[Bug 1710019] Re: support GICv3 ITS save/restore & migration
Brian Murray
brian at ubuntu.com
Thu Nov 16 20:57:50 UTC 2017
Hello dann, or anyone else affected,
Accepted qemu into zesty-proposed. The package will build now and be
available at https://launchpad.net/ubuntu/+source/qemu/1:2.8+dfsg-
3ubuntu2.8 in a few hours, and then in the -proposed repository.
Please help us by testing this new package. See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.Your feedback will aid us getting this
update out to other Ubuntu users.
If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested and change the tag from
verification-needed-zesty to verification-done-zesty. If it does not fix
the bug for you, please add a comment stating that, and change the tag
to verification-failed-zesty. In either case, details of your testing
will help us make a better decision.
Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in
advance!
** Changed in: qemu (Ubuntu Zesty)
Status: In Progress => Fix Committed
** Tags added: verification-needed verification-needed-zesty
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https://bugs.launchpad.net/bugs/1710019
Title:
support GICv3 ITS save/restore & migration
Status in Ubuntu Cloud Archive:
New
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:
Won't Fix
Status in linux source package in Zesty:
In Progress
Status in qemu source package in Zesty:
Fix Committed
Status in linux source package in Artful:
In Progress
Status in qemu source package in Artful:
Fix Released
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 at grotrian:~$ sudo virsh save 7936-0 7936-0.sav
Domain 7936-0 saved to 7936-0.sav
ubuntu at grotrian:~$ sudo virsh restore 7396-0.sav
error: Failed to restore domain from 7396-0.sav
error: operation failed: job: unexpectedly failed
ubuntu at 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]
The kernel changes are restricted to ARM, minimizing the regression risk on other architectures. Other than one minor offset adjustment, all patches are clean cherry-picks from upstream. Tested on Cavium ThunderX and Qualcomm Centriq.
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