powernow not working on AMD Athlon XP Mobile

[Sepherosa Ziehau]

On Thu, Sep 15, 2011 at 4:13 AM, Maurizio Lombardi
<m.lombardi85 at gmail.com> wrote:
>> You could try to set hw.acpi.cpu.pstate.strigent_check=0 in /boot/loader.conf. My K8 box needs that for it's messed up FID/VID.
>>
>
> Thanks,
>
> I tried but the kernel freezes at boot.
>
> It prints a lot of error like:
>
> "cpu0: Invalid FID...."
> "cpu0: Invalid VID..."
>
> The last two lines it prints are a bit different:
>
> "cpu0: min VID mismatch real 9, lim 11"
> "cpu0: min FID mismatch real 50, lim 6"

Well, I think I will need AMD 06h family BKDG to figure out how the
ACPI VID and FID should be used.  The code we have messed w/ so far is
according to AMD 0fh family BKDG.

Best Regards,
sephe

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