Open Stack

[keeping originator in Cc since they don't seem to be subscribed]

On 2021-10-26 16:54:49 +0000 (+0000), Venkata Krishna Reddy wrote:
> While running stack on latest devstack, ended up with the
> following error message:
[...]
> Oct 26 16:36:49 ubuntu nova-compute[337228]: ERROR
>     oslo_service.service nova.exception.InvalidCPUInfo: Configured
>     CPU model: Nehalem is not compatible with host CPU. Please
>     correct your config and try again. Unacceptable CPU info: CPU
>     doesn't have compatibility.
> 
> A week ago, the stack was successful and it is failing now.
[...]

This is due to https://review.opendev.org/815020 which merged a week
ago to update the default CPU model in DevStack with one which will
work for CentOS 9. See also this mailing list post and its replies
which go into greater detail on the situation:

http://lists.openstack.org/pipermail/openstack-discuss/2021-October/025500.html

You can probably override LIBVIRT_CPU_MODEL in your configuration
setting the old default of "none" if you want the old behavior for
now, though there are likely better long-term solutions.
-- 
Jeremy Stanley
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