[ovs-discuss] error: "Error attaching device '0000:83:00.0' to DPDK"

lvzhilong at ncic.ac.cn lvzhilong at ncic.ac.cn
Wed Jul 12 09:31:24 UTC 2017

I have installed OVS 2.7 running.  When I do:
# ovs-vsctl add-port br0 dpdk-p0 -- set Interface dpdk-p0
type=dpdk options:dpdk-devargs=0000:82:00.0
ovs-vsctl: Error detected while setting up 'dpdk-p0': Error attaching
device '0000:82:00.0' to DPDK.  See ovs-vswitchd log for details.

here is some informations:1.    root at oncsg4:/var/log/openvswitch# $DPDK_DIR/tools/dpdk-devbind.py --status

Network devices using DPDK-compatible driver
0000:83:00.0 'Ethernet 10G 2P X710 Adapter' drv=vfio-pci unused=uio_pci_generic
0000:83:00.1 'Ethernet 10G 2P X710 Adapter' drv=uio_pci_generic unused=vfio-pci

2. the log file shows:
      (1).    2017-07-07T10:04:40.004Z|00064|netdev_dpdk|WARN|Error attaching device '0000:82:00.0' to DPDK
      (2).    2017-07-07T10:04:40.004Z|00065|netdev|WARN|dpdk-p0: could not set configuration (Invalid argument)

lvzhilong at ncic.ac.cn
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