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Exception handling with "await" can hang in Python3.9.0b1 #84873

@felixxm

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@felixxm
mannequin
BPO 40696
Nosy @asvetlov, @cjerdonek, @serhiy-storchaka, @1st1, @eamanu, @miss-islington, @isidentical, @sweeneyde, @aeros, @carltongibson, @felixxm, @iritkatriel
PRs
  • bpo-40696: Fix a hang that can arise after gen.throw() #20287
  • [3.9] bpo-40696: Fix a hang that can arise after gen.throw() (GH-20287) #20321
  • [3.9] bpo-40696: Fix a hang that can arise after gen.throw() (GH-20287) #20322
  • bpo-25782: Do not hang when exception contexts form a cycle. #20539
  • Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.

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    GitHub fields:

    assignee = None
    closed_at = <Date 2021-08-08.17:15:33.526>
    created_at = <Date 2020-05-20.08:08:03.800>
    labels = ['interpreter-core', 'type-bug', '3.8', '3.9', '3.10', '3.7']
    title = 'Exception handling with "await" can hang in Python3.9.0b1'
    updated_at = <Date 2021-08-08.17:15:33.525>
    user = 'https://github.com/felixxm'

    bugs.python.org fields:

    activity = <Date 2021-08-08.17:15:33.525>
    actor = 'chris.jerdonek'
    assignee = 'none'
    closed = True
    closed_date = <Date 2021-08-08.17:15:33.526>
    closer = 'chris.jerdonek'
    components = ['Interpreter Core']
    creation = <Date 2020-05-20.08:08:03.800>
    creator = 'felixxm'
    dependencies = []
    files = []
    hgrepos = []
    issue_num = 40696
    keywords = ['patch']
    message_count = 26.0
    messages = ['369429', '369441', '369449', '369450', '369451', '369461', '369482', '369483', '369484', '369485', '369486', '369510', '369514', '369557', '369642', '369651', '369654', '369655', '369662', '369947', '370383', '370385', '370398', '370399', '399082', '399221']
    nosy_count = 12.0
    nosy_names = ['asvetlov', 'chris.jerdonek', 'serhiy.storchaka', 'yselivanov', 'eamanu', 'miss-islington', 'BTaskaya', 'Dennis Sweeney', 'aeros', 'carltongibson', 'felixxm', 'iritkatriel']
    pr_nums = ['20287', '20321', '20322', '20539']
    priority = 'normal'
    resolution = 'fixed'
    stage = 'resolved'
    status = 'closed'
    superseder = None
    type = 'behavior'
    url = 'https://bugs.python.org/issue40696'
    versions = ['Python 3.7', 'Python 3.8', 'Python 3.9', 'Python 3.10']

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      3.10only security fixes3.7 (EOL)end of life3.8 (EOL)end of life3.9 (EOL)end of lifeinterpreter-core(Objects, Python, Grammar, and Parser dirs)type-bugAn unexpected behavior, bug, or error

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