[New-bugs-announce] [issue37385] test_multiprocessing fails on AMD64 FreeBSD CURRENT Shared 2.7

[STINNER Victor]

New submission from STINNER Victor <vstinner at redhat.com>:

AMD64 FreeBSD CURRENT Shared 2.7:
https://buildbot.python.org/all/#/builders/169/builds/146

0:02:22 load avg: 3.64 [119/404/1] test_multiprocessing failed
Process Process-16:
Traceback (most recent call last):
  File "/usr/home/buildbot/python/2.7.koobs-freebsd-current/build/Lib/multiprocessing/process.py", line 267, in _bootstrap
    self.run()
  File "/usr/home/buildbot/python/2.7.koobs-freebsd-current/build/Lib/multiprocessing/process.py", line 114, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/home/buildbot/python/2.7.koobs-freebsd-current/build/Lib/test/test_multiprocessing.py", line 1797, in _writefd
    fd = reduction.recv_handle(conn)
  File "/usr/home/buildbot/python/2.7.koobs-freebsd-current/build/Lib/multiprocessing/reduction.py", line 83, in recv_handle
    return _multiprocessing.recvfd(conn.fileno())
RuntimeError: No file descriptor received
Process Process-17:
Traceback (most recent call last):
  File "/usr/home/buildbot/python/2.7.koobs-freebsd-current/build/Lib/multiprocessing/process.py", line 267, in _bootstrap
    self.run()
  File "/usr/home/buildbot/python/2.7.koobs-freebsd-current/build/Lib/multiprocessing/process.py", line 114, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/home/buildbot/python/2.7.koobs-freebsd-current/build/Lib/test/test_multiprocessing.py", line 1797, in _writefd
    fd = reduction.recv_handle(conn)
  File "/usr/home/buildbot/python/2.7.koobs-freebsd-current/build/Lib/multiprocessing/reduction.py", line 83, in recv_handle
    return _multiprocessing.recvfd(conn.fileno())
RuntimeError: No file descriptor received
test test_multiprocessing failed -- multiple errors occurred; run in verbose mode for details

...

test_duplex_false (test.test_multiprocessing.WithProcessesTestConnection) ... ok
Process Process-16:
Traceback (most recent call last):
  File "/usr/home/buildbot/python/2.7.koobs-freebsd-current/build/Lib/multiprocessing/process.py", line 267, in _bootstrap
    self.run()
  File "/usr/home/buildbot/python/2.7.koobs-freebsd-current/build/Lib/multiprocessing/process.py", line 114, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/home/buildbot/python/2.7.koobs-freebsd-current/build/Lib/test/test_multiprocessing.py", line 1797, in _writefd
    fd = reduction.recv_handle(conn)
  File "/usr/home/buildbot/python/2.7.koobs-freebsd-current/build/Lib/multiprocessing/reduction.py", line 83, in recv_handle
    return _multiprocessing.recvfd(conn.fileno())
RuntimeError: No file descriptor received
test_fd_transfer (test.test_multiprocessing.WithProcessesTestConnection) ... FAIL
Process Process-17:
Traceback (most recent call last):
  File "/usr/home/buildbot/python/2.7.koobs-freebsd-current/build/Lib/multiprocessing/process.py", line 267, in _bootstrap
    self.run()
  File "/usr/home/buildbot/python/2.7.koobs-freebsd-current/build/Lib/multiprocessing/process.py", line 114, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/home/buildbot/python/2.7.koobs-freebsd-current/build/Lib/test/test_multiprocessing.py", line 1797, in _writefd
    fd = reduction.recv_handle(conn)
  File "/usr/home/buildbot/python/2.7.koobs-freebsd-current/build/Lib/multiprocessing/reduction.py", line 83, in recv_handle
    return _multiprocessing.recvfd(conn.fileno())
RuntimeError: No file descriptor received
test_large_fd_transfer (test.test_multiprocessing.WithProcessesTestConnection) ... FAIL

======================================================================
FAIL: test_fd_transfer (test.test_multiprocessing.WithProcessesTestConnection)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/home/buildbot/python/2.7.koobs-freebsd-current/build/Lib/test/test_multiprocessing.py", line 1819, in test_fd_transfer
    self.assertEqual(f.read(), b"foo")
AssertionError: '' != 'foo'

======================================================================
FAIL: test_large_fd_transfer (test.test_multiprocessing.WithProcessesTestConnection)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/home/buildbot/python/2.7.koobs-freebsd-current/build/Lib/test/test_multiprocessing.py", line 1851, in test_large_fd_transfer
    self.assertEqual(f.read(), b"bar")
AssertionError: '' != 'bar'

----------------------------------------------------------------------

----------
components: Tests
messages: 346378
nosy: vstinner
priority: normal
severity: normal
status: open
title: test_multiprocessing fails on AMD64 FreeBSD CURRENT Shared 2.7
versions: Python 2.7

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue37385>
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