Dpdk compute scale out fails with "Stderr: 'Cannot get driver information: No such device'",

Solution Verified - Updated -


When trying to scale-out a ovs-dpdk compute node with Mellanox ConnectX-4/5/6 network interfaces:

openstack overcloud deploy (...) 

deployment fails while configuring dpdk port:

"[2023/01/25 03:26:53 AM] [INFO] adding ovs dpdk port: dpdk0",
        "Stderr: 'Cannot get driver information: No such device\\n'",
        "ERROR: os-net-config configuration failed.",


  • Red Hat Openstack 13
  • Red Hat Openstack 16.1.x
  • Red Hat Openstack 16.2.x

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