I'm not sure if this is a Xorg bug or a Gnome Shell (Mutter) bug so let's start with both.
** Also affects: mutter (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1870512 Title: forced software cursor with PageFlip enabled triggers artifacts on screen To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mutter/+bug/1870512/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs