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[Joseph Salisbury <joseph.salisbury@xxxxxxxxxxxxx>]

It looks like there was a kernel oops.  Do you recall what you were
doing when this occurred?  Do you have a way to reproduce this bug?

** Tags added: kernel-da-key

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https://bugs.launchpad.net/bugs/1552668

Title:
  BUG: unable to handle kernel paging request at 00007f4cd3dac000

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  No idea what happened.

  ProblemType: KernelOops
  DistroRelease: Ubuntu 16.04
  Package: linux-image-4.4.0-9-generic 4.4.0-9.24
  ProcVersionSignature: Ubuntu 4.4.0-9.24-generic 4.4.3
  Uname: Linux 4.4.0-9-generic x86_64
  Annotation: Your system might become unstable now and might need to be restarted.
  ApportVersion: 2.20-0ubuntu3
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  daniel     2422 F.... pulseaudio
  Date: Thu Mar  3 12:32:55 2016
  DuplicateSignature: BUG: unable to handle kernel paging request at location RIP: 0010:location  location anon_vma_clone+0x99/0x200
  Failure: oops
  HibernationDevice: RESUME=UUID=9bc14055-971b-4ccc-a5b7-f42c3d313c8c
  InstallationDate: Installed on 2015-04-30 (307 days ago)
  InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
  MachineType: LENOVO 429149G
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-9-generic root=UUID=457973fc-512e-4b6a-b65b-85f15fa85b7b ro console=tty1 console=ttyS0 panic=-1
  PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
  RelatedPackageVersions: kerneloops-daemon 0.12+git20090217-3ubuntu9
  SourcePackage: linux
  SystemImageInfo: Error: command ['system-image-cli', '-i'] failed with exit code 2:
  Title: BUG: unable to handle kernel paging request at 00007f4cd3dac000
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 05/18/2011
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 8DET46WW (1.16 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 429149G
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Available
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvr8DET46WW(1.16):bd05/18/2011:svnLENOVO:pn429149G:pvrThinkPadX220:rvnLENOVO:rn429149G:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 429149G
  dmi.product.version: ThinkPad X220
  dmi.sys.vendor: LENOVO

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