This bug is in overlay-scrollbar. A workaround is to remove it:
sudo apt-get purge overlay-scrollbar ** Package changed: gnome-clocks (Ubuntu) => overlay-scrollbar (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1404344 Title: GNOME Clocks window is transparent To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/overlay-scrollbar/+bug/1404344/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
