[issue11871] test_default_timeout() of test_threading.BarrierTests failure: BrokenBarrierError

STINNER Victor added the comment: The race condition still exists in tests. Recent failure on AMD64 Windows8.1 Refleaks 3.x: https://buildbot.python.org/all/#/builders/511/builds/249 0:03:31 load avg: 2.93 [ 42/432/1] test_threading failed (1 error) (1 min 12 sec) -- running: test_runpy (1

[issue11871] test_default_timeout() of test_threading.BarrierTests failure: BrokenBarrierError

Change by STINNER Victor : -- status: closed -> open ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue11871] test_default_timeout() of test_threading.BarrierTests failure: BrokenBarrierError

STINNER Victor added the comment: 10 years ago, the issue is not solved. Recent failure on AMD64 Windows8.1 Refleaks PR buildbot: https://buildbot.python.org/all/#/builders/470/builds/45 The issue started to make the buildbot fail since I added a threading.excepthook in libregrtest.

[issue11871] test_default_timeout() of test_threading.BarrierTests failure: BrokenBarrierError

STINNER Victor added the comment: I didn't see this failure recently, I close the issue. -- resolution: -> out of date status: open -> closed ___ Python tracker ___

[issue11871] test_default_timeout() of test_threading.BarrierTests failure: BrokenBarrierError

STINNER Victor added the comment: test_threading failed on AMD64 Windows8.1 Refleaks 3.x, the unittest errors are missing, but unraisable exceptions look similar: https://buildbot.python.org/all/#/builders/80/builds/646 0:21:11 load avg: 7.30 [156/419/3] test_threading failed (2 min 56 sec)

[issue11871] test_default_timeout() of test_threading.BarrierTests failure: BrokenBarrierError

Ivan Pozdeev added the comment: Got this issue today in AppVeyor's PR check: https://ci.appveyor.com/project/python/cpython/builds/24945165, so it's not local to David's worker. (At rerun, the test succeeeded, so the check status was not affected.) -- nosy: +Ivan.Pozdeev versions:

[issue11871] test_default_timeout() of test_threading.BarrierTests failure: BrokenBarrierError

David Bolen added the comment: I should mention that a high level of test parallelism on the part of my worker might have be a contributing factor in this most recent case. The worker was recently upgraded to a faster 4-core VM, but with limited I/O. In a test run the test processes

[issue11871] test_default_timeout() of test_threading.BarrierTests failure: BrokenBarrierError

STINNER Victor added the comment: The test still fails randomly: https://buildbot.python.org/all/#/builders/3/builds/2469 -- resolution: fixed -> status: closed -> open ___ Python tracker

[issue11871] test_default_timeout() of test_threading.BarrierTests failure: BrokenBarrierError

Stefan Krah added the comment: It looks like it happened again: http://buildbot.python.org/all/builders/x86%20Gentoo%20Non-Debug%203.x/builds/5223/steps/test/logs/stdio == ERROR: test_default_timeout

[issue11871] test_default_timeout() of test_threading.BarrierTests failure: BrokenBarrierError

Charles-François Natali neolo...@free.fr added the comment: Victor, can I commit it? -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue11871 ___

[issue11871] test_default_timeout() of test_threading.BarrierTests failure: BrokenBarrierError

STINNER Victor victor.stin...@haypocalc.com added the comment: YES YOU CAN -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue11871 ___ ___

[issue11871] test_default_timeout() of test_threading.BarrierTests failure: BrokenBarrierError

Roundup Robot devn...@psf.upfronthosting.co.za added the comment: New changeset aa9c0fdf2143 by Charles-François Natali in branch '3.2': Issue #11871: In test_threading.BarrierTests, bump the default barrier timeout http://hg.python.org/cpython/rev/aa9c0fdf2143 New changeset e8da570d29a8 by

[issue11871] test_default_timeout() of test_threading.BarrierTests failure: BrokenBarrierError

Charles-François Natali neolo...@free.fr added the comment: YES YOU CAN :-) -- resolution: - fixed stage: patch review - committed/rejected status: open - closed versions: +Python 3.2 ___ Python tracker rep...@bugs.python.org

[issue11871] test_default_timeout() of test_threading.BarrierTests failure: BrokenBarrierError

Charles-François Natali neolo...@free.fr added the comment: The attached patch bumps the barrier's default timeout to 300ms: it should be more than enough (unless you got a really crappy scheduler, or a really heavily loaded machine), especially since this problem doesn't seem to occur often

[issue11871] test_default_timeout() of test_threading.BarrierTests failure: BrokenBarrierError

Charles-Francois Natali neolo...@free.fr added the comment: The most obvious explanation for that failure is that the barrier's timeout is too low. def test_default_timeout(self): Test the barrier's default timeout #create a barrier with a low default timeout

[issue11871] test_default_timeout() of test_threading.BarrierTests failure: BrokenBarrierError

New submission from STINNER Victor victor.stin...@haypocalc.com: While trying to reproduce issue #11870 using gdb -args ./python Lib/test/regrtest.py -F -v --timeout=600 test_threading, I had the following error on Linux: -- test_default_timeout