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 DX Packages, which is subscribed to overlay-scrollbar in Ubuntu. Matching subscriptions: dx-packages https://bugs.launchpad.net/bugs/1404344 Title: GNOME Clocks window is transparent Status in overlay-scrollbar package in Ubuntu: Confirmed Bug description: I'm using GNOME Clocks (gnome-clocks-3.12.0-2build1) on Ubuntu 14.10. On my system the Alarm, Stopwatch and Timer window tabs are transparent, while the World tab is not. No window should be transparent, and no other application on my system uses transparent windows. Please see the screenshot for details. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/overlay-scrollbar/+bug/1404344/+subscriptions -- Mailing list: https://launchpad.net/~dx-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~dx-packages More help : https://help.launchpad.net/ListHelp

