[Bug 1291321] Re: migration fails between 12.04 Precise and 14.04 Trusty

[Valentijn Sessink]

Hi,

Adding <qemu:commandline> tags needs a namespace. What you do is:
12.04~# virsh edit machine
Now add the namespace. The resulting first line of the domain xml-file should read:
<domain type='kvm' xmlns:qemu='http://libvirt.org/schemas/domain/qemu/1.0'>
After that, adding <qemu:commandline> tags will work, but alas:

# virsh start fhdhvalentijn
error: Failed to start domain fhdhvalentijn
error: internal error Process exited while reading console log output: char device redirected to /dev/pts/12
kvm: Property 'cirrus-vga.vgamem_mb' not found

So 12.04 doesn't have the option. I even tried to trick the system into
thinking it did have a cirrus-vga.vgamem_mb thing, by 1) leaving the
option out; 2) starting fhdhvalentijn 3) virsh edit fhdhvalentijn and
adding the cirrus-option; then migrating the thing, but that doesn't
work either.

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https://bugs.launchpad.net/bugs/1291321

Title:
  migration fails between 12.04 Precise and 14.04 Trusty

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