[issue33078] Queue with maxsize can lead to deadlocks

Ned Deily added the comment: (Fot the record, PR 6181 was the 3.7 backport of PR 6180.) -- ___ Python tracker ___

[issue33078] Queue with maxsize can lead to deadlocks

Antoine Pitrou added the comment: Good, I think we can close again now! -- resolution: -> fixed stage: patch review -> resolved status: open -> closed ___ Python tracker

[issue33078] Queue with maxsize can lead to deadlocks

Ned Deily added the comment: PR 6180 appears to have fixed the 3.x failures, thanks! -- ___ Python tracker ___

[issue33078] Queue with maxsize can lead to deadlocks

Change by Thomas Moreau : -- pull_requests: +5929 stage: needs patch -> patch review ___ Python tracker ___

[issue33078] Queue with maxsize can lead to deadlocks

Ned Deily added the comment: Buildbots are failing on macOS: http://buildbot.python.org/all/#/builders/14/builds/804/steps/4/logs/stdio http://buildbot.python.org/all/#/builders/93/builds/459/steps/4/logs/stdio -- nosy: +ned.deily resolution: fixed -> stage: resolved

[issue33078] Queue with maxsize can lead to deadlocks

Antoine Pitrou added the comment: New changeset bb5b5291971c104ea773db1a30e46d410b6b3e1e by Antoine Pitrou (Miss Islington (bot)) in branch '3.7': bpo-33078 - Fix queue size on pickling error (GH-6119) (GH-6178)

[issue33078] Queue with maxsize can lead to deadlocks

Change by Antoine Pitrou : -- resolution: -> fixed stage: patch review -> resolved status: open -> closed ___ Python tracker ___

[issue33078] Queue with maxsize can lead to deadlocks

Change by Antoine Pitrou : -- versions: -Python 2.7, Python 3.5, Python 3.6 ___ Python tracker ___

[issue33078] Queue with maxsize can lead to deadlocks

Antoine Pitrou added the comment: New changeset e2f33add635df4fde81be9960bab367e010c19bf by Antoine Pitrou (Thomas Moreau) in branch 'master': bpo-33078 - Fix queue size on pickling error (GH-6119)

[issue33078] Queue with maxsize can lead to deadlocks

Change by miss-islington : -- pull_requests: +5928 ___ Python tracker ___

[issue33078] Queue with maxsize can lead to deadlocks

Change by Thomas Moreau : -- keywords: +patch pull_requests: +5883 stage: -> patch review ___ Python tracker ___

[issue33078] Queue with maxsize can lead to deadlocks

New submission from Thomas Moreau : The fix for the Queue._feeder does not properly handle the size of the Queue. This can lead to a situation where the Queue is considered as Full when it is empty. Here is a reproducing script: ``` import multiprocessing as mp