http://bugzilla.kernel.org/show_bug.cgi?id=10011
------- Comment #49 from [EMAIL PROTECTED] 2008-04-01 22:11 -------
The failure might not be in CPU_IDLE. If I boot with a kernel without cpu idle
and with processor.bm_history=0 like you suggested, I also encounter the
problem.
The output of /proc/acpi/processor/*/power is the following.
active state: C2
max_cstate: C8
bus master activity: 24402041
maximum allowed latency: 2000 usec
states:
C1: type[C1] promotion[C2] demotion[--] latency[000]
usage[00000010] duration[00000000000000000000]
*C2: type[C2] promotion[C3] demotion[C1] latency[001]
usage[00008880] duration[00000000000099016541]
C3: type[C3] promotion[--] demotion[C2] latency[085]
usage[00003717] duration[00000000000026832004]
So, the current C-state is C2 but C3 as ben use more often.
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