Same deal here. 14.04.1, fully updated, etc. Running on a Dell Latitude E7440 that even came with Ubuntu on it. If I plug in a second display after the system is booted, the top panel on the secondary monitor goes transparent. If I boot the system up with the monitor plugged in, no issue.
If I issue a restart to unity (ALT + F2, unity --replace), then it comes back fine. This does not happen if your panel is default transparency, though it does happen if the transparency of the panel has been adjusted (at least in my experience). ** Attachment added: "dualscreen2.png" https://bugs.launchpad.net/unity/+bug/1330405/+attachment/4298631/+files/dualscreen2.png -- You received this bug notification because you are a member of DX Packages, which is subscribed to unity in Ubuntu. Matching subscriptions: dx-packages https://bugs.launchpad.net/bugs/1330405 Title: Unity top panel turns transparent with dual screen. Garbage shadow leftovers appear. Status in Unity: New Status in unity package in Ubuntu: Confirmed Bug description: To reproduce this problem using Ubuntu 14.04: 1- Reduce unity transparency to minimum (I did this using Unity tweak) 2- Connect second screen. External screen is the main one, with unity launcher; 3- Maximize a window in the laptop screen (non main). 4- Drag the window out of maximization. The result is that the panel background will become 100% transparent. The text from the window title will have disappeared, but a black shadow will be left in it's place. To manage notifications about this bug go to: https://bugs.launchpad.net/unity/+bug/1330405/+subscriptions -- Mailing list: https://launchpad.net/~dx-packages Post to : dx-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~dx-packages More help : https://help.launchpad.net/ListHelp
