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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"test_capi.test_basic_loop(): _PyInstruction_GetLength() assertion error on s390x Fedora Clang 3.x buildbot","articleBody":"s390x Fedora Clang 3.x: https://buildbot.python.org/all/#/builders/3/builds/4312\r\n\r\n* Last successful build, build 4216 (July 7): https://buildbot.python.org/all/#/builders/3/builds/4216 -- commit 67a798888dcde13bbb1e17cfcc3c742c94e67a07\r\n* First failed build, build 4217 (July 7): https://buildbot.python.org/all/#/builders/3/builds/4217 -- commit e1d45b8ed43e1590862319fec33539f8adbc0849\r\n\r\nDifferences between the two builds:\r\n\r\n```\r\ncommit e1d45b8ed43e1590862319fec33539f8adbc0849\r\nAuthor: Guido van Rossum \u003cguido@python.org\u003e\r\nDate:   Thu Jul 6 16:46:06 2023 -0700\r\n\r\n     gh-104584: Handle EXTENDED_ARG in superblock creation (#106489)\r\n    \r\n    With test.\r\n\r\ncommit c60df361ce2d734148d503f4a711e67c110fe223\r\nAuthor: Gregory P. Smith \u003cgreg@krypto.org\u003e\r\nDate:   Thu Jul 6 15:46:50 2023 -0700\r\n\r\n    gh-90876: Restore the ability to import multiprocessing when `sys.executable` is `None` (#106464)\r\n    \r\n    Prevent `multiprocessing.spawn` from failing to *import* in environments\r\n    where `sys.executable` is `None`.  This regressed in 3.11 with the addition\r\n    of support for path-like objects in multiprocessing.\r\n    \r\n    Adds a test decorator to have tests only run when part of test_multiprocessing_spawn to `_test_multiprocessing.py` so we can start to avoid re-running the same not-global-state specific test in all 3 modes when there is no need.\r\n\r\ncommit 76fac7bce55302a8e9a524d72f5384fd89e6dfde\r\nAuthor: Guido van Rossum \u003cguido@python.org\u003e\r\nDate:   Thu Jul 6 15:45:56 2023 -0700\r\n\r\n    gh-104584: Clean up and fix uops tests and fix crash (#106492)\r\n    \r\n    The uops test wasn't testing anything by default,\r\n    and was failing when run with -Xuops.\r\n    \r\n    Made the two executor-related context managers global,\r\n    so TestUops can use them (notably `with temporary_optimizer(opt)`).\r\n    \r\n    Made clear_executor() a little more thorough.\r\n    \r\n    Fixed a crash upon finalizing a uop optimizer,\r\n    by adding a `tp_dealloc` handler.\r\n```\r\n\r\nError:\r\n\r\n```\r\n0:05:26 load avg: 7.08 [435/447/1] test_capi crashed (Exit code -6) -- running: (...)\r\npython: Python/instrumentation.c:262: int _PyInstruction_GetLength(PyCodeObject *, int): Assertion `opcode != 0' failed.\r\nFatal Python error: Aborted\r\n\r\nCurrent thread 0x000003ff990770a0 (most recent call first):\r\n  File \"/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/test/test_capi/test_misc.py\", line 2441 in get_first_executor\r\n  File \"/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/test/test_capi/test_misc.py\", line 2459 in test_basic_loop\r\n(...)\r\n\r\n0:07:22 load avg: 3.60 Re-running test_capi in verbose mode\r\n(...)\r\ntest_gilstate_ensure_no_deadlock (test.test_capi.test_misc.TestThreadState.test_gilstate_ensure_no_deadlock) ... ok\r\ntest_gilstate_matches_current (test.test_capi.test_misc.TestThreadState.test_gilstate_matches_current) ... ok\r\ntest_thread_state (test.test_capi.test_misc.TestThreadState.test_thread_state) ... ok\r\npython: Python/instrumentation.c:262: int _PyInstruction_GetLength(PyCodeObject *, int): Assertion `opcode != 0' failed.\r\nFatal Python error: Aborted\r\n\r\nCurrent thread 0x000003ff854770a0 (most recent call first):\r\n  File \"/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/test/test_capi/test_misc.py\", line 2441 in get_first_executor\r\n  File \"/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/test/test_capi/test_misc.py\", line 2459 in test_basic_loop\r\n  File \"/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/unittest/case.py\", line 589 in _callTestMethod\r\n  File \"/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/unittest/case.py\", line 634 in run\r\n  File \"/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/unittest/case.py\", line 690 in __call__\r\n  File \"/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/unittest/suite.py\", line 122 in run\r\n(...)\r\n```\r\n\r\ncc @gvanrossum \n\n\u003c!-- gh-linked-prs --\u003e\n### Linked PRs\n* gh-107085\n* gh-107216\n* gh-107256\n\u003c!-- /gh-linked-prs --\u003e\n","author":{"url":"https://github.com/vstinner","@type":"Person","name":"vstinner"},"datePublished":"2023-07-22T23:35:26.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":15},"url":"https://github.com/107082/cpython/issues/107082"}