acpi/cpu scaling probs? Dell D820 FreeBSD current

Alexander Motin mav at FreeBSD.org
Sun Jun 28 20:05:59 UTC 2009


Ron Freidel wrote:
> I hope I am posting to the correct list...
> 
> I have updated to FreeBSD current to try out acpi sleep, which works great
> by the way, and the improvements to wifi and the addition of sleep are
> enough to keep current on the laptop.
> 
> Here's the problem, the cpu is maxed out, no scaling at all.
> 
> Here's the output of powerd -v
> <snip>
> load 108%, current freq 2000 MHz ( 0), wanted freq 4000 MHz
> load 109%, current freq 2000 MHz ( 0), wanted freq 4000 MHz
> load 102%, current freq 2000 MHz ( 0), wanted freq 4000 MHz
> load 124%, current freq 2000 MHz ( 0), wanted freq 4000 MHz
> load 108%, current freq 2000 MHz ( 0), wanted freq 4000 MHz
> <snip>
        ^^^
This is the reason. powerd sees that one of your CPUs is constantly 
busy. You should investigate why and what that CPU does.

-- 
Alexander Motin


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