Hangs on when many files are added (I tried 714). When less files are added everything goes ok.
$ xfburn (process:2513): GLib-WARNING **: /build/buildd/glib2.0-2.30.0/./glib/goption.c:2168: ignoring no-arg, optional-arg or filename flags (8) on option of type 0 (process:2513): GLib-WARNING **: /build/buildd/glib2.0-2.30.0/./glib/goption.c:2168: ignoring no-arg, optional-arg or filename flags (8) on option of type 0 ** Message: Thunar-VFS not available, using default implementation ** Message: Using gstreamer transcoder. (xfburn:2513): Gtk-CRITICAL **: /build/buildd/gtk+2.0-2.24.6/gtk/gtktreeview.c:6304 (do_validate_rows): assertion `gtk_tree_model_iter_next (tree_view->priv->model, &iter)' failed. There is a disparity between the internal view of the GtkTreeView, and the GtkTreeModel. This generally means that the model has changed without letting the view know. Any display from now on is likely to be incorrect. (xfburn:2513): Gtk-CRITICAL **: /build/buildd/gtk+2.0-2.24.6/gtk/gtktreeview.c:6304 (do_validate_rows): assertion `gtk_tree_model_iter_next (tree_view->priv->model, &iter)' failed. There is a disparity between the internal view of the GtkTreeView, and the GtkTreeModel. This generally means that the model has changed without letting the view know. Any display from now on is likely to be incorrect. ** Gdk:ERROR:/build/buildd/gtk+2.0-2.24.6/gdk/gdkregion-generic.c:1110:miUnionNonO: assertion failed: (y1 < y2) Аварийный останов
*** This bug has been marked as a duplicate of bug 8174 ***