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test_asyncio hangs on an IPv6-only host #82078

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test_asyncio hangs on an IPv6-only host#82078
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3.7 (EOL)end of life3.8 (EOL)end of life3.9 (EOL)end of lifetestsTests in the Lib/test dir

Description

@gpshead
gpshead
opened on Aug 20, 2019
BPO 37897
Nosy @gpshead, @vstinner

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 = 'https://github.com/gpshead'
closed_at = None
created_at = <Date 2019-08-20.18:32:15.180>
labels = ['3.8', '3.7', 'tests', '3.9']
title = 'test_asyncio hangs on an IPv6-only host'
updated_at = <Date 2019-10-21.10:45:08.784>
user = 'https://github.com/gpshead'

bugs.python.org fields:

activity = <Date 2019-10-21.10:45:08.784>
actor = 'vstinner'
assignee = 'gregory.p.smith'
closed = False
closed_date = None
closer = None
components = ['Tests']
creation = <Date 2019-08-20.18:32:15.180>
creator = 'gregory.p.smith'
dependencies = []
files = []
hgrepos = []
issue_num = 37897
keywords = []
message_count = 2.0
messages = ['350033', '355049']
nosy_count = 2.0
nosy_names = ['gregory.p.smith', 'vstinner']
pr_nums = []
priority = 'normal'
resolution = None
stage = 'needs patch'
status = 'open'
superseder = None
type = None
url = 'https://bugs.python.org/issue37897'
versions = ['Python 3.7', 'Python 3.8', 'Python 3.9']

Activity

  1. gpshead commented on Aug 20, 2019

    @gpshead
    gpshead
    on Aug 20, 2019
    MemberAuthor
    test_drain_raises (test.test_asyncio.test_streams.StreamTests) ... Exception in thread Thread-20:
Traceback (most recent call last):
  File "/home/greg/oss/cpython/Lib/threading.py", line 938, in _bootstrap_inner
    self.run()
  File "/home/greg/oss/cpython/Lib/threading.py", line 876, in run
    self._target(*self._args, **self._kwargs)
  File "/home/greg/oss/cpython/Lib/test/test_asyncio/test_streams.py", line 951, in server
    with socket.create_server(('localhost', 0)) as sock:
  File "/home/greg/oss/cpython/Lib/socket.py", line 804, in create_server
    raise error(err.errno, msg) from None
OSError: [Errno 99] Cannot assign requested address (while attempting to bind on address ('localhost', 0))

    I'm preparing an IPv6-only buildbot. (there is no IPv4 localhost)

  2. gpshead
    added
    3.7 (EOL)end of life
    3.8 (EOL)end of life
    3.9 (EOL)end of life
    on Aug 20, 2019
  3. gpshead
    self-assigned this
    on Aug 20, 2019
  4. gpshead
    added
    testsTests in the Lib/test dir
    on Aug 20, 2019

  5. vstinner commented on Oct 21, 2019

    @vstinner
    vstinner
    on Oct 21, 2019
    Member

    I guess that either test_drain_raises should be skipped or modified to listen to ::1 (IPv6 loopback).

  6. ezio-melotti
    transferred this issue fromon Apr 10, 2022
  7. ezio-melotti
    added this to asyncioon Jun 20, 2022
  8. ezio-melotti
    moved this to Todo in asyncioon Jul 17, 2022
  9. gpshead
    removed their assignment
    on Jul 2, 2026
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