? > > I have nforce2 hardware. Tell me if you need anything else.
Sounds like a bug. I'm not very familiar w/ the ACPI cpu power states, is there anything you have to do to trigger C1 Halt? Or is it just called in the idle loop?
thanks -john
thanks -john
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