Comment 2 for bug 1283156

When the problems occurs:

$ gdbus call -e -d com.canonical.Unity -o /com/canonical/Unity/Debug --method com.canonical.Autopilot.Introspection.GetState "/Unity/PanelController/UnityPanel/MenuView/"
([('/Unity/PanelController/UnityPanel/MenuView', <{'id': <[<uint32 0>, <24>]>, 'globalRect': <[<uint32 1>, <0>, <0>, <1570>, <24>]>, 'x': <[<uint32 0>, <0>]>, 'y': <[<uint32 0>, <0>]>, 'width': <[<uint32 0>, <1570>]>, 'height': <[<uint32 0>, <24>]>, 'entries': <[<uint32 0>, <uint64 7>]>, 'opacity': <[<uint32 0>, <0.0>]>, 'mouse_inside': <[<uint32 0>, <false>]>, 'grabbed': <[<uint32 0>, <false>]>, 'active_win_maximized': <[<uint32 0>, <false>]>, 'active_win_is_desktop': <[<uint32 0>, <false>]>, 'panel_title': <[<uint32 0>, <'Terminal'>]>, 'desktop_active': <[<uint32 0>, <false>]>, 'monitor': <[<uint32 0>, <0>]>, 'active_window': <[<uint32 0>, <uint64 67109000>]>, 'draw_menus': <[<uint32 0>, <false>]>, 'draw_window_buttons': <[<uint32 0>, <false>]>, 'controls_active_window': <[<uint32 0>, <true>]>, 'fadein_duration': <[<uint32 0>, <uint32 100>]>, 'fadeout_duration': <[<uint32 0>, <uint32 120>]>, 'discovery_duration': <[<uint32 0>, <uint32 2>]>, 'discovery_fadein_duration': <[<uint32 0>, <uint32 200>]>, 'discovery_fadeout_duration': <[<uint32 0>, <uint32 300>]>, 'has_menus': <[<uint32 0>, <true>]>, 'title_geo': <[<uint32 1>, <6>, <3>, <62>, <17>]>, 'Children': <[<uint32 0>, <['WindowButtons', 'GrabArea', 'IndicatorEntryDropdownView', 'IndicatorEntry', 'IndicatorEntry', 'IndicatorEntry', 'IndicatorEntry', 'IndicatorEntry', 'IndicatorEntry']>]>}>)],)