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Message #93611
[Bug 1973347] Re: OVN revision_number infinite update loop
** Also affects: cloud-archive
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1973347
Title:
OVN revision_number infinite update loop
Status in Ubuntu Cloud Archive:
New
Status in Ubuntu Cloud Archive ussuri series:
New
Status in Ubuntu Cloud Archive victoria series:
New
Status in Ubuntu Cloud Archive wallaby series:
Fix Released
Status in neutron:
Fix Released
Status in neutron package in Ubuntu:
New
Status in neutron source package in Focal:
New
Status in neutron source package in Jammy:
Fix Released
Bug description:
After the change described in
https://mail.openvswitch.org/pipermail/ovs-dev/2022-May/393966.html
was merged and released in stable OVN 22.03, there is a possibility to
create an endless loop of revision_number update in external_ids of
ports and router_ports. We have confirmed the bug in Ussuri and Yoga.
When the problem happens, the Neutron log would look like this:
2022-05-13 09:30:56.318 25 ... Successfully bumped revision number for resource 8af189bd-c5bf-48a9-b072-3fb6c69ae592 (type: router_ports) to 4815
2022-05-13 09:30:56.366 25 ... Running txn n=1 command(idx=0): CheckRevisionNumberCommand(...)
2022-05-13 09:30:56.367 25 ... Running txn n=1 command(idx=1): SetLSwitchPortCommand(...)
2022-05-13 09:30:56.367 25 ... Running txn n=1 command(idx=2): PgDelPortCommand(...)
2022-05-13 09:30:56.467 25 ... Successfully bumped revision number for resource 8af189bd-c5bf-48a9-b072-3fb6c69ae592 (type: ports) to 4815
2022-05-13 09:30:56.880 25 ... Running txn n=1 command(idx=0): CheckRevisionNumberCommand(...)
2022-05-13 09:30:56.881 25 ... Running txn n=1 command(idx=1): UpdateLRouterPortCommand(...)
2022-05-13 09:30:56.881 25 ... Running txn n=1 command(idx=2): SetLRouterPortInLSwitchPortCommand(...)
2022-05-13 09:30:56.984 25 ... Successfully bumped revision number for resource 8af189bd-c5bf-48a9-b072-3fb6c69ae592 (type: router_ports) to 4816
2022-05-13 09:30:57.057 25 ... Running txn n=1 command(idx=0): CheckRevisionNumberCommand(...)
2022-05-13 09:30:57.057 25 ... Running txn n=1 command(idx=1): SetLSwitchPortCommand(...)
2022-05-13 09:30:57.058 25 ... Running txn n=1 command(idx=2): PgDelPortCommand(...)
2022-05-13 09:30:57.159 25 ... Successfully bumped revision number for resource 8af189bd-c5bf-48a9-b072-3fb6c69ae592 (type: ports) to 4816
2022-05-13 09:30:57.523 25 ... Running txn n=1 command(idx=0): CheckRevisionNumberCommand(...)
2022-05-13 09:30:57.523 25 ... Running txn n=1 command(idx=1): UpdateLRouterPortCommand(...)
2022-05-13 09:30:57.524 25 ... Running txn n=1 command(idx=2): SetLRouterPortInLSwitchPortCommand(...)
2022-05-13 09:30:57.627 25 ... Successfully bumped revision number for resource 8af189bd-c5bf-48a9-b072-3fb6c69ae592 (type: router_ports) to 4817
2022-05-13 09:30:57.674 25 ... Running txn n=1 command(idx=0): CheckRevisionNumberCommand(...)
2022-05-13 09:30:57.674 25 ... Running txn n=1 command(idx=1): SetLSwitchPortCommand(...)
2022-05-13 09:30:57.675 25 ... Running txn n=1 command(idx=2): PgDelPortCommand(...)
2022-05-13 09:30:57.765 25 ... Successfully bumped revision number for resource 8af189bd-c5bf-48a9-b072-3fb6c69ae592 (type: ports) to 4817
(full version here: https://pastebin.com/raw/NLP1b6Qm).
In our lab environment we have confirmed that the problem is gone
after mentioned change is rolled back.
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References