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[Liyingjun <yingjun.li@xxxxxxxxxxxxxxx>]

Public bug reported:

We can set video.vram by setting hw_video_ram in image properties
currently [1], but can't set vgamem. The default vgamem is 16MiB, it's
not enough for 4k resolutions in some cases.

[1]:
https://github.com/openstack/nova/blob/master/nova/virt/libvirt/driver.py#L4170-L4177

** Affects: nova
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1650160

Title:
  Unable to set vgamem for video

Status in OpenStack Compute (nova):
  New

Bug description:
  We can set video.vram by setting hw_video_ram in image properties
  currently [1], but can't set vgamem. The default vgamem is 16MiB, it's
  not enough for 4k resolutions in some cases.

  [1]:
  https://github.com/openstack/nova/blob/master/nova/virt/libvirt/driver.py#L4170-L4177

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