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test_asyncio: SubprocessMultiLoopWatcherTests.test_stdin_stdout() failed on AMD64 FreeBSD 10-STABLE Non-Debug 3.x #82363

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test_asyncio: SubprocessMultiLoopWatcherTests.test_stdin_stdout() failed on AMD64 FreeBSD 10-STABLE Non-Debug 3.x#82363
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3.8 (EOL)end of life3.9 (EOL)end of lifetestsTests in the Lib/test dirtopic-asyncio

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@vstinner
vstinner
opened on Sep 16, 2019
BPO 38182
Nosy @vstinner, @asvetlov, @1st1
Superseder
  • bpo-38323: asyncio: MultiLoopWatcher has a race condition (test_asyncio: test_close_kill_running() hangs on AMD64 RHEL7 Refleaks 3.x)
    		•

    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 2020-02-07.10:53:52.645>
created_at = <Date 2019-09-16.07:28:52.215>
labels = ['3.8', 'tests', '3.9', 'expert-asyncio']
title = 'test_asyncio: SubprocessMultiLoopWatcherTests.test_stdin_stdout() failed on AMD64 FreeBSD 10-STABLE Non-Debug 3.x'
updated_at = <Date 2020-02-07.10:53:52.644>
user = 'https://github.com/vstinner'

    bugs.python.org fields:

    activity = <Date 2020-02-07.10:53:52.644>
actor = 'vstinner'
assignee = 'none'
closed = True
closed_date = <Date 2020-02-07.10:53:52.645>
closer = 'vstinner'
components = ['Tests', 'asyncio']
creation = <Date 2019-09-16.07:28:52.215>
creator = 'vstinner'
dependencies = []
files = []
hgrepos = []
issue_num = 38182
keywords = []
message_count = 3.0
messages = ['352521', '352522', '361575']
nosy_count = 3.0
nosy_names = ['vstinner', 'asvetlov', 'yselivanov']
pr_nums = []
priority = 'normal'
resolution = 'duplicate'
stage = 'resolved'
status = 'closed'
superseder = '38323'
type = None
url = 'https://bugs.python.org/issue38182'
versions = ['Python 3.8', 'Python 3.9']

    Activity

    1. vstinner commented on Sep 16, 2019

      @vstinner
      vstinner
      on Sep 16, 2019
      MemberAuthor

      AMD64 FreeBSD 10-STABLE Non-Debug 3.x:
      https://buildbot.python.org/all/#/builders/167/builds/1535

      ======================================================================
      ERROR: test_stdin_stdout (test.test_asyncio.test_subprocess.SubprocessMultiLoopWatcherTests)
      ----------------------------------------------------------------------

      Traceback (most recent call last):
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10.nondebug/build/Lib/test/test_asyncio/test_subprocess.py", line 129, in test_stdin_stdout
    exitcode, stdout = self.loop.run_until_complete(task)
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10.nondebug/build/Lib/asyncio/base_events.py", line 608, in run_until_complete
    return future.result()
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10.nondebug/build/Lib/asyncio/tasks.py", line 490, in wait_for
    raise exceptions.TimeoutError()
asyncio.exceptions.TimeoutError

      and then when asyncio is re-run in verbose mode:

      ERROR: test_stdin_stdout (test.test_asyncio.test_subprocess.SubprocessMultiLoopWatcherTests)
      ----------------------------------------------------------------------

      Traceback (most recent call last):
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10.nondebug/build/Lib/test/test_asyncio/test_subprocess.py", line 129, in test_stdin_stdout
    exitcode, stdout = self.loop.run_until_complete(task)
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10.nondebug/build/Lib/asyncio/base_events.py", line 608, in run_until_complete
    return future.result()
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10.nondebug/build/Lib/asyncio/tasks.py", line 490, in wait_for
    raise exceptions.TimeoutError()
asyncio.exceptions.TimeoutError
    2. vstinner
      added
      3.9 (EOL)end of life
      testsTests in the Lib/test dir
      topic-asyncio
      on Sep 16, 2019
    3. vstinner
      changed the title [-]test_asyncio.test_subprocess: test_stdin_stdout() failed on AMD64 FreeBSD 10-STABLE Non-Debug 3.x[/-] [+]test_asyncio: SubprocessMultiLoopWatcherTests.test_stdin_stdout() failed on AMD64 FreeBSD 10-STABLE Non-Debug 3.x[/+] on Sep 16, 2019

    4. vstinner commented on Sep 16, 2019

      @vstinner
      vstinner
      on Sep 16, 2019
      MemberAuthor

      Python 3.8 also has SubprocessMultiLoopWatcherTests so it's also likely affected.

      I ran this command for 1 minute on my Linux laptop, it didn't fail:

      # my laptop has 8 logical CPUs
      $ ./python -m test test_asyncio -m SubprocessMultiLoopWatcherTests -j20 -F -v

    5. vstinner
      added
      3.8 (EOL)end of life
      on Sep 16, 2019

    6. vstinner commented on Feb 7, 2020

      @vstinner
      vstinner
      on Feb 7, 2020
      MemberAuthor

      I mark this issue as a duplicate of bpo-38323.

    7. vstinner
      closed this as completedon Feb 7, 2020
    8. ezio-melotti
      transferred this issue fromon Apr 10, 2022
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