[issue15599] test_circular_imports() of test_threaded_import fails on FreeBSD 9.0

[STINNER Victor]

New submission from STINNER Victor:

http://buildbot.python.org/all/builders/AMD64%20FreeBSD%209.0%203.x/builds/3231/steps/test/logs/stdio

[111/369] test_threaded_import
test_circular_imports (test.test_threaded_import.ThreadedImportTests) ... Exception in thread Thread-586:
Traceback (most recent call last):
  File "/usr/home/buildbot/buildarea/3.x.krah-freebsd/build/Lib/threading.py", line 639, in _bootstrap_inner
    self.run()
  File "/usr/home/buildbot/buildarea/3.x.krah-freebsd/build/Lib/threading.py", line 596, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/home/buildbot/buildarea/3.x.krah-freebsd/build/Lib/test/test_threaded_import.py", line 194, in import_ab
    import A
ImportError: No module named 'A'

Exception in thread Thread-587:
Traceback (most recent call last):
  File "/usr/home/buildbot/buildarea/3.x.krah-freebsd/build/Lib/threading.py", line 639, in _bootstrap_inner
    self.run()
  File "/usr/home/buildbot/buildarea/3.x.krah-freebsd/build/Lib/threading.py", line 596, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/home/buildbot/buildarea/3.x.krah-freebsd/build/Lib/test/test_threaded_import.py", line 197, in import_ba
    import B
ImportError: No module named 'B'

FAIL
test_import_hangers (test.test_threaded_import.ThreadedImportTests) ... ok
test_parallel_meta_path (test.test_threaded_import.ThreadedImportTests) ... Trying 20 threads ... OK.
Trying 50 threads ... OK.
Trying 20 threads ... OK.
Trying 50 threads ... OK.
Trying 20 threads ... OK.
Trying 50 threads ... OK.
ok
test_parallel_module_init (test.test_threaded_import.ThreadedImportTests) ... Trying 20 threads ... OK.
Trying 50 threads ... OK.
Trying 20 threads ... OK.
Trying 50 threads ... OK.
Trying 20 threads ... OK.
Trying 50 threads ... OK.
ok
test_parallel_path_hooks (test.test_threaded_import.ThreadedImportTests) ... Trying 20 threads ... OK.
Trying 50 threads ... OK.
Trying 20 threads ... OK.
Trying 50 threads ... OK.
Trying 20 threads ... OK.
Trying 50 threads ... OK.
ok
test_side_effect_import (test.test_threaded_import.ThreadedImportTests) ... ok

======================================================================
FAIL: test_circular_imports (test.test_threaded_import.ThreadedImportTests)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/home/buildbot/buildarea/3.x.krah-freebsd/build/Lib/test/test_threaded_import.py", line 205, in test_circular_imports
    self.assertEqual(set(results), {'a', 'b'})
AssertionError: Items in the second set but not the first:
'a'
'b'

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

----------
messages: 167747
nosy: brett.cannon, haypo
priority: normal
severity: normal
status: open
title: test_circular_imports() of test_threaded_import fails on FreeBSD 9.0

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue15599>
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