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SubjectRe: idle Athlon with IOAPIC is 10C warmer since 2.6.3-bk1
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On Fri, 2004-03-19 at 14:22, Prakash K. Cheemplavam wrote:

> Hmm, I just did a cat /proc/acpi/processor/CPU0/power:
> active state: C1
> default state: C1
> bus master activity: 00000000
> states:
> *C1: promotion[--] demotion[--] latency[000]
> usage[00000000]
> C2: <not supported>
> C3: <not supported>
>
> I am currently NOT using APIC mode (nforce2, as well) and using vanilla
> 2.6.4. It seems C1 halt state isn't used, which exlains why I am having
> trouble to keep my CPU cooler these day. I once started a thread
> suspecting acpi timer, but it is not the case. It seems to be something
> else. As I don't use PIC, it cannot be that 8259-timer-ack-fix.patch
> causin git, or can it? Maybe something broken in ACPI? I might try out
> older kernels to find out...
>
> Prakash

Actually I think it is that we don't _count_ C1 usage.

cheers,
-Len


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