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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"`test_embed.InitConfigTests.test_initconfig_api` fails when cpython is built with `--enable-experimental-jit=interpreter`","articleBody":"# Bug report\n\n### Bug description:\n\nThe `test_embed.InitConfigTests.test_initconfig_api` is failing on main when cpython is built with `--enable-experimental-jit=interpreter` at commit `0e8665554b2`. \n\nTo reproduce, build cpython with:\n\n```\n\u003e ./configure --enable-experimental-jit=interpreter --with-pydebug \u0026\u0026 make -j\n```\n\nthen run\n\n```\n\u003e ./python -m test test_embed --match test_initconfig_api\n\n== CPython 3.14.0a1+ (bisect/bad:2d37c719ed7, Oct 31 2024, 11:39:42) [GCC 11.5.0 20240719 (Red Hat 11.5.0-2)]\n== Linux-5.19.0-0_fbk21_hardened_12633_g4db063a1bcb5-x86_64-with-glibc2.34 little-endian\n== Python build: debug JIT-interpreter\n== cwd: /data/users/mpage/cpython/build/test_python_worker_1315808æ\n== CPU count: 56\n== encodings: locale=UTF-8 FS=utf-8\n== resources: all test resources are disabled, use -u option to unskip tests\n\nUsing random seed: 2318555454\n0:00:00 load avg: 1.23 Run 1 test sequentially in a single process\n0:00:00 load avg: 1.23 [1/1] test_embed\ntest_initconfig_api (test.test_embed.InitConfigTests.test_initconfig_api)\nconfigure_locale ... FAIL\n\n======================================================================\nFAIL: test_initconfig_api (test.test_embed.InitConfigTests.test_initconfig_api)\nconfigure_locale\n----------------------------------------------------------------------\nTraceback (most recent call last):\n  File \"/data/users/mpage/cpython/Lib/test/test_embed.py\", line 1783, in test_initconfig_api\n    self.check_all_configs(\"test_initconfig_api\", config, preconfig,\n    ~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n                           api=API_ISOLATED)\n                           ^^^^^^^^^^^^^^^^^\n  File \"/data/users/mpage/cpython/Lib/test/test_embed.py\", line 928, in check_all_configs\n    self.assertEqual(err.rstrip(), stderr)\n    ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^\nAssertionError: '\u003csys\u003e:0: RuntimeWarning: JIT deactivated as perf profiling support is active' != ''\n- \u003csys\u003e:0: RuntimeWarning: JIT deactivated as perf profiling support is active\n\n\n----------------------------------------------------------------------\nRan 1 test in 0.112s\n\nFAILED (failures=1)\ntest test_embed failed\ntest_embed failed (1 failure)\n\n== Tests result: FAILURE ==\n\n1 test failed:\n    test_embed\n\nTotal duration: 182 ms\nTotal tests: run=1 (filtered) failures=1\nTotal test files: run=1/1 (filtered) failed=1\nResult: FAILURE\n\u003e\n```\n\nThe failure bisects to https://github.com/python/cpython/pull/124856. cc @pablogsal \n\n\n### CPython versions tested on:\n\nCPython main branch\n\n### Operating systems tested on:\n\nLinux\n\n\u003c!-- gh-linked-prs --\u003e\n### Linked PRs\n* gh-126302\n\u003c!-- /gh-linked-prs --\u003e\n","author":{"url":"https://github.com/mpage","@type":"Person","name":"mpage"},"datePublished":"2024-10-31T18:57:25.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":1},"url":"https://github.com/126255/cpython/issues/126255"}