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[Bug 1503777] Re: kvm guests "Segmentation fault (core dumped)"


core dump

** Attachment added: "_usr_bin_qemu-system-ppc64.1000.crash"

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  kvm guests "Segmentation fault (core dumped)"

Status in linux-lts-utopic package in Ubuntu:

Bug description:
  Upon trying to run the canonical-certification-server kvm test or
  running kvm manually, we get the following:

  ------  c-c-s kvm test ------

  Executing KVM Test
  WARNING:root:No config file found
  DEBUG:root:Starting KVM Test
  DEBUG:root:No image specified, downloading one now.
  DEBUG:root:Downloading trusty-server-cloudimg-ppc64el-disk1.img, from http://cloud-images.ubuntu.com
  DEBUG:root:Creating cloud user-data
  DEBUG:root:Creating cloud meta-data
  I: -input-charset not specified, using utf-8 (detected in locale settings)
  Total translation table size: 0
  Total rockridge attributes bytes: 331
  Total directory bytes: 0
  Path table size(bytes): 10
  Max brk space used 0
  183 extents written (0 MB)
  DEBUG:root:Attempting boot for:trusty-server-cloudimg-ppc64el-disk1.img
  DEBUG:root:Attaching Cloud config disk
  DEBUG:root:Using params:qemu-system-ppc64 -m 256 -display none -nographic -net nic -net user,net=,host=,hostfwd=tcp::2222-:22 -machine pseries -drive file=trusty-server-cloudimg-ppc64el-disk1.img,if=virtio -drive file=seed.iso,if=virtio
  INFO:root:Storing VM console output in /home/ubuntu/.cache/plainbox/sessions/pbox-un3897tq.session/CHECKBOX_DATA/virt_debug

  ------  manual ------

  ubuntu@powereight:~/kvm$ qemu-system-ppc64 -m 256 -display none -nographic -net nic -net user,net=,host=,hostfwd=tcp::2222-:22 -machine pseries -drive file=trusty-server-cloudimg-ppc64el-disk1.img,if=virtio -drive file=seed.iso,if=virtio
  Warning: Disabling some instructions which are not emulated by TCG (0x0, 0x4)
  Segmentation fault (core dumped)

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.16.0-50-generic 3.16.0-50.67~14.04.1
  ProcVersionSignature: User Name 3.16.0-50.67~14.04.1-generic 3.16.7-ckt16
  Uname: Linux 3.16.0-50-generic ppc64le
  ApportVersion: 2.14.1-0ubuntu3.15
  Architecture: ppc64el
  Date: Wed Oct  7 16:56:59 2015
   PATH=(custom, no user)
  SourcePackage: linux-lts-utopic
  UpgradeStatus: No upgrade log present (probably fresh install)

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