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1h 03m 07s\n- nova-next https://zuul.opendev.org/t/openstack/build/14216e1b0d324781a107cb253b5d5d59 : SUCCESS in 1h 31m 54s\n- tempest-slow https://zuul.opendev.org/t/openstack/build/4903870f8cfd43d981cc7326a2ea5b1b : SUCCESS in 2h 13m 45s\n- nova-tox-functional https://zuul.opendev.org/t/openstack/build/d9b5ef36dd024f4eaff5d5b03afffa23 : SUCCESS in 21m 24s\n- nova-tox-functional-py35 https://zuul.opendev.org/t/openstack/build/0373f0892a0e497b84d40fbcbbf639d2 : SUCCESS in 19m 26s\n- openstack-tox-lower-constraints https://zuul.opendev.org/t/openstack/build/442b3fc7e2474be5994ddbdd272a9d86 : SUCCESS in 12m 41s\n- neutron-grenade-multinode https://zuul.opendev.org/t/openstack/build/d598165823304603bcf274d82de82be4 : SUCCESS in 1h 12m 33s\n- devstack-plugin-ceph-tempest https://zuul.opendev.org/t/openstack/build/911ce48392694c6da35a51530dc1f172 : SUCCESS in 1h 03m 49s (non-voting)\n- tempest-multinode-full https://zuul.opendev.org/t/openstack/build/66d20332b2ac4a7cb8b94d38d5e4d1d3 : SUCCESS in 1h 39m 40s (non-voting)","accounts_in_message":[],"_revision_number":2},{"id":"cd1e09fe2e2a7bdfdf65adb66776a07babda167f","author":{"_account_id":10118,"name":"IBM PowerKVM CI","email":"kvmpower@linux.vnet.ibm.com","username":"powerkvm","tags":["SERVICE_USER"]},"date":"2020-04-17 05:12:16.000000000","message":"Patch Set 2:\n\nBuild failed. Test completed on IBM PowerKVM platform. For rechecking only on the IBM PowerKVM CI, add a review comment with pkvm- recheck. For contact and more information, see https://wiki.openstack.org/wiki/PowerKVM\n\n- tempest-dsvm-full-bionic https://oplab9.parqtec.unicamp.br/pub/ppc64el/openstack/nova/92/720592/2/check/tempest-dsvm-full-bionic/3ced84d/ : TIMED_OUT in 2h 37m 54s\n- tempest-dsvm-full-bionic-py3 https://oplab9.parqtec.unicamp.br/pub/ppc64el/openstack/nova/92/720592/2/check/tempest-dsvm-full-bionic-py3/8b3a0ae/ : FAILURE in 1h 40m 56s\n- grenade-dsvm-bionic https://oplab9.parqtec.unicamp.br/pub/ppc64el/openstack/nova/92/720592/2/check/grenade-dsvm-bionic/de1ab00/ : POST_FAILURE in 1h 24m 11s (non-voting)","accounts_in_message":[],"_revision_number":2},{"id":"7f7cacd88fa052b86465e08db27ef953b13eb429","author":{"_account_id":10135,"name":"Lee Yarwood","display_name":"Lee Yarwood","email":"lyarwood@redhat.com","username":"lyarwood"},"date":"2020-05-15 13:15:14.000000000","message":"Patch Set 2: Code-Review+2\n\nLGTM","accounts_in_message":[],"_revision_number":2},{"id":"a2c91bafdd38448360612b12a242bafd17ba6fef","author":{"_account_id":17685,"name":"Elod Illes","email":"elod.illes@est.tech","username":"elod.illes"},"date":"2020-05-19 14:56:38.000000000","message":"Patch Set 2: Code-Review+2 Workflow+1\n\nThe backport looks good to me: \n* modification in test_service.py is noted and valid\n* patch has merged in Stein.","accounts_in_message":[],"_revision_number":2},{"id":"9e717e723f27796b530157b9d27d89524db5c206","tag":"autogenerated:zuul:gate","author":{"_account_id":22348,"name":"Zuul","username":"zuul","tags":["SERVICE_USER"]},"date":"2020-05-19 14:57:06.000000000","message":"Patch Set 2: -Verified\n\nStarting gate jobs.","accounts_in_message":[],"_revision_number":2},{"id":"1a85a60f28addbf8b59f90017e2ef81099586609","tag":"autogenerated:zuul:gate","author":{"_account_id":22348,"name":"Zuul","username":"zuul","tags":["SERVICE_USER"]},"date":"2020-05-19 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10s","accounts_in_message":[],"_revision_number":2},{"id":"c5d353d92860417876c9c6e5c90a41eea0d3da85","author":{"_account_id":22348,"name":"Zuul","username":"zuul","tags":["SERVICE_USER"]},"date":"2020-05-19 