#0  _tpf_persona_contact_weak_notify_cb (obj=<optimized out>, self=0x1708480) at tpf-persona.c:1736
        _tmp0_ = <optimized out>
#1  __tpf_persona_contact_weak_notify_cb_gweak_notify (self=0x1708480, object=<optimized out>) at tpf-persona.c:526
No locals.
#2  0x00007f596f3f9132 in weak_refs_notify (data=0x1446bb0) at /build/buildd/glib2.0-2.33.3/./gobject/gobject.c:2469
        wstack = 0x1446bb0
        i = <optimized out>
#3  0x00007f596f3fa0a4 in g_object_unref (_object=0x13e3630) at /build/buildd/glib2.0-2.33.3/./gobject/gobject.c:2986
        weak_locations = 0x0
        object = 0x13e3630
        old_ref = <optimized out>
        __PRETTY_FUNCTION__ = "g_object_unref"
#4  0x00007f596f10deeb in g_ptr_array_foreach (array=array@entry=0x17a83a0, func=0x439850 <g_object_unref@plt>, user_data=user_data@entry=0x0) at /build/buildd/glib2.0-2.33.3/./glib/garray.c:1434
        i = <optimized out>
        __PRETTY_FUNCTION__ = "g_ptr_array_foreach"
#5  0x00007f596f10dfb0 in ptr_array_free (farray=0x17a83a0, flags=flags@entry=FREE_SEGMENT) at /build/buildd/glib2.0-2.33.3/./glib/garray.c:1063
        array = 0x17a83a0
        segment = <optimized out>
#6  0x00007f596f10e04a in g_ptr_array_unref (array=array@entry=0x17a83a0) at /build/buildd/glib2.0-2.33.3/./glib/garray.c:1014
        rarray = 0x17a83a0
        __PRETTY_FUNCTION__ = "g_ptr_array_unref"
#7  0x00007f59734a5acf in contacts_changed_head_ready (self=self@entry=0x118e720) at connection-contact-list.c:130
        item = 0x17b3860
        iter = {dummy1 = 0x17a8c60, dummy2 = 0x7f596f174029, dummy3 = 0x20, dummy4 = 8, dummy5 = 32601, dummy6 = 0x1}
        added = 0x17b3880
        removed = 0x17a83a0
        i = <optimized out>
        __PRETTY_FUNCTION__ = "contacts_changed_head_ready"
#8  0x00007f59734a5b8b in process_queued_contacts_changed (self=0x118e720) at connection-contact-list.c:187
        item = 0x17b3860
        iter = {dummy1 = 0x12cb700, dummy2 = 0x17b3860, dummy3 = 0x12cb700, dummy4 = 8, dummy5 = 32601, dummy6 = 0x0}
        key = 0x17a8c60
        value = 0x7f596f134a73
#9  0x00007f597347efc5 in _tp_cli_connection_interface_contact_list_invoke_callback_for_contacts_changed_with_id (tpproxy=0x118e720, error=<optimized out>, args=0x17a85a0, generic_callback=0x7f59734a5ff0 <contacts_changed_cb>, user_data=<optimized out>, weak_object=<optimized out>) at _gen/tp-cli-connection-body.h:11115
        callback = 0x7f59734a5ff0 <contacts_changed_cb>
#10 0x00007f597350138c in tp_proxy_signal_invocation_run (p=0x17a87a0) at proxy-signals.c:268
        invocation = 0x17a87a0
        popped = <optimized out>
#11 0x00007f596f1378b5 in g_main_dispatch (context=0x101cc70) at /build/buildd/glib2.0-2.33.3/./glib/gmain.c:2539
        dispatch = 0x7f596f1355d0 <g_idle_dispatch>
        was_in_call = 0
        user_data = 0x17a87a0
        callback = 0x7f5973501330 <tp_proxy_signal_invocation_run>
        cb_funcs = 0x7f596f3e39a0
        cb_data = 0x17b5fb0
        current_source_link = {data = 0x17a7960, next = 0x0}
        need_destroy = <optimized out>
        source = 0x17a7960
        current = 0x114d8b0
        i = <optimized out>
#12 g_main_context_dispatch (context=context@entry=0x101cc70) at /build/buildd/glib2.0-2.33.3/./glib/gmain.c:3075
No locals.
#13 0x00007f596f137be8 in g_main_context_iterate (context=context@entry=0x101cc70, block=block@entry=1, dispatch=dispatch@entry=1, self=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at /build/buildd/glib2.0-2.33.3/./glib/gmain.c:3146
        max_priority = -100
        timeout = 0
        some_ready = 1
        nfds = <optimized out>
        allocated_nfds = <optimized out>
        fds = 0x116d2c0
#14 0x00007f596f137ca4 in g_main_context_iteration (context=0x101cc70, context@entry=0x0, may_block=may_block@entry=1) at /build/buildd/glib2.0-2.33.3/./glib/gmain.c:3207
        retval = <optimized out>
#15 0x00007f596f6d7d6c in g_application_run (application=0x1072230, argc=argc@entry=1, argv=argv@entry=0x7fff4a31bcf8) at /build/buildd/glib2.0-2.33.3/./gio/gapplication.c:1607
        arguments = 0x103c0a0
        status = -1431655766
        i = <optimized out>
        __PRETTY_FUNCTION__ = "g_application_run"
#16 0x000000000043b080 in main (argc=1, argv=0x7fff4a31bcf8) at empathy.c:845
        app = 0x1072230
        retval = <optimized out>