RHV VM pauses when running a specific application inside the guest that uses a direct lun with scsi passthrough enabled

Solution In Progress - Updated -

Issue

  • VM pauses when a specific software package is used within a guest.

  • The disk in question is a virtio-scsi direct lun with scsi passthrough enabled. 'Allow SCSI Privileged I/O' was also set, but to no avail.

Environment

  • Red Hat Virtualization (RHV) 4.4
  • Red Hat Enterprise Linux (RHEL) 8.3 host;
    • Red Hat Virtualization Hypervisor (RHVH) 4.4.4-1
      • libvirt-6.6.0-7.3.module+el8.3.0+9547+7d548
      • qemu-kvm-5.1.0-14.module+el8.3.0+8790+80f9c6d8.1.x86_64
      • vdsm-4.40.40-1.el8ev.x86_64
  • Red Hat Enterprise Linux (RHEL) 7.9 guest

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