On 03/04/18 08:25, Stephen Morris wrote: > My issue starts with gdm, with gnome shell taking up to 800% of the cpu and > causing, ctrl+alt+F2 to switch to another login to time out, and if I launch gnome > from gdm the issue with gnome shell continues and causes gnome itself to lag. If I > log into kde from gdm instead of logging into gnome the performance issue ceases > and things go back to normal. If I use kdm as the display manager, launching kde > does not cause any performance issues, and, if I launch gnome from kdm there are no > performance issues either, with gnome shell running normally and not thrashing the > cpu, so from my perspective the issue is gdm. The next question is how do I fix it? Are you running GNOME under wayland or Xorg? Could be this. https://bugzilla.redhat.com/show_bug.cgi?id=1517330 -- A motto of mine is: When in doubt, try it out
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