Red Hat - Defect ID: RHEL-25995
Cross migration failed

Issue

Version-Release number of selected component (if applicable): Source: libvirt-daemon-9.5.0-7.el9_3.x86_64 qemu-kvm-8.0.0-16.el9_3.3.x86_64 Target: libvirt-10.0.0-3.el9.x86_64 qemu-kvm-8.2.0-5.el9.x86_64 How reproducible: 100% Steps to Reproduce: 1. check the guest inactive xml # virsh dumpxml a --inactive --xpath //cpu <cpu mode="host-model" check="partial"/> 2. check the guest migratable xml # virsh dumpxml a --migratable --xpath //cpu <cpu mode="custom" match="exact" check="full"> <model fallback="forbid">Icelake-Server</model> <vendor>Intel</vendor> <feature policy="require" name="ds"/> <feature policy="require" name="ss"/> <feature policy="require" name="dtes64"/> <feature policy="require" name="vmx"/> <feature policy="require" name="pdcm"/> <feature policy="require" name="hypervisor"/> <feature policy="require" name="tsc_adjust"/> <feature policy="require" name="avx512ifma"/> <feature policy="require" name="sha-ni"/> <feature policy="require" name="rdpid"/> <feature policy="require" name="fsrm"/> <feature policy="require" name="md-clear"/> <feature policy="require" name="stibp"/> <feature policy="require" name="flush-l1d"/> <feature policy="require" name="arch-capabilities"/> <feature policy="require" name="xsaves"/> <feature policy="require" name="ibpb"/> <feature policy="require" name="ibrs"/> <feature policy="require" name="amd-stibp"/> <feature policy="require" name="amd-ssbd"/> <feature policy="require" name="rdctl-no"/> <feature policy="require" name="ibrs-all"/> <feature policy="require" name="skip-l1dfl-vmentry"/> <feature policy="require" name="mds-no"/> <feature policy="require" name="pschange-mc-no"/> <feature policy="require" name="tsx-ctrl"/> <feature policy="require" name="fb-clear"/> <feature policy="disable" name="hle"/> <feature policy="disable" name="rtm"/> <feature policy="disable" name="mpx"/> <feature policy="disable" name="intel-pt"/> <feature policy="disable" name="pconfig"/> </cpu> 3. try to migrate guest # virsh migrate a qemu+ssh://$target_hostname/system --live --verbose --undefinesource --p2p 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-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-pat,vmx-entry-load-efer Expected result: Migration succeed Addtional info: Cross migrate from RHEL8.10 to RHEL9.4 also failed

Release Notes

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Resolution

Done-Errata