After looking into the logs, I think the culprit is not the mentioned https://review.openstack.org/#/c/298056/ and this patch deserves an apology . Looking at ps output after job was finished we can see the stuck processes: one of them has pid 30938.
Luckily, the issue was reproduced here and we do have logs! logs.openstack. org/94/ 303594/ 2/check/ gate-neutron- dsvm-functional /1f86f1d/
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After looking into the logs, I think the culprit is not the mentioned https:/ /review. openstack. org/#/c/ 298056/ and this patch deserves an apology . Looking at ps output after job was finished we can see the stuck processes: one of them has pid 30938.
The last message in logs from this process is at 2016-04-08 20:27:59.522 where neutron. tests.functiona l.agent. test_l2_ ovs_agent. TestOVSAgent. test_ancillary_ port_creation_ and_deletion_ native job failed and likely got stuck: http:// logs.openstack. org/94/ 303594/ 2/check/ gate-neutron- dsvm-functional /1f86f1d/ logs/dsvm- functional- logs/neutron. tests.functiona l.agent. test_l2_ ovs_agent. TestOVSAgent. test_ancillary_ port_creation_ and_deletion_ native_ .txt.gz# _2016-04- 08_20_27_ 59_522
The other stuck process 30940 has the same exception: http:// logs.openstack. org/94/ 303594/ 2/check/ gate-neutron- dsvm-functional /1f86f1d/ logs/dsvm- functional- logs/neutron. tests.functiona l.agent. test_ovs_ lib.OVSBridgeTe stCase. test_delete_ port_if_ exists_ false_native_ .txt.gz# _2016-04- 08_20_40_ 05_584
Both from the above links are the last messages from that process.