I also had similar white top bar as in the screenshot above. I then changed the system theme to "Ambiance" and it seems to fix the problem.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/771308 Title: unity top bar using incorrect color scheme and icon set intermittantly -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
