smart出现段错误，如何解决？

clxer

:~> sudo smart --gui
/usr/lib/python2.5/site-packages/gtk-2.0/gtk/__init__.py:69: GtkWarning: could not open display
  warnings.warn(str(e), _gtk.Warning)
/usr/lib/python2.5/site-packages/smart/interfaces/gtk/log.py:36: Warning: invalid (NULL) pointer instance
  gtk.Window.__init__(self)
/usr/lib/python2.5/site-packages/smart/interfaces/gtk/log.py:36: Warning: g_signal_connect_data: assertion `G_TYPE_CHECK_INSTANCE (instance)' failed
  gtk.Window.__init__(self)
/usr/lib/python2.5/site-packages/smart/interfaces/gtk/log.py:50: GtkWarning: gtk_settings_get_for_screen: assertion `GDK_IS_SCREEN (screen)' failed
  self._scrollwin = gtk.ScrolledWindow()
/usr/lib/python2.5/site-packages/smart/interfaces/gtk/log.py:59: GtkWarning: gdk_pango_context_get_for_screen: assertion `GDK_IS_SCREEN (screen)' failed
  self._scrollwin.add(self._textview)
/usr/lib/python2.5/site-packages/smart/interfaces/gtk/log.py:59: PangoWarning: pango_context_set_font_description: assertion `context != NULL' failed
  self._scrollwin.add(self._textview)
/usr/lib/python2.5/site-packages/smart/interfaces/gtk/log.py:59: PangoWarning: pango_context_set_base_dir: assertion `context != NULL' failed
  self._scrollwin.add(self._textview)
/usr/lib/python2.5/site-packages/smart/interfaces/gtk/log.py:59: PangoWarning: pango_context_set_language: assertion `context != NULL' failed
  self._scrollwin.add(self._textview)
/usr/lib/python2.5/site-packages/smart/interfaces/gtk/log.py:59: Warning: g_object_unref: assertion `G_IS_OBJECT (object)' failed
  self._scrollwin.add(self._textview)
/usr/lib/python2.5/site-packages/smart/interfaces/gtk/log.py:59: GtkWarning: gtk_settings_get_for_screen: assertion `GDK_IS_SCREEN (screen)' failed
  self._scrollwin.add(self._textview)
/usr/lib/python2.5/site-packages/smart/interfaces/gtk/log.py:59: GtkWarning: gdk_screen_get_display: assertion `GDK_IS_SCREEN (screen)' failed
  self._scrollwin.add(self._textview)
/usr/lib/python2.5/site-packages/smart/interfaces/gtk/log.py:59: GtkWarning: gdk_keymap_get_for_display: assertion `GDK_IS_DISPLAY (display)' failed
  self._scrollwin.add(self._textview)
/usr/lib/python2.5/site-packages/smart/interfaces/gtk/log.py:59: Warning: g_object_get: assertion `G_IS_OBJECT (object)' failed
  self._scrollwin.add(self._textview)
段错误