C3 on Travelmate 8000

Daniel Jasper
2004-09-05T05:52:49Z

Hi,

on my Travelmate 8005 (with Pentium M - Dothan) there is constant bus
master activity. I already tried to disable USB, PCMCIA, Network,
Framebuffer, Cpufreq etc., but even with a minimalistic system there ist
still the following output of /proc/acpi/processor/CPU0/power:

active state: C2
default state: C1
bus master activity: ffffffff
states:
C1: promotion[C2] demotion[--] latency[000]
usage[00000010]
*C2: promotion[C3] demotion[C1] latency[001]
usage[00901857]
C3: promotion[--] demotion[C2] latency[085]
usage[00000000]

Is there anything else I can do? Or can I somehow find out, what is
causing the bus master activity? Disabling the bm_check=1 in the
processor.c code works, but that is probably the wrong solution.

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