Why qemu-kvm is crashing with error "scsi_target_emulate_report_luns: Assertion `i == n + 8' failed"

Solution Verified - Updated -

Issue

  • The qemu-kvm is getting crashed with the error below if the VM is requesting a REPORT LUNS and if any of the disks were hot plugged/unplugged during the same time.
qemu-kvm: hw/scsi/scsi-bus.c:415: scsi_target_emulate_report_luns: Assertion `i == n + 8' failed.
2020-08-06 04:03:04.940+0000: shutting down, reason=crashed
  • The issue is observed in the backup vendor's agent VMs in RHV where there will be lot of disk hot plugging/unplugging happening while doing the backup of VMs.

Environment

  • Red Hat Virtualization 4.3.
  • Red Hat Enterprise Linux 7.8.

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Using a Red Hat product through a public cloud?

How to access this content