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GeezerVison is showing github.com — [3.14 Regression] test_typing.GenericTests.test_parameters_deep_recursion fails on arm-linux-gnueabihf · Issue #158314 · python/cpython

[3.14 Regression] test_typing.GenericTests.test_parameters_deep_recursion fails on arm-linux-gnueabihf #158314

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[3.14 Regression] test_typing.GenericTests.test_parameters_deep_recursion fails on arm-linux-gnueabihf#158314
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3.14bugs and security fixesbugs and security fixestestsTests in the Lib/test dirTests in the Lib/test dirtype-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Description

@doko42
doko42
opened on Sep 28, 2026
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Bug report

Bug description:

this test started to fail with
[3.14] gh-155109: Run tests exhausting the C stack with a limited C stack (GH-155120) (GH-155165)
it succeeds on the 3.15 branch.

5897s Re-running test_typing in verbose mode (matching: test_parameters_deep_recursion)
5897s test_parameters_deep_recursion (test.test_typing.GenericTests.test_parameters_deep_recursion) ... FAIL
5897s 
5897s ======================================================================
5897s FAIL: test_parameters_deep_recursion (test.test_typing.GenericTests.test_parameters_deep_recursion)
5897s ----------------------------------------------------------------------
5897s Traceback (most recent call last):
5897s   File "/usr/lib/python3.14/test/support/__init__.py", line 2859, in wrapper
5897s     raise exceptions[0]
5897s   File "/usr/lib/python3.14/test/support/__init__.py", line 2845, in run
5897s     run_test()
5897s     ~~~~~~~~^^
5897s   File "/usr/lib/python3.14/test/support/__init__.py", line 2833, in run_test
5897s     test(*args, **kwargs)
5897s     ~~~~^^^^^^^^^^^^^^^^^
5897s   File "/usr/lib/python3.14/test/test_typing.py", line 4939, in test_parameters_deep_recursion
5897s     with self.assertRaisesRegex(RecursionError, "in __parameter__ calculation"):
5897s          ~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
5897s AssertionError: RecursionError not raised
5897s 
5897s ----------------------------------------------------------------------
5897s Ran 1 test in 0.271s
5897s 
5897s FAILED (failures=1)
5897s test test_typing failed
5897s 1 test failed again:

CPython versions tested on:

3.14

Operating systems tested on:

Linux

Linked PRs

  • gh-158314: Fix test_parameters_deep_recursion on 32-bit ARM #161847

Activity

  1. doko42
    added
    type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error
    on Sep 28, 2026
  2. aisk
    added
    testsTests in the Lib/test dirTests in the Lib/test dir
    3.14bugs and security fixesbugs and security fixes
    on Sep 28, 2026

  3. doko42 commented on Sep 28, 2026

    @doko42
    doko42
    on Sep 28, 2026
    MemberAuthor
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    this only fails when building a debug interpreter, works on the normal build

  4. encukou commented on Sep 28, 2026

    @encukou
    encukou
    on Sep 28, 2026
    Member
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    cc @serhiy-storchaka

  5. kevinprimeraquecreo-stack
    added this to Project_VKon Oct 18, 2026
  6. github-project-automation
    moved this to Todo in Project_VKon Oct 18, 2026
  7. kevinprimeraquecreo-stack
    added this to Project_VKon Oct 18, 2026
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