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Created on 2017-11-20 15:32 by vstinner, last changed 2022-04-11 14:58 by admin. This issue is now closed.
| Messages (2) | |||
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| msg306553 - (view) | Author: STINNER Victor (vstinner) *  |
Date: 2017-11-20 15:32 | |
The test failed on AMD64 FreeBSD 10.x Shared 3.x: http://buildbot.python.org/all/#/builders/87/builds/200/steps/4/logs/stdio FAIL: test_put (test.test_multiprocessing_fork.WithProcessesTestQueue) ---------------------------------------------------------------------- Traceback (most recent call last): File "/usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/test/_test_multiprocessing.py", line 809, in test_put self.assertEqual(queue_empty(queue), False) AssertionError: True != False -- I succeeded to reproduce the issue on Linux with this change: diff --git a/Lib/test/_test_multiprocessing.py b/Lib/test/_test_multiprocessing.py index dbca2d89ed..0754ac0d52 100644 --- a/Lib/test/_test_multiprocessing.py +++ b/Lib/test/_test_multiprocessing.py @@ -804,7 +804,7 @@ class _TestQueue(BaseTestCase): queue.put_nowait(6) # the values may be in buffer but not yet in pipe so sleep a bit - time.sleep(DELTA) + time.sleep(0) self.assertEqual(queue_empty(queue), False) self.assertEqual(queue_full(queue, MAXSIZE), True) |
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| msg318108 - (view) | Author: STINNER Victor (vstinner) * |
Date: 2018-05-29 21:54 | |
I didn't see this failure recently, and I'm no longer able to reproduce the issue on Linux. |
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| History | |||
|---|---|---|---|
| Date | User | Action | Args |
| 2022-04-11 14:58:54 | admin | set | github: 76271 |
| 2018-05-29 21:54:56 | vstinner | set | status: open -> closed resolution: out of date messages: + msg318108 stage: resolved |
| 2017-11-20 15:32:50 | vstinner | set | title: test_put() -> test_put() of test_multiprocessing queue tests has a race condition |
| 2017-11-20 15:32:21 | vstinner | create | |