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Title: `test_zstd` failed on ubuntu with free-threading · Issue #133885 · python/cpython · GitHub

Open Graph Title: `test_zstd` failed on ubuntu with free-threading · Issue #133885 · python/cpython

X Title: `test_zstd` failed on ubuntu with free-threading · Issue #133885 · python/cpython

Description: Crash report Link: https://github.com/python/cpython/actions/runs/14954410814/job/42008158034?pr=133876 0:00:11 load avg: 57.89 [ 12/491/1] test_zstd worker non-zero exit code (Exit code -11 (SIGSEGV)) test_compress_empty (test.test_zstd...

Open Graph Description: Crash report Link: https://github.com/python/cpython/actions/runs/14954410814/job/42008158034?pr=133876 0:00:11 load avg: 57.89 [ 12/491/1] test_zstd worker non-zero exit code (Exit code -11 (SIGSE...

X Description: Crash report Link: https://github.com/python/cpython/actions/runs/14954410814/job/42008158034?pr=133876 0:00:11 load avg: 57.89 [ 12/491/1] test_zstd worker non-zero exit code (Exit code -11 (SIGSE...

Opengraph URL: https://github.com/python/cpython/issues/133885

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Hey, it has json ld scripts: 
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ok\ntest_file_dict (test.test_zstd.FileTestCase.test_file_dict) ... ok\ntest_file_prefix (test.test_zstd.FileTestCase.test_file_prefix) ... ok\ntest_fileno (test.test_zstd.FileTestCase.test_fileno) ... ok\ntest_init (test.test_zstd.FileTestCase.test_init) ... ok\ntest_init_bad_check (test.test_zstd.FileTestCase.test_init_bad_check) ... ok\ntest_init_bad_mode (test.test_zstd.FileTestCase.test_init_bad_mode) ... ok\ntest_init_close_fp (test.test_zstd.FileTestCase.test_init_close_fp) ... ok\ntest_init_mode (test.test_zstd.FileTestCase.test_init_mode) ... ok\ntest_init_with_PathLike_filename (test.test_zstd.FileTestCase.test_init_with_PathLike_filename) ... ok\ntest_init_with_filename (test.test_zstd.FileTestCase.test_init_with_filename) ... ok\ntest_init_with_x_mode (test.test_zstd.FileTestCase.test_init_with_x_mode) ... ok\ntest_iterator (test.test_zstd.FileTestCase.test_iterator) ... ok\ntest_name (test.test_zstd.FileTestCase.test_name) ... ok\ntest_peek 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ok\ntest_read_readinto_readinto1 (test.test_zstd.FileTestCase.test_read_readinto_readinto1) ... ok\ntest_read_truncated (test.test_zstd.FileTestCase.test_read_truncated) ... ok\ntest_readable (test.test_zstd.FileTestCase.test_readable) ... ok\ntest_readinto (test.test_zstd.FileTestCase.test_readinto) ... ok\ntest_seek_backward (test.test_zstd.FileTestCase.test_seek_backward) ... ok\ntest_seek_backward_across_streams (test.test_zstd.FileTestCase.test_seek_backward_across_streams) ... ok\ntest_seek_backward_relative_to_end (test.test_zstd.FileTestCase.test_seek_backward_relative_to_end) ... ok\ntest_seek_bad_args (test.test_zstd.FileTestCase.test_seek_bad_args) ... ok\ntest_seek_forward (test.test_zstd.FileTestCase.test_seek_forward) ... ok\ntest_seek_forward_across_streams (test.test_zstd.FileTestCase.test_seek_forward_across_streams) ... ok\ntest_seek_forward_relative_to_current (test.test_zstd.FileTestCase.test_seek_forward_relative_to_current) ... 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ok\ntest_write_empty_frame (test.test_zstd.FileTestCase.test_write_empty_frame) ... ok\ntest_writelines (test.test_zstd.FileTestCase.test_writelines) ... ok\ntest_zstdfile_flush (test.test_zstd.FileTestCase.test_zstdfile_flush) ... ok\ntest_zstdfile_flush_mode (test.test_zstd.FileTestCase.test_zstdfile_flush_mode) ... ok\ntest_zstdfile_iter_issue45475 (test.test_zstd.FileTestCase.test_zstdfile_iter_issue45475) ... ok\ntest_zstdfile_truncate (test.test_zstd.FileTestCase.test_zstdfile_truncate) ... ok\ntest_compress_locking (test.test_zstd.FreeThreadingMethodTests.test_compress_locking) ... Fatal Python error: Segmentation fault\n\n\u003cCannot show all threads while the GIL is disabled\u003e\nStack (most recent call first):\n  File \"/home/runner/work/cpython/cpython-ro-srcdir/Lib/test/test_zstd.py\", line 2450 in run_method\n  File \"/home/runner/work/cpython/cpython-ro-srcdir/Lib/threading.py\"\n```\n\n\u003c!-- gh-linked-prs --\u003e\n### Linked PRs\n* gh-133943\n* gh-133949\n* gh-134253\n* gh-134289\n* gh-134560\n\u003c!-- /gh-linked-prs --\u003e\n","author":{"url":"https://github.com/sobolevn","@type":"Person","name":"sobolevn"},"datePublished":"2025-05-11T10:16:53.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":12},"url":"https://github.com/133885/cpython/issues/133885"}
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og:image:altCrash report Link: https://github.com/python/cpython/actions/runs/14954410814/job/42008158034?pr=133876 0:00:11 load avg: 57.89 [ 12/491/1] test_zstd worker non-zero exit code (Exit code -11 (SIGSE...
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test_zstd failed on ubuntu with free-threadinghttps://github.com/python/cpython/issues/133885#top
3.14bugs and security fixeshttps://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%223.14%22
3.15new features, bugs and security fixeshttps://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%223.15%22
extension-modulesC modules in the Modules dirhttps://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22extension-modules%22
testsTests in the Lib/test dirhttps://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22tests%22
topic-free-threadinghttps://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22topic-free-threading%22
type-crashA hard crash of the interpreter, possibly with a core dumphttps://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22type-crash%22
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on May 11, 2025https://github.com/python/cpython/issues/133885#issue-3054885684
https://github.com/python/cpython/actions/runs/14954410814/job/42008158034?pr=133876https://github.com/python/cpython/actions/runs/14954410814/job/42008158034?pr=133876
gh-133885: skip test_compress_locking in test_zstd #133943https://github.com/python/cpython/pull/133943
[3.14] gh-133885: skip test_compress_locking in test_zstd (GH-133943) #133949https://github.com/python/cpython/pull/133949
gh-133885: Disallow sharing zstd (de)compressor contexts #134253https://github.com/python/cpython/pull/134253
gh-133885: Use locks instead of critical sections for _zstd #134289https://github.com/python/cpython/pull/134289
[3.14] gh-133885: Use locks instead of critical sections for _zstd (gh-134289) #134560https://github.com/python/cpython/pull/134560
3.14bugs and security fixeshttps://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%223.14%22
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type-crashA hard crash of the interpreter, possibly with a core dumphttps://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22type-crash%22
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