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[Dolph Mathews <1356925@xxxxxxxxxxxxxxxxxx>]

*** This bug is a duplicate of bug 871822 ***
    https://bugs.launchpad.net/bugs/871822

This almost looks like a bug in Eventlet, or perhaps just poor feedback
from eventlet about the state of the machine it's running on? In
Keystone's case, you could avoid this by deploying to Apache httpd
instead of eventlet.

** This bug has been marked a duplicate of bug 871822
   nova-api crashed with input/output error

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https://bugs.launchpad.net/bugs/1356925

Title:
  keystone-all unexpected crash

Status in OpenStack Identity (Keystone):
  New

Bug description:
  I'm getting this traceback error on log when the keystone service
  crashes. I couldn't reproduce this error to analyse it, so I have no
  idea what is causing.

  (keystone): 2014-08-13 18:29:48,275 CRITICAL IOError: [Errno 5] Input/output error
  Traceback (most recent call last):
    File "/opt/keystone/virtualenv/bin/keystone-all", line 147, in <module>
      serve(*servers)
    File "/opt/keystone/virtualenv/bin/keystone-all", line 97, in serve
      server.wait()
    File "/opt/keystone/virtualenv/lib/python2.7/site-packages/keystone/common/environment/eventlet_server.py", line 110, in wait
      self.pool.waitall()
    File "/opt/keystone/virtualenv/lib/python2.7/site-packages/eventlet/greenpool.py", line 117, in waitall
      self.no_coros_running.wait()
    File "/opt/keystone/virtualenv/lib/python2.7/site-packages/eventlet/event.py", line 116, in wait
      return hubs.get_hub().switch()
    File "/opt/keystone/virtualenv/lib/python2.7/site-packages/eventlet/hubs/hub.py", line 187, in switch
      return self.greenlet.switch()
    File "/opt/keystone/virtualenv/lib/python2.7/site-packages/eventlet/hubs/hub.py", line 236, in run
      self.wait(sleep_time)
    File "/opt/keystone/virtualenv/lib/python2.7/site-packages/eventlet/hubs/poll.py", line 109, in wait
      self.squelch_exception(fileno, sys.exc_info())
    File "/opt/keystone/virtualenv/lib/python2.7/site-packages/eventlet/hubs/hub.py", line 190, in squelch_exception
      traceback.print_exception(*exc_info)
    File "/opt/generic/python27/lib/python2.7/traceback.py", line 124, in print_exception
      _print(file, 'Traceback (most recent call last):')
    File "/opt/generic/python27/lib/python2.7/traceback.py", line 13, in _print
      file.write(str+terminator)
  IOError: [Errno 5] Input/output error

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