John Martin <> wrote:

> J?rgen Keil wrote:
>>> After the system booted, powertop fails with:
>>> 
>>> powertop: ../common/cpufreq.c : cannot open dtrace library: DTrace
>>> cannot be used when kernel debugger is active
>>> 
>> 
>> I think this can be avoided by deleting all
>> breakpoints in kmdb.
>> 
> Thanks.  After clearing the breakpoint, powertop does run.  However,
> after setting cpupm_intel_pdccap to 0xbbf for all cpu instances,
> powertop 
> still only
> reports C-states C0 and C1 on the i7 920.
> 

hmm..., can you check this?

$ pfexec mdb -k
> hpet::print hpet_t
{
    supported = 0x3
    install_proxy = hpet_install_proxy
    callback = hpet_callback
    use_hpet_timer = hpet_use_hpet_timer
    use_lapic_timer = hpet_use_lapic_timer
}

Thanks,
-Aubrey

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