.
Thread 1 (process 5807):
#0  0x0000000000419afd in ?? ()
#1  0x00007f2825863848 in clutter_marshal_BOOLEAN__BOXED ()
   from /usr/lib/libclutter-glx-0.8.so.0
#2  0x00007f28231fa2cd in g_closure_invoke ()
   from /usr/lib/libgobject-2.0.so.0
#3  0x00007f28232110b0 in ?? () from /usr/lib/libgobject-2.0.so.0
#4  0x00007f2823212658 in g_signal_emit_valist ()
   from /usr/lib/libgobject-2.0.so.0
#5  0x00007f2823212d13 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#6  0x00007f282584007e in clutter_actor_event ()
   from /usr/lib/libclutter-glx-0.8.so.0
#7  0x00007f2825862bd5 in clutter_do_event ()
   from /usr/lib/libclutter-glx-0.8.so.0
#8  0x00007f282588ad02 in ?? () from /usr/lib/libclutter-glx-0.8.so.0
#9  0x00007f2822f6130b in g_main_context_dispatch ()
   from /usr/lib/libglib-2.0.so.0
#10 0x00007f2822f64acd in ?? () from /usr/lib/libglib-2.0.so.0
#11 0x00007f2822f64ffd in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#12 0x00007f2825861b75 in clutter_main ()
   from /usr/lib/libclutter-glx-0.8.so.0
#13 0x000000000040d625 in ?? ()
#14 0x00007f28229b75a6 in __libc_start_main () from /lib/libc.so.6
#15 0x000000000040d029 in ?? ()
#16 0x00007fff2ded90c8 in ?? ()
#17 0x000000000000001c in ?? ()
#18 0x0000000000000001 in ?? ()
#19 0x00007fff2dedab65 in ?? ()
#20 0x0000000000000000 in ?? ()