Gigabyte 970A-UD3P and hwpstate problem
John Baldwin
jhb at freebsd.org
Thu Aug 6 10:38:24 UTC 2015
On Wednesday, August 05, 2015 08:10:52 PM Mario Lobo wrote:
> On Wed, 05 Aug 2015 08:39:11 -0700
> John Baldwin <jhb at freebsd.org> wrote:
> > > > First check to see if there are any BIOS
> > > > options to control CPU throttling that are currently disabled.
> > >
> > > The only BIOS option that deals with throttling is Cool'n'Quiet,
> > > which is enabled.
> >
> > You might try checking if C1E is enabled. Also, if you have done any
> > overclocking you might try disabling that.
>
> C1E is enable and so is C6. But, good news!
>
> [~]>dmesg -a | grep
> hwpstate hwpstate0: <Cool`n'Quiet 2.0> on cpu0
>
> dev.hwpstate.0.freq_settings: 3200/10235 2800/8393 2300/6221 1800/4471
> 1400/3135 dev.cpu.0.freq_levels: 3200/10235 2800/8393 2300/6221
> 1800/4471 1400/3135
>
> There was an option in the BIOS called HPC, which stands for High Power
> Ccomputing (whatever that means) that, as soon as I disabled it,
> hwpstate showed up. I disabled acpi_throttle and the frequencies are
> still being throttled.
Ok, that definitely sounds like the solution then.
--
John Baldwin
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