On the login screen, before you enter your password, please try selecting 'Ubuntu on Wayland' from the icon in the bottom right. Does the same problem occur in that mode?
** Tags added: multimonitor ** Package changed: xorg (Ubuntu) => xorg-server (Ubuntu) ** Also affects: mutter (Ubuntu) Importance: Undecided Status: New ** Changed in: mutter (Ubuntu) Status: New => Incomplete ** Changed in: xorg-server (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to mutter in Ubuntu. https://bugs.launchpad.net/bugs/1894903 Title: Changing orientation to portrait on second screend affects performance on primary screen, artifacts like To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mutter/+bug/1894903/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs