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~