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test_threading: ThreadingIteratorToolsTests crash with segfault on Alpine Linux (musl) #151542
Description
Bug report
AMD64 Alpine Linux NoGIL 3.15: https://buildbot.python.org/#/builders/2123/builds/203
0:05:30 load avg: 5.38 [383/505/1] test_threading worker non-zero exit code (Exit code -11 (SIGSEGV)) -- running (1): test_cppext (44.8 sec)
test_atexit_after_shutdown (test.test_threading.AtexitTests.test_atexit_after_shutdown) ... ok
(...)
test_concurrent_tee_negative_n (test.test_threading.ThreadingIteratorToolsTests.test_concurrent_tee_negative_n) ... ok
test_concurrent_tee_supports_concurrent_consumers (test.test_threading.ThreadingIteratorToolsTests.test_concurrent_tee_supports_concurrent_consumers) ...
Activity
pythongh-151542: Use at least 2 MiB stack size, instead of 1 MiB
vstinner commentedon Jun 17, 2026
This issue was fixed by #151548.