[issue38091] Import deadlock detection causes deadlock

Victor Zhestkov added the comment: I ported the fix from https://github.com/python/cpython/commit/6daa37fd42c5d5300172728e8b4de74fe0b319fc for 3.6 and 3.8 shipped with SLE 15SP2 and openSUSE Tumbleweed, but it seems that this fix doesn't help. I have a deadlocks on running `salt-api` process

[issue38091] Import deadlock detection causes deadlock

miss-islington added the comment: New changeset 6daa37fd42c5d5300172728e8b4de74fe0b319fc by Armin Rigo in branch 'master': bpo-38091: Import deadlock detection causes deadlock (GH-17518) https://github.com/python/cpython/commit/6daa37fd42c5d5300172728e8b4de74fe0b319fc -- nosy: +miss

[issue38091] Import deadlock detection causes deadlock

Change by Armin Rigo : -- keywords: +patch pull_requests: +16996 stage: -> patch review pull_request: https://github.com/python/cpython/pull/17518 ___ Python tracker ___ _

[issue38091] Import deadlock detection causes deadlock

Change by Phil Connell : -- nosy: +pconnell ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.pyth

[issue38091] Import deadlock detection causes deadlock

Change by Eric Snow : -- nosy: +brett.cannon, eric.snow ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe: https

[issue38091] Import deadlock detection causes deadlock

Change by Eric Snow : -- nosy: +pitrou ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.or

[issue38091] Import deadlock detection causes deadlock

New submission from Ronan Lamy : There seems to be a race condition in importlib._bootstrap._ModuleLock that can cause a deadlock. The sequence of operations is as follows: * Thread 1 calls lock.acquire() * Thread 1 sets itself as lock.owner and begins importing the module * Thread 2 calls loc