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Old 05-03-2010, 08:11 AM
Oliver Grawert
Default ltsp-client should depend on or suggest cpufrequtils

cpufrequtils isnt used in either ubuntu desktop/netbook or server, nontheless the max/min speeds are set properly on these.
i'd suggets to reasearch why the scaling is set wrongly in the first place on ltsp clients instead of working around the issue by installing a third party package.

ltsp-client should depend on or suggest cpufrequtils
You received this bug notification because you are a member of Edubuntu
Bugsquad, which is subscribed to ltsp in ubuntu.

Status in “ltsp” package in Ubuntu: New

Bug description:
Thin clients installed by ltsp-build-client don't use their power management capabilities by default, because scaling_min_speed is set the same as scaling_max_speed in /sys/devices/system/cpu/cpu?/cpufreq .

The cpufrequtils package provides init scripts that automatically enable the ondemand governor and set scaling_min_speed appropriately for the hardware, and offers additional configuration via /etc/default/cpufrequtils. This provides an immediate power use improvement on thin clients, also reducing heat and (for fan models) noise. It improves stability on hot Australian days, too!

As it's harmless on machines that don't support CPU frequency scaling and offers big improvements on those that do, it'd be nice to see it included.

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