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[3.14] gh-157301: Fix asyncio event loop hanging on a failed eager task start - #157844

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kumaraditya303 merged 1 commit into
python:3.14from
deadlovelll:backport-5b34363-3.14
Nov 2, 2026
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[3.14] gh-157301: Fix asyncio event loop hanging on a failed eager task start#157844
kumaraditya303 merged 1 commit into
python:3.14from
deadlovelll:backport-5b34363-3.14

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@deadlovelll deadlovelll commented Sep 20, 2026 •
edited by bedevere-app Bot
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@bedevere-app bedevere-app Bot mentioned this pull request Sep 20, 2026
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kumaraditya303 merged commit ff90ee1 into python:3.14 Nov 2, 2026
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bedevere-bot commented Nov 2, 2026

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⚠️⚠️⚠️ Buildbot failure ⚠️⚠️⚠️

Hi! The buildbot x86 Debian Installed with X 3.14 (tierless) has failed when building commit ff90ee1.

What do you need to do:

  1. Don't panic.
  2. Check the buildbot page in the devguide if you don't know what the buildbots are or how they work.
  3. Go to the page of the buildbot that failed (https://buildbot.python.org/#/builders/1793/builds/2074) and take a look at the build logs.
  4. Check if the failure is related to this commit (ff90ee1) or if it is a false positive.
  5. If the failure is related to this commit, please, reflect that on the issue and make a new Pull Request with a fix.

You can take a look at the buildbot page here:

https://buildbot.python.org/#/builders/1793/builds/2074

Summary of the results of the build (if available):

==

Click to see traceback logs 
Traceback (most recent call last):
  File �[35m"/buildbot/buildarea/3.14.ware-debian-x86.installed/build/target/lib/python3.14/test/test_urllib2net.py"�[0m, line �[35m402�[0m, in �[35mtest_ftp_no_timeout�[0m
    u = _urlopen_with_retry(self.FTP_HOST, timeout=None)
  File �[35m"/buildbot/buildarea/3.14.ware-debian-x86.installed/build/target/lib/python3.14/test/test_urllib2net.py"�[0m, line �[35m32�[0m, in �[35mwrapped�[0m
    return _retry_thrice(func, exc, *args, **kwargs)
  File �[35m"/buildbot/buildarea/3.14.ware-debian-x86.installed/build/target/lib/python3.14/test/test_urllib2net.py"�[0m, line �[35m28�[0m, in �[35m_retry_thrice�[0m
    raise last_exc
  File �[35m"/buildbot/buildarea/3.14.ware-debian-x86.installed/build/target/lib/python3.14/test/test_urllib2net.py"�[0m, line �[35m24�[0m, in �[35m_retry_thrice�[0m
    return func(*args, **kwargs)
  File �[35m"/buildbot/buildarea/3.14.ware-debian-x86.installed/build/target/lib/python3.14/urllib/request.py"�[0m, line �[35m187�[0m, in �[35murlopen�[0m
    return �[31mopener.open�[0m�[1;31m(url, data, timeout)�[0m
           �[31m~~~~~~~~~~~�[0m�[1;31m^^^^^^^^^^^^^^^^^^^^�[0m
  File �[35m"/buildbot/buildarea/3.14.ware-debian-x86.installed/build/target/lib/python3.14/urllib/request.py"�[0m, line �[35m487�[0m, in �[35mopen�[0m
    response = self._open(req, data)
  File �[35m"/buildbot/buildarea/3.14.ware-debian-x86.installed/build/target/lib/python3.14/urllib/request.py"�[0m, line �[35m504�[0m, in �[35m_open�[0m
    result = self._call_chain(self.handle_open, protocol, protocol +
                              '_open', req)
  File �[35m"/buildbot/buildarea/3.14.ware-debian-x86.installed/build/target/lib/python3.14/urllib/request.py"�[0m, line �[35m464�[0m, in �[35m_call_chain�[0m
    result = func(*args)
  File �[35m"/buildbot/buildarea/3.14.ware-debian-x86.installed/build/target/lib/python3.14/urllib/request.py"�[0m, line �[35m1644�[0m, in �[35mftp_open�[0m
    raise URLError(f"ftp error: {exp}") from exp
�[1;35murllib.error.URLError�[0m: �[35m<urlopen error ftp error: 425 Security: Bad IP connecting.>�[0m


