The Buildbot has detected a failed build on builder AMD64 Fedora Rawhide LTO 3.9 while building python/cpython. Full details are available at: https://buildbot.python.org/all/#builders/428/builds/104

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

Worker for this Build: cstratak-fedora-rawhide-x86_64

Build Reason: <unknown> Blamelist: Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com>, Miss Skeleton (bot) <31488909+miss-islington@users.noreply.github.com>, Pablo Galindo <Pablogsal@gmail.com>, Serhiy Storchaka <storchaka@gmail.com>, Terry Jan Reedy <tjreedy@udel.edu>, Victor Stinner <vstinner@python.org>, Łukasz Langa <lukasz@langa.pl>

BUILD FAILED: failed test (failure)

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

== Tests result: FAILURE then ENV CHANGED ==

410 tests OK.

10 slowest tests:

• test_shelve: 5 min 15 sec
• test_concurrent_futures: 5 min 8 sec
• test_peg_generator: 4 min 46 sec
• test_largefile: 4 min 31 sec
• test_socket: 2 min 15 sec
• test_urllib: 2 min 1 sec
• test_ctypes: 1 min 52 sec
• test_multiprocessing_spawn: 1 min 47 sec
• test_mailbox: 1 min 39 sec
• test_symbol: 1 min 36 sec

1 test altered the execution environment: test_site

14 tests skipped: test_devpoll test_gdb test_ioctl test_kqueue test_msilib 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: 9 min 34 sec

Captured traceback

Traceback (most recent call last): File "/home/buildbot/buildarea/3.9.cstratak-fedora-rawhide-x86_64.lto/build/Lib/test/test_concurrent_futures.py", line 1140, in test_crash_at_task_unpickle self._check_crash(BrokenProcessPool, id, CrashAtUnpickle()) File "/home/buildbot/buildarea/3.9.cstratak-fedora-rawhide-x86_64.lto/build/Lib/test/test_concurrent_futures.py", line 1122, in _check_crash self._fail_on_deadlock(executor) File "/home/buildbot/buildarea/3.9.cstratak-fedora-rawhide-x86_64.lto/build/Lib/test/test_concurrent_futures.py", line 1099, in _fail_on_deadlock self.fail(f"Executor deadlock:\n\n{tb}") AssertionError: Executor deadlock:

Traceback: Thread 0x00007f6a0ad46640 (most recent call first): File "/home/buildbot/buildarea/3.9.cstratak-fedora-rawhide-x86_64.lto/build/Lib/threading.py", line 312 in wait File "/home/buildbot/buildarea/3.9.cstratak-fedora-rawhide-x86_64.lto/build/Lib/multiprocessing/queues.py", line 233 in _feed File "/home/buildbot/buildarea/3.9.cstratak-fedora-rawhide-x86_64.lto/build/Lib/threading.py", line 888 in run File "/home/buildbot/buildarea/3.9.cstratak-fedora-rawhide-x86_64.lto/build/Lib/threading.py", line 950 in _bootstrap_inner File "/home/buildbot/buildarea/3.9.cstratak-fedora-rawhide-x86_64.lto/build/Lib/threading.py", line 908 in _bootstrap

Traceback (most recent call last): File "/home/buildbot/buildarea/3.9.cstratak-fedora-rawhide-x86_64.lto/build/Lib/test/test_concurrent_futures.py", line 1118, in _check_crash res.result(timeout=self.TIMEOUT) File "/home/buildbot/buildarea/3.9.cstratak-fedora-rawhide-x86_64.lto/build/Lib/concurrent/futures/_base.py", line 442, in result raise TimeoutError() concurrent.futures._base.TimeoutError

Test report

Failed tests:

• test_concurrent_futures

Failed subtests:

• test_crash_at_task_unpickle - test.test_concurrent_futures.ProcessPoolForkserverExecutorDeadlockTest

Sincerely, -The Buildbot