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test_concurrent_futures: reap_children() reaped child process 26487 on AMD64 RHEL8 Refleaks 3.x #82629

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@vstinner
BPO 38448
Nosy @vstinner
Superseder
  • bpo-38546: test_concurrent_futures: reap_children() warnings on RHEL7 and RHEL8 buildbots
  • 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 2019-10-24.09:18:56.393>
    created_at = <Date 2019-10-11.13:08:53.733>
    labels = ['tests', '3.9']
    title = 'test_concurrent_futures: reap_children() reaped child process 26487 on AMD64 RHEL8 Refleaks 3.x'
    updated_at = <Date 2019-10-24.09:18:56.385>
    user = 'https://github.com/vstinner'

    bugs.python.org fields:

    activity = <Date 2019-10-24.09:18:56.385>
    actor = 'vstinner'
    assignee = 'none'
    closed = True
    closed_date = <Date 2019-10-24.09:18:56.393>
    closer = 'vstinner'
    components = ['Tests']
    creation = <Date 2019-10-11.13:08:53.733>
    creator = 'vstinner'
    dependencies = []
    files = []
    hgrepos = []
    issue_num = 38448
    keywords = []
    message_count = 2.0
    messages = ['354448', '355311']
    nosy_count = 1.0
    nosy_names = ['vstinner']
    pr_nums = []
    priority = 'normal'
    resolution = 'duplicate'
    stage = 'resolved'
    status = 'closed'
    superseder = '38546'
    type = None
    url = 'https://bugs.python.org/issue38448'
    versions = ['Python 3.9']

    Activity

    1. vstinner commented on Oct 11, 2019

      @vstinner
      MemberAuthor

      AMD64 RHEL8 Refleaks 3.x:
      https://buildbot.python.org/all/#/builders/272/builds/23

      0:27:13 load avg: 4.88 [416/419/1] test_concurrent_futures failed (env changed) (17 min 11 sec) -- running: test_capi (7 min 28 sec), test_gdb (8 min 49 sec), test_asyncio (23 min 23 sec)
      beginning 6 repetitions
      123456
      .Warning -- reap_children() reaped child process 26487
      .....
      Warning -- multiprocessing.process._dangling was modified by test_concurrent_futures
      Before: set()
      After: {<weakref at 0x7fdc08f44e30; to 'SpawnProcess' at 0x7fdc0a467c30>}

    2. vstinner commented on Oct 24, 2019

      @vstinner
      MemberAuthor

      I close this issue as a duplicate of bpo-38546.

    3. transferred this issue fromon Apr 10, 2022
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      3.9 (EOL)end of lifetestsTests in the Lib/test dir

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