The Buildbot has detected a failed build on builder s390x RHEL8 LTO + PGO 3.x while building python/cpython. Full details are available at: https://buildbot.python.org/all/#builders/498/builds/219

Buildbot URL: https://buildbot.python.org/all/

Worker for this Build: edelsohn-rhel8-z

Build Reason: <unknown> Blamelist: Dong-hee Na <donghee.na92@gmail.com>

BUILD FAILED: failed test (failure)

Summary of the results of the build (if available):

== Tests result: FAILURE then FAILURE ==

404 tests OK.

10 slowest tests:

• test_concurrent_futures: 2 min 38 sec
• test_multiprocessing_spawn: 1 min 34 sec
• test_multiprocessing_forkserver: 1 min 12 sec
• test_multiprocessing_fork: 1 min 6 sec
• test_signal: 47.3 sec
• test_asyncio: 40.3 sec
• test_imaplib: 37.9 sec
• test_pydoc: 30.7 sec
• test_socket: 30.5 sec
• test_io: 30.3 sec

1 test failed: test_concurrent_futures

15 tests skipped: test_devpoll test_gdb test_ioctl test_kqueue test_msilib test_nis test_ossaudiodev test_startfile test_tix test_tk test_ttk_guionly test_winconsoleio test_winreg test_winsound test_zipfile64

1 re-run test: test_concurrent_futures

Total duration: 6 min 52 sec

Captured traceback

Traceback (most recent call last): File "/home/dje/cpython-buildarea/3.x.edelsohn-rhel8-z.lto-pgo/build/Lib/test/test_concurrent_futures.py", line 1119, in test_crash executor.shutdown(wait=True) File "/home/dje/cpython-buildarea/3.x.edelsohn-rhel8-z.lto-pgo/build/Lib/concurrent/futures/process.py", line 712, in shutdown self._executor_manager_thread_wakeup.wakeup() File "/home/dje/cpython-buildarea/3.x.edelsohn-rhel8-z.lto-pgo/build/Lib/concurrent/futures/process.py", line 80, in wakeup self._writer.send_bytes(b"") File "/home/dje/cpython-buildarea/3.x.edelsohn-rhel8-z.lto-pgo/build/Lib/multiprocessing/connection.py", line 205, in send_bytes self._send_bytes(m[offset:offset + size]) File "/home/dje/cpython-buildarea/3.x.edelsohn-rhel8-z.lto-pgo/build/Lib/multiprocessing/connection.py", line 416, in _send_bytes self._send(header + buf) File "/home/dje/cpython-buildarea/3.x.edelsohn-rhel8-z.lto-pgo/build/Lib/multiprocessing/connection.py", line 373, in _send n = write(self._handle, buf) OSError: [Errno 9] Bad file descriptor

Test report

Failed tests:

• test_concurrent_futures

Failed subtests:

• test_crash - test.test_concurrent_futures.ProcessPoolSpawnExecutorDeadlockTest
• test_crash - test.test_concurrent_futures.ProcessPoolForkserverExecutorDeadlockTest

Sincerely, -The Buildbot