frequency scaling on D525MW not working properly

[Sven Gaerner]

On Tue, Jul 24, 2012 at 09:59:35AM +0800, Sepherosa Ziehau wrote:
> On Tue, Jul 24, 2012 at 9:57 AM, Sepherosa Ziehau <sepherosa at gmail.com> wrote:
> > On Tue, Jul 24, 2012 at 3:24 AM, Sven Gaerner <sgaerner at gmx.net> wrote:
> >> On Mon, Jul 23, 2012 at 09:44:06AM +0800, Sepherosa Ziehau wrote:
> >>> On Mon, Jul 23, 2012 at 3:27 AM, Sascha Wildner <saw at online.de> wrote:
> >>> > On Sun, 22 Jul 2012 21:16:54 +0200, Sven Gaerner <sgaerner at gmx.net> wrote:
> >>> >
> >>> >> On Sun, Jul 22, 2012 at 08:31:41PM +0200, Sascha Wildner wrote:
> >>> >>>
> >>> >>> On Sun, 22 Jul 2012 13:46:41 +0200, Sven Gaerner <sgaerner at gmx.net>
> >>> >>> wrote:
> >>> >>>
> >>> >>> >[...]
> >>>
> >
> > I mean following steps:
> > 1) Add the following line into into /boot/loader.conf, then reboot:
> >     hw.i8254.intr_disable="0"
> > 2) sysctl hw.acpi.cpu.cx_lowest=C3
> 
> I mean do step1) first, then do step 2) after step1)'s reboot.

I did that, but I cannot set hw.acpi.cpu.cx_lowest=C3. I always get
"Invalid argument" when running "sudo sysctl hw.acpi.cpu.cx_lowest=C3".

Regards,
Sven