diff --git a/debugging/mp_debug.py b/debugging/mp_debug.py
index c43a8106..513cfaa6 100644
--- a/debugging/mp_debug.py
+++ b/debugging/mp_debug.py
@@ -17,12 +17,12 @@ async def main():
     """
     async with tractor.open_nursery() as n:
 
-        # portal = await n.run_in_actor('future_self', bubble)
-        portal = await n.run_in_actor('future_self', bail)
+        portal = await n.run_in_actor('future_self', bubble)
+        # portal = await n.run_in_actor('future_self', bail)
 
     # The ``async with`` will unblock here since the 'some_linguist'
     # actor has completed its main task ``cellar_door``.
 
 
 if __name__ == '__main__':
-    tractor.run(main, loglevel='info', debug_mode=True)
+    tractor.run(main, loglevel='trace', debug_mode=True)