Index: Lib/multiprocessing/util.py
===================================================================
--- Lib/multiprocessing/util.py	(revision 84487)
+++ Lib/multiprocessing/util.py	(working copy)
@@ -252,23 +252,30 @@
 
 _exiting = False
 
+
+# underscore prefix these functions so that if _exit_function is
+# executed after a destructor, it will still have access to the
+# functions instead of creating a traceback.
+_info = info
+_debug = debug
+
 def _exit_function():
     global _exiting
 
-    info('process shutting down')
-    debug('running all "atexit" finalizers with priority >= 0')
+    _info('process shutting down')
+    _debug('running all "atexit" finalizers with priority >= 0')
     _run_finalizers(0)
 
     for p in active_children():
         if p._daemonic:
-            info('calling terminate() for daemon %s', p.name)
+            _info('calling terminate() for daemon %s', p.name)
             p._popen.terminate()
 
     for p in active_children():
-        info('calling join() for process %s', p.name)
+        _info('calling join() for process %s', p.name)
         p.join()
 
-    debug('running the remaining "atexit" finalizers')
+    _debug('running the remaining "atexit" finalizers')
     _run_finalizers()
 
 atexit.register(_exit_function)