Here's a backport for zesty's QEMU, tested with the 4.13.0-7.8 kernel
from ppa:canonical-kernel-team/unstable w/ the patch from Comment #10
applied.
** Changed in: qemu (Ubuntu)
Status: In Progress => Fix Released
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Matching subscriptions: Ubuntu 16.04 Bugs
https://bugs.launchpad.net/bugs/1710019
Title:
support GICv3 ITS save/restore & migration
Status in linux package in Ubuntu:
Triaged
Status in qemu package in Ubuntu:
Fix Released
Status in linux source package in Xenial:
Won't Fix
Status in qemu source package in Xenial:
Triaged
Status in linux source package in Zesty:
Triaged
Status in qemu source package in Zesty:
In Progress
Bug description:
[Impact]
Virtual machines on GICv3-based ARM systems cannot be saved/restored or
migrated.
This feature was added in QEMU 2.10.
[Test Case]
ubuntu@grotrian:~$ sudo virsh save 7936-0 7936-0.sav
Domain 7936-0 saved to 7936-0.sav
ubuntu@grotrian:~$ sudo virsh restore 7396-0.sav
error: Failed to restore domain from 7396-0.sav
error: operation failed: job: unexpectedly failed
ubuntu@grotrian:~$ sudo tail -3 /var/log/libvirt/qemu/7936-0.log
2017-08-10T21:26:38.217427Z qemu-system-aarch64: State blocked by
non-migratable device 'arm_gicv3_its'
2017-08-10T21:26:38.217565Z qemu-system-aarch64: load of migration failed:
Invalid argument
2017-08-10 21:26:38.217+0000: shutting down, reason=failed
[Regression Risk]
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