Traceback (most recent call last):
  File �[35m"/buildbot/buildarea/3.14.ware-debian-x86.installed/build/target/lib/python3.14/test/test_urllib2net.py"�[0m, line �[35m307�[0m, in �[35m_test_urls�[0m
    f = urlopen(url, req, support.INTERNET_TIMEOUT)
  File �[35m"/buildbot/buildarea/3.14.ware-debian-x86.installed/build/target/lib/python3.14/test/test_urllib2net.py"�[0m, line �[35m32�[0m, in �[35mwrapped�[0m
    return _retry_thrice(func, exc, *args, **kwargs)
  File �[35m"/buildbot/buildarea/3.14.ware-debian-x86.installed/build/target/lib/python3.14/test/test_urllib2net.py"�[0m, line �[35m28�[0m, in �[35m_retry_thrice�[0m
    raise last_exc
  File �[35m"/buildbot/buildarea/3.14.ware-debian-x86.installed/build/target/lib/python3.14/test/test_urllib2net.py"�[0m, line �[35m24�[0m, in �[35m_retry_thrice�[0m
    return func(*args, **kwargs)
  File �[35m"/buildbot/buildarea/3.14.ware-debian-x86.installed/build/target/lib/python3.14/urllib/request.py"�[0m, line �[35m487�[0m, in �[35mopen�[0m
    response = self._open(req, data)
  File �[35m"/buildbot/buildarea/3.14.ware-debian-x86.installed/build/target/lib/python3.14/urllib/request.py"�[0m, line �[35m504�[0m, in �[35m_open�[0m
    result = self._call_chain(self.handle_open, protocol, protocol +
                              '_open', req)
  File �[35m"/buildbot/buildarea/3.14.ware-debian-x86.installed/build/target/lib/python3.14/urllib/request.py"�[0m, line �[35m464�[0m, in �[35m_call_chain�[0m
    result = func(*args)
  File �[35m"/buildbot/buildarea/3.14.ware-debian-x86.installed/build/target/lib/python3.14/urllib/request.py"�[0m, line �[35m1644�[0m, in �[35mftp_open�[0m
    raise URLError(f"ftp error: {exp}") from exp
�[1;35murllib.error.URLError�[0m: �[35m<urlopen error ftp error: 425 Security: Bad IP connecting.>�[0m


Traceback (most recent call last):
  File �[35m"/buildbot/buildarea/3.14.ware-debian-x86.installed/build/target/lib/python3.14/urllib/request.py"�[0m, line �[35m1631�[0m, in �[35mftp_open�[0m
    fp, retrlen = �[31mfw.retrfile�[0m�[1;31m(file, type)�[0m
                  �[31m~~~~~~~~~~~�[0m�[1;31m^^^^^^^^^^^^�[0m
  File �[35m"/buildbot/buildarea/3.14.ware-debian-x86.installed/build/target/lib/python3.14/urllib/request.py"�[0m, line �[35m1901�[0m, in �[35mretrfile�[0m
    conn, retrlen = �[31mself.ftp.ntransfercmd�[0m�[1;31m(cmd)�[0m
                    �[31m~~~~~~~~~~~~~~~~~~~~~�[0m�[1;31m^^^^^�[0m
  File �[35m"/buildbot/buildarea/3.14.ware-debian-x86.installed/build/target/lib/python3.14/ftplib.py"�[0m, line �[35m359�[0m, in �[35mntransfercmd�[0m
    resp = self.sendcmd(cmd)
  File �[35m"/buildbot/buildarea/3.14.ware-debian-x86.installed/build/target/lib/python3.14/ftplib.py"�[0m, line �[35m281�[0m, in �[35msendcmd�[0m
    return �[31mself.getresp�[0m�[1;31m()�[0m
           �[31m~~~~~~~~~~~~�[0m�[1;31m^^�[0m
  File �[35m"/buildbot/buildarea/3.14.ware-debian-x86.installed/build/target/lib/python3.14/ftplib.py"�[0m, line �[35m252�[0m, in �[35mgetresp�[0m
    raise error_temp(resp)
�[1;35mftplib.error_temp�[0m: �[35m425 Security: Bad IP connecting.�[0m


