Wrong dev.cpu.0.freq_levels values

Nate Lawson nate at root.org
Wed Apr 1 19:41:50 PDT 2009


Pierre-Luc Drouin wrote:
> Hello,
> 
> I have noticed that FreeBSD gets the wrong CPU frequency levels for my
> Pentium M 2GHz. It used to work correctly with older versions of
> FreeBSD, but I noticed that this was not working properly when I
> installed 7.1 and this is still not working with -stable:
> 

> dev.cpu.0.freq: 1500
> dev.cpu.0.freq_levels: 1500/-1 1312/-1 1200/-1 1050/-1 1000/-1 875/-1
> 800/-1 700/-1 600/-1 525/-1 450/-1 375/-1 300/-1 225/-1 150/-1 75/-1
> dev.est.0.%desc: Enhanced SpeedStep Frequency Control
> dev.est.0.freq_settings: 1500/-1 1200/-1 1000/-1 800/-1 600/-1
> 
> Is there a way to fix this?

There's nothing wrong. You just got more levels using p4tcc (another
cpufreq device). So use it as-is, or disable the p4tcc driver and
acpi_throttle drivers.

-- 
Nate


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