Public bug reported:

With Ubuntu 18.04 LTS, Qemu fails to boot up VM on the Azure. This works
with Ubuntu 18.04 LTS

The following is Qemu command parameter and fail log.

Command: qemu-system-x86_64 -cpu host -smp 2 -m 4096 -serial stdio -hda
/mnt/image.qcow2 -device e1000,netdev=net0,mac=e2:4c:6d:f0:c5:02 -netdev
user,id=net0,hostfwd=tcp::60024-:22 -enable-kvm -display none

Error
KVM: entry failed, hardware error 0xffffffff
RAX=00000000000606b0 RBX=ffffffff89642e40 RCX=0000000000000000 
RDX=0000000000000001
RSI=0000000000000000 RDI=00000000001606b0 RBP=ffffffff89403e30 
RSP=ffffffff89403e30
R8 =ffffffff89403d60 R9 =ffffffff89403d64 R10=ffff93387ffd5000 
R11=0000000000000001
R12=ffffffff8992c0a0 R13=ffffffff8992c040 R14=0000000000000283 
R15=0000000000000000
RIP=ffffffff87e457d9 RFL=00000046 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=0
ES =0000 0000000000000000 00000000 00000000
CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA]
SS =0000 0000000000000000 00000000 00000000
DS =0000 0000000000000000 00000000 00000000
FS =0000 0000000000000000 00000000 00000000
GS =0000 ffff93387ba00000 00000000 00000000
LDT=0000 0000000000000000 00000000 00000000
TR =0040 fffffe0000003000 0000206f 00008b00 DPL=0 TSS64-busy
GDT=     fffffe0000001000 0000007f
IDT=     fffffe0000000000 00000fff
CR0=80050033 CR2=00000000ffffffff CR3=0000000111a0a001 CR4=001606b0
DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 
DR3=0000000000000000
DR6=00000000ffff0ff0 DR7=0000000000000400
EFER=0000000000000d01
Code=00 66 2e 0f 1f 84 00 00 00 00 00 55 31 f6 48 89 e5 0f 22 e7 <e9> 1a 00 00 
00 48 8b 05 1b c0 3f 01 48 89 fa 81 e2 00 08 31 00 48 39 c2 75 27 48 85 f6 75

** Affects: broadcom-sta (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/2006538

Title:
  Qemu fail to boot up VM on the Azure with Ubuntu 18.04

Status in broadcom-sta package in Ubuntu:
  New

Bug description:
  With Ubuntu 18.04 LTS, Qemu fails to boot up VM on the Azure. This
  works with Ubuntu 18.04 LTS

  The following is Qemu command parameter and fail log.

  Command: qemu-system-x86_64 -cpu host -smp 2 -m 4096 -serial stdio
  -hda /mnt/image.qcow2 -device e1000,netdev=net0,mac=e2:4c:6d:f0:c5:02
  -netdev user,id=net0,hostfwd=tcp::60024-:22 -enable-kvm -display none

  Error
  KVM: entry failed, hardware error 0xffffffff
  RAX=00000000000606b0 RBX=ffffffff89642e40 RCX=0000000000000000 
RDX=0000000000000001
  RSI=0000000000000000 RDI=00000000001606b0 RBP=ffffffff89403e30 
RSP=ffffffff89403e30
  R8 =ffffffff89403d60 R9 =ffffffff89403d64 R10=ffff93387ffd5000 
R11=0000000000000001
  R12=ffffffff8992c0a0 R13=ffffffff8992c040 R14=0000000000000283 
R15=0000000000000000
  RIP=ffffffff87e457d9 RFL=00000046 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=0
  ES =0000 0000000000000000 00000000 00000000
  CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA]
  SS =0000 0000000000000000 00000000 00000000
  DS =0000 0000000000000000 00000000 00000000
  FS =0000 0000000000000000 00000000 00000000
  GS =0000 ffff93387ba00000 00000000 00000000
  LDT=0000 0000000000000000 00000000 00000000
  TR =0040 fffffe0000003000 0000206f 00008b00 DPL=0 TSS64-busy
  GDT=     fffffe0000001000 0000007f
  IDT=     fffffe0000000000 00000fff
  CR0=80050033 CR2=00000000ffffffff CR3=0000000111a0a001 CR4=001606b0
  DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 
DR3=0000000000000000
  DR6=00000000ffff0ff0 DR7=0000000000000400
  EFER=0000000000000d01
  Code=00 66 2e 0f 1f 84 00 00 00 00 00 55 31 f6 48 89 e5 0f 22 e7 <e9> 1a 00 
00 00 48 8b 05 1b c0 3f 01 48 89 fa 81 e2 00 08 31 00 48 39 c2 75 27 48 85 f6 75

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