18:22:47.000000000","message":"Change has been successfully merged by Zuul","accounts_in_message":[],"_revision_number":2}],"current_revision_number":2,"current_revision":"a86ebc75eb886bd293dca42439762ecdd69ca0d7","revisions":{"51a3cf0f3bbd4d851a4083e14493d3cc98358e8e":{"kind":"REWORK","_number":1,"created":"2020-04-16 20:39:52.000000000","uploader":{"_account_id":4690,"name":"melanie witt","display_name":"melwitt","email":"melwittt@gmail.com","username":"melwitt"},"ref":"refs/changes/92/720592/1","fetch":{"anonymous http":{"url":"https://review.opendev.org/openstack/nova","ref":"refs/changes/92/720592/1","commands":{"Checkout":"git fetch https://review.opendev.org/openstack/nova refs/changes/92/720592/1 \u0026\u0026 git checkout FETCH_HEAD","Cherry Pick":"git fetch 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long time where occasionally the scheduler\nservice gets into a state where many requests fail in it with\nCellTimeout errors. Example:\n\n  Timed out waiting for response from cell \u003ccell uuid\u003e\n\nThrough the use of much DNM patch debug logging in oslo.db, it was\nrevealed that service child processes (workers) were sometimes starting\noff with already locked internal oslo.db locks. This is a known issue\nin python [1] where if a parent process forks a child process while a\nlock is held, the child will inherit the held lock which can never be\nacquired.\n\nThe python issue is not considered a bug and the recommended way to\nhandle it is by making use of the os.register_at_fork() in the oslo.db\nto reinitialize its lock. The method is new in python 3.7, so as long\nas we still support python 3.6, we must handle the situation outside of\noslo.db.\n\nWe can do this by clearing the cell cache that holds oslo.db database\ntransaction context manager objects during service start(). This way,\nwe get fresh oslo.db locks that are in an unlocked state when a child\nprocess begins.\n\nWe can also take this opportunity to resolve part of a TODO to clear\nthe same cell cache during service reset() (SIGHUP) since it is another\ncase where we intended to clear it. The rest of the TODO related to\nperiodic clearing of the cache is removed after discussion on the\nreview, as such clearing would be unsynchronized among multiple\nservices and for periods of time each service might have a different\nview of cached cells than another.\n\nCloses-Bug: #1844929\n\n[1] https://bugs.python.org/issue6721\n\nNOTE(melwitt): The difference from the Train change in\nnova/tests/functional/test_service.py is because change\nIdaed39629095f86d24a54334c699a26c218c6593 is not in Rocky.\n\nChange-Id: Id233f673a57461cc312e304873a41442d732c051\n(cherry picked from commit 941559042f609ee43ff3160c0f0d0c45187be17f)\n(cherry picked from commit 88205a4e911268dae7120a6a43ff9042d1534251)\n(cherry picked from commit 4de766006d9432a7ccbcf6a4d4232db472b2f0e1)\n","web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/nova/commit/51a3cf0f3bbd4d851a4083e14493d3cc98358e8e"}],"resolve_conflicts_web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/nova/commit/51a3cf0f3bbd4d851a4083e14493d3cc98358e8e"}]},"branch":"refs/heads/stable/rocky"},"a86ebc75eb886bd293dca42439762ecdd69ca0d7":{"kind":"NO_CODE_CHANGE","_number":2,"created":"2020-04-16 20:56:56.000000000","uploader":{"_account_id":4690,"name":"melanie witt","display_name":"melwitt","email":"melwittt@gmail.com","username":"melwitt"},"ref":"refs/changes/92/720592/2","fetch":{"anonymous