I wonder if this is related to bug 2012225... Next time the issue happens, please run:
journalctl -b0 > journal.txt lspci -k > lspcik.txt and attach the resulting text files here. ** Tags added: hybrid multigpu nvidia ** Package changed: gnome-shell (Ubuntu) => mutter (Ubuntu) ** Summary changed: - Corrupted/missing windows title background when opening windows + [nvidia][lunar] Corrupted/missing windows title background when opening windows -- 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/2015061 Title: [nvidia][lunar] Corrupted/missing windows title background when opening windows To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mutter/+bug/2015061/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
