On 12/29/09 01:01 PM, Casper.Dik at Sun.COM wrote:
>> hello all,
>> i installed frkit on my Sun Ultra 20 (not M2) in the past, and until
>> b129, i have no particular problem.
>> The reason i've installed it is because the ultra20 is a noisy machine,
>> so i appreciate to lower the cpu speed, perhaps it's good for power
>> consumption too.
>> But wanting to upgrade to b130, the machine refused to boot and i opened
>> a bug:
>> http://defect.opensolaris.org/bz/show_bug.cgi?id=13599
>>
>> but after i remembered that frkit is installed on my machine, i did an
>> upgrade of frkit before upgrading to b130 and everything is ok now.
>>
>> So my question is about the use of frkit, is it worth to continue to use it?
>
>
> If I forgot to send an update message before 130 hit the repositories,
> then I can only apologize.
>
> There was an update in ACPI in build 130; it changes one of the functions
> called by acpidrv and powernow. Both have been fixed and they work for
> build 130 but also earlier builds.
>
> If you have an older AMD then powernow is the only way to get the CPU run
> at a lower frequency. Solaris requires the tick to be constant; if the
> tick register is coupled to the CPU frequency, then Solaris won't change
> the frequency of the CPU.
>
thanks for your answer. My other question is that i suspect something in
frkit prevent the ultra 20 to resume after suspend. The problem is that
this old machine has no serial to look at the messages during the resume.
i've got theses results:
State MHz Watts Volts
0 2600 104.0 1.400
1 2400 101.6 1.350
2 2200 86.3 1.300
3 2000 73.2 1.250
4 1800 62.1 1.200
5 1000 41.9 1.100 (current)
Powernow mode: automatic
OpenSolaris PowerTOP version 1.2
C-states (idle power) Avg Residency P-states (frequencies)
C0 (cpu running) (74.6%) 2613 Mhz 100.0%
C1 0.7ms (25.4%)
Wakeups-from-idle per second: 576.0 interval: 5.0s
no ACPI power usage estimate available
Top causes for wakeups:
43.3% (249.4) <kernel> : genunix`cv_wakeup
17.4% (100.0) <kernel> : genunix`clock
10.6% ( 61.0) <interrupt> : nvidia#0
8.7% ( 50.0) <kernel> : SDC`sysdc_update
5.8% ( 33.4) <kernel> :
ohci`ohci_handle_root_hub_status_change
5.0% ( 29.0) <interrupt> : nge#0
4.6% ( 26.4) <interrupt> : nv_sata#0
1.7% ( 10.0) <kernel> : ata`ghd_timeout
0.7% ( 4.0) <kernel> : genunix`schedpaging
0.7% ( 3.8) <kernel> :
ehci`ehci_handle_root_hub_status_change
Q - Quit R - Refresh