Xavier Vello wrote: >> The power management plasmoid contained in plasma-widgets-workspace has the >> ability to switch between supported CPU policies ("More..." -> >> "Capabilities"). However, this requires that the relevant kernel modules >> that implement these policies are loaded; otherwise no CPU policies are >> available. Loading the relevant kernel modules is the job of the >> cpufrequtils package. Hence, plasma-widgets-workspace should recommend the >> cpufrequtils package to the user when being installed. > > Hello > > First, the recommend should be put on the kdebase-workspace-bin package, as > the component responsible for power management is powerdevil (in kdebase- > workspace) and not plasma (which is just an interface to the daemon). > > I agree that /etc/init.d/loadcpufreq is in the cpufrequtils package and is > the > easier way to ensure the governor modules are loaded, although powerdevil > doesn't use /usr/bin/cpufreq*
Is kdebase-workspace-bin accessing this interface directly via /sys or does it use hal (via Solid) for that? If the latter, it would probably be better if hal declared such a dependency. FWIW, hal currently recommends pm-utils which in turn suggests cpufrequtils. Another option could be, to compile the cpufreq* modules statically into the Debian kernel. I would argue that all x86 cpus sold today have power management capability so enabling them by default might be a good idea (unless there a regressions in certain areas). Michael -- Why is it that all of the instruments seeking intelligent life in the universe are pointed away from Earth?
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