Tried with the newest mutter (42.2-0ubuntu1) and gnome-shell (42.2-0ubuntu0.2), the screen freeze after I plug external monitor.
** Attachment added: "gnome-shell-20220621.log" https://bugs.launchpad.net/oem-priority/+bug/1976204/+attachment/5598650/+files/gnome-shell-20220621.log -- 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/1976204 Title: Screen freeze if a 4K monitor is added to a 4K laptop while DING is active To manage notifications about this bug go to: https://bugs.launchpad.net/oem-priority/+bug/1976204/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
