[Bug 1994002] Update Released

[Corey Bryant]

The verification of the Stable Release Update for qemu has completed
successfully and the package has now been released to -updates. In the
event that you encounter a regression using the package from -updates
please report a new bug using ubuntu-bug and tag the bug report
regression-update so we can easily find any regressions.

** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2022-1050

** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2022-4144

** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2023-0330

-- 
You received this bug notification because you are a member of Ubuntu
OpenStack, which is subscribed to Ubuntu Cloud Archive.
https://bugs.launchpad.net/bugs/1994002

Title:
  [SRU] migration was active, but no RAM info was set

Status in Ubuntu Cloud Archive:
  Invalid
Status in Ubuntu Cloud Archive ussuri series:
  Fix Released
Status in qemu package in Ubuntu:
  Fix Released
Status in qemu source package in Bionic:
  Fix Released
Status in qemu source package in Focal:
  Fix Released
Status in qemu source package in Jammy:
  Fix Released
Status in qemu source package in Kinetic:
  Fix Released

Bug description:
  [Impact]

   * While live-migrating many instances concurrently, libvirt sometimes
  return `internal error: migration was active, but no RAM info was
  set:`

   * Effects of this bug are mostly observed in large scale clusters
  with a lot of live migration activity.

   * Has second order effects for consumers of migration monitor such as
  libvirt and openstack.

  [Test Case]

  Synthetic reproducer with GDB in comment #21.

  Steps to Reproduce:
  1. live evacuate a compute
  2. live migration of one or more instances fails with the above error

  N.B Due to the nature of this bug it is difficult consistently reproduce.
  In an environment where it has been observed it is estimated to occur approximately 1/1000 migrations.

  [Where problems could occur]
   * In the event of a regression the migration monitor may report an inconsistent state.

  [Original Bug Description]

  While live-migrating many instances concurrently, libvirt sometimes return internal error: migration was active, but no RAM info was set:
  ~~~
  2022-03-30 06:08:37.197 7 WARNING nova.virt.libvirt.driver [req-5c3296cf-88ee-4af6-ae6a-ddba99935e23 - - - - -] [instance: af339c99-1182-4489-b15c-21e52f50f724] Error monitoring migration: internal error: migration was active, but no RAM info was set: libvirt.libvirtError: internal error: migration was active, but no RAM info was set
  ~~~

  From upstream bug: https://bugzilla.redhat.com/show_bug.cgi?id=2074205

  [Other Information]
  Related bug: https://bugs.launchpad.net/nova/+bug/1982284

To manage notifications about this bug go to:
https://bugs.launchpad.net/cloud-archive/+bug/1994002/+subscriptions