[Bug 1617385] Re: No snapshot possible with virtio-gpu activated

["林博仁(Buo-ren, Lin)" <1617385@bugs.launchpad.net>]

I also have this problem, with the 3D acceleration enabled, it would be
great if the situation improves as the VM often not stable after the
host restores from sleep state.

** Changed in: qemu
       Status: Expired => Confirmed

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https://bugs.launchpad.net/bugs/1617385

Title:
  No snapshot possible with virtio-gpu activated

Status in QEMU:
  Confirmed

Bug description:
  I'm using "Qemu" and "Virtual Machine Manager" on Debian-8-Stretch -
  both newest versions out of the Debian-testing-repository (state
  26.08.2016).

  If I try to save a virtual machine, it fails and I'll get the
  following error:

  libvirtError: internal error: unable to execute QEMU command
  'migrate': State blocked by non-migratable device
  '0000:00:02.0/virtio-gpu'

  This only happens, if I chose "Virtio" as graphics-driver (no matter
  if I use "Spice" or "Vnc" as Server by the way). If I switch to any
  other driver (Cirrus, Qxl, Vga, VMvga...) there is no problem to take
  a snapshot and save the virtual machine.

  Unfortunately "virtio-gpu" (together with "Spice-Server") is the only
  driver that provides proper working/running my virtual machines on my
  PC.

  feuerkogel1

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