Re: [dpdk-dev] Problems running netvsc multiq

[Mohammed Gamal <mgamal@redhat.com>]

On Tue, 2018-12-04 at 08:48 -0800, Stephen Hemminger wrote:
> On Fri, 30 Nov 2018 14:06:52 -0500 (EST)
> Mohammed Gamal <mmorsy@redhat.com> wrote:
> 
> > ----- Stephen Hemminger <stephen@networkplumber.org> wrote:
> > > 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:
> > > > 
> > > > testpmd: create a new mbuf pool <mbuf_pool_socket_0>: n=155456,
> > > > size=2176, socket=0
> > > > testpmd: preferred mempool ops selected: ring_mp_mc
> > > > Configuring Port 0 (socket 0)  
> > > > hn_dev_configure():  >>    
> > > > 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 = -5  
> > > > hn_dev_rx_queue_release():  >>
> > > > hn_dev_rx_queue_release():  >>
> > > > hn_dev_tx_queue_release():  >>
> > > > hn_dev_tx_queue_release():  >>    
> > > > Fail to configure port 0
> > > > EAL: Error - exiting with code: 1
> > > >   Cause: Start ports failed
> > > > 
> > > > Multiq support was enabled and kernel module was loaded. The
> > > > full
> > > > command line was:
> > > > ./testpmd -l 0-1 -n 2 --log-level=8 --log-level='pmd.*,8' --
> > > > log-
> > > > level='bus.vmbus,8' -- --port-topology=chained --forward-
> > > > mode=rxonly --
> > > > stats-period 1 --eth-peer=0,00:15:5d:1e:20:c0 --txq 2 --rxq 2
> > > > 
> > > > I am running latest upstream kernel from the Linus tree and
> > > > latest DPDK
> > > > upstream from git.dpdk.org.
> > > > 
> > > > Could you also reproduce this? If not, what could I be
> > > > misssing?
> > > > 
> > > > Regards,
> > > > Mohammed  
> > > 
> > > Investigating now.
> > > Does single queue work for  you?  
> > 
> > Yes it does.
> 
> What version of Windows are you running on?  Multi-queue requires
> WS2016 or later.
> The driver is missing a check of NDIS version, will add that.

I am running WS2016