Reviewed: https://review.openstack.org/624669
Committed:
https://git.openstack.org/cgit/openstack/neutron/commit/?id=3995abefb16181594181133b271cdf35fa8d9937
Submitter: Zuul
Branch: master
commit 3995abefb16181594181133b271cdf35fa8d9937
Author: Oleg Bondarev <obonda...@mirantis.com>
Date: Wed Dec 12 15:11:43 2018 +0400
Do state report after setting start_flag on OVS restart
This fixes race condition leading to lack of fdb entries
on agent after OVS restart, if agent managed to handle all ports
before sending state report with start_flag set to True.
Change-Id: I943f8d805630cdfbefff9cff1fb4bce89210618b
Closes-Bug: #1808136
** Changed in: neutron
Status: In Progress => Fix Released
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https://bugs.launchpad.net/bugs/1808136
Title:
l2 pop doesn't always provide the whole list of fdb entries on OVS
restart
Status in neutron:
Fix Released
Bug description:
bug https://bugs.launchpad.net/neutron/+bug/1804842 was fixed, but
there is still a race condition, which leads to the same issue:
success scenario:
- OVS is restarted
- agent start_flag set to True
- report state done
- ports updated, server sends fdb entries as it sees agent as restarted
fail scenario:
- OVS is restarted
- agent start_flag set to True
- ports updated, server doesn't send fdb entries as report state with start
flag has not yet come
- report state done
- no fdb entries on agent (since no update port messages to server within
config.agent_boot_time sec)
The proposal is to force state report right after setting start_flag.
No side effects expected.
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