Traceback (most recent call last):
  File �[35m"/buildbot/buildarea/3.14.ware-debian-x86.installed/build/target/lib/python3.14/test/test_urllib2net.py"�[0m, line �[35m307�[0m, in �[35m_test_urls�[0m
    f = urlopen(url, req, support.INTERNET_TIMEOUT)
  File �[35m"/buildbot/buildarea/3.14.ware-debian-x86.installed/build/target/lib/python3.14/urllib/request.py"�[0m, line �[35m487�[0m, in �[35mopen�[0m
    response = self._open(req, data)
  File �[35m"/buildbot/buildarea/3.14.ware-debian-x86.installed/build/target/lib/python3.14/urllib/request.py"�[0m, line �[35m504�[0m, in �[35m_open�[0m
    result = self._call_chain(self.handle_open, protocol, protocol +
                              '_open', req)
  File �[35m"/buildbot/buildarea/3.14.ware-debian-x86.installed/build/target/lib/python3.14/urllib/request.py"�[0m, line �[35m464�[0m, in �[35m_call_chain�[0m
    result = func(*args)
  File �[35m"/buildbot/buildarea/3.14.ware-debian-x86.installed/build/target/lib/python3.14/urllib/request.py"�[0m, line �[35m1644�[0m, in �[35mftp_open�[0m
    raise URLError(f"ftp error: {exp}") from exp
�[1;35murllib.error.URLError�[0m: �[35m<urlopen error ftp error: 425 Security: Bad IP connecting.>�[0m


Traceback (most recent call last):
  File �[35m"/buildbot/buildarea/3.14.ware-debian-x86.installed/build/target/lib/python3.14/urllib/request.py"�[0m, line �[35m1631�[0m, in �[35mftp_open�[0m
    fp, retrlen = �[31mfw.retrfile�[0m�[1;31m(file, type)�[0m
                  �[31m~~~~~~~~~~~�[0m�[1;31m^^^^^^^^^^^^�[0m
  File �[35m"/buildbot/buildarea/3.14.ware-debian-x86.installed/build/target/lib/python3.14/urllib/request.py"�[0m, line �[35m1921�[0m, in �[35mretrfile�[0m
    conn, retrlen = �[31mself.ftp.ntransfercmd�[0m�[1;31m(cmd)�[0m
                    �[31m~~~~~~~~~~~~~~~~~~~~~�[0m�[1;31m^^^^^�[0m
  File �[35m"/buildbot/buildarea/3.14.ware-debian-x86.installed/build/target/lib/python3.14/ftplib.py"�[0m, line �[35m359�[0m, in �[35mntransfercmd�[0m
    resp = self.sendcmd(cmd)
  File �[35m"/buildbot/buildarea/3.14.ware-debian-x86.installed/build/target/lib/python3.14/ftplib.py"�[0m, line �[35m281�[0m, in �[35msendcmd�[0m
    return �[31mself.getresp�[0m�[1;31m()�[0m
           �[31m~~~~~~~~~~~~�[0m�[1;31m^^�[0m
  File �[35m"/buildbot/buildarea/3.14.ware-debian-x86.installed/build/target/lib/python3.14/ftplib.py"�[0m, line �[35m252�[0m, in �[35mgetresp�[0m
    raise error_temp(resp)
�[1;35mftplib.error_temp�[0m: �[35m425 Security: Bad IP connecting.�[0m

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@1st1 1st1 Awaiting requested review from 1st1 1st1 is a code owner
@asvetlov asvetlov Awaiting requested review from asvetlov asvetlov is a code owner
@kumaraditya303 kumaraditya303 Awaiting requested review from kumaraditya303 kumaraditya303 is a code owner
@willingc willingc Awaiting requested review from willingc willingc is a code owner

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