. Thread 1 (process 3803): #0 strcmp () at ../sysdeps/x86_64/strcmp.S:29 No locals. #1 0x00007f5c17ff9df4 in _mcd_connection_set_presence (connection=0xa14050, presence=, presence_message=0xa05340 "") at mcd-connection.c:212 presence_str = (const gchar *) 0x0 presence_ht = params_ht = supported_presence_info = (struct presence_info *) 0xa373f0 priv = (McdConnectionPrivate *) 0xa140a0 msg_gval = {g_type = 0, data = {{v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}} __PRETTY_FUNCTION__ = "_mcd_connection_set_presence" #2 0x00007f5c1781127d in IA__g_closure_invoke (closure=0xa0ba00, return_value=0x0, n_param_values=3, param_values=0xa361e0, invocation_hint=0x7fff204301b0) at /build/buildd/glib2.0-2.20.1/gobject/gclosure.c:767 marshal = ( GClosureMarshal) 0x7f5c17feff70 marshal_data = (gpointer) 0x0 __PRETTY_FUNCTION__ = "IA__g_closure_invoke" #3 0x00007f5c178273bc in signal_emit_unlocked_R (node=0x9f3a70, detail=0, instance=0x9f34b0, emission_return=0x0, instance_and_params=0xa361e0) at /build/buildd/glib2.0-2.20.1/gobject/gsignal.c:3317 tmp = handler = (Handler *) 0x9ef4d0 accumulator = (SignalAccumulator *) 0x0 emission = {next = 0x0, instance = 0x9f34b0, ihint = {signal_id = 23, detail = 0, run_type = G_SIGNAL_RUN_LAST}, state = EMISSION_RUN, chain_type = 4} class_closure = (GClosure *) 0x9f0b20 handler_list = (Handler *) 0x9ef4d0 return_accu = (GValue *) 0x0 accu = {g_type = 0, data = {{v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}} signal_id = 23 max_sequential_handler_number = 685 return_value_altered = 1 #4 0x00007f5c17828432 in IA__g_signal_emit_valist (instance=0x9f34b0, signal_id=, detail=0, var_args=0x7fff20430390) at /build/buildd/glib2.0-2.20.1/gobject/gsignal.c:2980 signal_return_type = 4 param_values = (GValue *) 0xa361f8 node = (SignalNode *) 0x9f3a70 i = 2 n_params = 2 __PRETTY_FUNCTION__ = "IA__g_signal_emit_valist" #5 0x00007f5c1782874c in IA__g_signal_emit_by_name (instance=0x9f34b0, detailed_signal=0x7f5c18007a38 "presence-requested") at /build/buildd/glib2.0-2.20.1/gobject/gsignal.c:3074 var_args = {{gp_offset = 32, fp_offset = 48, overflow_arg_area = 0x7fff204304d0, reg_save_area = 0x7fff204303e0}} detail = 0 signal_id = 23 __PRETTY_FUNCTION__ = "IA__g_signal_emit_by_name" #6 0x00007f5c17ff343a in mcd_master_request_presence (master=0x9ee040, presence=MC_PRESENCE_AVAILABLE, presence_message=0x9f5f60 "") at mcd-master.c:844 No locals. #7 0x00007f5c18001d15 in mcd_service_set_presence (obj=0x9ee040, presence=2, message=0x9f5f60 "", error=0x7fff20430980) at mcd-service.c:119 No locals. #8 0x00007f5c180022b2 in dbus_glib_marshal_mcd_service_BOOLEAN__UINT_STRING_POINTER (closure=0x7fff20430830, return_value=0x7fff20430930, n_param_values=, param_values=0xa2ad60, invocation_hint=, marshal_data=0x7f5c18001cd0) at mcd-service-gen.h:351 data1 = (gpointer) 0x9ee040 data2 = (gpointer) 0x0 v_return = __PRETTY_FUNCTION__ = "dbus_glib_marshal_mcd_service_BOOLEAN__UINT_STRING_POINTER" #9 0x00007f5c16eded94 in gobject_message_function (connection=0x9f03e0, message=0xa1b410, user_data=) at dbus-gobject.c:1347 pspec = object = (GObject *) 0x9ee040 setter = getter = getall = s = wincaps_propname = wincaps_propiface = iter = {dummy1 = 0x7fff20430a8c, dummy2 = 0x0, dummy3 = 1, dummy4 = 0, dummy5 = 10540896, dummy6 = 0, dummy7 = 541263980, dummy8 = 1, dummy9 = 10651016, dummy10 = 0, dummy11 = 10651008, pad1 = 0, pad2 = 0, pad3 = 0x1} method = (const DBusGMethodInfo *) 0x7f5c18211aa0 object_info = (const DBusGObjectInfo *) 0x7f5c182118c0 ret = #10 0x00007f5c169e0081 in _dbus_object_tree_dispatch_and_unlock ( tree=0x9f00b0, message=0xa1b410) at dbus-object-tree.c:856 user_data = (void *) 0x9ee040 next = (DBusList *) 0x0 path = (char **) 0xa28560 exact_match = 0 list = (DBusList *) 0x9f7130 link = result = subtree = #11 0x00007f5c169d2966 in dbus_connection_dispatch (connection=0x9f03e0) at dbus-connection.c:4447 message = (DBusMessage *) 0xa1b410 link = filter_list_copy = (DBusList *) 0x0 message_link = (DBusList *) 0x9f7208 result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED status = DBUS_DISPATCH_DATA_REMAINS __FUNCTION__ = "dbus_connection_dispatch" #12 0x00007f5c16edbb55 in message_queue_dispatch ( source=, callback=, user_data=) at dbus-gmain.c:101 connection = (DBusConnection *) 0x9f03e0 #13 0x00007f5c1757920a in IA__g_main_context_dispatch (context=0x9f2040) at /build/buildd/glib2.0-2.20.1/glib/gmain.c:1814 No locals. #14 0x00007f5c1757c8e0 in g_main_context_iterate (context=0x9f2040, block=1, dispatch=1, self=) at /build/buildd/glib2.0-2.20.1/glib/gmain.c:2448 max_priority = 0 timeout = 0 some_ready = 1 nfds = 6 allocated_nfds = fds = (GPollFD *) 0xa053b0 __PRETTY_FUNCTION__ = "g_main_context_iterate" #15 0x00007f5c1757cdad in IA__g_main_loop_run (loop=0xa0e6d0) at /build/buildd/glib2.0-2.20.1/glib/gmain.c:2656 self = (GThread *) 0x9f9070 __PRETTY_FUNCTION__ = "IA__g_main_loop_run" #16 0x0000000000400abc in main (argc=, argv=) at mc-server.c:59 mcd =