Skip to content

Crash in test_free_threading.test_monitoring.SetProfileMultiThreaded.test_instrumentation #120158

Closed
Closed
Crash in test_free_threading.test_monitoring.SetProfileMultiThreaded.test_instrumentation#120158
Labels
testsTests in the Lib/test dirtopic-free-threadingtype-crashA hard crash of the interpreter, possibly with a core dump

Description

@colesbury
colesbury
opened on Jun 6, 2024

Crash report

The 3.13 refleaks build crashed with the following assertion error:

Python/instrumentation.c:1227: _Py_call_instrumentation_line: Assertion `debug_check_sanity(tstate->interp, code)' failed.
Fatal Python error: Aborted
Thread 0x00007f12c9ffb640 (most recent call first):
  File "/home/ubuntu/buildarea/3.13.itamaro-ubuntu-aws.refleak.nogil/build/Lib/test/test_free_threading/test_monitoring.py", line 31 in work
  File "/home/ubuntu/buildarea/3.13.itamaro-ubuntu-aws.refleak.nogil/build/Lib/test/test_free_threading/test_monitoring.py", line 34 in work
  File "/home/ubuntu/buildarea/3.13.itamaro-ubuntu-aws.refleak.nogil/build/Lib/test/test_free_threading/test_monitoring.py", line 34 in work
  File "/home/ubuntu/buildarea/3.13.itamaro-ubuntu-aws.refleak.nogil/build/Lib/test/test_free_threading/test_monitoring.py", line 34 in work
  File "/home/ubuntu/buildarea/3.13.itamaro-ubuntu-aws.refleak.nogil/build/Lib/test/test_free_threading/test_monitoring.py", line 34 in work
  File "/home/ubuntu/buildarea/3.13.itamaro-ubuntu-aws.refleak.nogil/build/Lib/test/test_free_threading/test_monitoring.py", line 34 in work
  File "/home/ubuntu/buildarea/3.13.itamaro-ubuntu-aws.refleak.nogil/build/Lib/test/test_free_threading/test_monitoring.py", line 34 in work
  File "/home/ubuntu/buildarea/3.13.itamaro-ubuntu-aws.refleak.nogil/build/Lib/test/test_free_threading/test_monitoring.py", line 34 in work
  File "/home/ubuntu/buildarea/3.13.itamaro-ubuntu-aws.refleak.nogil/build/Lib/test/test_free_threading/test_monitoring.py", line 34 in work
  File "/home/ubuntu/buildarea/3.13.itamaro-ubuntu-aws.refleak.nogil/build/Lib/test/test_free_threading/test_monitoring.py", line 34 in work
  File "/home/ubuntu/buildarea/3.13.itamaro-ubuntu-aws.refleak.nogil/build/Lib/test/test_free_threading/test_monitoring.py", line 40 in python: Python/instrumentation.c:1227: _Py_call_instrumentation_line: Assertion `debug_check_sanity(tstate->interp, code)' failed.
start_work
  File "/home/ubuntu/buildarea/3.13.itamaro-ubuntu-aws.refleak.nogil/build/Lib/threading.py", line 990 in run
  File "/home/ubuntu/buildarea/3.13.itamaro-ubuntu-aws.refleak.nogil/build/Lib/threading.py", line 1039 in _bootstrap_inner
  File "/home/ubuntu/buildarea/3.13.itamaro-ubuntu-aws.refleak.nogil/build/Lib/threading.py", line 1010 in _bootstrap
Thread 0x00007f12cb7fe640 (most recent call first):
  File "/home/ubuntu/buildarea/3.13.itamaro-ubuntu-aws.refleak.nogil/build/Lib/test/test_free_threading/test_monitoring.py", line 31 in work
  File "/home/ubuntu/buildarea/3.13.itamaro-ubuntu-aws.refleak.nogil/build/Lib/test/test_free_threading/test_monitoring.py", line 34 in work
  File "/home/ubuntu/buildarea/3.13.itamaro-ubuntu-aws.refleak.nogil/build/Lib/test/test_free_threading/test_monitoring.py", line 34
1 test failed again:
    test_free_threading

https://buildbot.python.org/all/#/builders/1431/builds/88/steps/5/logs/stdio

Linked PRs

Activity

  1. colesbury
    added
    testsTests in the Lib/test dir
    type-crashA hard crash of the interpreter, possibly with a core dump
    3.13only security fixes
    topic-free-threading
    on Jun 6, 2024

