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Date: Thu, 21 Nov 2019 07:26:25 +0100
From: Jesper Dangaard Brouer <brouer@redhat.com>
Subject: Re: error loading xdp program on virtio nic
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To: David Ahern <dsahern@gmail.com>
Cc: brouer@redhat.com, Jason Wang <jasowang@redhat.com>, "xdp-newbies@vger.kernel.org" <xdp-newbies@vger.kernel.org>

On Wed, 20 Nov 2019 21:05:48 -0700
David Ahern <dsahern@gmail.com> wrote:

> On 11/20/19 8:54 PM, Jason Wang wrote:
> >>
> >> The current error message is:
> >> =C2=A0=C2=A0 virtio_net: Too few free TX rings available
> >> again, looking for some libvirt setting for the vm create.
> >> =20
> >=20
> > Make sure you have sufficient queues, e.g if you N vcpus with multiqueu=
e
> > enabled, you need 2*N queues for virtio-net. =20
>=20
> yep, that did the trick and now I can attach xdp programs. Thanks for
> the help.

How did you configure number of queues in libbvirt?=20

--=20
Best regards,
  Jesper Dangaard Brouer
  MSc.CS, Principal Kernel Engineer at Red Hat
  LinkedIn: http://www.linkedin.com/in/brouer