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ডিসেম্বর 2025

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Stuck process after test failure - looks like test_profiling's code
by Chris Angelico 19 ডিসেম্বর, 2025

19 ডিসেম্বর, 2025

A couple of times now, I've seen my buildbot consuming a constant 100% CPU, despite not having an active build. It was a Python process running inline code, and the code itself looked like it came from Lib/test/test_profiling/test_sampling_profiler/test_integration.py (specifically, I think it's the test_script as used by test_subprocess, not the cli_test_script). A recent build seems to have had a failure in that test: https://buildbot.python.org/all/#/builders/345/builds/12988/steps/6/logs/wa… https://buildbot.python.org/all/#/builders/345/builds/12988/steps/6/logs/st… which ended with a segfault. Is this something that's likely to happen again in the future, and thus should I devise a script that will find and kill rogue processes? Or is this preventable within the test suite? ChrisA

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