Ubuntu
linux package

  1. Bug #432706
  2. Comment #4

Comment 4 for bug 432706

Revision history for this message
Rolf Leggewie (r0lf) wrote :

As I mentioned in our private chat, I have serious doubts this is a kernel bug. I can switch governors with the applet, but using the CLI fails.

$ cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
performance
$ echo "conservative" | sudo tee /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
conservative
$ cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
performance
$ echo "ondemand" | sudo tee /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
ondemand
$ cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
performance
$ echo "userspace" | sudo tee /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
userspace
$ cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
userspace
$ echo "powersave" | sudo tee /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
powersave
$ cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
powersave
$ echo "performance" | sudo tee /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
performance