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Possible deadlock at shutdown while recursively acquiring head lock · Issue #102126 · python/cpython · GitHub
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Possible deadlock at shutdown while recursively acquiring head lock #102126

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Possible deadlock at shutdown while recursively acquiring head lock#102126
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3.10only security fixes3.11only security fixes3.12only security fixes3.9 (EOL)end of lifeinterpreter-core(Objects, Python, Grammar, and Parser dirs)release-blockertype-bugAn unexpected behavior, bug, or error

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Zac-HD
opened on Feb 21, 2023

HypothesisWorks/hypothesis#3585 is reproducible on Python 3.10.10 but not 3.10.9, and so we suspect that #100922 may have introduced a (rare?) deadlock while fixing the data race in #100892.

The downstream bug report on Hypothesis includes a reliable (but not minimal reproducer) on OSX - though it's unclear whether this might be an artifact of different patch versions of CPython on the various machines which have checked so far.

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3.10only security fixes3.11only security fixes3.12only security fixes3.9 (EOL)end of lifeinterpreter-core(Objects, Python, Grammar, and Parser dirs)release-blockertype-bugAn unexpected behavior, bug, or error

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