.
Hilo 1 (Thread 2611):
#0  0x00007fb9e0f8820c in g_object_weak_unref (object=0x41d37c64e5660eed, notify=0x7fb9e3078240 <instance_destroyed_cb>, data=0x267dc20) at /build/buildd/glib2.0-2.29.6/./gobject/gobject.c:2309
        __inst = 0x41d37c64e5660eed
        __r = <value optimized out>
        _g_boolean_var_ = <value optimized out>
        wstack = <value optimized out>
        found_one = 0
        __PRETTY_FUNCTION__ = "g_object_weak_unref"
#1  0x00007fb9e30782b5 in observer_destroyed_cb (ctx_=0x267dc20, where_the_observer_was=<value optimized out>) at util.c:964
        ctx = 0x267dc20
#2  0x00007fb9e0f81192 in weak_refs_notify (data=0x265b1b0) at /build/buildd/glib2.0-2.29.6/./gobject/gobject.c:2245
        wstack = 0x265b1b0
        i = <value optimized out>
#3  0x00007fb9e0aa5760 in g_datalist_clear (datalist=0x1) at /build/buildd/glib2.0-2.29.6/./glib/gdataset.c:282
        data = 0x2693160
        i = 1
        __PRETTY_FUNCTION__ = "g_datalist_clear"
#4  0x00007fb9e0f81e34 in g_object_finalize (object=0x7fb9d000b800) at /build/buildd/glib2.0-2.29.6/./gobject/gobject.c:903
No locales.
#5  0x00007fb9e0f814a2 in g_object_unref (_object=0x7fb9d000b800) at /build/buildd/glib2.0-2.29.6/./gobject/gobject.c:2710
        __PRETTY_FUNCTION__ = "g_object_unref"
#6  0x00007fb9e0aafb53 in g_hash_table_remove_all_nodes (hash_table=0x2626060, notify=<value optimized out>) at /build/buildd/glib2.0-2.29.6/./glib/ghash.c:495
        i = <value optimized out>
        key = <value optimized out>
        value = 0x7fb9d000b800
#7  0x00007fb9e0ab049a in g_hash_table_unref (hash_table=0x2626060) at /build/buildd/glib2.0-2.29.6/./glib/ghash.c:866
        __PRETTY_FUNCTION__ = "g_hash_table_unref"
#8  0x000000000041bc67 in empathy_auth_factory_dispose (object=0x2653810) at empathy-auth-factory.c:530
        priv = <value optimized out>
#9  0x00007fb9e0f814a2 in g_object_unref (_object=0x2653810) at /build/buildd/glib2.0-2.29.6/./gobject/gobject.c:2710
        __PRETTY_FUNCTION__ = "g_object_unref"
#10 0x0000000000415bfe in main (argc=1, argv=0x7fff808eeb58) at empathy-auth-client.c:309
        context = <value optimized out>
        error = 0x0
        factory = 0x2653810
        debug_sender = 0x260eb20
        __PRETTY_FUNCTION__ = "main"