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[OpenStack Infra <1523742@xxxxxxxxxxxxxxxxxx>]

Reviewed:  https://review.openstack.org/279227
Committed: https://git.openstack.org/cgit/openstack/nova/commit/?id=87069e7bf788ec4e80bd340bcb97d57117cbc4d2
Submitter: Jenkins
Branch:    master

commit 87069e7bf788ec4e80bd340bcb97d57117cbc4d2
Author: Sean Dague <sean@xxxxxxxxx>
Date:   Thu Feb 11 13:19:57 2016 -0500

    Fix reported ppc64le bug on video selection
    
    ppc64le apparently is the same as other ppc plaforms in it's video
    selection. This one line fix was put into a reported bug and addresses
    this for people.
    
    Co-Authored-By: xiaojinwei001@xxxxxxx
    
    Change-Id: I44283f19823bf39159633fa93f575e306bcf1970
    Closes-Bug: #1523742


** Changed in: nova
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1523742

Title:
  illegal video driver for PPC64 little endian system

Status in OpenStack Compute (nova):
  Fix Released
Status in OpenStack Compute (nova) liberty series:
  Confirmed

Bug description:
  for openstack kilo version, when creating a instance,   libvirt creates cirrus video type in template xml file  while is not supported for  PPC64 little endian system.  I debug the code and finally find mistake in function _add_video_driver of file nova/virt/libvirt/driver.py
  In function,  there is a logic that video driver is determinded by guest arch.   If arch is in (PPC, PPC64) then return vga, otherwise video driver is determined by other options.  For PPC64 little endian system,  guest arch is PPC64LE so that video driver is determined by other option (In our environment, with kvm virt type and spice disabled , video driver is determined by hw_video_model)  which makes video driver is cirrus .  Exception happens when creating vm instance because cirrus video driver is not supported on power hardware.
  I  add PPC64LE arch in the guestarch option and it does works.   The patch will be attached.

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