I'm not sure if this is being tracked elsewhere, but I'm certainly
finding that /sys/devices/system/cpu/cpufreq/ondemand/up_threshold (for
example) gets reset after resume from sleep.
I'm using sysfsutils and my workaround is to drop a script in
/etc/pm/sleep.d/90_sysfsutils:
#!/bin/sh
# Tell grub that resume was successful
case "$1" in
resume)
/etc/init.d/sysfsutils restart
;;
esac
I'm not sure if that's ideal, but it seems to get the job done.
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https://bugs.launchpad.net/bugs/68191
Title:
cpufreq scaling_grovernor only saved for CPU0 on SMP following
suspend/resume.
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