[libvirt-users] qemu-bridge-helper issue

[Laine Stump]

On 06/25/2014 10:22 AM, abhishek jain wrote:
> Hi
>
> I'm able to run the below command using root permission....
>
>  sudo kvm -netdev bridge,br=qbr0ccdca50-fa,id=hostnet -M ppce500
> Warning: netdev hostnet has no peer
> Could not initialize SDL(No available video device) - exiting
>
>
> However when I'm running the same command without root authority,I'm
> getting following logs...
>
>  kvm -netdev bridge,br=qbr0ccdca50-fa,id=hostnet -M ppce500
> failed to create tun device: Operation not permitted
> failed to launch bridge helper
> kvm: -netdev bridge,br=qbr0ccdca50-fa,id=hostnet: Device 'bridge'
> could not be initialized
>
>
> I need to run the above command without root authority.Please help
> regarding this.

Search for qemu-bridge-helper and you should find information about the
ACL file that needs to be setup for this to work properly. For example,
this has a short description, but doesn't sound like it's intended to be
the final authority:

  http://wiki.qemu.org/Features/HelperNetworking