[2011-08-19 13:13:11,874: WARNING/MainProcess] celeryd: Warm shutdown (MainProcess)
[2011-08-19 13:13:11,874: WARNING/MainProcess] Traceback (most recent call last):
[2011-08-19 13:13:11,875: WARNING/MainProcess] File "core.pyx", line 132, in gevent.core.__event_handler (gevent/core.c:1404)
[2011-08-19 13:13:11,875: WARNING/MainProcess] File "/usr/local/lib/python2.7/dist-packages/gevent/socket.py", line 145, in _wait_helper
[2011-08-19 13:13:11,876: WARNING/MainProcess] def _wait_helper(ev, evtype):
[2011-08-19 13:13:11,877: WARNING/MainProcess] File "/usr/local/lib/python2.7/dist-packages/celery/apps/worker.py", line 318, in _stop
[2011-08-19 13:13:11,877: WARNING/MainProcess] raise SystemExit()
[2011-08-19 13:13:11,877: WARNING/MainProcess] SystemExit
[2011-08-19 13:13:11,880: WARNING/MainProcess] Failed to execute callback for event fd=3 READ flags=INIT
  cb  = <function _wait_helper at 0x2aa0c80>
  arg = ( <Greenlet at 0x4b6ef30: <bound method Consumer.start of <celery.worker.consumer.Consumer object at 0x6c3b850>>>,
          timeout('timed out',))