#0  0x00007ff6af4bd951 in g_object_ref (_object=_object@entry=0x247f790) at /build/buildd/glib2.0-2.37.3/./gobject/gobject.c:3054
        __inst = 0x247f790
        __r = <optimized out>
        _g_boolean_var_ = <optimized out>
        object = 0x247f790
        old_val = <optimized out>
        __PRETTY_FUNCTION__ = "g_object_ref"
#1  0x00007ff6af4c3d05 in g_weak_ref_get (weak_ref=weak_ref@entry=0x24bdaf0) at /build/buildd/glib2.0-2.37.3/./gobject/gobject.c:4237
        object_or_null = 0x247f790
        __PRETTY_FUNCTION__ = "g_weak_ref_get"
#2  0x00007ff6aff7f40e in cal_client_emit_backend_property_changed_idle_cb (user_data=0x24bdaf0) at e-cal-client.c:445
        signal_closure = 0x24bdaf0
        client = <optimized out>
#3  0x00007ff6af1f10a6 in g_main_dispatch (context=0x2473510) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:3058
        dispatch = 0x7ff6af1ee0f0 <g_idle_dispatch>
        was_in_call = 0
        user_data = 0x24bdaf0
        callback = 0x7ff6aff7f400 <cal_client_emit_backend_property_changed_idle_cb>
        cb_funcs = 0x7ff6af4a7940 <g_source_callback_funcs>
        cb_data = 0x7ff690021fa0
        need_destroy = <optimized out>
        current_source_link = {data = 0x7ff69001b590, next = 0x0}
        source = 0x7ff69001b590
        current = 0x246aa50
        i = 7
#4  g_main_context_dispatch (context=context@entry=0x2473510) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:3634
No locals.
#5  0x00007ff6af1f13f8 in g_main_context_iterate (context=0x2473510, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:3705
        max_priority = 200
        timeout = 0
        some_ready = 1
        nfds = <optimized out>
        allocated_nfds = 1
        fds = 0x2498470
#6  0x00007ff6af1f17fa in g_main_loop_run (loop=0x247d590) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:3899
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#7  0x0000000000404f88 in main (argc=<optimized out>, argv=<optimized out>) at main.c:57
        loop = 0x247d590
        service = 0x246f0e0