I'm having the same issues on my Dell Precision laptop with 20.04 lts, kernel 5.8.0-43.
One thing I've noticed: it seems to happen less frequently with Wayland than with X.
I'm having the same issues on my Dell Precision laptop with 20.04 lts, kernel 5.8.0-43.
One thing I've noticed: it seems to happen less frequently with Wayland than with X.