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.ba...@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
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