I suspect you installed an image of Oneiric when the indicators got migrated to GTK3 and Unity 2D was not aware of that until too late. That was fixed by a change in dependencies in Unity 2D to depend on the GTK2 versions.
** Changed in: unity-2d Status: New => Invalid ** Changed in: unity-2d (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/809039 Title: icons on panel sometimes become invisible To manage notifications about this bug go to: https://bugs.launchpad.net/unity-2d/+bug/809039/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs