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gh-106320: Remove private _PyErr_ChainExceptions() by vstinner · Pull Request #108713 · python/cpython

vstinner

⚠️⚠️⚠️ Buildbot failure ⚠️⚠️⚠️

Hi! The buildbot PPC64LE RHEL7 LTO + PGO 3.x has failed when building commit 79823c1.

What do you need to do:

  1. Don't panic.
  2. Check the buildbot page in the devguide if you don't know what the buildbots are or how they work.
  3. Go to the page of the buildbot that failed (https://buildbot.python.org/all/#builders/43/builds/4141) and take a look at the build logs.
  4. Check if the failure is related to this commit (79823c1) or if it is a false positive.
  5. If the failure is related to this commit, please, reflect that on the issue and make a new Pull Request with a fix.

You can take a look at the buildbot page here:

https://buildbot.python.org/all/#builders/43/builds/4141

Failed tests:

  • test.test_concurrent_futures.test_shutdown

Failed subtests:

  • test_subprocess_consistent_callbacks - test.test_asyncio.test_subprocess.SubprocessThreadedWatcherTests.test_subprocess_consistent_callbacks
  • test_interpreter_shutdown - test.test_concurrent_futures.test_shutdown.ProcessPoolSpawnProcessPoolShutdownTest.test_interpreter_shutdown
  • test_rapid_restart - test.test_multiprocessing_spawn.test_manager.WithManagerTestManagerRestart.test_rapid_restart

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

== Tests result: FAILURE then FAILURE ==

438 tests OK.

10 slowest tests:

  • test_math: 2 min 29 sec
  • test_hashlib: 1 min 53 sec
  • test.test_concurrent_futures.test_wait: 1 min 17 sec
  • test.test_multiprocessing_spawn.test_processes: 1 min 11 sec
  • test_unparse: 57.9 sec
  • test_tokenize: 57.6 sec
  • test_socket: 54.2 sec
  • test_signal: 52.2 sec
  • test.test_multiprocessing_forkserver.test_processes: 48.6 sec
  • test_unicodedata: 46.8 sec

1 test failed:
test.test_concurrent_futures.test_shutdown

23 tests skipped:
test.test_asyncio.test_windows_events
test.test_asyncio.test_windows_utils test_devpoll test_gdb
test_idle test_ioctl test_kqueue test_launcher test_perf_profiler
test_smtpnet test_sqlite3 test_ssl test_startfile test_tcl
test_tkinter test_ttk test_ttk_textonly test_turtle
test_winconsoleio test_winreg test_winsound test_wmi
test_zipfile64

3 re-run tests:
test.test_asyncio.test_subprocess
test.test_concurrent_futures.test_shutdown
test.test_multiprocessing_spawn.test_manager

Total duration: 5 min 22 sec

Click to see traceback logs 
Traceback (most recent call last):
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL7-ppc64le.lto-pgo/build/Lib/test/_test_multiprocessing.py", line 3138, in test_rapid_restart
    manager.start()
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL7-ppc64le.lto-pgo/build/Lib/multiprocessing/managers.py", line 569, in start
    self._address = reader.recv()
                    ^^^^^^^^^^^^^
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL7-ppc64le.lto-pgo/build/Lib/multiprocessing/connection.py", line 249, in recv
    buf = self._recv_bytes()
          ^^^^^^^^^^^^^^^^^^
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL7-ppc64le.lto-pgo/build/Lib/multiprocessing/connection.py", line 413, in _recv_bytes
    buf = self._recv(4)
          ^^^^^^^^^^^^^
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL7-ppc64le.lto-pgo/build/Lib/multiprocessing/connection.py", line 382, in _recv
    raise EOFError
EOFError


