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

James Page james.page at ubuntu.com
Thu Dec 21 13:33:32 UTC 2017


#9 is what nova passes to libvirt, #12 is what I get from a dumpxml from
libvirt for the resulting machine.

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

Status in Ubuntu Cloud Archive:
  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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