Issue 34040: test_multiprocessing_forkserver: test_forkserver_sigkill() fails randomly (original) (raw)

Created on 2018-07-04 07:49 by vstinner, last changed 2022-04-11 14:59 by admin. This issue is now closed.

Messages (7)
msg321015 - (view)	Author: STINNER Victor (vstinner) *	Date: 2018-07-04 07:49
AMD64 FreeBSD 10.x Shared 3.x: http://buildbot.python.org/all/#/builders/87/builds/1137 ====================================================================== FAIL: test_forkserver_sigkill (test.test_multiprocessing_forkserver.WithProcessesTestProcess) ---------------------------------------------------------------------- Traceback (most recent call last): File "/usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/test/_test_multiprocessing.py", line 680, in test_forkserver_sigkill self.check_forkserver_death(signal.SIGKILL) File "/usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/test/_test_multiprocessing.py", line 670, in check_forkserver_death self.assertTrue(evt.is_set()) AssertionError: False is not true Re-running test 'test_multiprocessing_forkserver' in verbose mode Ran 310 tests in 100.124s OK (skipped=27)
msg321017 - (view)	Author: STINNER Victor (vstinner) *	Date: 2018-07-04 07:50
Another example of failure: https://bugs.python.org/issue31687#msg307355 x86 Tiger 3.x: http://buildbot.python.org/all/#/builders/30/builds/260 ====================================================================== FAIL: test_semaphore_tracker (test.test_multiprocessing_forkserver.TestSemaphoreTracker) ---------------------------------------------------------------------- Traceback (most recent call last): File "/Users/db3l/buildarea/3.x.bolen-tiger/build/Lib/test/_test_multiprocessing.py", line 4380, in test_semaphore_tracker _multiprocessing.sem_unlink(name2) AssertionError: OSError not raised ====================================================================== FAIL: test_forkserver_sigkill (test.test_multiprocessing_forkserver.WithProcessesTestProcess) ---------------------------------------------------------------------- Traceback (most recent call last): File "/Users/db3l/buildarea/3.x.bolen-tiger/build/Lib/test/_test_multiprocessing.py", line 653, in test_forkserver_sigkill self.check_forkserver_death(signal.SIGKILL) File "/Users/db3l/buildarea/3.x.bolen-tiger/build/Lib/test/_test_multiprocessing.py", line 643, in check_forkserver_death self.assertTrue(evt.is_set()) AssertionError: False is not true
msg321024 - (view)	Author: STINNER Victor (vstinner) *	Date: 2018-07-04 09:49
New changeset 07888e1cce89e9bb7dc501e287b4cb126e01c378 by Victor Stinner in branch 'master': bpo-34040, multiprocessing: Fix test_forkserver_sigkill() (GH-8081) https://github.com/python/cpython/commit/07888e1cce89e9bb7dc501e287b4cb126e01c378
msg321025 - (view)	Author: STINNER Victor (vstinner) *	Date: 2018-07-04 09:54
Python 2.7 is not affected: it has no forkserver.
msg321028 - (view)	Author: miss-islington (miss-islington)	Date: 2018-07-04 10:10
New changeset eb700f8c94602feb8c10ad8fc600f55e17e3b092 by Miss Islington (bot) in branch '3.7': bpo-34040, multiprocessing: Fix test_forkserver_sigkill() (GH-8081) https://github.com/python/cpython/commit/eb700f8c94602feb8c10ad8fc600f55e17e3b092
msg321030 - (view)	Author: miss-islington (miss-islington)	Date: 2018-07-04 10:15
New changeset ae23d8de8d7d810a8dbe1b09ea37590aff3e1aa0 by Miss Islington (bot) in branch '3.6': bpo-34040, multiprocessing: Fix test_forkserver_sigkill() (GH-8081) https://github.com/python/cpython/commit/ae23d8de8d7d810a8dbe1b09ea37590aff3e1aa0
msg321031 - (view)	Author: STINNER Victor (vstinner) *	Date: 2018-07-04 10:35
I doubled the sleep: it should be better. If not, we can easily increase even more the sleep ;-)