PowerTop – Bad: NMI watchdog should be turned off

by kiawin

PowerTop rated a “Bad” for “NMI watchdog should be turned off”.

From Arch’s thread it was found out that NMI is fairly not needed.

To disable it,

# sudo su
# echo 0 > /proc/sys/kernel/nmi_watchdog
# exit

To check the changes, you may:

# less /proc/sys/kernel/nmi_watchdog

You should get 0 instead of a 1.