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2.6.17-rc3: cpufreq-set -g ondemand does not work



cpufreq-set -g ondemand 
fails on linux-2.6.17-rc3 PowerBook5,6, config see below.

dmesg has:
  ondemand governor failed to load due to too long transition latency

same with conservative. 
Both modules are loaded as lsmod shows.

I will probably try to change the .config to make ondemand 
or conservative the default, but this might be a bug nevertheless,
thus I am reporting.

Any hints?

Relevant .config:


CONFIG_CPU_FREQ=y
CONFIG_CPU_FREQ_TABLE=y
CONFIG_CPU_FREQ_DEBUG=y
CONFIG_CPU_FREQ_STAT=y
CONFIG_CPU_FREQ_STAT_DETAILS=y
# CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE is not set
CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE=y
CONFIG_CPU_FREQ_GOV_PERFORMANCE=m
CONFIG_CPU_FREQ_GOV_POWERSAVE=m
CONFIG_CPU_FREQ_GOV_USERSPACE=y
CONFIG_CPU_FREQ_GOV_ONDEMAND=m
CONFIG_CPU_FREQ_GOV_CONSERVATIVE=m
CONFIG_CPU_FREQ_PMAC=y
# CONFIG_PPC601_SYNC_FIX is not set

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