Ubuntu
linux package

  1. Bug #1690085
  2. Comment #102

Comment 102 for bug 1690085

Revision history for this message
In , fin4478 (fin4478-linux-kernel-bugs) wrote :

(In reply to ptheis from comment #16)

> - added rcu_nocbs=0-15 to kernel command line (1700x has 16 threads)
> - disabled C6 power management in BIOS

You need to make a custom kernel and enable RCU_NOCB_CPU in the kernel configuration. Otherwise the rcu_nocbs parameter have no effect.

You want to save power when your CPU cores are not used so keep the C6 option enabled in the Bios.