Traceback (most recent call last):
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL7-ppc64le.lto-pgo/build/Lib/multiprocessing/process.py", line 314, in _bootstrap
    self.run()
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL7-ppc64le.lto-pgo/build/Lib/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL7-ppc64le.lto-pgo/build/Lib/multiprocessing/managers.py", line 594, in _run_server
    server = cls._Server(registry, address, authkey, serializer)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL7-ppc64le.lto-pgo/build/Lib/multiprocessing/managers.py", line 159, in __init__
    self.listener = Listener(address=address, backlog=16)
                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL7-ppc64le.lto-pgo/build/Lib/multiprocessing/connection.py", line 447, in __init__
    self._listener = SocketListener(address, family, backlog)
                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL7-ppc64le.lto-pgo/build/Lib/multiprocessing/connection.py", line 590, in __init__
    self._socket.bind(address)
OSError: [Errno 98] Address already in use


Traceback (most recent call last):
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL7-ppc64le.lto-pgo/build/Lib/test/test_asyncio/test_subprocess.py", line 788, in test_subprocess_consistent_callbacks
    self.loop.run_until_complete(main())
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL7-ppc64le.lto-pgo/build/Lib/asyncio/base_events.py", line 664, in run_until_complete
    return future.result()
           ^^^^^^^^^^^^^^^
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL7-ppc64le.lto-pgo/build/Lib/test/test_asyncio/test_subprocess.py", line 780, in main
    self.assertEqual(events, [
AssertionError: Lists differ: [('pi[29 chars]t'), 'pipe_connection_lost', ('pipe_data_recei[57 chars]ted'] != [('pi[29 chars]t'), ('pipe_data_received', 2, b'stderr'), 'pi[57 chars]ted']


Traceback (most recent call last):
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL7-ppc64le.lto-pgo/build/Lib/test/test_concurrent_futures/test_shutdown.py", line 49, in test_interpreter_shutdown
    self.assertFalse(err)
AssertionError: b'Exception in thread Thread-1:\nTraceback (most recent call last):\n  File "/home/buildbot/buildarea/3.x.cstratak-RHEL7-ppc64le.lto-pgo/build/Lib/threading.py", line 1059, in _bootstrap_inner\n    self.run()\n  File "/home/buildbot/buildarea/3.x.cstratak-RHEL7-ppc64le.lto-pgo/build/Lib/concurrent/futures/process.py", line 339, in run\n    self.add_call_item_to_queue()\n  File "/home/buildbot/buildarea/3.x.cstratak-RHEL7-ppc64le.lto-pgo/build/Lib/concurrent/futures/process.py", line 394, in add_call_item_to_queue\n    self.call_queue.put(_CallItem(work_id,\n  File "/home/buildbot/buildarea/3.x.cstratak-RHEL7-ppc64le.lto-pgo/build/Lib/multiprocessing/queues.py", line 94, in put\n    self._start_thread()\n  File "/home/buildbot/buildarea/3.x.cstratak-RHEL7-ppc64le.lto-pgo/build/Lib/multiprocessing/queues.py", line 177, in _start_thread\n    self._thread.start()\n  File "/home/buildbot/buildarea/3.x.cstratak-RHEL7-ppc64le.lto-pgo/build/Lib/threading.py", line 978, in start\n    _start_new_thread(self._bootstrap, ())\nRuntimeError: can\'t create new thread at interpreter shutdown\nTraceback (most recent call last):\n  File "<string>", line 1, in <module>\n  File "/home/buildbot/buildarea/3.x.cstratak-RHEL7-ppc64le.lto-pgo/build/Lib/multiprocessing/spawn.py", line 122, in spawn_main\n    exitcode = _main(fd, parent_sentinel)\n               ^^^^^^^^^^^^^^^^^^^^^^^^^^\n  File "/home/buildbot/buildarea/3.x.cstratak-RHEL7-ppc64le.lto-pgo/build/Lib/multiprocessing/spawn.py", line 132, in _main\n    self = reduction.pickle.load(from_parent)\n           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n  File "/home/buildbot/buildarea/3.x.cstratak-RHEL7-ppc64le.lto-pgo/build/Lib/multiprocessing/synchronize.py", line 115, in __setstate__\n    self._semlock = _multiprocessing.SemLock._rebuild(*state)\n                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\nFileNotFoundError: [Errno 2] No such file or directory\n' is not false