[issue32063] test_multiprocessing_forkserver failed with OSError: [Errno 48] Address already in use

[STINNER Victor]

STINNER Victor  added the comment:

I didn't see this failure recently.

--
resolution:  -> out of date
stage:  -> resolved
status: open -> closed

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[issue32063] test_multiprocessing_forkserver failed with OSError: [Errno 48] Address already in use

[STINNER Victor]

New submission from STINNER Victor :

x86-64 Sierra 3.6:
http://buildbot.python.org/all/#/builders/20/builds/62

0:06:16 load avg: 3.45 [ 87/405/1] test_multiprocessing_forkserver failed -- 
running: test_tokenize (77 sec)
Process QueueManager-260:
Traceback (most recent call last):
  File 
"/Users/buildbot/buildarea/3.6.billenstein-sierra/build/Lib/multiprocessing/process.py",
 line 258, in _bootstrap
self.run()
  File 
"/Users/buildbot/buildarea/3.6.billenstein-sierra/build/Lib/multiprocessing/process.py",
 line 93, in run
self._target(*self._args, **self._kwargs)
  File 
"/Users/buildbot/buildarea/3.6.billenstein-sierra/build/Lib/multiprocessing/managers.py",
 line 539, in _run_server
server = cls._Server(registry, address, authkey, serializer)
  File 
"/Users/buildbot/buildarea/3.6.billenstein-sierra/build/Lib/multiprocessing/managers.py",
 line 139, in __init__
self.listener = Listener(address=address, backlog=16)
  File 
"/Users/buildbot/buildarea/3.6.billenstein-sierra/build/Lib/multiprocessing/connection.py",
 line 438, in __init__
self._listener = SocketListener(address, family, backlog)
  File 
"/Users/buildbot/buildarea/3.6.billenstein-sierra/build/Lib/multiprocessing/connection.py",
 line 576, in __init__
self._socket.bind(address)
OSError: [Errno 48] Address already in use
(...)

test_rlock (test.test_multiprocessing_forkserver.WithThreadsTestLock) ... ok
test_rapid_restart 
(test.test_multiprocessing_forkserver.WithThreadsTestManagerRestart) ... ERROR
Warning -- Dangling processes: {}
test_boundaries (test.test_multiprocessing_forkserver.WithThreadsTestPoll) ... 
ok
test_dont_merge (test.test_multiprocessing_forkserver.WithThreadsTestPoll) ... 
ok
(...)
test_timeout (test.test_multiprocessing_forkserver.WithThreadsTestSemaphore) 
... skipped 'test not appropriate for threads'
test_import (test.test_multiprocessing_forkserver._TestImportStar) ... ok
Warning -- Dangling processes: {}

==
ERROR: test_rapid_restart 
(test.test_multiprocessing_forkserver.WithThreadsTestManagerRestart)
--
Traceback (most recent call last):
  File 
"/Users/buildbot/buildarea/3.6.billenstein-sierra/build/Lib/test/_test_multiprocessing.py",
 line 2508, in test_rapid_restart
manager.start()
  File 
"/Users/buildbot/buildarea/3.6.billenstein-sierra/build/Lib/multiprocessing/managers.py",
 line 517, in start
self._address = reader.recv()
  File 
"/Users/buildbot/buildarea/3.6.billenstein-sierra/build/Lib/multiprocessing/connection.py",
 line 250, in recv
buf = self._recv_bytes()
  File 
"/Users/buildbot/buildarea/3.6.billenstein-sierra/build/Lib/multiprocessing/connection.py",
 line 407, in _recv_bytes
buf = self._recv(4)
  File 
"/Users/buildbot/buildarea/3.6.billenstein-sierra/build/Lib/multiprocessing/connection.py",
 line 383, in _recv
raise EOFError
EOFError

--
components: Tests
messages: 306443
nosy: haypo
priority: normal
severity: normal
status: open
title: test_multiprocessing_forkserver failed with OSError: [Errno 48] Address 
already in use
versions: Python 3.6

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