cpufreq not happy on my laptop
John Baldwin
jhb at FreeBSD.org
Fri Mar 4 11:57:03 PST 2005
On Friday 04 March 2005 12:33 am, Nate Lawson wrote:
> John Baldwin wrote:
> > First off, this is the big green laptop that has a desktop P4 in it, so
> > I'm aware that this is very much an edge case. The system does support
> > ACPI duty width type throttling and even has the T2 and T3 constants for
> > use with _PSV. I tried cpufreq(4) on it with the recent updates and it's
> > not too happy. Before the p4tcc driver was added, this is what I got:
> >
> > dev.cpu.0.freq_levels: 9999/99999 9999/99999 8749/87499 7499/74999
> > 6249/62499 4999/49999 3749/37499 2499/24999 1249/12499
>
> Ok, I have committed code (rev 1.15 of acpi_perf.c) to not attach
> acpi_perf when it has 9999 as the frequency. Bruno Ducrot reported some
> systems use 0xffff to indicate this so I added this as well.
>
> Let me know if everything else works ok for you.
Thanks. I'll do more testing and get back to you.
--
John Baldwin <jhb at FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve" = http://www.FreeBSD.org
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