You nailed it: intel hardware (this is what I refered), but modeset driver. Topic is clearer now - thanks. Age of bug is rather old, not a good sign imho.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1888810 Title: MATE desktop in Ubuntu 20.04 screen tearing with modeset driver To manage notifications about this bug go to: https://bugs.launchpad.net/xorg-server/+bug/1888810/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs