[root@localhost bin]# ./qtcreator
(<unknown>:3990): GLib-GObject-CRITICAL **: g_object_unref: assertion `G_IS_OBJECT (object)' failed
(<unknown>:3990): GLib-GIO-CRITICAL **: g_dbus_proxy_get_name_owner: assertion `G_IS_DBUS_PROXY (proxy)' failed
(<unknown>:3990): GLib-GObject-CRITICAL **: g_object_unref: assertion `G_IS_OBJECT (object)' failed
(<unknown>:3990): GLib-GObject-CRITICAL **: g_object_unref: assertion `G_IS_OBJECT (object)' failed
(<unknown>:3990): GLib-GIO-CRITICAL **: g_dbus_proxy_get_name_owner: assertion `G_IS_DBUS_PROXY (proxy)' failed
(<unknown>:3990): GLib-GObject-CRITICAL **: g_object_unref: assertion `G_IS_OBJECT (object)' failed
(<unknown>:3990): GLib-GObject-CRITICAL **: g_object_unref: assertion `G_IS_OBJECT (object)' failed
(<unknown>:3990): GLib-GIO-CRITICAL **: g_dbus_proxy_get_name_owner: assertion `G_IS_DBUS_PROXY (proxy)' failed
(<unknown>:3990): GLib-GObject-CRITICAL **: g_object_unref: assertion `G_IS_OBJECT (object)' failed
Qt: Session management error: None of the authentication protocols specified are supported
g_dbus_connection_real_closed: Remote peer vanished with error: Underlying GIOStream returned 0 bytes on an async read (g-io-error-quark, 0). Exiting.