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test_socket: SendmsgSCTPStreamTest.testSendmsgTimeout() failed on Travis CI with: [Errno 12] Cannot allocate memory #78118

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test_socket: SendmsgSCTPStreamTest.testSendmsgTimeout() failed on Travis CI with: [Errno 12] Cannot allocate memory#78118
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testsTests in the Lib/test dir

Description

@vstinner
vstinner
opened on Jun 22, 2018
BPO 33937
Nosy @vstinner, @hugovk, @miss-islington
PRs
  • bpo-33937: Catch ENOMEM error in test_socket #9557
  • [3.7] bpo-33937: Catch ENOMEM error in test_socket (GH-9557) #9565
  • [3.6] bpo-33937: Catch ENOMEM error in test_socket (GH-9557) #9566
  • bpo-46178: Remove/rename redundant Travis CI code #30309
    		•

    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 2018-09-25.17:23:40.504>
created_at = <Date 2018-06-22.07:32:56.065>
labels = ['tests']
title = 'test_socket: SendmsgSCTPStreamTest.testSendmsgTimeout() failed on Travis CI with: [Errno 12] Cannot allocate memory'
updated_at = <Date 2021-12-30.22:31:06.533>
user = 'https://github.com/vstinner'

    bugs.python.org fields:

    activity = <Date 2021-12-30.22:31:06.533>
actor = 'hugovk'
assignee = 'none'
closed = True
closed_date = <Date 2018-09-25.17:23:40.504>
closer = 'vstinner'
components = ['Tests']
creation = <Date 2018-06-22.07:32:56.065>
creator = 'vstinner'
dependencies = []
files = []
hgrepos = []
issue_num = 33937
keywords = ['patch']
message_count = 9.0
messages = ['320217', '321511', '325759', '326328', '326362', '326366', '326367', '326377', '326378']
nosy_count = 3.0
nosy_names = ['vstinner', 'hugovk', 'miss-islington']
pr_nums = ['9557', '9565', '9566', '30309']
priority = 'normal'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = None
url = 'https://bugs.python.org/issue33937'
versions = ['Python 3.6']

    Activity

    1. vstinner commented on Jun 22, 2018

      @vstinner
      vstinner
      on Jun 22, 2018
      MemberAuthor

      https://travis-ci.org/python/cpython/jobs/395349473

      ======================================================================
      ERROR: testSendmsgTimeout (test.test_socket.SendmsgSCTPStreamTest)
      ----------------------------------------------------------------------

      Traceback (most recent call last):
  File "/home/travis/build/python/cpython/Lib/test/test_socket.py", line 281, in _tearDown
    raise exc
  File "/home/travis/build/python/cpython/Lib/test/test_socket.py", line 299, in clientRun
    test_func()
  File "/home/travis/build/python/cpython/Lib/test/test_socket.py", line 2319, in _testSendmsgTimeout
    self.sendmsgToServer([b"a"*512])
  File "/home/travis/build/python/cpython/Lib/test/test_socket.py", line 2008, in sendmsgToServer
    *(args + self.sendmsg_to_server_defaults[len(args):]))
OSError: [Errno 12] Cannot allocate memory

      ======================================================================
      FAIL: testSendmsgDontWait (test.test_socket.SendmsgSCTPStreamTest)
      ----------------------------------------------------------------------

      Traceback (most recent call last):
  File "/home/travis/build/python/cpython/Lib/test/test_socket.py", line 281, in _tearDown
    raise exc
  File "/home/travis/build/python/cpython/Lib/test/test_socket.py", line 299, in clientRun
    test_func()
  File "/home/travis/build/python/cpython/Lib/test/test_socket.py", line 2343, in _testSendmsgDontWait
    (errno.EAGAIN, errno.EWOULDBLOCK))
AssertionError: 12 not found in (11, 11)

      test_socket failed when run in parallel, but also when the test has been re-run sequentially in verbose mode.

      == Tests result: FAILURE then FAILURE ==
      393 tests OK.
      10 slowest tests:

      • test_multiprocessing_spawn: 2 min 36 sec
      • test_multiprocessing_forkserver: 1 min 41 sec
      • test_multiprocessing_fork: 1 min 26 sec
      • test_asyncio: 1 min 8 sec
      • test_concurrent_futures: 1 min 7 sec
      • test_subprocess: 59 sec
      • test_zipfile: 47 sec
      • test_io: 42 sec
      • test_lib2to3: 33 sec
      • test_lzma: 29 sec
        1 test failed:
        test_socket
        13 tests skipped:
        test_devpoll test_gdb test_kqueue test_msilib test_ossaudiodev
        test_startfile test_tix test_tk test_ttk_guionly test_winconsoleio
        test_winreg test_winsound test_zipfile64
        1 re-run test:
        test_socket
    2. vstinner
      added
      testsTests in the Lib/test dir
      on Jun 22, 2018
    3. vstinner
      changed the title [-][3.6] test_socket: testSendmsgTimeout() failed on Travis CI[/-] [+][3.6] test_socket: SendmsgSCTPStreamTest.testSendmsgTimeout() failed on Travis CI[/+] on Jun 27, 2018

