On Tue, Jul 31, 2012 at 5:01 AM, Sven Gaerner <sgaer...@gmx.net> wrote: > On Tue, Jul 24, 2012 at 09:59:35AM +0800, Sepherosa Ziehau wrote: >> On Tue, Jul 24, 2012 at 9:57 AM, Sepherosa Ziehau <sepher...@gmail.com> >> wrote: >> > On Tue, Jul 24, 2012 at 3:24 AM, Sven Gaerner <sgaer...@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 <s...@online.de> wrote: >> >>> > On Sun, 22 Jul 2012 21:16:54 +0200, Sven Gaerner <sgaer...@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 <sgaer...@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".
Hmm, maybe i8254 is not working at all. Could you post following information: - bootverbose dmesg w/ hw.i8254.intr_disable="0" in /boot/loader.conf - sysctl kern.cputimer - sysctl hw.acpi Best Regards, sephe > > Regards, > Sven > -- Tomorrow Will Never Die