diff -r c26e6beb2e35 Lib/asyncio/unix_events.py
--- a/Lib/asyncio/unix_events.py	Sat Jul 26 19:53:38 2014 +0300
+++ b/Lib/asyncio/unix_events.py	Sat Jul 26 13:55:14 2014 -0400
@@ -9,6 +9,7 @@
 import subprocess
 import sys
 import threading
+from multiprocessing import current_process
 
 
 from . import base_events
@@ -45,6 +46,7 @@
     def __init__(self, selector=None):
         super().__init__(selector)
         self._signal_handlers = {}
+        self._pid = current_process().pid
 
     def _socketpair(self):
         return socket.socketpair()
@@ -886,6 +888,15 @@
             isinstance(threading.current_thread(), threading._MainThread):
             self._watcher.attach_loop(loop)
 
+    def get_event_loop(self):
+        # Get a new loop object if we're in a mp child process.
+        if (self._local._loop is not None and
+            self._local._loop._pid != current_process().pid):
+            self.set_event_loop(self.new_event_loop())
+            return self._local._loop
+        else:
+            return super().get_event_loop()
+
     def get_child_watcher(self):
         """Get the watcher for child processes.