Re: current qemu-kvm doesn't work with vhost

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Jan Kiszka <jan.kiszka <at> web.de> writes:
> 
> On 2011-06-10 05:08, Amos Kong wrote:
> > host kernel: 2.6.39-rc2+
> > qemu-kvm : 05f1737582ab6c075476bde931c5eafbc62a9349
> > 
> > (gdb) r -monitor stdio -m 800 ~/RHEL-Server-6.0-64-virtio.qcow2 -snapshot
-device
> virtio-net-pci,netdev=he -netdev tap,vhost=on,id=he
> > 
> 
> I already came across that symptom in a different context. Fixed by the
> patch below. 
> 
> However, the real issue is related to an upstream cleanup of the
> virtio-pci build. That reveals some unneeded build dependencies in
> qemu-kvm. Will post a fix.
> 
> Jan

FYI

I encountered the same problem and applied the patch.

Well this results in the following error while starting the guest:

 qemu-system-x86_64: unable to start vhost net: 38: 
  falling back on userspace virtio

and i have no network at all. I will disable vhost=on for now.

Greetz Georg

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