I assume this is:
commit b92382620e33c9f1bcbcd7c169262b9bf0525871
KVM: arm/arm64: vgic-its: Fix return value for device table restore
And some more patches around it.
Ok, so this gets into 4.14, which will only be available for Bionic and as HWE
for Xenial.
For Qemu as you stated changes are in 2.10.
So that means that:
- The zesty Bug Task become Bionic?
- Then the tasks for Bionic are
- Kernel: waiting on 4.14, then "Fix released"
- Qemu: already on 2.10 => so "Fix Released" now
- The tasks for Xenial will be
- KERNEL: a) waiting for HWE >=4.14 to arrive on Xenial
- KERNEL: b) Backport changes into 4.4.x kernel
- Qemu: a) you backport your patch in c #15 to Xenial and we both test for
SRU?
- Qemu: b) Only meant to work with UCA-Pike (if unreasonable backport
size/risk), so
"won't fix" on that task
That is a massive change in status/targets, so please please ack/comment before
I do so.
Or do you get the kernel changes into more Ubuntu releases?
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https://bugs.launchpad.net/bugs/1710019
Title:
support GICv3 ITS save/restore & migration
Status in linux package in Ubuntu:
In Progress
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:
In Progress
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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https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1710019/+subscriptions
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