[Bug 1739585] Re: L2 guest failed to boot under nested KVM: entry failed, hardware error 0x0

Tue Jan 16 13:12:58 UTC 2018

Reconfirming that we are consistently hitting this bug:

https://paste.ubuntu.com/26397596/

Linux caipora 4.4.0-72-generic #93-Ubuntu SMP Fri Mar 31 14:07:41 UTC
2017 x86_64 x86_64 x86_64 GNU/Linux

processor       : 47
vendor_id       : GenuineIntel
cpu family      : 6
model           : 79
model name      : Intel(R) Xeon(R) CPU E5-2650 v4 @ 2.20GHz
stepping        : 1
microcode       : 0xb00001e
cpu MHz         : 1710.000
cache size      : 30720 KB
physical id     : 1
siblings        : 24
core id         : 13
cpu cores       : 12
apicid          : 59
initial apicid  : 59
fpu             : yes
fpu_exception   : yes
cpuid level     : 20
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf eagerfpu pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch epb intel_pt tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm cqm rdseed adx smap xsaveopt cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local dtherm ida arat pln pts
bugs            :
bogomips        : 4397.44
clflush size    : 64
cache_alignment : 64
address sizes   : 46 bits physical, 48 bits virtual
power management:

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https://bugs.launchpad.net/bugs/1739585

Title:
  L2 guest failed to boot under nested KVM: entry failed, hardware error
  0x0

Status in OpenStack Charm Test Infra:
  Confirmed
Status in Ubuntu Cloud Archive:
  Incomplete
Status in qemu package in Ubuntu:
  Incomplete

Bug description:
  During testing of the Queens b2 milestone, I see this particular error
  when the test cloud attempts to boot instances on specific hosts on
  our cloud.

  The base cloud is running:

    4.4.0-72-generic

  The test instance on the cloud saw the same issue with these kernels:

    4.10.0-42-generic
    4.4.0-97-generic

  I don't think we're seeing the same issue with pre-bionic versions of
  libvirt/qemu on these hosts.

  Error from libvirt qemu instance log:

  KVM: entry failed, hardware error 0x0
  EAX=00000000 EBX=00000000 ECX=00000000 EDX=000306d2
  ESI=00000000 EDI=00000000 EBP=00000000 ESP=00000000
  EIP=0000fff0 EFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0
  ES =0000 00000000 0000ffff 00009300
  CS =f000 ffff0000 0000ffff 00009b00
  SS =0000 00000000 0000ffff 00009300
  DS =0000 00000000 0000ffff 00009300
  FS =0000 00000000 0000ffff 00009300
  GS =0000 00000000 0000ffff 00009300
  LDT=0000 00000000 0000ffff 00008200
  TR =0000 00000000 0000ffff 00008b00
  GDT=     00000000 0000ffff
  IDT=     00000000 0000ffff
  CR0=60000010 CR2=00000000 CR3=00000000 CR4=00000000
  DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 
  DR6=00000000ffff0ff0 DR7=0000000000000400
  EFER=0000000000000000
  Code=ff ff 66 5b 66 83 c4 08 66 5b 66 5e 66 c3 cd 19 cb cd 18 cb <ea> 5b e0 00 f0 30 36 2f 32 33 2f 39 39 00 fc 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

  Error on host:

  [22353622.446568] nested_vmx_exit_handled failed vm entry 7

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: qemu-system-x86 1:2.10+dfsg-0ubuntu5~cloud0 [origin: Canonical]
  ProcVersionSignature: Ubuntu 4.10.0-42.46~16.04.1-generic 4.10.17
  Uname: Linux 4.10.0-42-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.14
  Architecture: amd64
  CrashDB:
   {
                  "impl": "launchpad",
                  "project": "cloud-archive",
                  "bug_pattern_url": "http://people.canonical.com/~ubuntu-archive/bugpatterns/bugpatterns.xml",
               }
  Date: Thu Dec 21 09:58:30 2017
  Ec2AMI: ami-00000259
  Ec2AMIManifest: FIXME
  Ec2AvailabilityZone: nova
  Ec2InstanceType: m1.medium
  Ec2Kernel: unavailable
  Ec2Ramdisk: unavailable
  KvmCmdLine: COMMAND         STAT  EUID  RUID   PID  PPID %CPU COMMAND
  Lsusb:
   Bus 001 Device 002: ID 0627:0001 Adomax Technology Co., Ltd 
   Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
  MachineType: OpenStack Foundation OpenStack Nova
  ProcEnviron:
   TERM=screen
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.10.0-42-generic root=UUID=d7006b2f-ace6-464d-8b21-17180b3ed360 ro console=tty1 console=ttyS0
  SourcePackage: qemu
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 04/01/2014
  dmi.bios.vendor: SeaBIOS
  dmi.bios.version: 1.10.1-1ubuntu1~cloud0
  dmi.chassis.type: 1
  dmi.chassis.vendor: QEMU
  dmi.chassis.version: pc-i440fx-zesty
  dmi.modalias: dmi:bvnSeaBIOS:bvr1.10.1-1ubuntu1~cloud0:bd04/01/2014:svnOpenStackFoundation:pnOpenStackNova:pvr15.0.7:cvnQEMU:ct1:cvrpc-i440fx-zesty:
  dmi.product.name: OpenStack Nova
  dmi.product.version: 15.0.7
  dmi.sys.vendor: OpenStack Foundation

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