[Openstack] [Folsom] CPU mode "host-model" generated in libvirt.xml gives error when booting

Sylvain Bauza sylvain.bauza at digimind.com
Fri Feb 15 17:46:19 UTC 2013


You're great. You made my day, it works.
-Sylvain

Le 15/02/2013 18:31, Vishvananda Ishaya a écrit :
> I seem to recall something similar happening when I built from source. One option is to update your /etc/nova/nova.conf to:
>
> libvirt_cpu_mode=host-passthrough
>
> Vish
>
> On Feb 15, 2013, at 9:07 AM, Sylvain Bauza <sylvain.bauza at digimind.com> wrote:
>
>> Hi,
>>
>> Nova is generating libvirt.xml for each instance with   <cpu mode="host-model" match="exact"/>
>> As a result, virsh (and nova-compute) refuses to start instance as complaining :
>> "error : internal error Cannot find suitable CPU model for given data"
>>
>>
>> Libvirt is 0.9.13-0ubuntu12.2~cloud0 and kvm is qemu-1.3 (from source)
>>
>> Please find attached my virsh capabilities (virsh_capabilities.txt)
>>
>>
>> I looked at my previous Essex install (with same kvm version) and no <cpu> tag is given in libvirt.xml.template.
>> I know that libvirt.xml file generation has been rewritten in Folsom, so I can't see what's wrong, neither how to fix it.
>>
>>
>> Thanks,
>> -Sylvain
>> <virsh_capabilities.txt>_______________________________________________
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