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Thread 1 (Thread 2137):
#0  0x005713c4 in g_object_unref () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#1  0x056de33f in ?? () from /usr/lib/libunity-private.so.0
No symbol table info available.
#2  0x00571574 in g_object_unref () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#3  0x067bc02d in ?? () from /usr/lib/libgee.so.2
No symbol table info available.
#4  0x00571574 in g_object_unref () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#5  0x056e1393 in unity_launcher_quicklist_controller_show_menu ()
   from /usr/lib/libunity-private.so.0
No symbol table info available.
#6  0x056e43c6 in ?? () from /usr/lib/libunity-private.so.0
No symbol table info available.
#7  0x056e4634 in ?? () from /usr/lib/libunity-private.so.0
No symbol table info available.
#8  0x003680d4 in clutter_marshal_BOOLEAN__BOXED ()
   from /usr/lib/libclutter-glx-1.0.so.0
No symbol table info available.
#9  0x0056f182 in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#10 0x00587105 in ?? () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#11 0x005885fb in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#12 0x00588ee2 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#13 0x0032ddb8 in clutter_actor_event () from /usr/lib/libclutter-glx-1.0.so.0
No symbol table info available.
#14 0x00364810 in ?? () from /usr/lib/libclutter-glx-1.0.so.0
No symbol table info available.
#15 0x003672ce in ?? () from /usr/lib/libclutter-glx-1.0.so.0
No symbol table info available.
#16 0x0037b558 in ?? () from /usr/lib/libclutter-glx-1.0.so.0
No symbol table info available.
#17 0x00368637 in ?? () from /usr/lib/libclutter-glx-1.0.so.0
No symbol table info available.
#18 0x008951b5 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
No symbol table info available.
#19 0x00898fc8 in ?? () from /lib/libglib-2.0.so.0
No symbol table info available.
#20 0x00899507 in g_main_loop_run () from /lib/libglib-2.0.so.0
No symbol table info available.
#21 0x080855b3 in main ()
No symbol table info available.