KVM: entry failed, hardware error 0x80000021

Solution In Progress - Updated -

Issue

  • VM crashed with the following in /var/log/libvirt/qemu/vm_name.log
KVM: entry failed, hardware error 0x80000021

If you're running a guest on an Intel machine without unrestricted mode
support, the failure can be most likely due to the guest entering an invalid
state for Intel VT. For example, the guest maybe running in big real mode
which is not supported on less recent Intel processors.

EAX=0a1ce7a0 EBX=00000001 ECX=00000000 EDX=000000a0
ESI=00000000 EDI=c9080180 EBP=fa06ef50 ESP=fa06eed0
EIP=00008000 EFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=1 HLT=0
ES =0000 00000000 ffffffff 00809300
CS =7d00 7ff7d000 ffffffff 00809300
SS =0000 00000000 ffffffff 00809300
DS =0000 00000000 ffffffff 00809300
FS =0000 00000000 ffffffff 00809300
GS =0000 00000000 ffffffff 00809300
LDT=0000 00000000 000fffff 00000000
TR =0040 c9094000 00000067 00008b00
GDT=     c9095fb0 00000057
IDT=     00000000 00000000
CR0=00050032 CR2=d1337000 CR3=001ad000 CR4=00000000
DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000
DR6=00000000ffff0ff0 DR7=0000000000000400
EFER=0000000000000000
Code=qemu-kvm: /builddir/build/BUILD/qemu-5.1.0/include/hw/core/cpu.h:655: cpu_asidx_from_attrs: Assertion `ret < cpu->num_ases && ret >= 0' failed.
2021-01-26 23:00:22.921+0000: shutting down, reason=crashed
  • VM has lost connection with qemu process:
2021-01-27 09:00:24,440+10 ERROR [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (ForkJoinPool-1-worker-3) [] EVENT_ID: VM_DOWN_ERROR(119), VM AB-XYZ-123 is down with error. Exit message: Lost connection with qemu process.

Environment

  • RHV 4.4

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