You're not getting hw.setperf with ACPI enabled because ACPI and APM don't and shouldn't coexist. ACPI has a hw.setperf mechanism, but you don't have it enabled in your kernel (I don't know if it's working yet.)
Travers Buda On Sun, 28 Jan 2007 19:15:13 -0700 Mark Zimmerman <[EMAIL PROTECTED]> wrote: > > On Sun, 28 Jan 2007 15:52:08 -0700 > > Mark Zimmerman <[EMAIL PROTECTED]> wrote: > > > > > Greetings: > > > > > > I almost didn't submit this because there were no outright failures, but > > > then I noticed that with acpi enabled, the hw.setperf sysctl is missing. > > > Without acpi, it is present and works properly. Anyhow, here are the > > > four dmesgs in case they are illuminating. > > > > > > You will notice the sucky DMA of the Jetway board in all of them. > > > > > > -- Mark > > > > On Sun, Jan 28, 2007 at 06:20:32PM -0600, Travers Buda wrote: > > Mark, > > > > This is why: > > > > $ grep cpu /usr/src/sys/arch/i386/conf/GENERIC > > cpu0 at mainbus? > > #acpicpu* at acpi? > > > > The acpicpu driver provides support for extracting processor power and > > performance levels from ACPI tables. This information can be used to > > throttle processor speed to reduce power usage and extend battery life > > through the hw.setperf sysctl(3) mechanism. > > > > > > Travers Buda > > > > I'm not sure I follow what you are saying. I am seeing hw.setperf > working only when acpi is disabled. This is not what I expected. Are > you saying that hw.setperf is present without acpi, but when acpi is > enabled it takes over that function but fails to make it work? > > In the dmesgs in which acpi is disabled, I have this line: > > cpu0: Enhanced SpeedStep 1200 MHz (860 mV): speeds: 1200, 1000, 800, 600, 400 > MHz > > which is missing when I enable acpi. > > -- Mark