http":{"url":"https://review.opendev.org/openstack/nova","ref":"refs/changes/92/720592/2","commands":{"Checkout":"git fetch https://review.opendev.org/openstack/nova refs/changes/92/720592/2 \u0026\u0026 git checkout FETCH_HEAD","Cherry Pick":"git fetch https://review.opendev.org/openstack/nova refs/changes/92/720592/2 \u0026\u0026 git cherry-pick FETCH_HEAD","Format Patch":"git fetch https://review.opendev.org/openstack/nova refs/changes/92/720592/2 \u0026\u0026 git format-patch -1 --stdout FETCH_HEAD","Pull":"git pull https://review.opendev.org/openstack/nova refs/changes/92/720592/2"}}},"commit":{"parents":[{"commit":"85521691a843b9606d4a8aa050f4452ba025eb02","subject":"Unplug VIFs as part of cleanup of networks","web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/nova/commit/85521691a843b9606d4a8aa050f4452ba025eb02"}]}],"author":{"name":"melanie witt","email":"melwittt@gmail.com","date":"2020-04-03 21:22:27.000000000","tz":0},"committer":{"name":"melanie witt","email":"melwittt@gmail.com","date":"2020-04-16 20:56:39.000000000","tz":0},"subject":"Reset the cell cache for database access in Service","message":"Reset the cell cache for database access in Service\n\nWe have had a gate bug for a long time where occasionally the scheduler\nservice gets into a state where many requests fail in it with\nCellTimeout errors. Example:\n\n  Timed out waiting for response from cell \u003ccell uuid\u003e\n\nThrough the use of much DNM patch debug logging in oslo.db, it was\nrevealed that service child processes (workers) were sometimes starting\noff with already locked internal oslo.db locks. This is a known issue\nin python [1] where if a parent process forks a child process while a\nlock is held, the child will inherit the held lock which can never be\nacquired.\n\nThe python issue is not considered a bug and the recommended way to\nhandle it is by making use of the os.register_at_fork() in the oslo.db\nto reinitialize its lock. The method is new in python 3.7, so as long\nas we still support python 3.6, we must handle the situation outside of\noslo.db.\n\nWe can do this by clearing the cell cache that holds oslo.db database\ntransaction context manager objects during service start(). This way,\nwe get fresh oslo.db locks that are in an unlocked state when a child\nprocess begins.\n\nWe can also take this opportunity to resolve part of a TODO to clear\nthe same cell cache during service reset() (SIGHUP) since it is another\ncase where we intended to clear it. The rest of the TODO related to\nperiodic clearing of the cache is removed after discussion on the\nreview, as such clearing would be unsynchronized among multiple\nservices and for periods of time each service might have a different\nview of cached cells than another.\n\nCloses-Bug: #1844929\n\n[1] https://bugs.python.org/issue6721\n\nNOTE(melwitt): The difference from the Stein change in\nnova/tests/functional/test_service.py is because change\nIdaed39629095f86d24a54334c699a26c218c6593 is not in Rocky.\n\nChange-Id: Id233f673a57461cc312e304873a41442d732c051\n(cherry picked from commit 941559042f609ee43ff3160c0f0d0c45187be17f)\n(cherry picked from commit 88205a4e911268dae7120a6a43ff9042d1534251)\n(cherry picked from commit 4de766006d9432a7ccbcf6a4d4232db472b2f0e1)\n","web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/nova/commit/a86ebc75eb886bd293dca42439762ecdd69ca0d7"}],"resolve_conflicts_web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/nova/commit/a86ebc75eb886bd293dca42439762ecdd69ca0d7"}]},"branch":"refs/heads/stable/rocky"}},"requirements":[],"submit_records":[],"submit_requirements":[]}