You have been subscribed to a public bug by Brett Milford (brettmilford): 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 [Impact] * 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] 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. [Where problems could occur] * In the event of a regression the migration monitor may report an inconsistent state. ** Affects: cloud-archive Importance: Undecided Status: New ** Affects: cloud-archive/ussuri Importance: Undecided Assignee: Brett Milford (brettmilford) Status: New ** Affects: qemu (Ubuntu) Importance: Undecided Assignee: Brett Milford (brettmilford) Status: New ** Affects: qemu (Ubuntu Focal) Importance: Undecided Assignee: Brett Milford (brettmilford) Status: New ** Affects: qemu (Ubuntu Jammy) Importance: Undecided Assignee: Brett Milford (brettmilford) Status: New ** Affects: qemu (Ubuntu Kinetic) Importance: Undecided Assignee: Brett Milford (brettmilford) Status: New ** Tags: patch seg sru-needed sts -- [SRU] migration was active, but no RAM info was set https://bugs.launchpad.net/bugs/1994002 You received this bug notification because you are a member of SE SRU ("STS") Sponsors, which is subscribed to the bug report. -- Mailing list: https://launchpad.net/~sts-sponsors Post to : [email protected] Unsubscribe : https://launchpad.net/~sts-sponsors More help : https://help.launchpad.net/ListHelp

