[TC][nova] Failing device detachments on Focal

Balázs Gibizer balazs.gibizer at est.tech
Fri Sep 18 10:08:22 UTC 2020


Hi,

I want to raise a potential conflict between the fact that OpenStack 
Victoria officially supports Ubuntu Focal[3] and a high severity 
regression in Nova [1] caused by a qemu bug [2] in the qemu version 
that is shipped with Focal.

The Nova team documented[4] it as a limitation without a known 
workaround in Nova. Also as far as I know Canonical does not support 
downgrading the qemu version so I don't see a viable workaround on 
Focal side either.

Is the Nova reno[4] enough from the TC perspective to go forward with 
the switch to Focal and with the Victoria release?

cheers,
gibi

[1] https://bugs.launchpad.net/nova/+bug/1882521
[2] https://bugs.launchpad.net/qemu/+bug/1894804
[3] https://governance.openstack.org/tc/reference/runtimes/victoria.html
[4] https://review.opendev.org/#/c/752654





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