#0  0x0000000000000000 in ?? ()
No symbol table info available.
#1  0x00007f774c443245 in g_closure_set_meta_marshal (closure=0x2c78470, marshal_data=<optimized out>, meta_marshal=<optimized out>) at /build/buildd/glib2.0-2.41.5/./gobject/gclosure.c:331
        real_closure = <optimized out>
        __FUNCTION__ = "g_closure_set_meta_marshal"
#2  0x00007fff0d85a230 in ?? ()
No symbol table info available.
#3  0x00007f774c15cb98 in g_hash_table_lookup_node (hash_return=<synthetic pointer>, key=0x2c78470, hash_table=0x2) at /build/buildd/glib2.0-2.41.5/./glib/ghash.c:368
        node_hash = <optimized out>
        hash_value = <optimized out>
        have_tombstone = 0
        step = 0
        node_index = <optimized out>
        first_tombstone = 0
#4  g_hash_table_lookup (hash_table=0x2, key=0x2c78470) at /build/buildd/glib2.0-2.41.5/./glib/ghash.c:1092
        node_hash = <optimized out>
        __FUNCTION__ = "g_hash_table_lookup"
#5  0x00007f774c45480b in handler_list_ensure (instance=<optimized out>, signal_id=<optimized out>) at /build/buildd/glib2.0-2.41.5/./gobject/gsignal.c:393
        hlbsa = <optimized out>
        key = {signal_id = 1539, handlers = 0x2879c20, tail_before = 0x100000000000000, tail_after = 0x7fff0d85a250}
#6  handler_insert (signal_id=<optimized out>, instance=<optimized out>, handler=<optimized out>) at /build/buildd/glib2.0-2.41.5/./gobject/gsignal.c:656
        __FUNCTION__ = "handler_insert"
#7  0x00007f774c4480ef in weak_refs_notify (data=0x0) at /build/buildd/glib2.0-2.41.5/./gobject/gobject.c:2630
        wstack = 0x0
        i = 4294967295
#8  0x0000000000000000 in ?? ()
No symbol table info available.