#0  0x00007fd181b06c55 in raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
        resultvar = 0
        pid = <value optimized out>
        selftid = 7858
#1  0x00007fd181b0aa06 in abort () at abort.c:92
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x7fd181e729a0 <_IO_2_1_stderr_>, sa_sigaction = 0x7fd181e729a0 <_IO_2_1_stderr_>}, sa_mask = {__val = {2048, 22436000, 140537804723258, 140537800530848, 140537826988032, 22549664, 22302896, 4294967295, 1, 0, 22549664, 3096640, 0, 140537807427152, 22067152, 140537804328960}}, sa_flags = -2094900060, sa_restorer = 0x1}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x00007fd181ee127d in g_assertion_message (domain=<value optimized out>, file=<value optimized out>, line=<value optimized out>, func=0x453080 "_mcd_client_proxy_handler_get_all_cb", message=0x1549f60 "assertion failed: (self->priv->unique_name != NULL)") at /build/buildd/glib2.0-2.29.14/./glib/gtestutils.c:1425
        lstr = "667\000\377\177\000\000PBj\274\377\177\000\000\220\330Q\001\000\000\000\000\070)E\000\000\000\000"
        s = 0x15814a0 ""
#3  0x00007fd181ee17a2 in g_assertion_message_expr (domain=0x446801 "mcd", file=0x452408 "mcd-client.c", line=667, func=0x453080 "_mcd_client_proxy_handler_get_all_cb", expr=<value optimized out>) at /build/buildd/glib2.0-2.29.14/./glib/gtestutils.c:1436
        s = <value optimized out>
#4  0x000000000043bc16 in _mcd_client_proxy_handler_get_all_cb (proxy=<value optimized out>, properties=0x156bf00, error=0x0, p=<value optimized out>, o=<value optimized out>) at mcd-client.c:667
        self = 0x152d590
        bus_name = 0x1521990 "org.freedesktop.Telepathy.Client.GnomeShell._3a1_2e22.n0"
        filters = <value optimized out>
        handled_channels = <value optimized out>
        bypass = <value optimized out>
        __PRETTY_FUNCTION__ = "_mcd_client_proxy_handler_get_all_cb"
#5  0x00007fd182d66ad8 in _tp_cli_dbus_properties_invoke_callback_get_all (self=0x152d590, error=0x0, args=0x157d1a0, generic_callback=0x43b9e0 <_mcd_client_proxy_handler_get_all_cb>, user_data=<value optimized out>, weak_object=<value optimized out>) at _gen/tp-cli-generic-body.h:1190
        callback = 0x43b9e0 <_mcd_client_proxy_handler_get_all_cb>
#6  0x00007fd182d6d840 in tp_proxy_pending_call_idle_invoke (p=0x15436a0) at proxy-methods.c:153
        pc = 0x15436a0
        invoke = <value optimized out>
        __PRETTY_FUNCTION__ = "tp_proxy_pending_call_idle_invoke"
#7  0x00007fd181ebd5bd in g_main_dispatch (context=0x150b7d0) at /build/buildd/glib2.0-2.29.14/./glib/gmain.c:2500
        dispatch = 0x7fd181eb9290 <g_idle_dispatch>
        was_in_call = 0
        user_data = 0x15436a0
        callback = 0x7fd182d6d7d0 <tp_proxy_pending_call_idle_invoke>
        cb_funcs = 0x7fd18216d650
        cb_data = 0x153d6e0
        current_source_link = {data = 0x158d9c0, next = 0x0}
        need_destroy = <value optimized out>
        source = 0x158d9c0
        current = 0x1538c00
        i = <value optimized out>
#8  g_main_context_dispatch (context=0x150b7d0) at /build/buildd/glib2.0-2.29.14/./glib/gmain.c:3083
No locals.
#9  0x00007fd181ebddb8 in g_main_context_iterate (context=0x150b7d0, block=<value optimized out>, dispatch=1, self=<value optimized out>) at /build/buildd/glib2.0-2.29.14/./glib/gmain.c:3161
        max_priority = -100
        timeout = 0
        some_ready = 1
        nfds = 0
        allocated_nfds = <value optimized out>
        fds = <value optimized out>
#10 0x00007fd181ebe2f2 in g_main_loop_run (loop=0x1510110) at /build/buildd/glib2.0-2.29.14/./glib/gmain.c:3369
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#11 0x000000000040e945 in main (argc=<value optimized out>, argv=<value optimized out>) at mc-server.c:78
        mcd = 0x1511010