On Monday, October 17, 2016 07:46:06 PM Tim Walberg wrote:
> May or may not be related to similar reports, but here's what I've just
> on my system. Built a stock kernel from tags/v4.8.1, relevant cpufreq bits:
> # CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE is not set
> # CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE is not set
> # CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE is not set
> # CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND is not set
> # CONFIG_CPU_FREQ_DEFAULT_GOV_SCHEDUTIL is not set
> # CONFIG_X86_PCC_CPUFREQ is not set
> Conservative is set as default governer, yet when boot completes, all CPUs are
> pegged at the highest frequency. Changing governor to powersave knocks them
> down to the lowest available frequency. Putting them back on conservative (or
> ondemand) results in no change in frequency, despite generating load.
> to performance of course kicks them back up to high frequency. Basically, the
> governors don't seem to be ... governing.
The "convervative" governor issue seems to be the one fixed recently
I'm not sure why "ondemand" behaves incorrectly for you though.