Oooh. I see. You most likely will now encounter bug 1727356. Please apply the workaround mentioned in bug 1727356, or try its proposed fix from here:
https://launchpad.net/ubuntu/+source/mutter/3.28.3-2~ubuntu18.04.2 -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-shell in Ubuntu. https://bugs.launchpad.net/bugs/1803504 Title: Screen stops redrawing sometimes when moving windows To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1803504/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
