I have the same error. I have realized that the error is related to evolution data center. I have found this solution to un-hang gnome-panel :
evolution --force-shutdown Once you execute that command the gnome-panel comes back to normal. -- Clicking on clock applet hangs gnome-panel https://bugs.launchpad.net/bugs/203527 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
