diff --git a/debugging/mp_debug.py b/debugging/mp_debug.py
new file mode 100644
index 0000000..c43a810
--- /dev/null
+++ b/debugging/mp_debug.py
@@ -0,0 +1,28 @@
+import tractor
+import trio
+
+
+async def bubble():
+    print('IN BUBBLE')
+    await trio.sleep(.1)
+    await tractor.breakpoint()
+
+
+async def bail():
+    getattr(doggy)
+
+
+async def main():
+    """The main ``tractor`` routine.
+    """
+    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)
+
+    # 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)