FYI, I've updated the PM Community FAQ with this question and answer: http://www.opensolaris.org/os/community/pm/FAQ/
Thanks, -Eric Eric Saxe wrote: > Hi Norman, > > If you are seeing multiple frequencies supported, then you are > probably ok. There is an issue where on some systems background > activity can cause the system to "too easily" run at the faster speed. > You can workaround the issue by changing this line in power.conf: > > cpupm enable > > to > > cpupm enable poll-mode > > Hope this helps, and sorry you are hitting this. > > -Eric > > Norman Dankert wrote: >> I got a Pentium Dual Core E5200 on a Gigabyte EG43M-S2H and installed >> os2009.06 on it. >> >> My problem is, that it is always running at the max speed (2.5 GHz) >> instead of switching to one of the lower frequencies, which are >> listed under supported_frequencies. >> >> Is my CPU not supported or is there something I can do? >> >> power.conf has these two lines: >> cpupm enable cpu-threshold 1s >> >> kstat cpu_info looks like this: >> module: cpu_info instance: 0 name: >> cpu_info0 class: misc >> brand Pentium(r) Dual-Core CPU >> E5200 @ 2.50GHz >> chip_id 0 >> clock_MHz 2500 >> clog_id 0 >> core_id 0 >> cpu_type i386 >> crtime 36,640381924 >> current_clock_Hz 2500000000 >> current_cstate 1 >> family 6 >> fpu_type i387 compatible >> implementation x86 (chipid 0x0 GenuineIntel >> 1067A family 6 model 23 step 10 clock 2500 MHz) >> model 23 >> ncore_per_chip 2 >> ncpu_per_chip 2 >> pkg_core_id 0 >> snaptime 10476,139242704 >> state on-line >> state_begin 1245917920 >> stepping 10 >> supported_frequencies_Hz >> 1200000000:1600000000:2000000000:2500000000 >> supported_max_cstates 1 >> vendor_id GenuineIntel >> >> module: cpu_info instance: 1 name: >> cpu_info1 class: misc >> brand Pentium(r) Dual-Core CPU >> E5200 @ 2.50GHz >> chip_id 0 >> clock_MHz 2500 >> clog_id 1 >> core_id 1 >> cpu_type i386 >> crtime 40,798983561 >> current_clock_Hz 2500000000 >> current_cstate 0 >> family 6 >> fpu_type i387 compatible >> implementation x86 (chipid 0x0 GenuineIntel >> 1067A family 6 model 23 step 10 clock 2500 MHz) >> model 23 >> ncore_per_chip 2 >> ncpu_per_chip 2 >> pkg_core_id 1 >> snaptime 10476,139826385 >> state on-line >> state_begin 1245917924 >> stepping 10 >> supported_frequencies_Hz >> 1200000000:1600000000:2000000000:2500000000 >> supported_max_cstates 1 >> vendor_id GenuineIntel >> > > _______________________________________________ > pm-discuss mailing list > pm-discuss at opensolaris.org > http://mail.opensolaris.org/mailman/listinfo/pm-discuss
