#0  real_assign_crtcs (assignment=assignment@entry=0x7fff9bba85c0, output_num=output_num@entry=0) at core/monitor-config.c:1714
        modes = 0x7f8fea66f640 <meta_crtc_info_free>
        crtcs = 0x0
        outputs = 0x7f8fe8f2b669 <g_malloc0+25>
        n_crtcs = 0
        n_modes = 0
        n_outputs = 0
        output_key = 0x3112300
        output_config = 0x0
        i = <optimized out>
        success = <optimized out>
#1  0x00007f8fea66fce5 in meta_monitor_config_assign_crtcs (outputs=0x6217180, crtcs=0x39482e0, manager=0x69a2a0, config=0x804140) at core/monitor-config.c:1805
        iter = {dummy1 = 0xcd958920, dummy2 = 0x7f8f94001460, dummy3 = 0x1d9e8e0, dummy4 = 6922912, dummy5 = 0, dummy6 = 0x1e64370}
        crtc = 0x7fff9bba85e4
        info = 0x7f8fe23ece69 <up_client_get_properties_sync+185>
        i = <optimized out>
        n_outputs = 0
        assignment = {config = 0x804140, manager = 0x69a2a0, info = 0x7f8f9001d240}
        all_outputs = <optimized out>
#2  apply_configuration (self=0x8418c0, config=0x804140, manager=0x69a2a0, stored=0) at core/monitor-config.c:864
        crtcs = 0x39482e0
        outputs = 0x6217180
#3  0x00007f8fe91f55e7 in _g_closure_invoke_va (closure=0x1e64370, return_value=0x0, instance=0x1d9e8e0, args=0x7fff9bba8828, n_params=0, param_types=0x0) at /build/buildd/glib2.0-2.40.0/./gobject/gclosure.c:831
        marshal = 0x7f8fe91f7140 <g_cclosure_marshal_VOID__VOIDv>
        marshal_data = 0x0
        in_marshal = 0
        real_closure = 0x1e64350
        __FUNCTION__ = "_g_closure_invoke_va"
#4  0x00007f8fe920e088 in g_signal_emit_valist (instance=0x1d9e8e0, signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7fff9bba8828) at /build/buildd/glib2.0-2.40.0/./gobject/gsignal.c:3215
        return_accu = 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}}}
        accumulator = 0x0
        emission = {next = 0x7fff9bba8aa0, instance = 0x1d9e8e0, ihint = {signal_id = 249, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 31001440}
        signal_id = <optimized out>
        instance_type = <optimized out>
        emission_return = {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}}}
        rtype = 4
        static_scope = 0
        fastpath_handler = <optimized out>
        closure = 0x1e64370
        run_type = <optimized out>
        l = <optimized out>
        fastpath = <optimized out>
        instance_and_params = <optimized out>
        signal_return_type = <optimized out>
        param_values = <optimized out>
        i = <optimized out>
        n_params = <optimized out>
        __FUNCTION__ = "g_signal_emit_valist"
#5  0x00007f8fe920ece2 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.40.0/./gobject/gsignal.c:3363
        var_args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7fff9bba8900, reg_save_area = 0x7fff9bba8840}}
#6  0x00007f8fe6a75fb4 in marshal_dbus_message_to_g_marshaller (closure=0x1e642b0, return_value=0x0, n_param_values=<optimized out>, param_values=<optimized out>, invocation_hint=0x7fff9bba8ab0, marshal_data=0x0) at dbus-gproxy.c:1736
        value_array = 0x41bf0e0
        c_marshaller = 0x7f8fe91f70c0 <g_cclosure_marshal_VOID__VOID>
        proxy = 0x1d9fb00
        message = <optimized out>
        gsignature = <optimized out>
        types = <optimized out>
        priv = 0x1d9fab0
        __PRETTY_FUNCTION__ = "marshal_dbus_message_to_g_marshaller"
#7  0x00007f8fe91f53b8 in g_closure_invoke (closure=0x1e642b0, return_value=0x0, n_param_values=3, param_values=0x7fff9bba8b10, invocation_hint=0x7fff9bba8ab0) at /build/buildd/glib2.0-2.40.0/./gobject/gclosure.c:768
        marshal = 0x7f8fe6a75e20 <marshal_dbus_message_to_g_marshaller>
        marshal_data = 0x0
        in_marshal = 0
        real_closure = 0x1e64290
        __FUNCTION__ = "g_closure_invoke"
