Temporary solution, script placed in /lib/systemd/system-sleep/
case $1/$2 in
post/suspend)
if [ `cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor
| grep powersave | wc -l` -ne 4 ]; then
echo 'powersave' | tee
/sys/devices/system/cpu/cpu[0-3]/cpufreq/scaling_governor
fi;;
esac
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https://bugs.launchpad.net/bugs/1512153
Title:
Secondary CPUs switch to "performance" cpufreq following
suspend/resume cycle
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