The following minimal steps can be used to test:
$ cat > layout-test.xml << EOF
<domain type='kvm'>
<name>layout-test</name>
<memory unit='MiB'>256</memory>
<vcpu placement='static'>1</vcpu>
<os>
<type arch='x86_64' machine='pc-i440fx-wily'>hvm</type>
<boot dev='hd'/>
</os>
<devices>
<emulator>/usr/bin/kvm-spice</emulator>
<memballoon model='virtio'>
<address type='pci' domain='0x0000' bus='0x00' slot='0x06'
function='0x0'/>
</memballoon>
</devices>
</domain>
EOF
$ virsh define layout-test.xml
$ virsh start layout-test
$ virsh qemu-monitor-command layout-test --hmp info qtree | grep any_layout
any_layout = false
With that you can easily get the result that used to be true on Xenial.
Xenial = true
Bionic = true
C/D no more available
Eoan = false
Focal = false
** Also affects: qemu (Ubuntu Groovy)
Importance: Undecided
Status: New
** Also affects: libvirt (Ubuntu Groovy)
Importance: Undecided
Status: New
** Also affects: qemu (Ubuntu Focal)
Importance: Undecided
Status: New
** Also affects: libvirt (Ubuntu Focal)
Importance: Undecided
Status: New
** No longer affects: libvirt (Ubuntu Groovy)
** No longer affects: libvirt (Ubuntu Focal)
** Changed in: qemu (Ubuntu Focal)
Importance: Undecided => Medium
** Changed in: qemu (Ubuntu Groovy)
Importance: Undecided => Medium
** Changed in: qemu (Ubuntu)
Importance: Undecided => Medium
** Changed in: qemu (Ubuntu)
Status: New => Confirmed
** Changed in: qemu (Ubuntu Focal)
Status: New => Confirmed
** Changed in: qemu (Ubuntu Groovy)
Status: New => Confirmed
** Tags added: server-next
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You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1902654
Title:
failure to migrate virtual machines with pc-i440fx-wily type to ubuntu
20.04
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/1902654/+subscriptions
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