#8  0x00007f8fe9206d3d in signal_emit_unlocked_R (node=node@entry=0x1d9c970, detail=detail@entry=1731, instance=instance@entry=0x1d9fb00, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7fff9bba8b10) at /build/buildd/glib2.0-2.40.0/./gobject/gsignal.c:3551
        tmp = <optimized out>
        handler = 0x7f8fd0011ac0
        accumulator = 0x0
        emission = {next = 0x0, instance = 0x1d9fb00, ihint = {signal_id = 253, detail = 1731, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4}
        handler_list = 0x7f8fd0011ec0
        return_accu = 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 = 253
        max_sequential_handler_number = 543919
        return_value_altered = 0
#9  0x00007f8fe920ea29 in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=var_args@entry=0x7fff9bba8cc8) at /build/buildd/glib2.0-2.40.0/./gobject/gsignal.c:3307
        instance_and_params = 0x7fff9bba8b10
        signal_return_type = <optimized out>
        param_values = 0x7fff9bba8b28
        i = <optimized out>
        n_params = <optimized out>
        __FUNCTION__ = "g_signal_emit_valist"
#10 0x00007f8fe920ece2 in g_signal_emit (instance=instance@entry=0x1d9fb00, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.40.0/./gobject/gsignal.c:3363
        var_args = {{gp_offset = 40, fp_offset = 48, overflow_arg_area = 0x7fff9bba8da0, reg_save_area = 0x7fff9bba8ce0}}
#11 0x00007f8fe6a7662a in dbus_g_proxy_emit_remote_signal (message=0x6147510, proxy=0x1d9fb00) at dbus-gproxy.c:1789
        gsignature = <optimized out>
        i = <optimized out>
        interface = <optimized out>
        signal = <optimized out>
        q = <optimized out>
        name = 0x1e67490 "org-freedesktop-UPower-Changed"
        priv = <optimized out>
        msg_gsignature = 0x627cf60
#12 dbus_g_proxy_manager_filter (user_data=0x1d9a4e0, message=0x6147510, connection=<optimized out>) at dbus-gproxy.c:1356
        proxy = 0x1d9fb00
        tri = <optimized out>
        tmp = 0x31c6230
        sender = <optimized out>
        full_list = 0x31c6230
        owned_names = <optimized out>
        manager = 0x1d9a4e0
#13 dbus_g_proxy_manager_filter (connection=<optimized out>, message=0x6147510, user_data=0x1d9a4e0) at dbus-gproxy.c:1196
No locals.
#14 0x00007f8fe398c9b6 in dbus_connection_dispatch () from /tmp/apport_sandbox_mcJdSG/lib/x86_64-linux-gnu/libdbus-1.so.3
No symbol table info available.
#15 0x00007f8fe6a6fc95 in message_queue_dispatch (source=<optimized out>, callback=<optimized out>, user_data=<optimized out>) at dbus-gmain.c:90
        connection = 0x1d9fc80
#16 0x00007f8fe8f25e04 in g_main_dispatch (context=0x624ab0) at /build/buildd/glib2.0-2.40.0/./glib/gmain.c:3064
        dispatch = 0x7f8fe6a6fc80 <message_queue_dispatch>
        prev_source = 0x0
        was_in_call = 0
        user_data = 0x0
        callback = 0x0
        cb_funcs = <optimized out>
        cb_data = 0x0
        need_destroy = <optimized out>
        source = 0x1d9c4c0
        current = 0x633630
        i = 0
#17 g_main_context_dispatch (context=context@entry=0x624ab0) at /build/buildd/glib2.0-2.40.0/./glib/gmain.c:3663
No locals.
#18 0x00007f8fe8f26048 in g_main_context_iterate (context=0x624ab0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.40.0/./glib/gmain.c:3734
        max_priority = 0
        timeout = 0
        some_ready = 1
        nfds = <optimized out>
        allocated_nfds = 12
        fds = 0x3d35db0
#19 0x00007f8fe8f2630a in g_main_loop_run (loop=0x627760) at /build/buildd/glib2.0-2.40.0/./glib/gmain.c:3928
        __FUNCTION__ = "g_main_loop_run"
#20 0x00007f8fea66a021 in meta_run () at core/main.c:556
        log_domains = {0x0, 0x7f8fea6bee61 "mutter", 0x7f8fea6bd003 "Gtk", 0x7f8fea6bd007 "Gdk", 0x7f8fea6bd00b "GLib", 0x7f8fea6bd010 "Pango", 0x7f8fea6bd016 "GLib-GObject", 0x7f8fea6bd023 "GThread"}
        i = <optimized out>
#21 0x0000000000401d11 in main (argc=1, argv=0x7fff9bba91c8) at main.c:439
        ctx = <optimized out>
        error = 0x0
        ecode = <optimized out>
        sender = 0x1cf25a0