test_multiprocessing_spawn hangs on x86 Ubuntu Shared 3.x

[vstinner]

BPO	23716
Nosy	@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 = None
closed_at = <Date 2015-03-20.08:43:51.075>
created_at = <Date 2015-03-20.02:14:57.145>
labels = []
title = 'test_multiprocessing_spawn hangs on x86 Ubuntu Shared 3.x'
updated_at = <Date 2015-03-20.08:43:51.073>
user = 'https://github.com/vstinner'

bugs.python.org fields:

activity = <Date 2015-03-20.08:43:51.073>
actor = 'vstinner'
assignee = 'none'
closed = True
closed_date = <Date 2015-03-20.08:43:51.075>
closer = 'vstinner'
components = []
creation = <Date 2015-03-20.02:14:57.145>
creator = 'vstinner'
dependencies = []
files = []
hgrepos = []
issue_num = 23716
keywords = []
message_count = 3.0
messages = ['238600', '238601', '238618']
nosy_count = 2.0
nosy_names = ['vstinner', 'sbt']
pr_nums = []
priority = 'normal'
resolution = 'fixed'
stage = None
status = 'closed'
superseder = None
type = None
url = 'https://bugs.python.org/issue23716'
versions = ['Python 3.5']

[vstinner]

It looks like the changeset 0b99d7043a99 (issue bpo-23694) introduced a regression:

http://buildbot.python.org/all/builders/x86%20Ubuntu%20Shared%203.x/builds/11358/

[340/393] test_multiprocessing_spawn
Timeout (1:00:00)!
Thread 0x55aacdc0 (most recent call first):
File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/multiprocessing/connection.py", line 379 in _recv
File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/multiprocessing/connection.py", line 407 in _recv_bytes
File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/multiprocessing/connection.py", line 250 in recv
File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/multiprocessing/managers.py", line 717 in _callmethod
File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/multiprocessing/managers.py", line 943 in acquire
File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/test/test_multiprocessing.py", line 911 in test_notify_all
File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/unittest/case.py", line 577 in run
File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/unittest/case.py", line 625 in __call_
File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/unittest/suite.py", line 122 in run
File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/unittest/suite.py", line 84 in __call__
File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/unittest/suite.py", line 122 in run
File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/unittest/suite.py", line 84 in __call__
File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/unittest/suite.py", line 122 in run
File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/unittest/suite.py", line 84 in __call__
File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/unittest/runner.py", line 176 in run
File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/test/support/init.py", line 1772 in _run_suite
File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/test/support/init.py", line 1806 in run_unittest
File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/test/regrtest.py", line 1283 in test_runner
File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/test/regrtest.py", line 1284 in runtest_inner
File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/test/regrtest.py", line 967 in runtest
File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/test/regrtest.py", line 763 in main
File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/test/regrtest.py", line 1568 in main_in_temp_cwd
File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/test/main.py", line 3 in <module>
File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/runpy.py", line 85 in _run_code
File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/runpy.py", line 170 in _run_module_as_main
make: *** [buildbottest] Error 1

[vstinner]

Oops, I posted the output of http://buildbot.python.org/all/builders/x86%20Ubuntu%20Shared%203.x/builds/11359/steps/test/logs/stdio

--

Other output:

http://buildbot.python.org/all/builders/x86%20Ubuntu%20Shared%203.x/builds/11358/steps/test/logs/stdio

[131/393] test_multiprocessing_spawn
Timeout (1:00:00)!
Thread 0x58300b40 (most recent call first):
File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/threading.py", line 293 in wait
File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/multiprocessing/queues.py", line 224 in _feed
File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/threading.py", line 871 in run
File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/threading.py", line 923 in _bootstrap_inner
File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/threading.py", line 891 in _bootstrap

Thread 0x55aacdc0 (most recent call first):
File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/multiprocessing/popen_fork.py", line 29 in poll
File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/multiprocessing/popen_fork.py", line 51 in wait
File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/multiprocessing/process.py", line 121 in join
File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/test/test_multiprocessing.py", line 714 in test_task_done
File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/unittest/case.py", line 577 in run
File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/unittest/case.py", line 625 in __call_
File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/unittest/suite.py", line 122 in run
File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/unittest/suite.py", line 84 in __call__
File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/unittest/suite.py", line 122 in run
File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/unittest/suite.py", line 84 in __call__
File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/unittest/suite.py", line 122 in run
File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/unittest/suite.py", line 84 in __call__
File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/unittest/runner.py", line 176 in run
File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/test/support/init.py", line 1772 in _run_suite
File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/test/support/init.py", line 1806 in run_unittest
File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/test/regrtest.py", line 1283 in test_runner
File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/test/regrtest.py", line 1284 in runtest_inner
File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/test/regrtest.py", line 967 in runtest
File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/test/regrtest.py", line 763 in main
File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/test/regrtest.py", line 1568 in main_in_temp_cwd
File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/test/main.py", line 3 in <module>
File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/runpy.py", line 85 in _run_code
File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/runpy.py", line 170 in _run_module_as_main
make: *** [buildbottest] Error 1

[vstinner]

Oh cool, it looks like the changeset 9882cc2efd36 already fixed this issue.