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Created on 2020-03-11 11:52 by vstinner, last changed 2022-04-11 14:59 by admin. This issue is now closed.

Pull Requests
URL Status Linked Edit
PR 19690 merged vstinner, 2020-04-23 21:40
Messages (6)
msg363909 - (view) Author: STINNER Victor (vstinner) * (Python committer) Date: 2020-03-11 11:52
aarch64 RHEL8 Refleaks 3.7: https://buildbot.python.org/all/#/builders/620/builds/20 test_multiprocessing_fork leaked [0, 2, 0] file descriptors, sum=2 0:40:22 load avg: 0.93 Re-running failed tests in verbose mode 0:40:22 load avg: 0.93 Re-running test_multiprocessing_fork in verbose mode test_multiprocessing_fork leaked [2, 0, 0] file descriptors, sum=2
msg363925 - (view) Author: STINNER Victor (vstinner) * (Python committer) Date: 2020-03-11 14:42
Another example on PPC64LE RHEL8 Refleaks 3.7: https://buildbot.python.org/all/#/builders/431/builds/29 Warning -- Dangling processes: {<ForkServerProcess(QueueManager-2036, stopped[1])>} Warning -- Dangling processes: {<ForkServerProcess(QueueManager-2036, stopped[1])>} test_multiprocessing_spawn leaked [0, 2, 0] file descriptors, sum=2 Re-running test_multiprocessing_forkserver in verbose mode test_multiprocessing_forkserver leaked [2, 0, 0] file descriptors, sum=2
msg364366 - (view) Author: STINNER Victor (vstinner) * (Python committer) Date: 2020-03-16 22:21
Bug seen on Pytho 3.7 branch, on Fedora Stable, RHEL7 and RHEL8, on different architectures. aarch64 RHEL7 Refleaks 3.7: https://buildbot.python.org/all/#builders/598/builds/22 PPC64LE RHEL7 Refleaks 3.7: https://buildbot.python.org/all/#builders/414/builds/32 PPC64LE Fedora Stable Refleaks 3.7: https://buildbot.python.org/all/#/builders/388/builds/31
msg367132 - (view) Author: STINNER Victor (vstinner) * (Python committer) Date: 2020-04-23 17:25
On aarch64 RHEL8 Refleaks 3.7, I managed to reproduce the issue with a single test: ./python -m test test_multiprocessing_fork -R 3:3 -m test.test_multiprocessing_fork.WithProcessesTestHeap.test_heap -v
msg367133 - (view) Author: STINNER Victor (vstinner) * (Python committer) Date: 2020-04-23 17:28
The following command fails randomly: $ ./python -m test test_multiprocessing_fork -R 3:3 -m test.test_multiprocessing_fork.WithProcessesTestHeap.test_heap -v Run 1: test_multiprocessing_fork leaked [73, 52, 33] references, sum=158 test_multiprocessing_fork leaked [31, 23, 14] memory blocks, sum=68 test_multiprocessing_fork leaked [2, 0, 0] file descriptors, sum=2 test_multiprocessing_fork failed Run 2: 1 test OK. Run 6: test_multiprocessing_fork leaked [0, 2, 0] file descriptors, sum=2 test_multiprocessing_fork failed
msg367154 - (view) Author: STINNER Victor (vstinner) * (Python committer) Date: 2020-04-23 22:20
 New changeset 857d573257ab150d6bea666354312a5fd284b171 by Victor Stinner in branch '3.7': bpo-39932: Fix multiprocessing test_heap() (GH-19690) https://github.com/python/cpython/commit/857d573257ab150d6bea666354312a5fd284b171 
History
Date User Action Args
2022-04-11 14:59:28adminsetgithub: 84113
2020-04-23 22:20:36vstinnersetstatus: open -> closed
resolution: fixed
stage: patch review -> resolved
2020-04-23 22:20:04vstinnersetmessages: + msg367154
2020-04-23 21:40:00vstinnersetkeywords: + patch
stage: patch review
pull_requests: + pull_request19010
2020-04-23 17:28:45vstinnersetmessages: + msg367133
2020-04-23 17:25:13vstinnersetmessages: + msg367132
2020-03-16 22:21:54vstinnersetmessages: + msg364366
2020-03-11 14:42:09vstinnersetmessages: + msg363925
2020-03-11 11:52:10vstinnercreate