Mutter

  1. Bug #1764137
  2. Comment #10

Comment 10 for bug 1764137

Revision history for this message
Mateusz MikuĊ‚a (mati865) wrote :

It was long time ago but IIRC after upgrading from Ubuntu 17.10 to 18.04 GDM would try to start on Wayland. With proprietary Nvidia driver it would then fallback to software rendering haence the CPU usage.

Disabling Wayland in /etc/gdm/custom.conf or doing clean install fixes the issue.