On Wed, Mar 28, 2018 at 08:20:00PM +0800, Sam wrote: > Hi all, > > I'm using Ovs-2.8.0 + DPDK-17.05-rc1 with two netdev using mlx5 driver, > like this: > > $ sudo /usr/local/share/openvswitch/scripts/dpdk_nic_bind --status > > Network devices using DPDK-compatible driver > > ============================================ > > <none> > > Network devices using kernel driver > > =================================== > > ... > > 0000:03:00.0 'MT27640 Family' if=eth4 drv=mlx5_core unused=igb_uio > > 0000:03:00.1 'MT27640 Family' if=eth5 drv=mlx5_core unused=igb_uio > > 0000:03:00.2 'MT27641 Family' if=enp3s0f2 drv=mlx5_core unused=igb_uio > > *Active* > > ... > > ===================== > > <none> > > > When I start ovs-vswitchd, and add port onto br0, I got errors like this: > > libibverbs: Warning: no userspace device-specific driver found for > > /sys/class/infiniband_verbs/uverbs2 > > > and git errors in ovs-vswitchd.log like this: > > 2018-03-28T09:34:25.687Z|00120|dpdk|INFO|EAL: PCI device 0000:03:00.0 on > > NUMA socket 0 > > 2018-03-28T09:34:25.687Z|00121|dpdk|INFO|EAL: probe driver: 15b3:1017 > > net_mlx5 > > 2018-03-28T09:34:25.687Z|00122|dpdk|WARN|EAL: Requested device > > 0000:03:00.0 cannot be used > > 2018-03-28T09:34:25.687Z|00123|dpdk|ERR|EAL: Driver cannot attach the > > device (0000:03:00.0) > > 2018-03-28T09:34:25.687Z|00124|netdev_dpdk|WARN|Error attaching device > > '0000:03:00.0' to DPDK > > 2018-03-28T09:34:25.687Z|00125|netdev|WARN|dpdk0: could not set > > configuration (Invalid argument) > > > How to fix this bug? Is there anyone got these errors? Thank you~
Hi, I would say you don't have the correct Linux drivers, nor libraries to make it work with DPDK. Did you installed Mellanox OFED? If not take a look at section 19.5. Prerequisites of the NIC documentation [1]. Regards, [1] https://dpdk.org/doc/guides-17.05/nics/mlx5.html -- Nélio Laranjeiro 6WIND
