Created attachment 1743170 [details]
describe_rhel8-deep-anglerfish

Created attachment 1743171 [details]
openshift-cnv_rhel8-deep-anglerfish.xml

Created attachment 1743173 [details]
pv-disk-nfs-rhel.yaml

Created attachment 1743174 [details]
pv-dv-nfs-rhel.yaml

Created attachment 1743175 [details]
rhel8.yaml

Kubevirt should block the creation of vm with sata disk and iothreads since it not supported 
right now the user is getting the error from libvirt and not from kuvevirt.
Libvirt error message:
Message:               server error. command SyncVMI failed: "LibvirtError(Code=67, Domain=10, Message='unsupported configuration: IOThreads not available for bus sata target sda')"

Step:
1. Create vm with disk bus: sata and ioThreadsPolicy: shared , see vm spec
2. Start vm

Test with UI Results: 
server error. command SyncVMI failed: "LibvirtError(Code=67, Domain=10, Message='unsupported configuration: IOThreads not available for bus sata target sda')"


vm spec:
apiVersion: kubevirt.io/v1
kind: VirtualMachine
metadata:
  annotations:
    kubemacpool.io/transaction-timestamp: '2021-05-26T16:58:22.440434961Z'
    kubevirt.io/latest-observed-api-version: v1
    kubevirt.io/storage-observed-api-version: v1alpha3
    name.os.template.kubevirt.io/fedora34: Fedora 32 or higher
    vm.kubevirt.io/validations: |
      [
        {
          "name": "minimal-required-memory",
          "path": "jsonpath::.spec.domain.resources.requests.memory",
          "rule": "integer",
          "message": "This VM requires more memory.",
          "min": 1073741824
        }
      ]
  resourceVersion: '1674283'
  name: fed-iotest
  uid: f367ba69-c16e-4224-b098-e20d1e9aeabd
  creationTimestamp: '2021-05-26T16:48:08Z'
  generation: 6
  managedFields:
    - apiVersion: kubevirt.io/v1
      fieldsType: FieldsV1
      fieldsV1:
        'f:metadata':
          'f:annotations':
            .: {}
            'f:name.os.template.kubevirt.io/fedora34': {}
            'f:vm.kubevirt.io/validations': {}
          'f:labels':
            'f:vm.kubevirt.io/template.version': {}
            'f:vm.kubevirt.io/template.namespace': {}
            'f:app': {}
            .: {}
            'f:vm.kubevirt.io/template.revision': {}
            'f:workload.template.kubevirt.io/server': {}
            'f:flavor.template.kubevirt.io/small': {}
            'f:os.template.kubevirt.io/fedora34': {}
            'f:vm.kubevirt.io/template': {}
        'f:spec':
          .: {}
          'f:dataVolumeTemplates': {}
          'f:template':
            .: {}
            'f:metadata':
              .: {}
              'f:annotations': {}
              'f:labels': {}
            'f:spec':
              .: {}
              'f:domain':
                .: {}
                'f:cpu':
                  .: {}
                  'f:cores': {}
                  'f:sockets': {}
                  'f:threads': {}
                'f:devices':
                  .: {}
                  'f:disks': {}
                  'f:interfaces': {}
                  'f:networkInterfaceMultiqueue': {}
                  'f:rng': {}
                'f:ioThreadsPolicy': {}
                'f:machine':
                  .: {}
                  'f:type': {}
                'f:resources':
                  .: {}
                  'f:requests':
                    .: {}
                    'f:memory': {}
              'f:evictionStrategy': {}
              'f:hostname': {}
              'f:networks': {}
              'f:terminationGracePeriodSeconds': {}
              'f:volumes': {}
      manager: Mozilla
      operation: Update
      time: '2021-05-26T16:56:05Z'
    - apiVersion: kubevirt.io/v1alpha3
      fieldsType: FieldsV1
      fieldsV1:
        'f:spec':
          'f:running': {}
      manager: virt-api
      operation: Update
      time: '2021-05-26T16:56:14Z'
    - apiVersion: kubevirt.io/v1alpha3
      fieldsType: FieldsV1
      fieldsV1:
        'f:metadata':
          'f:annotations':
            'f:kubevirt.io/latest-observed-api-version': {}
            'f:kubevirt.io/storage-observed-api-version': {}
        'f:status':
          .: {}
          'f:created': {}
          'f:volumeSnapshotStatuses': {}
      manager: virt-controller
      operation: Update
      time: '2021-05-26T16:58:22Z'
  namespace: default
  finalizers:
    - k8s.v1.cni.cncf.io/kubeMacPool
  labels:
    app: fed-iotest
    flavor.template.kubevirt.io/small: 'true'
    os.template.kubevirt.io/fedora34: 'true'
    vm.kubevirt.io/template: fedora-server-small
    vm.kubevirt.io/template.namespace: openshift
    vm.kubevirt.io/template.revision: '1'
    vm.kubevirt.io/template.version: v0.14.0
    workload.template.kubevirt.io/server: 'true'
spec:
  dataVolumeTemplates:
    - metadata:
        creationTimestamp: null
        name: fed-iotest-rootdisk-smmhx
      spec:
        pvc:
          accessModes:
            - ReadWriteOnce
          resources:
            requests:
              storage: 30Gi
          storageClassName: hostpath-provisioner
          volumeMode: Filesystem
        source:
          http:
            url: >-
             <URL to image>
  running: true
  template:
    metadata:
      annotations:
        vm.kubevirt.io/flavor: small
        vm.kubevirt.io/os: fedora
        vm.kubevirt.io/workload: server
      creationTimestamp: null
      labels:
        flavor.template.kubevirt.io/small: 'true'
        kubevirt.io/domain: fed-iotest
        kubevirt.io/size: small
        os.template.kubevirt.io/fedora34: 'true'
        vm.kubevirt.io/name: fed-iotest
        workload.template.kubevirt.io/server: 'true'
    spec:
      domain:
        cpu:
          cores: 1
          sockets: 1
          threads: 1
        devices:
          disks:
            - disk:
                bus: virtio
              name: cloudinitdisk
            - bootOrder: 1
              disk:
                bus: sata
              name: rootdisk
          interfaces:
            - macAddress: '02:1f:8c:00:00:09'
              masquerade: {}
              model: virtio
              name: default
          networkInterfaceMultiqueue: true
          rng: {}
        ioThreadsPolicy: shared
        machine:
          type: pc-q35-rhel8.4.0
        resources:
          requests:
            memory: 2Gi
      evictionStrategy: LiveMigrate
      hostname: fed-iotest
      networks:
        - name: default
          pod: {}
      terminationGracePeriodSeconds: 180
      volumes:
        - cloudInitNoCloud:
            userData: |
              #cloud-config
              user: fedora
              password: tblx-ebq9-ftbx
              chpasswd:
                expire: false
          name: cloudinitdisk
        - dataVolume:
            name: fed-iotest-rootdisk-smmhx
          name: rootdisk
status:
  created: true
  volumeSnapshotStatuses:
    - enabled: false
      name: cloudinitdisk
      reason: Volume type has no StorageClass defined
    - enabled: false
      name: rootdisk
      reason: >-
        No VolumeSnapshotClass: Volume snapshots are not configured for this
        StorageClass [hostpath-provisioner] [rootdisk]

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory (Moderate: OpenShift Virtualization 4.8.0 Images), and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHSA-2021:2920