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GeezerVison is showing github.com — test_sendfile_close_peer_in_the_middle_of_receiving fails with Linux 6.10 release candidates and non-4KiB page size · Issue #120226 · python/cpython Closed Labels type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error DescriptionBug reportBug description:With Linux-6.10-rc2 configured to use 16KiB page: $ python3 -m test test.test_asyncio.test_sendfile -m test_sendfile_close_peer_in_the_middle_of_receiving -v == CPython 3.12.4 (main, Jun 7 2024, 14:39:05) [GCC 14.1.0] == Linux-6.10.0-rc2+-loongarch64-with-glibc2.39 little-endian == Python build: release shared LTO+PGO == cwd: /tmp/test_python_worker_1673æ == CPU count: 8 == encodings: locale=UTF-8 FS=utf-8 == resources: all test resources are disabled, use -u option to unskip tests Using random seed: 3315485672 0:00:00 load avg: 0.03 Run 1 test sequentially 0:00:00 load avg: 0.03 [1/1] test.test_asyncio.test_sendfile test_sendfile_close_peer_in_the_middle_of_receiving (test.test_asyncio.test_sendfile.EPollEventLoopTests.test_sendfile_close_peer_in_the_middle_of_receiving) ... FAIL test_sendfile_close_peer_in_the_middle_of_receiving (test.test_asyncio.test_sendfile.PollEventLoopTests.test_sendfile_close_peer_in_the_middle_of_receiving) ... FAIL test_sendfile_close_peer_in_the_middle_of_receiving (test.test_asyncio.test_sendfile.SelectEventLoopTests.test_sendfile_close_peer_in_the_middle_of_receiving) ... FAIL ====================================================================== FAIL: test_sendfile_close_peer_in_the_middle_of_receiving (test.test_asyncio.test_sendfile.EPollEventLoopTests.test_sendfile_close_peer_in_the_middle_of_receiving) ---------------------------------------------------------------------- Traceback (most recent call last): File "/usr/lib/python3.12/test/test_asyncio/test_sendfile.py", line 466, in test_sendfile_close_peer_in_the_middle_of_receiving with self.assertRaises(ConnectionError): AssertionError: ConnectionError not raised ====================================================================== FAIL: test_sendfile_close_peer_in_the_middle_of_receiving (test.test_asyncio.test_sendfile.PollEventLoopTests.test_sendfile_close_peer_in_the_middle_of_receiving) ---------------------------------------------------------------------- Traceback (most recent call last): File "/usr/lib/python3.12/test/test_asyncio/test_sendfile.py", line 466, in test_sendfile_close_peer_in_the_middle_of_receiving with self.assertRaises(ConnectionError): AssertionError: ConnectionError not raised ====================================================================== FAIL: test_sendfile_close_peer_in_the_middle_of_receiving (test.test_asyncio.test_sendfile.SelectEventLoopTests.test_sendfile_close_peer_in_the_middle_of_receiving) ---------------------------------------------------------------------- Traceback (most recent call last): File "/usr/lib/python3.12/test/test_asyncio/test_sendfile.py", line 466, in test_sendfile_close_peer_in_the_middle_of_receiving with self.assertRaises(ConnectionError): AssertionError: ConnectionError not raised ---------------------------------------------------------------------- Ran 3 tests in 0.028s FAILED (failures=3) test test.test_asyncio.test_sendfile failed test.test_asyncio.test_sendfile failed (3 failures) == Tests result: FAILURE == 1 test failed: test.test_asyncio.test_sendfile Total duration: 88 ms Total tests: run=3 (filtered) failures=3 Total test files: run=1/1 (filtered) failed=1 Result: FAILURE I have to raise DATA to 272KiB to make the test pass. On an AArch64 system I configured the kernel to use 64KiB page I have to raise it to 1088KiB. Bisection shows torvalds/linux@8ee602c is the first commit triggering the issue but frankly I've no idea why. CPython versions tested on:3.12, CPython main branch Operating systems tested on:Linux Linked PRs
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