From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stephen Hemminger <stephen@networkplumber.org>
Subject: Re: Problems running netvsc multiq
Date: Fri, 30 Nov 2018 10:27:56 -0800
Message-ID: <20181130102756.41332fc2@xeon-e3>
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Cc: dev@dpdk.org, maxime.coquelin@redhat.com, Yuhui Jiang
 <yujiang@redhat.com>, Wei Shi  <wshi@redhat.com>
To: Mohammed Gamal <mgamal@redhat.com>
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On Fri, 30 Nov 2018 12:04:41 +0100
Mohammed Gamal <mgamal@redhat.com> wrote:

> Hi All,
> I am having the following errors when I run testpmd with the netvsc
> driver and --txq 2 and --rxq 2 options:
>=20
> testpmd: create a new mbuf pool <mbuf_pool_socket_0>: n=3D155456,
> size=3D2176, socket=3D0
> testpmd: preferred mempool ops selected: ring_mp_mc
> Configuring Port 0 (socket 0)
> hn_dev_configure():=C2=A0=C2=A0>> =20
> hn_rndis_link_status(): link status 0x40020006
> hn_subchan_configure(): open 1 subchannels
> vmbus_uio_get_subchan(): invalid subchannel id 0
> hn_subchan_configure(): open subchannel failed: -5
> hn_dev_configure(): subchannel configuration failed
> Port0 dev_configure =3D -5
> hn_dev_rx_queue_release():=C2=A0=C2=A0>>
> hn_dev_rx_queue_release():=C2=A0=C2=A0>>
> hn_dev_tx_queue_release():=C2=A0=C2=A0>>
> hn_dev_tx_queue_release():=C2=A0=C2=A0>> =20
> Fail to configure port 0
> EAL: Error - exiting with code: 1
> =C2=A0 Cause: Start ports failed
>=20
> Multiq support was enabled and kernel module was loaded. The full
> command line was:
> ./testpmd -l 0-1 -n 2 --log-level=3D8 --log-level=3D'pmd.*,8' --log-
> level=3D'bus.vmbus,8' -- --port-topology=3Dchained --forward-mode=3Drxonl=
y --
> stats-period 1 --eth-peer=3D0,00:15:5d:1e:20:c0 --txq 2 --rxq 2
>=20
> I am running latest upstream kernel from the Linus tree and latest DPDK
> upstream from git.dpdk.org.
>=20
> Could you also reproduce this? If not, what could I be misssing?
>=20
> Regards,
> Mohammed

Investigating now.
Does single queue work for  you?