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On Thu, Dec 10, 2020 at 17:50, Balázs Gibizer 
<balazs.gibizer at est.tech> wrote:
> 
> 
> On Thu, Dec 10, 2020 at 13:18, Balázs Gibizer 
> <balazs.gibizer at est.tech> wrote:
>> 
>> 
>> On Wed, Dec 9, 2020 at 19:33, melanie witt <melwittt at gmail.com> 
>> wrote:
>>> Howdy all,
>>> 
>>> FYI we have gate failures of the recently added 
>>> test_*_with_qos_min_bw_allocation tests [1] in the 
>>> nova-multi-cell job on the master, stable/victoria, and 
>>> stable/ussuri branches. The failures occur during cross cell 
>>> migrations.
>>> 
>>> I have opened a bug for the failure on the master branch:
>>> 
>>> * https://bugs.launchpad.net/nova/+bug/1907522
>>> 
>>> The issue here is that we fail to create port bindings in neutron 
>>> during a cross cell migration in the superconductor:
>>> 
>>> nova.exception.PortBindingFailed: Binding failed for port <port 
>>> uuid>
>>> 
>>> and that corresponds to a failure in the neutron server log where 
>>> it fails the port binding with:
>>> 
>>> neutron_lib.exceptions.placement.UnknownResourceProvider: No such 
>>> resource provider known by Neutron
>>> 
>>> I don't yet know what is going on here ^.
>>> 
>>> For the bug on stable/victoria and stable/ussuri I have opened this 
>>> bug:
>>> 
>>> * https://bugs.launchpad.net/nova/+bug/1907511
>>> 
>>> and have a WIP stable-only patch proposed that needs tests:
>>> 
>>> https://review.opendev.org/c/openstack/nova/+/766364
>>> 
>>> I just wanted to see ASAP if the nova-multi-cell job will pass on 
>>> it.
>>> 
>>> The issue here ^ is that during a cross cell migration, we aren't 
>>> targeting the cell database for the target host when we attempt 
>>> to lookup the service record of the target host.
>>> 
>>> For the stable branch failures I think the failure rate is 100% and 
>>> it looks like it might also be 100% for the master branch 
>>> failures.
>> 
>> Thanks Melanie!
>> 
>> A sort update. The test result in 
>> https://review.opendev.org/c/openstack/nova/+/766364 shows that 
>> after fixing the stable only 
>> https://bugs.launchpad.net/nova/+bug/1907511 we now hit the same 
>> failure on stable that is seen on master 
>> https://bugs.launchpad.net/nova/+bug/1907522
>> 
>> Both master and stable branches are blocked at the moment.
> 
> Now we have patches to unblock master and stable/victoria, we just 
> need to push the through the gate:
> 
> * master: https://review.opendev.org/c/openstack/nova/+/766471

This patch has been merged so the master branch is unblocked now and 
you can recheck your patches.

> * stable/victoria: 
> https://review.opendev.org/c/openstack/nova/+/765749

This still needs to land before stable/victoria can be used

Cheers,
gibi

> 
> Cheers,
> gibi
> 
>> 
>> Cheers,
>> gibi
>>> 
>>> Cheers,
>>> -melanie
>>> 
>>> [1] https://review.opendev.org/c/openstack/tempest/+/694539
>>> 
>> 
>> 
>> 
> 
> 
>