[ltp] R51 fan (almost) always on

Robert Schiele linux-thinkpad@linux-thinkpad.org
Wed, 24 Nov 2004 10:27:40 +0100


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On Wed, Nov 24, 2004 at 09:57:04AM +0100, Joern Koerner wrote:
> Hi!
>=20
> Is there anything to enter the processor's C3 state manually?
>=20
> Running on Windows the fan stops when C3 is active - Linux never seems to=
=20
> enter C3 and seems to stay at C2.

Well it does work for me with default configured SUSE 9.2:

# cat /proc/acpi/processor/CPU/power
active state:            C3
default state:           C1
bus master activity:     00000000
states:
    C1:                  promotion[C2] demotion[--] latency[000] usage[0000=
0010]
    C2:                  promotion[C3] demotion[C1] latency[001] usage[1219=
6156]
   *C3:                  promotion[--] demotion[C2] latency[085] usage[9122=
6835]
#=20

Robert

--=20
Robert Schiele			Tel.: +49-621-181-2214
Dipl.-Wirtsch.informatiker	mailto:rschiele@uni-mannheim.de

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