Deadlock on update_port_status

[Eugene Nikanorov]

Deadlock trace found in neutron-server logs when updating router gateway port to BUILD status which port binding process is in progress. The trace:

http://logs.openstack.org/32/181132/5/check/gate-rally-dsvm-neutron-neutron/c90deb5/logs/screen-q-svc.txt.gz?#_2015-05-08_00_54_04_657

Logstash query:
http://logstash.openstack.org/#eyJzZWFyY2giOiJtZXNzYWdlOiBcIlVQREFURSBwb3J0cyBTRVQgc3RhdHVzPSVzIFdIRVJFIHBvcnRzLmlkID0gJXMnXCIiLCJmaWVsZHMiOltdLCJvZmZzZXQiOjAsInRpbWVmcmFtZSI6IjE3MjgwMCIsImdyYXBobW9kZSI6ImNvdW50IiwidGltZSI6eyJ1c2VyX2ludGVydmFsIjowfSwic3RhbXAiOjE0MzEwNzAzNzYxNzR9

Many hits.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/181310

[OpenStack Infra (hudson-openstack)]

Change abandoned by Kyle Mestery (<email address hidden>) on branch: master
Review: https://review.openstack.org/181310
Reason: This review is > 4 weeks without comment, and failed Jenkins the last time it was checked. We are abandoning this for now. Feel free to reactivate the review by pressing the restore button and leaving a 'recheck' comment to get fresh test results.

[OpenStack Infra (hudson-openstack)]

Change abandoned by enikanorov (<email address hidden>) on branch: master
Review: https://review.openstack.org/181310

[Sudhakar Gariganti (sudhakar-gariganti)]

Can we close this as https://review.openstack.org/#/c/191540/ addresses it ???

[Eugene Nikanorov (enikanorov)]

I agree, all such failures should be addressed by adding retries ( https://review.openstack.org/#/c/191540/ )