On 29.08.2013 08:07, Naor Shlomo wrote:
> Hi Michal
> 
> First of all thanks for your reply.
> 
> I followed your advice and the guideline you sent and did the following:
> 
>    <interface type='bridge'>
>       <mac address='52:54:00:43:6e:3f'/>
>       <source bridge='clients'/>
>       <model type='virtio'/>
>       <driver name='vhost' queues='5'/>
>       <address type='pci' domain='0x0000' bus='0x00' slot='0x04' 
> function='0x0'/>
>     </interface>
> 
> virsh version reports the following:
> 
> Compiled against library: libvirt 1.1.1
> Using library: libvirt 1.1.1
> Using API: QEMU 1.1.1
> Running hypervisor: QEMU 1.5.2
> 
> When I tried starting the machine I received the following:
> 
> error: Failed to start domain NaorDev
> error: unsupported configuration: Multiqueue devices are not supported on 
> this system
> 
> Could you please tell what am I missing?
> 
> Thanks,
> Naor

Your kernel does not support MQ yet. You need to update the kernel. The
support can be checked by executing:

grep IFF_MULTI_QUEUE /usr/include/linux/if_tun.h

(so maybe you'll need to update the linux-headers package as well).
Anyway, the MQ support has been introduced to kernel in the 3.8 release
(even though the docs were introduced in 3.9).

Michal

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