*** This bug is a duplicate of bug 1952941 ***
https://bugs.launchpad.net/bugs/1952941
This should be resolved by
https://review.opendev.org/c/openstack/nova/+/820153
** This bug has been marked a duplicate of bug 1952941
Migration fails with "NotImplementedError: Cannot load 'pcpuset' in the base
class" when a pre Victoria instance with cpu pinning is migrated in Victoria
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https://bugs.launchpad.net/bugs/1944947
Title:
NUMA instance with shared CPU policy cannot be restarted after upgrade
to Victoria
Status in OpenStack Compute (nova):
In Progress
Bug description:
Description
===========
NUMA instances without hw:cpu_policy=dedicated set cannot be restarted after
upgrading from Ussuri to Victoria. The nova-compute service fails with the
following exception:
NotImplementedError: Cannot load 'pcpuset' in the base class
Steps to reproduce
==================
* Deploy Nova using Ussuri
* Create a flavor with hw:numa_nodes='2' but without setting hw:cpu_policy
* Start instance with flavor
* Upgrade Nova to Victoria
* openstack server stop <instance>
* openstack server start <instance>
Expected result
===============
Instance should start.
Actual result
=============
Instance doesn't start.
Environment
===========
python3-nova-22.2.2-1.el8.noarch
openstack-nova-compute-22.2.2-1.el8.noarch
Packaged as Docker images by Kolla.
Logs & Configs
==============
The following trace is logged: https://paste.openstack.org/show/809556/
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