#0  0x00007f81ba7889dd in g_datalist_id_set_data_full (datalist=0x138ac40, 
    key_id=52, data=0x0, destroy_func=0)
    at /build/buildd/glib2.0-2.27.92/glib/gdataset.c:943
	__PRETTY_FUNCTION__ = "g_datalist_id_set_data_full"
#1  0x000000000138ac30 in ?? ()
No symbol table info available.
#2  0x000000000138ac40 in ?? ()
No symbol table info available.
#3  0x000000000138ac40 in ?? ()
No symbol table info available.
#4  0x000000000138ac30 in ?? ()
No symbol table info available.
#5  0x0000000000000001 in ?? ()
No symbol table info available.
#6  0x0000000001319000 in ?? ()
No symbol table info available.
#7  0x0000000001324950 in ?? ()
No symbol table info available.
#8  0x00007f81baa5fa6f in g_object_real_dispose (object=Unhandled dwarf expression opcode 0x9f
)
    at /build/buildd/glib2.0-2.27.92/gobject/gobject.c:2386
No locals.
#9  0x00007f81baa5fdaa in g_object_unref (_object=0x7f81bc057838)
    at /build/buildd/glib2.0-2.27.92/gobject/gobject.c:2386
	object = (GObject *) 0x7f81bc057838
	old_ref = -1163426266
	__PRETTY_FUNCTION__ = "g_object_unref"
#10 0x000000000148fa90 in ?? ()
No symbol table info available.
#11 0x000000000130c100 in ?? ()
No symbol table info available.
#12 0x0000000003a00003 in ?? ()
No symbol table info available.
#13 0x000000000130c100 in ?? ()
No symbol table info available.
#14 0x0000000001319000 in ?? ()
No symbol table info available.
#15 0x00000000004154d4 in remove_frame_window (win=<value optimized out>)
    at /build/buildd/compiz-0.9.2.1+glibmainloop4/unity/unity_window_decorator/src/wnck.c:36
	d = (decor_t *) 0x1319000
	xdisplay = (Display *) 0x1324950
#16 0x00000000004123d5 in event_filter_func (gdkxevent=0x7fff9fb0fd50, 
    event=<value optimized out>, data=<value optimized out>)
    at /build/buildd/compiz-0.9.2.1+glibmainloop4/unity/unity_window_decorator/src/events.c:430
	frame = <value optimized out>
	window = 0
	win = (WnckWindow *) 0x14854b0
	xdisplay = (Display *) 0x138ac38
	gdkdisplay = <value optimized out>
	xevent = (XEvent *) 0x7fff9fb0fd50
	xid = 140195158948463
#17 0x00000000014854b0 in ?? ()
No symbol table info available.
#18 0x0000000001319000 in ?? ()
No symbol table info available.
#19 0x0000000001360550 in ?? ()
No symbol table info available.
#20 0x0000000001352820 in ?? ()
No symbol table info available.
#21 0x0000000000000000 in ?? ()
No symbol table info available.