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test_multiprocessing_forkserver: poll() failed on AMD64 FreeBSD CURRENT Non-Debug 3.5 #74518

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vstinner opened this issue May 10, 2017 · 3 comments
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test_multiprocessing_forkserver: poll() failed on AMD64 FreeBSD CURRENT Non-Debug 3.5 #74518

vstinner opened this issue May 10, 2017 · 3 comments
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tests Tests in the Lib/test dir

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@vstinner
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BPO 30333
Nosy @vstinner, @koobs, @applio

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 2017-10-30.16:36:06.017>
created_at = <Date 2017-05-10.15:24:33.687>
labels = ['tests']
title = 'test_multiprocessing_forkserver: poll() failed on AMD64 FreeBSD CURRENT Non-Debug 3.5'
updated_at = <Date 2017-10-30.16:36:06.016>
user = 'https://github.com/vstinner'

bugs.python.org fields:

activity = <Date 2017-10-30.16:36:06.016>
actor = 'vstinner'
assignee = 'none'
closed = True
closed_date = <Date 2017-10-30.16:36:06.017>
closer = 'vstinner'
components = ['Tests']
creation = <Date 2017-05-10.15:24:33.687>
creator = 'vstinner'
dependencies = []
files = []
hgrepos = []
issue_num = 30333
keywords = []
message_count = 3.0
messages = ['293426', '293809', '305238']
nosy_count = 3.0
nosy_names = ['vstinner', 'koobs', 'davin']
pr_nums = []
priority = 'normal'
resolution = 'out of date'
stage = 'resolved'
status = 'closed'
superseder = None
type = None
url = 'https://bugs.python.org/issue30333'
versions = ['Python 3.5']
@vstinner
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http://buildbot.python.org/all/builders/AMD64%20FreeBSD%20CURRENT%20Non-Debug%203.5/builds/97/steps/test/logs/stdio

test_connection (test.test_multiprocessing_forkserver.WithThreadsTestConnection) ... FAIL

...

Dangling threads: {<DummyProcess(Thread-110, started daemon 34437426432)>}

======================================================================
FAIL: test_connection (test.test_multiprocessing_forkserver.WithThreadsTestConnection)
----------------------------------------------------------------------

Traceback (most recent call last):
  File "/usr/home/buildbot/python/3.5.koobs-freebsd-current.nondebug/build/Lib/test/_test_multiprocessing.py", line 2359, in test_connection
    self.assertEqual(poll(TIMEOUT1), True)
AssertionError: False != True

Ran 272 tests in 124.653s

FAILED (failures=1, skipped=16)
Warning -- threading._dangling was modified by test_multiprocessing_forkserver
Before: <_weakrefset.WeakSet object at 0x80493d080>
After: <_weakrefset.WeakSet object at 0x804956160>
test test_multiprocessing_forkserver failed[105/398/1] test_multiprocessing_forkserver

@vstinner vstinner added the tests Tests in the Lib/test dir label May 10, 2017
@vstinner
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Other test_multiprocessing_forkserver errors on AMD64 FreeBSD CURRENT Non-Debug 3.6.

http://buildbot.python.org/all/builders/AMD64%20FreeBSD%20CURRENT%20Non-Debug%203.6/builds/150/steps/test/logs/stdio

(...)
test_import (test.test_multiprocessing_forkserver._TestImportStar) ... ok
Dangling threads: {<Thread(Thread-97, started daemon 34452785920)>}

======================================================================
FAIL: test_active_children (test.test_multiprocessing_forkserver.WithProcessesTestProcess)
----------------------------------------------------------------------

Traceback (most recent call last):
  File "/usr/home/buildbot/python/3.6.koobs-freebsd-current.nondebug/build/Lib/test/_test_multiprocessing.py", line 345, in test_active_children
    self.assertIn(p, self.active_children())
AssertionError: <Process(Process-226, stopped daemon)> not found in []

======================================================================
FAIL: test_notify (test.test_multiprocessing_forkserver.WithThreadsTestCondition)
----------------------------------------------------------------------

Traceback (most recent call last):
  File "/usr/home/buildbot/python/3.6.koobs-freebsd-current.nondebug/build/Lib/test/_test_multiprocessing.py", line 886, in test_notify
    self.assertReturnsIfImplemented(1, get_value, woken)
  File "/usr/home/buildbot/python/3.6.koobs-freebsd-current.nondebug/build/Lib/test/_test_multiprocessing.py", line 165, in assertReturnsIfImplemented
    return self.assertEqual(value, res)
AssertionError: 1 != 0

Ran 277 tests in 92.148s

FAILED (failures=2, skipped=16)
Warning -- threading._dangling was modified by test_multiprocessing_forkserver
Before: <_weakrefset.WeakSet object at 0x805771518>
After: <_weakrefset.WeakSet object at 0x8009c6cf8>
test test_multiprocessing_forkserver failed

@vstinner
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I didn't see this bug recently. I fixed many bugs in the meanwhile, so maybe I fixed the bug?

See for example https://haypo.github.io/contrib-cpython-2017q3-part2.html

@ezio-melotti ezio-melotti transferred this issue from another repository Apr 10, 2022
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