.
Thread 2 (process 1936):
#0  0x00007faf424efc80 in g_str_hash () from /lib/libglib-2.0.so.0
No symbol table info available.
#1  0x00007faf424bed7d in g_hash_table_lookup () from /lib/libglib-2.0.so.0
No symbol table info available.
#2  0x00007faf424b7d32 in g_quark_try_string () from /lib/libglib-2.0.so.0
No symbol table info available.
#3  0x00007faf42767fb5 in g_object_steal_data ()
   from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#4  0x00007faf42bc72e0 in unregister_gobject (connection=0x17caca8, 
    dead=0x7faf42bd558b) at dbus-gobject.c:1970
No locals.
#5  0x00007faf42767d40 in ?? () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#6  0x00007faf424b9667 in g_datalist_id_set_data_full ()
   from /lib/libglib-2.0.so.0
No symbol table info available.
#7  0x00007faf427684b1 in g_object_unref () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#8  0x0000000000427e80 in ?? ()
No symbol table info available.
#9  0x00007faf424f6b34 in ?? () from /lib/libglib-2.0.so.0
No symbol table info available.
#10 0x00007faf429a6a04 in start_thread () from /lib/libpthread.so.0
No symbol table info available.
#11 0x00007faf4179e7bd in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#12 0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (process 1925):
#0  0x00007faf42764adf in ?? () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#1  0x00007faf427665ae in g_closure_invoke ()
   from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#2  0x00007faf4277b29c in ?? () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#3  0x00007faf4277cd39 in g_signal_emit_valist ()
   from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#4  0x00007faf4277d283 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#5  0x00007faf43c0c73f in ?? ()
    at /build/buildd/gtk+2.0-2.18.3/gtk/gtkwindow.c:2196
   from /usr/lib/libgtk-x11-2.0.so.0
No symbol table info available.
#6  0x0000000001ac7ec0 in ?? ()
No symbol table info available.
#7  0x00007faf437258c6 in gdk_threads_dispatch (data=0x1aa40a0)
    at /build/buildd/gtk+2.0-2.18.3/gdk/gdk.c:506
	ret = 0
#8  0x00007faf424cdbbe in g_main_context_dispatch ()
   from /lib/libglib-2.0.so.0
No symbol table info available.
#9  0x00007faf424d1588 in ?? () from /lib/libglib-2.0.so.0
No symbol table info available.
#10 0x00007faf424d19e5 in g_main_loop_run () from /lib/libglib-2.0.so.0
No symbol table info available.
#11 0x00007faf43aee0e7 in IA__gtk_main ()
    at /build/buildd/gtk+2.0-2.18.3/gtk/gtkmain.c:1197
	tmp_list = <value optimized out>
	functions = <value optimized out>
	init = <value optimized out>
	loop = <value optimized out>
#12 0x000000000042954b in main ()
No symbol table info available.