[Bug 1875012] [NEW] KVM internal error. Suberror: 1 -- emulation failure

[Juerg Haefliger]

Public bug reported:

Trying to boot a core20 amd64 image on an amd64 Eoan or Focal host via
libvirt leads to:

KVM internal error. Suberror: 1
emulation failure
RAX=0000000000000000 RBX=000000003bdcd5c0 RCX=000000003ff1d030 
RDX=00000000000019a0
RSI=00000000000000ff RDI=000000003bd73ee0 RBP=000000003bd73e40 
RSP=000000003ff1d1f8
R8 =000000003df52168 R9 =0000000000000000 R10=ffffffffffffffff 
R11=000000003bd44c40
R12=000000003bd76500 R13=000000003bd73e00 R14=0000000000020002 
R15=000000003df4b483
RIP=00000000000b0000 RFL=00210246 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=0
ES =0030 0000000000000000 ffffffff 00c09300 DPL=0 DS   [-WA]
CS =0038 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA]
SS =0030 0000000000000000 ffffffff 00c09300 DPL=0 DS   [-WA]
DS =0030 0000000000000000 ffffffff 00c09300 DPL=0 DS   [-WA]
FS =0030 0000000000000000 ffffffff 00c09300 DPL=0 DS   [-WA]
GS =0030 0000000000000000 ffffffff 00c09300 DPL=0 DS   [-WA]
LDT=0000 0000000000000000 0000ffff 00008200 DPL=0 LDT
TR =0000 0000000000000000 0000ffff 00008b00 DPL=0 TSS64-busy
GDT=     000000003fbee698 00000047
IDT=     000000003f2d8018 00000fff
CR0=80010033 CR2=0000000000000000 CR3=000000003fc01000 CR4=00000668
DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 
DR3=0000000000000000 
DR6=00000000ffff0ff0 DR7=0000000000000400
EFER=0000000000000d00
Code=00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <ff> ff ff ff 
ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff

** Affects: qemu (Ubuntu)
     Importance: Undecided
         Status: New

** Affects: qemu (Ubuntu Eoan)
     Importance: Undecided
         Status: New

** Affects: qemu (Ubuntu Focal)
     Importance: Undecided
         Status: New

** Also affects: qemu (Ubuntu)
   Importance: Undecided
       Status: New

** No longer affects: qemu

** Also affects: qemu (Ubuntu Focal)
   Importance: Undecided
       Status: New

** Also affects: qemu (Ubuntu Eoan)
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1875012

Title:
  KVM internal error. Suberror: 1 -- emulation failure

Status in qemu package in Ubuntu:
  New
Status in qemu source package in Eoan:
  New
Status in qemu source package in Focal:
  New

Bug description:
  Trying to boot a core20 amd64 image on an amd64 Eoan or Focal host via
  libvirt leads to:

  KVM internal error. Suberror: 1
  emulation failure
  RAX=0000000000000000 RBX=000000003bdcd5c0 RCX=000000003ff1d030 
RDX=00000000000019a0
  RSI=00000000000000ff RDI=000000003bd73ee0 RBP=000000003bd73e40 
RSP=000000003ff1d1f8
  R8 =000000003df52168 R9 =0000000000000000 R10=ffffffffffffffff 
R11=000000003bd44c40
  R12=000000003bd76500 R13=000000003bd73e00 R14=0000000000020002 
R15=000000003df4b483
  RIP=00000000000b0000 RFL=00210246 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=0
  ES =0030 0000000000000000 ffffffff 00c09300 DPL=0 DS   [-WA]
  CS =0038 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA]
  SS =0030 0000000000000000 ffffffff 00c09300 DPL=0 DS   [-WA]
  DS =0030 0000000000000000 ffffffff 00c09300 DPL=0 DS   [-WA]
  FS =0030 0000000000000000 ffffffff 00c09300 DPL=0 DS   [-WA]
  GS =0030 0000000000000000 ffffffff 00c09300 DPL=0 DS   [-WA]
  LDT=0000 0000000000000000 0000ffff 00008200 DPL=0 LDT
  TR =0000 0000000000000000 0000ffff 00008b00 DPL=0 TSS64-busy
  GDT=     000000003fbee698 00000047
  IDT=     000000003f2d8018 00000fff
  CR0=80010033 CR2=0000000000000000 CR3=000000003fc01000 CR4=00000668
  DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 
DR3=0000000000000000 
  DR6=00000000ffff0ff0 DR7=0000000000000400
  EFER=0000000000000d00
  Code=00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <ff> ff ff 
ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff

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