[dpdk-users] VIRTIO for containers
jianfeng.tan at intel.com
Fri Oct 20 18:54:50 CEST 2017
On 10/20/2017 5:24 PM, 王志克 wrote:
> [dpdk-users] VIRTIO for containers
> I read this thread, and try to do the same way (legacy containers
> connect to ovs+dpdk). However, I meet following error when creating
> ovs port.
> /ovs-vsctl add-port br0 virtiouser0 -- set Interface virtiouser0
> type=dpdk options:dpdk-devargs=net_virtio_user0,path=/dev/vhost-net/
> ovs-vsctl: Error detected while setting up 'virtiouser0': Error
> attaching device 'net_virtio_user0,path=/dev/vhost-net' to DPDK.See
> ovs-vswitchd log for details.
> ovs-vsctl: The default log directory is "/var/log/openvswitch".
It should not try to connect this file /dev/vhost-net if this file
exists, instead it will use ioctls on it. So please check if you have
vhost and vhost-net ko probed into kernel.
> Debug shows that it calls virtio_user_dev_init()->vhost_user_setup(),
> and failed in connect() with target /dev/vhost-net. The errno is
> Below command indeed shows no one is listening.
> /lsof | grep vhost-net/
> In kernel OVS, I guess qemu-kvm would listne to /dev/vhost-net. But
> for ovs_dpdk and container, what extra work need be done? Appreciate
> any help.
> Wang Zhike
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