Devstack stack run issue

Jeremy Stanley fungi at
Tue Oct 26 17:05:09 UTC 2021

[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 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:

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
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 963 bytes
Desc: not available
URL: <>

More information about the openstack-discuss mailing list