Too bad, the test test_eintr hangs sometimes on "AMD64 FreeBSD 9.x 3.x".

http://buildbot.python.org/all/builders/AMD64%20FreeBSD%209.x%203.x/builds/3442/steps/test/logs/stdio

[397/399] test_traceback -- running: test_eintr (254 sec), test_subprocess (62 sec)
[398/399] test_subprocess (71 sec) -- running: test_eintr (264 sec)
running: test_eintr (324 sec)
running: test_eintr (384 sec)
running: test_eintr (444 sec)
running: test_eintr (504 sec)
...

running: test_eintr (3505 sec)
running: test_eintr (3565 sec)
[399/399] test_eintr
Timeout (1:00:00)!
Thread 0x0000000801807400 (most recent call first):
  File "/usr/home/buildbot/python/3.x.koobs-freebsd9/build/Lib/selectors.py", line 375 in select
  File "/usr/home/buildbot/python/3.x.koobs-freebsd9/build/Lib/subprocess.py", line 1698 in _communicate
  File "/usr/home/buildbot/python/3.x.koobs-freebsd9/build/Lib/subprocess.py", line 1068 in communicate
  File "/usr/home/buildbot/python/3.x.koobs-freebsd9/build/Lib/test/support/script_helper.py", line 86 in run_python_until_end
  File "/usr/home/buildbot/python/3.x.koobs-freebsd9/build/Lib/test/support/script_helper.py", line 96 in _assert_python
  File "/usr/home/buildbot/python/3.x.koobs-freebsd9/build/Lib/test/support/script_helper.py", line 135 in assert_python_ok
  File "/usr/home/buildbot/python/3.x.koobs-freebsd9/build/Lib/test/test_eintr.py", line 19 in test_all
  File "/usr/home/buildbot/python/3.x.koobs-freebsd9/build/Lib/unittest/case.py", line 600 in run
  File "/usr/home/buildbot/python/3.x.koobs-freebsd9/build/Lib/unittest/case.py", line 648 in __call__
  File "/usr/home/buildbot/python/3.x.koobs-freebsd9/build/Lib/unittest/suite.py", line 122 in run
  File "/usr/home/buildbot/python/3.x.koobs-freebsd9/build/Lib/unittest/suite.py", line 84 in __call__
  File "/usr/home/buildbot/python/3.x.koobs-freebsd9/build/Lib/unittest/suite.py", line 122 in run
  File "/usr/home/buildbot/python/3.x.koobs-freebsd9/build/Lib/unittest/suite.py", line 84 in __call__
  File "/usr/home/buildbot/python/3.x.koobs-freebsd9/build/Lib/unittest/suite.py", line 122 in run
  File "/usr/home/buildbot/python/3.x.koobs-freebsd9/build/Lib/unittest/suite.py", line 84 in __call__
  File "/usr/home/buildbot/python/3.x.koobs-freebsd9/build/Lib/unittest/runner.py", line 176 in run
  File "/usr/home/buildbot/python/3.x.koobs-freebsd9/build/Lib/test/support/__init__.py", line 1775 in _run_suite
  File "/usr/home/buildbot/python/3.x.koobs-freebsd9/build/Lib/test/support/__init__.py", line 1809 in run_unittest
  File "/usr/home/buildbot/python/3.x.koobs-freebsd9/build/Lib/test/libregrtest/runtest.py", line 159 in test_runner
  File "/usr/home/buildbot/python/3.x.koobs-freebsd9/build/Lib/test/libregrtest/runtest.py", line 160 in runtest_inner
  File "/usr/home/buildbot/python/3.x.koobs-freebsd9/build/Lib/test/libregrtest/runtest.py", line 113 in runtest
  File "/usr/home/buildbot/python/3.x.koobs-freebsd9/build/Lib/test/libregrtest/runtest_mp.py", line 68 in run_tests_slave
  File "/usr/home/buildbot/python/3.x.koobs-freebsd9/build/Lib/test/libregrtest/main.py", line 357 in main
  File "/usr/home/buildbot/python/3.x.koobs-freebsd9/build/Lib/test/libregrtest/main.py", line 407 in main
  File "/usr/home/buildbot/python/3.x.koobs-freebsd9/build/Lib/test/libregrtest/main.py", line 429 in main_in_temp_cwd
  File "/usr/home/buildbot/python/3.x.koobs-freebsd9/build/Lib/test/regrtest.py", line 39 in <module>
  File "/usr/home/buildbot/python/3.x.koobs-freebsd9/build/Lib/runpy.py", line 85 in _run_code
  File "/usr/home/buildbot/python/3.x.koobs-freebsd9/build/Lib/runpy.py", line 170 in _run_module_as_main
Traceback (most recent call last):
  File "/usr/home/buildbot/python/3.x.koobs-freebsd9/build/Lib/runpy.py", line 170, in _run_module_as_main
    "__main__", mod_spec)
  File "/usr/home/buildbot/python/3.x.koobs-freebsd9/build/Lib/runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "/usr/home/buildbot/python/3.x.koobs-freebsd9/build/Lib/test/__main__.py", line 3, in <module>
    regrtest.main_in_temp_cwd()
  File "/usr/home/buildbot/python/3.x.koobs-freebsd9/build/Lib/test/libregrtest/main.py", line 429, in main_in_temp_cwd
    main()
  File "/usr/home/buildbot/python/3.x.koobs-freebsd9/build/Lib/test/libregrtest/main.py", line 407, in main
    Regrtest().main(tests=tests, **kwargs)
  File "/usr/home/buildbot/python/3.x.koobs-freebsd9/build/Lib/test/libregrtest/main.py", line 365, in main
    self.run_tests()
  File "/usr/home/buildbot/python/3.x.koobs-freebsd9/build/Lib/test/libregrtest/main.py", line 332, in run_tests
    run_tests_multiprocess(self)
  File "/usr/home/buildbot/python/3.x.koobs-freebsd9/build/Lib/test/libregrtest/runtest_mp.py", line 210, in run_tests_multiprocess
    raise Exception(msg)
Exception: Child error on test_eintr: Exit code 1
*** [buildbottest] Error code 1