Live migration fails (missing vmx features)

[Sergio Durigan Junior]

Upstream counterpart: https://gitlab.com/libvirt/libvirt/-/issues/568

Upstream thread that introduced the problem: https://<email address hidden>/thread/XRPCZKKRNH7SW7AH2GOVHGKLLHDUGVOM/#DGJYW7VWLMJHYZOSVPXIGNSH3KACJMMR

Live migration fails when trying to migrate from libvirt < 9.10 to anything newer. We currently have libvirt 10.0 on noble-proposed, which is also affected by this problem. The following error happens when attempting the live migration:

error: operation failed: guest CPU doesn't match specification: extra features:
vmx-ins-outs,vmx-true-ctls,vmx-store-lma,vmx-activity-hlt,vmx-vmwrite-vmexit-fields,vmx-apicv-xapic,vmx-ept,vmx-desc-exit,vmx-rdtscp-exit,vmx-apicv-x2apic,vmx-vpid,vmx-wbinvd-exit,vmx-unrestricted-guest,vmx-apicv-register,vmx-apicv-vid,vmx-rdrand-exit,vmx-invpcid-exit,vmx-vmfunc,vmx-shadow-vmcs,vmx-invvpid,vmx-invvpid-single-addr,vmx-invvpid-all-context,vmx-ept-execonly,vmx-page-walk-4,vmx-ept-2mb,vmx-ept-1gb,vmx-invept,vmx-eptad,vmx-invept-single-context,vmx-invept-all-context,vmx-intr-exit,vmx-nmi-exit,vmx-vnmi,vmx-preemption-timer,vmx-posted-intr,vmx-vintr-pending,vmx-tsc-offset,vmx-hlt-exit,vmx-invlpg-exit,vmx-mwait-exit,vmx-rdpmc-exit,vmx-rdtsc-exit,vmx-cr3-load-noexit,vmx-cr3-store-noexit,vmx-cr8-load-exit,vmx-cr8-store-exit,vmx-flexpriority,vmx-vnmi-pending,vmx-movdr-exit,vmx-io-exit,vmx-io-bitmap,vmx-mtf,vmx-msr-bitmap,vmx-monitor-exit,vmx-pause-exit,vmx-secondary-ctls,vmx-exit-nosave-debugctl,vmx-exit-load-perf-global-ctrl,vmx-exit-ack-intr,vmx-exit-save-pat,vmx-exit-load-pat,vmx-exit-save-efer,vmx-exit-load-efer,vmx-exit-save-preemption-timer,vmx-entry-noload-debugctl,vmx-entry-ia32e-mode,vmx-entry-load-perf-global-ctrl,vmx-entry-load-pat,vmx-entry-load-efer,vmx-eptp-switching

[Launchpad Janitor (janitor)]

This bug was fixed in the package libvirt - 10.0.0-2ubuntu7

---------------
libvirt (10.0.0-2ubuntu7) noble; urgency=medium

  * No-change rebuild for CVE-2024-3094

 -- Steve Langasek <email address hidden> Sun, 31 Mar 2024 02:19:57 +0000