This bug is closed, rightly or wrongly. So if you continue to experience any problems then you will need to open a new bug by running:
ubuntu-bug mutter -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1809407 Title: [nvidia] Corrupted wallpaper after resuming from suspend or hibernation To manage notifications about this bug go to: https://bugs.launchpad.net/gnome-shell/+bug/1809407/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs