#0  g_type_check_instance_cast (type_instance=0x559e25e669c0, iface_type=iface_type@entry=0x50) at ../glib/gobject/gtype.c:4198
        node = <optimized out>
        iface = <optimized out>
        is_instantiatable = <optimized out>
        check = <optimized out>
#1  0x00007fdec633f414 in free_fetch_user_request (request=0x559e25e83f60) at ../accountsservice/src/libaccountsservice/act-user-manager.c:1708
        manager = 0x559e25b7c8d0
        priv = <optimized out>
#2  0x00007fdec6346f48 in fetch_user_incrementally (request=<optimized out>) at ../accountsservice/src/libaccountsservice/act-user-manager.c:1802
        manager = <optimized out>
        priv = <optimized out>
        __func__ = "fetch_user_incrementally"
#3  0x00007fdec6347359 in on_find_user_by_id_finished (object=0x559e25bc6b50, result=0x559e25e8c320, data=0x559e25e83f60) at ../accountsservice/src/libaccountsservice/act-user-manager.c:1217
        proxy = <optimized out>
        request = 0x559e25e83f60
        error = 0x0
        user = 0x559e25b91640 "/org/freedesktop/Accounts/User1000"
#4  0x00007fdec77e87f4 in g_task_return_now (task=0x559e25e8c320) at ../glib/gio/gtask.c:1309
#5  0x00007fdec77ec5ed in g_task_return (type=<optimized out>, task=0x559e25e8c320) at ../glib/gio/gtask.c:1378
        source = 0x7fdeb4026d70
#6  g_task_return (task=0x559e25e8c320, type=<optimized out>) at ../glib/gio/gtask.c:1335
#7  0x00007fdec7855e9e in reply_cb (connection=<optimized out>, res=<optimized out>, user_data=0x559e25e8c320) at ../glib/gio/gdbusproxy.c:2571
        data = <optimized out>
        task = 0x559e25e8c320
        value = 0x7fdeb400da10
        error = 0x0
        fd_list = 0x0
#8  0x00007fdec77e87f4 in g_task_return_now (task=0x559e25e8d360) at ../glib/gio/gtask.c:1309
#9  0x00007fdec77ec5ed in g_task_return (type=<optimized out>, task=0x559e25e8d360) at ../glib/gio/gtask.c:1378
        source = 0x7fdeb4026d70
#10 g_task_return (task=0x559e25e8d360, type=<optimized out>) at ../glib/gio/gtask.c:1335
#11 0x00007fdec78431d3 in g_dbus_connection_call_done (source=<optimized out>, result=<optimized out>, user_data=0x559e25e8d360) at ../glib/gio/gdbusconnection.c:5885
        connection = <optimized out>
        task = 0x559e25e8d360
        state = 0x559e25a21720
        error = 0x0
        reply = 0x7fdeb401b2b0
        value = <optimized out>
#12 0x00007fdec77e87f4 in g_task_return_now (task=0x559e25e8d420) at ../glib/gio/gtask.c:1309
#13 0x00007fdec77e882d in complete_in_idle_cb (task=0x559e25e8d420) at ../glib/gio/gtask.c:1323
#14 0x00007fdec75eeafb in g_main_dispatch (context=0x559e233efd80) at ../glib/glib/gmain.c:3460
        dispatch = 0x7fdec75eacf0 <g_idle_dispatch>
        prev_source = 0x0
        begin_time_nsec = 176627800826
        was_in_call = 0
        user_data = 0x559e25e8d420
        callback = 0x7fdec77e8820 <complete_in_idle_cb>
        cb_funcs = 0x7fdec76dd380 <g_source_callback_funcs>
        cb_data = 0x7fdeb401afc0
        need_destroy = <optimized out>
        source = 0x7fdeb4026d70
        current = 0x559e23420240
        i = 0
#15 g_main_context_dispatch (context=0x559e233efd80) at ../glib/glib/gmain.c:4200
#16 0x00007fdec764b5d9 in g_main_context_iterate.constprop.0 (context=0x559e233efd80, block=1, dispatch=1, self=<optimized out>) at ../glib/glib/gmain.c:4276
        max_priority = 0
        timeout = 0
        some_ready = 1
        nfds = 4
        allocated_nfds = <optimized out>
        fds = <optimized out>
        begin_time_nsec = 176627789946
#17 0x00007fdec75ec382 in g_main_context_iteration (context=context@entry=0x559e233efd80, may_block=may_block@entry=1) at ../glib/glib/gmain.c:4343
        retval = <optimized out>
#18 0x00007fdec781dcee in g_application_run (application=0x559e233ec5c0, argc=argc@entry=1, argv=argv@entry=0x7fff0c877438) at ../glib/gio/gapplication.c:2573
        arguments = 0x559e233efcf0
        status = 0
        context = 0x559e233efd80
        acquired_context = <optimized out>
        __func__ = "g_application_run"
#19 0x0000559e21591f8d in main (argc=1, argv=0x7fff0c877438) at ../gnome-control-center/shell/main.c:60
        application = 0x559e233ec5c0