(ukui-settings-daemon:4936): Gdk-WARNING **: 08:20:02.277: XSetErrorHandler() called with a GDK error trap pushed. Don't do that. (ukui-settings-daemon:4936): GLib-GObject-CRITICAL **: 08:20:02.481: g_object_unref: assertion 'G_IS_OBJECT (object)' failed (process:5110): libmatemixer-CRITICAL **: 08:20:03.492: mate_mixer_stream_get_name: assertion 'MATE_MIXER_IS_STREAM (stream)' failed (process:5110): libmatemixer-CRITICAL **: 08:20:03.608: mate_mixer_switch_list_options: assertion 'MATE_MIXER_IS_SWITCH (swtch)' failed (process:5110): libmatemixer-CRITICAL **: 08:20:03.608: mate_mixer_switch_get_active_option: assertion 'MATE_MIXER_IS_SWITCH (swtch)' failed (process:5110): libmatemixer-CRITICAL **: 08:20:03.608: mate_mixer_switch_get_active_option: assertion 'MATE_MIXER_IS_SWITCH (swtch)' failed (mate-system-log:5582): Gtk-CRITICAL **: 08:21:27.306: gtk_text_buffer_insert: assertion 'text != NULL' failed