  2. colesbury commented on Jun 6, 2024

    @colesbury
    colesbury
    on Jun 6, 2024
    ContributorAuthor

    cc @DinoV

  3. Fidget-Spinner commented on Jun 15, 2024

    @Fidget-Spinner
    Fidget-Spinner
    on Jun 15, 2024
    Member

    I don't see any crashes anymore related to this test after I submitted the fix. So closing this as fixed.

  4. Fidget-Spinner
    closed this as completedon Jun 15, 2024
  5. colesbury
    reopened this on Jul 1, 2024

  6. colesbury commented on Jul 1, 2024

    @colesbury
    colesbury
    on Jul 1, 2024
    ContributorAuthor

    Buildbot failure reported by @encukou: https://buildbot.python.org/all/#/builders/1226/builds/2150/steps/5/logs/stdio

  7. colesbury
    added
    3.14bugs and security fixes
    on Jul 1, 2024
  8. kumaraditya303
    marked test_free_threading.test_monitoring.SetProfileMultiThreaded.test_instrumentation crashes intermittently #128806 as a duplicate of this issue on Jul 7, 2025

  9. encukou commented on Jul 29, 2025

    @encukou
    encukou
    on Jul 29, 2025
    Member

    Another one here: https://buildbot.python.org/all/#/builders/1610/builds/1822/steps/6/logs/stdio

  10. encukou
    removed
    3.13only security fixes
    3.14bugs and security fixes
    on Jul 29, 2025

  11. encukou commented on Sep 10, 2025

    @encukou
    encukou
    on Sep 10, 2025
    Member

    Another one here: https://buildbot.python.org/all/#/builders/1610/builds/2047/steps/6/logs/stdio

  12. encukou commented on Oct 15, 2025

    @encukou
    encukou
    on Oct 15, 2025
    Member

    Another one: https://buildbot.python.org/#/builders/1610/builds/2240/steps/6/logs/stdio

  13. kumaraditya303
    closed this as a duplicateof test_free_threading.test_monitoring flaky (occasional reference leak) #136692 on Oct 22, 2025

  14. colesbury commented on Nov 22, 2025

    @colesbury
    colesbury
    on Nov 22, 2025
    ContributorAuthor

    This is a different issue from #136692

  15. colesbury
    reopened this on Nov 22, 2025
  16. colesbury
    added 4 commits that reference this issue on Nov 22, 2025

    pythongh-120158: Fix monitoring state when setting events too frequently

    afcc34b

    pythongh-120158: Fix monitoring state when setting events too frequently

    cbdda9f

    pythongh-120158: Fix monitoring state when setting events too frequently

    9a7360f

    gh-120158: Fix inconsistent monitoring state when setting events too …

    e457d60
  17. miss-islington
    added a commit that references this issue on Nov 23, 2025

    pythongh-120158: Fix inconsistent monitoring state when setting event…

    5141a01
  18. colesbury
    added 3 commits that reference this issue on Nov 23, 2025

    [3.13] pythongh-120158: Fix inconsistent monitoring state when settin…

    ac870c9

    [3.13] gh-120158: Fix inconsistent monitoring state when setting even…

    dbb539e

    [3.14] gh-120158: Fix inconsistent monitoring state when setting even…

    1a798d3
  19. colesbury
    closed this as completedon Nov 23, 2025
  20. StanFromIreland
    added a commit that references this issue on Dec 6, 2025

    pythongh-120158: Fix inconsistent monitoring state when setting event…

    4546239
  21. ashm-dev
    added a commit that references this issue on Dec 8, 2025

    pythongh-120158: Fix inconsistent monitoring state when setting event…

    2987e47
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment

Metadata

Metadata

Assignees

No one assigned

    Labels

    testsTests in the Lib/test dirtopic-free-threadingtype-crashA hard crash of the interpreter, possibly with a core dump

    Projects

    No projects

      Milestone

      No milestone

      Relationships

      None yet

      Development

      No branches or pull requests

      Issue actions