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[Sean Dague <sean@xxxxxxxxx>]

This sounds like an issue with the documentation, as it's a permissions
error outside of Nova

** Changed in: nova
       Status: New => Opinion

** Changed in: nova
   Importance: Undecided => Wishlist

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https://bugs.launchpad.net/bugs/1670950

Title:
  nova can't bind to dpdk (vhostuser) socket

Status in OpenStack Compute (nova):
  Opinion

Bug description:
  Hi everyone. I'm installing Openstack Ocata version with OVS-DPDK. 
  I installed openvswitch-switch-dpdk packages from ubuntu repository. 
  I setup dpdk use this tutorial: https://help.ubuntu.com/lts/serverguide/DPDK.html
  And When I create a vhostuser port, It works and its socket is correct permission.
  But when I launch an instance on this compute node. It has failed. 

  2017-03-07 03:55:44.381 21100 ERROR nova.compute.manager [instance:
  5c5c4eae-8f07-4128-9f84-0f2ed87319d9] libvirtError: internal error:
  process exited while connecting to monitor:
  2017-03-07T08:55:43.986446Z qemu-system-x86_64: -chardev
  socket,id=charnet0,path=/var/run/openvswitch/vhost_socket/vhufcf54d1f-
  4b,server: Failed to bind socket to /var/run/openvswitch/vhost_socket
  /vhufcf54d1f-4b: Permission denied

  Here is full log: http://paste.ubuntu.com/24129861/
  OVS_DPDK version: openvswitch-switch-dpdk   2.6.1-0ubuntu5~cloud0
  DPDK Version:  dpdk  16.11-1ubuntu3~cloud0
  Thanks

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