I did a fresh install of Ubuntu 20.04.1 on another laptop, and I am not able to reproduce this either.
I also noticed, that if I create a new user in the problematic laptop and login as that user, emacs works just fine.
I did a fresh install of Ubuntu 20.04.1 on another laptop, and I am not able to reproduce this either.
I also noticed, that if I create a new user in the problematic laptop and login as that user, emacs works just fine.