Hi, can you please provide versions of the non-upgraded hosts, of the upgraded hosts  (I'm assuming you are using oVirt Node, if not, please provide the reports form `sos report -o rpm
`) and of the engine?

Il giorno mar 25 gen 2022 alle ore 02:49 Gunasekhar Kothapalli via Users <users@ovirt.org> ha scritto:

I am able to power on vms on newly upgraded host, But not able to migrate VMs from other
hosts to new host or newly upgraded hosts to other hosts. This was worked fine before
upgraded.

Host logs
==============================================================================
Unable to read from monitor: Connection reset by peer
internal error: qemu unexpectedly closed the monitor: 2022-01-24T17:51:46.598571Z
qemu-kvm: get_pci_config_device: Bad config >
2022-01-24T17:51:46.598627Z qemu-kvm: Failed to load PCIDevice:config
2022-01-24T17:51:46.598635Z qemu-kvm: Failed to load
pcie-root-port:parent_obj.parent_obj.parent_obj
2022-01-24T17:51:46.598642Z qemu-kvm: error while loading state for instance 0x0 of device
'0000:00:02.0/pcie-root-port'
2022-01-24T17:51:46.598830Z qemu-kvm: load of migration failed: Invalid argument
Guest agent is not responding: QEMU guest agent is not connected
Guest agent is not responding: QEMU guest agent is not connected
Guest agent is not responding: QEMU guest agent is not connected

Engine Logs
===========================================================

2022-01-24 11:31:25,080-07 INFO  [org.ovirt.engine.core.vdsbroker.monitoring.VmAnalyzer] (ForkJoinPool-1-worker-21) [] Adding VM '9838c44b-710f-407a-b775-56bb0a3d4221'(zzz2019) to re-run list
2022-01-24 11:31:25,099-07 ERROR [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (EE-ManagedThreadFactory-engine-Thread-2331914) [] EVENT_ID: VM_MIGRATION_TO_SERVER_FAILED(120), Migration failed due to an Error: Fatal error during migration (VM: zzz2019, Source: lcoskvmp07.cos.is.keysight.com, Destination: lcoskvmp03.cos.is.keysight.com).
2022-01-24 18:39:47,897-07 INFO  [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (default task-771) [a78e85d4-068a-41c1-a8fa-b3acd8c69317] EVENT_ID: VM_MIGRATION_START(62), Migration started (VM: zzz2019, Source: lcoskvmp07.cos.is.keysight.com, Destination: lcoskvmp03.cos.is.keysight.com, User: k.gunasekhar@non.keysight.com@KEYSIGHT).
2022-01-24 18:40:01,417-07 INFO  [org.ovirt.engine.core.vdsbroker.monitoring.VmAnalyzer] (ForkJoinPool-1-worker-27) [] VM '9838c44b-710f-407a-b775-56bb0a3d4221'(zzz2019) was unexpectedly detected as 'Down' on VDS 'ee23b44d-976d-4889-8769-59b56e4b23c0'(lcoskvmp03.cos.is.keysight.com) (expected on '0d58953f-b3cc-4bac-b3b2-08baeeee1bca')
2022-01-24 18:40:01,589-07 INFO  [org.ovirt.engine.core.vdsbroker.monitoring.VmAnalyzer] (ForkJoinPool-1-worker-27) [] VM '9838c44b-710f-407a-b775-56bb0a3d4221'(zzz2019) was unexpectedly detected as 'Down' on VDS 'ee23b44d-976d-4889-8769-59b56e4b23c0'(lcoskvmp03.cos.is.keysight.com) (expected on '0d58953f-b3cc-4bac-b3b2-08baeeee1bca')
2022-01-24 18:40:01,589-07 ERROR [org.ovirt.engine.core.vdsbroker.monitoring.VmAnalyzer] (ForkJoinPool-1-worker-27) [] Migration of VM 'zzz2019' to host 'lcoskvmp03.cos.is.keysight.com' failed: VM destroyed during the startup.
2022-01-24 18:40:01,591-07 INFO  [org.ovirt.engine.core.vdsbroker.monitoring.VmAnalyzer] (ForkJoinPool-1-worker-17) [] VM '9838c44b-710f-407a-b775-56bb0a3d4221'(zzz2019) moved from 'MigratingFrom' --> 'Up'
2022-01-24 18:40:01,591-07 INFO  [org.ovirt.engine.core.vdsbroker.monitoring.VmAnalyzer] (ForkJoinPool-1-worker-17) [] Adding VM '9838c44b-710f-407a-b775-56bb0a3d4221'(zzz2019) to re-run list
2022-01-24 18:40:01,611-07 ERROR [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (EE-ManagedThreadFactory-engine-Thread-2348837) [] EVENT_ID: VM_MIGRATION_TO_SERVER_FAILED(120), Migration failed due to an Error: Fatal error during migration (VM: zzz2019, Source: lcoskvmp07.cos.is.keysight.com, Destination: lcoskvmp03.cos.is.keysight.com).
[root@lcosovirt02 ovirt-engine]#
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