.
Thread 2 (Thread 2367):
#0  0x00007f8295d9d4b3 in poll () from /lib/libc.so.6
No symbol table info available.
#1  0x00007f82962ae1a0 in g_main_context_poll (context=0x72a350, block=<value optimized out>, dispatch=1, self=<value optimized out>) at /build/buildd/glib2.0-2.27.5/glib/gmain.c:3404
        poll_func = 0x7f82962be160 <g_poll>
#2  g_main_context_iterate (context=0x72a350, block=<value optimized out>, dispatch=1, self=<value optimized out>) at /build/buildd/glib2.0-2.27.5/glib/gmain.c:3086
        max_priority = 2147483647
        timeout = -1
        some_ready = <value optimized out>
        nfds = 1
        allocated_nfds = <value optimized out>
        fds = 0x72a700
#3  0x00007f82962aea7a in g_main_loop_run (loop=0x72a430) at /build/buildd/glib2.0-2.27.5/glib/gmain.c:3299
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#4  0x00007f82954b96f4 in gdbus_shared_thread_func (data=<value optimized out>) at /build/buildd/glib2.0-2.27.5/gio/gdbusprivate.c:276
No locals.
#5  0x00007f82962d55c4 in g_thread_create_proxy (data=0x72a450) at /build/buildd/glib2.0-2.27.5/glib/gthread.c:1897
        thread = 0x72a450
        __PRETTY_FUNCTION__ = "g_thread_create_proxy"
#6  0x00007f8296053d8c in start_thread () from /lib/libpthread.so.0
No symbol table info available.
#7  0x00007f8295daa61d in clone () from /lib/libc.so.6
No symbol table info available.
#8  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (Thread 2362):
#0  0x00007f8297563037 in gdk_x11_drawable_get_xid () from /usr/lib/libgdk-x11-2.0.so.0
No symbol table info available.
#1  0x0000000000418f03 in defaults_get_top_corner ()
No symbol table info available.
#2  0x000000000041e692 in ?? ()
No symbol table info available.
#3  0x000000000041f206 in stack_notify_handler ()
No symbol table info available.
#4  0x000000000041dcc6 in dbus_glib_marshal_stack_VOID__STRING_UINT_STRING_STRING_STRING_BOXED_BOXED_INT_POINTER ()
No symbol table info available.
#5  0x00007f82982e0fef in ?? () from /usr/lib/libdbus-glib-1.so.2
No symbol table info available.
#6  0x00007f82982e14bd in ?? () from /usr/lib/libdbus-glib-1.so.2
No symbol table info available.
#7  0x00007f82980ac9d1 in ?? () from /lib/libdbus-1.so.3
No symbol table info available.
#8  0x00007f829809eae0 in dbus_connection_dispatch () from /lib/libdbus-1.so.3
No symbol table info available.
#9  0x00007f82982dda45 in ?? () from /usr/lib/libdbus-glib-1.so.2
No symbol table info available.
#10 0x00007f82962adc4d in g_main_dispatch (context=0x68e180) at /build/buildd/glib2.0-2.27.5/glib/gmain.c:2440
        dispatch = 0x7f82982dda30
        was_in_call = 0
        user_data = 0x0
        callback = 0
        cb_funcs = 0x0
        cb_data = 0x0
        current_source_link = {data = 0x7346c0, next = 0x0}
        need_destroy = <value optimized out>
        source = 0x7346c0
        current = 0x72ba80
        i = <value optimized out>
#11 g_main_context_dispatch (context=0x68e180) at /build/buildd/glib2.0-2.27.5/glib/gmain.c:3013
No locals.
#12 0x00007f82962ae438 in g_main_context_iterate (context=0x68e180, block=<value optimized out>, dispatch=1, self=<value optimized out>) at /build/buildd/glib2.0-2.27.5/glib/gmain.c:3091
        max_priority = 0
        timeout = 0
        some_ready = 1
        nfds = 9
        allocated_nfds = <value optimized out>
        fds = <value optimized out>
#13 0x00007f82962aea7a in g_main_loop_run (loop=0x734bc0) at /build/buildd/glib2.0-2.27.5/glib/gmain.c:3299
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#14 0x00007f8297913ba7 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
No symbol table info available.
#15 0x000000000041d1ad in main ()
No symbol table info available.