    4. vstinner commented on Jul 11, 2018

      @vstinner
      vstinner
      on Jul 11, 2018
      MemberAuthor

      Recent failure (17 days ago) on the master branch:

      https://travis-ci.org/python/cpython/jobs/396258134

      ======================================================================
      ERROR: testSendmsgTimeout (test.test_socket.SendmsgSCTPStreamTest)
      ----------------------------------------------------------------------

      Traceback (most recent call last):
  File "/home/travis/build/python/cpython/Lib/test/test_socket.py", line 314, in _tearDown
    raise exc
  File "/home/travis/build/python/cpython/Lib/test/test_socket.py", line 332, in clientRun
    test_func()
  File "/home/travis/build/python/cpython/Lib/test/test_socket.py", line 2648, in _testSendmsgTimeout
    self.sendmsgToServer([b"a"*512])
  File "/home/travis/build/python/cpython/Lib/test/test_socket.py", line 2337, in sendmsgToServer
    *(args + self.sendmsg_to_server_defaults[len(args):]))
OSError: [Errno 12] Cannot allocate memory

      ======================================================================
      FAIL: testSendmsgDontWait (test.test_socket.SendmsgSCTPStreamTest)
      ----------------------------------------------------------------------

      Traceback (most recent call last):
  File "/home/travis/build/python/cpython/Lib/test/test_socket.py", line 314, in _tearDown
    raise exc
  File "/home/travis/build/python/cpython/Lib/test/test_socket.py", line 332, in clientRun
    test_func()
  File "/home/travis/build/python/cpython/Lib/test/test_socket.py", line 2672, in _testSendmsgDontWait
    (errno.EAGAIN, errno.EWOULDBLOCK))
AssertionError: 12 not found in (11, 11)
    5. vstinner
      changed the title [-][3.6] test_socket: SendmsgSCTPStreamTest.testSendmsgTimeout() failed on Travis CI[/-] [+]test_socket: SendmsgSCTPStreamTest.testSendmsgTimeout() failed on Travis CI with: [Errno 12] Cannot allocate memory[/+] on Jul 11, 2018

    6. vstinner commented on Sep 19, 2018

      @vstinner
      vstinner
      on Sep 19, 2018
      MemberAuthor

      This issue just occurred on a 3.7 PR:
      #9416 (review)
      https://travis-ci.org/python/cpython/jobs/430490176

    7. vstinner commented on Sep 25, 2018

      @vstinner
      vstinner
      on Sep 25, 2018
      MemberAuthor

      I wrote PR 9557 to fix the issue. test_socket fails frequently on Travis CI, on the three Python 3.x branches.

    8. vstinner commented on Sep 25, 2018

      @vstinner
      vstinner
      on Sep 25, 2018
      MemberAuthor

      New changeset 46f40be by Victor Stinner in branch 'master':
      bpo-33937: Catch ENOMEM error in test_socket (bpo-9557)
      46f40be

    9. miss-islington commented on Sep 25, 2018

      @miss-islington
      miss-islington
      on Sep 25, 2018
      Contributor

      New changeset ef1173a by Miss Islington (bot) in branch '3.7':
      bpo-33937: Catch ENOMEM error in test_socket (GH-9557)
      ef1173a

    10. miss-islington commented on Sep 25, 2018

      @miss-islington
      miss-islington
      on Sep 25, 2018
      Contributor

      New changeset 857b002 by Miss Islington (bot) in branch '3.6':
      bpo-33937: Catch ENOMEM error in test_socket (GH-9557)
      857b002

    11. vstinner commented on Sep 25, 2018

      @vstinner
      vstinner
      on Sep 25, 2018
      MemberAuthor

      The issue should now be fixed. Reopen it if it is not the case.

    12. vstinner
      closed this as completedon Sep 25, 2018

    13. vstinner commented on Sep 25, 2018

      @vstinner
      vstinner
      on Sep 25, 2018
      MemberAuthor

      Thanks for the review Pablo.

    14. ezio-melotti
      transferred this issue fromon Apr 10, 2022
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