I set up a Xenial on arm64.
I created a working guest like:
<domain type='kvm' id='1'>
<name>b1</name>
<uuid>1f776433-dc84-43ac-9e60-b8e571ae22ff</uuid>
<metadata>
<uvt:ssh_known_hosts
xmlns:uvt="https://launchpad.net/uvtool/libvirt/1";>ssh-rsa
AAAAB3NzaC1yc2EAAAADAQABAAABAQCWcGghaCsAwBh0VauPNnnRshKfGD6uXqHEQb9djUlSQ/wKjgNCemAamaVTZjHJoT+Q5whAtv0SkRc6Vj9mlODBtBeBPqZS00HbM1TqH6HkX44SG52IhO9zVnNU1uc6SanhCqd7mEuz5PpWnTWl1zzXJnaFJUKf25gTOdms85jBKEx2hyL6YBSuACVN6nmhhPGlpq1IAyzz4wK9WdYjYHkHtJubvqRu/6eXZOoQRcf3RciHC4Monicq2d95H9qTD7mZpyk/LwA3gFXbsVzzL5o4o0k0WdrUq9Ic+Dt81AjzhakQrcdTLwhh6Pv7cDFLMpLkgYsSaq7fHbNY0nFJRZMZ
root@localhost
ssh-dss
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
root@localhost
ecdsa-sha2-nistp256
AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBPA6IYS9nG9a2J04SE5cueII8NQDJgqfVxYapr9lAU12GJUQ2MIRVXlHkoWXRn5B+RzfdAxncdjQ2eiZS5tSNdQ=
root@localhost
ssh-ed25519
AAAAC3NzaC1lZDI1NTE5AAAAIK8YgP8eYAJTSTVhEh0NVBFCyT2JZPLbUQ6DV8q6HKmA
root@localhost
</uvt:ssh_known_hosts>
</metadata>
<memory unit='KiB'>524288</memory>
<currentMemory unit='KiB'>524288</currentMemory>
<vcpu placement='static'>1</vcpu>
<resource>
<partition>/machine</partition>
</resource>
<os>
<type arch='aarch64' machine='virt'>hvm</type>
<loader readonly='yes' type='pflash'>/usr/share/AAVMF/AAVMF_CODE.fd</loader>
<nvram
template='/usr/share/AAVMF/AAVMF_CODE.fd'>/var/lib/libvirt/qemu/nvram/b1_VARS.fd</nvram>
<boot dev='hd'/>
</os>
<features>
<acpi/>
<apic/>
<pae/>
<gic version='3'/>
</features>
<cpu mode='custom' match='exact'>
<model fallback='allow'>host</model>
</cpu>
<clock offset='utc'/>
<on_poweroff>destroy</on_poweroff>
<on_reboot>restart</on_reboot>
<on_crash>destroy</on_crash>
<devices>
<emulator>/usr/bin/kvm</emulator>
<disk type='file' device='disk'>
<driver name='qemu' type='qcow2'/>
<source file='/var/lib/uvtool/libvirt/images/b1.qcow'/>
<backingStore type='file' index='1'>
<format type='qcow2'/>
<source
file='/var/lib/uvtool/libvirt/images/x-uvt-b64-Y29tLnVidW50dS5jbG91ZC5kYWlseTpzZXJ2ZXI6MTguMDQ6YXJtNjQgMjAxODA1MTg='/>
<backingStore/>
</backingStore>
<target dev='vda' bus='virtio'/>
<alias name='virtio-disk0'/>
<address type='virtio-mmio'/>
</disk>
<disk type='file' device='disk'>
<driver name='qemu' type='qcow2'/>
<source file='/var/lib/uvtool/libvirt/images/b1-ds.qcow'/>
<backingStore/>
<target dev='vdb' bus='virtio'/>
<alias name='virtio-disk1'/>
<address type='virtio-mmio'/>
</disk>
<controller type='pci' index='0' model='pcie-root'>
<alias name='pcie.0'/>
</controller>
<controller type='pci' index='1' model='dmi-to-pci-bridge'>
<model name='i82801b11-bridge'/>
<alias name='pci.1'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x01'
function='0x0'/>
</controller>
<controller type='pci' index='2' model='pci-bridge'>
<model name='pci-bridge'/>
<target chassisNr='2'/>
<alias name='pci.2'/>
<address type='pci' domain='0x0000' bus='0x01' slot='0x01'
function='0x0'/>
</controller>
<interface type='network'>
<mac address='52:54:00:d4:69:79'/>
<source network='default' bridge='virbr0'/>
<target dev='vnet0'/>
<model type='virtio'/>
<alias name='net0'/>
<address type='virtio-mmio'/>
</interface>
<serial type='pty'>
<source path='/dev/pts/1'/>
<target port='0'/>
<alias name='serial0'/>
</serial>
<console type='pty' tty='/dev/pts/1'>
<source path='/dev/pts/1'/>
<target type='serial' port='0'/>
<alias name='serial0'/>
</console>
</devices>
<seclabel type='dynamic' model='apparmor' relabel='yes'>
<label>libvirt-1f776433-dc84-43ac-9e60-b8e571ae22ff</label>
<imagelabel>libvirt-1f776433-dc84-43ac-9e60-b8e571ae22ff</imagelabel>
</seclabel>
</domain>
This is with
ii libvirt-bin 1.3.1-1ubuntu10.23 arm64 programs for
the libvirt library
ii libvirt0:arm64 1.3.1-1ubuntu10.23 arm64 library for
interfacing with different virtualization systems
ii qemu-block-extra:arm64 1:2.5+dfsg-5ubuntu10.29 arm64 extra block
backend modules for qemu-system and qemu-utils
ii qemu-efi 0~20160408.ffea0a2c-2 all UEFI firmware
for virtual machines
ii qemu-kvm 1:2.5+dfsg-5ubuntu10.29 arm64 QEMU Full
virtualization
ii qemu-system-arm 1:2.5+dfsg-5ubuntu10.29 arm64 QEMU full
system emulation binaries (arm)
ii qemu-system-common 1:2.5+dfsg-5ubuntu10.29 arm64 QEMU full
system emulation binaries (common files)
ii qemu-utils 1:2.5+dfsg-5ubuntu10.29 arm64 QEMU utilities
This works just fine for me, so lets try to find what exactly is different in
your case.
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https://bugs.launchpad.net/bugs/1772538
Title:
Can't start arm64 VM due to apparmor error.
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