$ ./python -m test --timeout=60 -v test_signal
== CPython 3.4.0a0 (default:00824f9e29f3+, Jun 17 2013, 16:44:41) [GCC 4.8.1]
==   AIX-1-00F84C0C4C00-powerpc-32bit big-endian
==   /home/dje/src/cpython/build/test_python_5832942
Testing with flags: sys.flags(debug=0, inspect=0, interactive=0, optimize=0, dont_write_bytecode=0, no_user_site=0, no_site=0, ignore_environment=0, verbose=0, bytes_warning=0, quiet=0, hash_randomization=1)
[1/1] test_signal
test_getsignal (test.test_signal.PosixTests) ... ok
test_out_of_range_signal_number_raises_error (test.test_signal.PosixTests) ... ok
test_setting_signal_handler_to_none_raises_error (test.test_signal.PosixTests) ... ok
test_main (test.test_signal.InterProcessSignalTests) ... ok
test_invalid_fd (test.test_signal.WakeupFDTests) ... ok
test_pending (test.test_signal.WakeupSignalTests) ... ok
test_signum (test.test_signal.WakeupSignalTests) ... ok
test_wakeup_fd_during (test.test_signal.WakeupSignalTests) ... ok
test_wakeup_fd_early (test.test_signal.WakeupSignalTests) ... ok
test_siginterrupt_off (test.test_signal.SiginterruptTest) ... ok
test_siginterrupt_on (test.test_signal.SiginterruptTest) ... ok
test_without_siginterrupt (test.test_signal.SiginterruptTest) ... ok
test_itimer_exc (test.test_signal.ItimerTest) ... ok
test_itimer_prof (test.test_signal.ItimerTest) ... ok
test_itimer_real (test.test_signal.ItimerTest) ... ok
test_itimer_virtual (test.test_signal.ItimerTest) ... ok
test_issue9324 (test.test_signal.WindowsSignalTests) ... skipped 'Windows specific'
test_pthread_kill (test.test_signal.PendingSignalsTests) ... ok
test_pthread_kill_main_thread (test.test_signal.PendingSignalsTests) ... ok
test_pthread_sigmask (test.test_signal.PendingSignalsTests) ... ok
test_pthread_sigmask_arguments (test.test_signal.PendingSignalsTests) ... ok
test_sigpending (test.test_signal.PendingSignalsTests) ... ok
test_sigpending_empty (test.test_signal.PendingSignalsTests) ... ok
test_sigtimedwait (test.test_signal.PendingSignalsTests) ... ok
test_sigtimedwait_negative_timeout (test.test_signal.PendingSignalsTests) ... ok
test_sigtimedwait_poll (test.test_signal.PendingSignalsTests) ... ok
test_sigtimedwait_timeout (test.test_signal.PendingSignalsTests) ... ok
test_sigwait (test.test_signal.PendingSignalsTests) ... ok
test_sigwait_thread (test.test_signal.PendingSignalsTests) ... ok
test_sigwaitinfo (test.test_signal.PendingSignalsTests) ... ok
test_sigwaitinfo_interrupted (test.test_signal.PendingSignalsTests) ... Timeout (0:01:00)!
Thread 0x00000001:
  File "/home/dje/src/cpython/Lib/subprocess.py", line 1613 in _communicate_with_poll
  File "/home/dje/src/cpython/Lib/subprocess.py", line 1533 in _communicate
  File "/home/dje/src/cpython/Lib/subprocess.py", line 943 in communicate
  File "/home/dje/src/cpython/Lib/test/script_helper.py", line 36 in _assert_python
  File "/home/dje/src/cpython/Lib/test/script_helper.py", line 54 in assert_python_ok
  File "/home/dje/src/cpython/Lib/test/test_signal.py", line 639 in wait_helper
  File "/home/dje/src/cpython/Lib/test/test_signal.py", line 726 in test_sigwaitinfo_interrupted
  File "/home/dje/src/cpython/Lib/unittest/case.py", line 496 in run
  File "/home/dje/src/cpython/Lib/unittest/case.py", line 535 in __call__
  File "/home/dje/src/cpython/Lib/unittest/suite.py", line 105 in run
  File "/home/dje/src/cpython/Lib/unittest/suite.py", line 67 in __call__
  File "/home/dje/src/cpython/Lib/unittest/suite.py", line 105 in run
  File "/home/dje/src/cpython/Lib/unittest/suite.py", line 67 in __call__
  File "/home/dje/src/cpython/Lib/unittest/runner.py", line 168 in run
  File "/home/dje/src/cpython/Lib/test/support.py", line 1566 in _run_suite
  File "/home/dje/src/cpython/Lib/test/support.py", line 1600 in run_unittest
  File "/home/dje/src/cpython/Lib/test/test_signal.py", line 873 in test_main
  File "/home/dje/src/cpython/Lib/test/regrtest.py", line 1307 in runtest_inner
  File "/home/dje/src/cpython/Lib/test/regrtest.py", line 1011 in runtest
  File "/home/dje/src/cpython/Lib/test/regrtest.py", line 798 in main
  File "/home/dje/src/cpython/Lib/test/regrtest.py", line 1592 in main_in_temp_cwd
  File "/home/dje/src/cpython/Lib/test/__main__.py", line 3 in <module>
  File "/home/dje/src/cpython/Lib/runpy.py", line 73 in _run_code
  File "/home/dje/src/cpython/Lib/runpy.py", line 160 in _run_module_as_main