From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mohammed Gamal <mmorsy@redhat.com>
Subject: Re: Problems running netvsc multiq
Date: Fri, 30 Nov 2018 14:06:52 -0500 (EST)
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 <20181130102756.41332fc2@xeon-e3>
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Cc: Mohammed Gamal <mgamal@redhat.com>, dev@dpdk.org,
 maxime coquelin <maxime.coquelin@redhat.com>,
 Yuhui Jiang <yujiang@redhat.com>, Wei Shi <wshi@redhat.com>
To: Stephen Hemminger <stephen@networkplumber.org>
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----- Stephen Hemminger <stephen@networkplumber.org> wrote:
> On Fri, 30 Nov 2018 12:04:41 +0100
> Mohammed Gamal <mgamal@redhat.com> wrote:
>=20
> > 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=3Drxo=
nly --
> > 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
>=20
> Investigating now.
> Does single queue work for  you?

Yes it does.