cpufreq/powerd workaround?

Uwe Laverenz uwe at laverenz.de
Fri May 18 12:55:29 PDT 2007


On Fri, May 18, 2007 at 09:04:18PM +0200, Adriaan de Groot wrote:

> I don't know if X2's count, but 

Ok, and powerd is running without a problem on this machine I guess?

On my machine powerd seems to do something wrong, cpufreq alone is no
problem:

opt# sysctl -a | grep freq
kern.acct_chkfreq: 15
debug.cpufreq.verbose: 0
debug.cpufreq.lowest: 0
machdep.acpi_timer_freq: 3579545
machdep.tsc_freq: 2386263702
machdep.i8254_freq: 1193182
dev.cpu.0.freq: 2376
dev.cpu.0.freq_levels: 2376/85300 2178/82700 1980/70200 1782/59500
1559/52062 1336/44625 1113/37187 990/30100 866/26337 742/22575 618/18812
495/15050 371/11287 247/7525 123/3762
dev.acpi_throttle.0.freq_settings: 10000/-1 8750/-1 7500/-1 6250/-1
5000/-1 3750/-1 2500/-1 1250/-1
dev.cpufreq.0.%driver: cpufreq
dev.cpufreq.0.%parent: cpu0
dev.cpufreq.1.%driver: cpufreq
dev.cpufreq.1.%parent: cpu1
dev.powernow.0.freq_settings: 2376/85300 2178/82700 1980/70200
1782/59500 990/30100
dev.powernow.1.freq_settings: 2376/85300 2178/82700 1980/70200
1782/59500 990/30100

I can even change cpu.0 manually:

opt# sysctl dev.cpu.0.freq=1000
dev.cpu.0.freq: 2376 -> 990

As soon as I start powerd, the system freezes. I have access to a X2
machine, I'll try to reproduce it there.

thank you,
Uwe



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