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[Brad Figg <brad.figg@xxxxxxxxxxxxx>]

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** Changed in: linux (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1548984

Title:
  BUG: unable to handle kernel NULL pointer dereference at
  000000000000005c

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  System working fine until latest update

  ProblemType: KernelOops
  DistroRelease: Ubuntu 16.04
  Package: linux-image-4.4.0-7-generic 4.4.0-7.22
  ProcVersionSignature: Ubuntu 4.4.0-7.22-generic 4.4.2
  Uname: Linux 4.4.0-7-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/controlC1:  whb        1779 F.... pulseaudio
   /dev/snd/controlC0:  whb        1779 F.... pulseaudio
  Date: Tue Feb 23 10:21:11 2016
  DuplicateSignature: BUG: unable to handle kernel NULL pointer dereference at location RIP: 0010:location  location radeon_pm_set_clocks+0x270/0x590 [radeon]
  Failure: oops
  HibernationDevice: RESUME=UUID=9d2bcb15-ad11-46ff-92b5-9f8ecdc94132
  InstallationDate: Installed on 2016-01-10 (44 days ago)
  InstallationMedia: Ubuntu-MATE 16.04 LTS "Xenial Xerus" - Alpha amd64 (20160103)
  IwConfig:
   enp4s0    no wireless extensions.
   
   lo        no wireless extensions.
  MachineType: Dell Inc. Precision WorkStation T3400
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-7-generic root=UUID=bfefefbf-f125-46ce-845b-22a16f9d3520 ro recovery nomodeset
  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
  RfKill:
   
  SourcePackage: linux
  Title: BUG: unable to handle kernel NULL pointer dereference at 000000000000005c
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 04/30/2012
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A14
  dmi.board.name: 0TP412
  dmi.board.vendor: Dell Inc.
  dmi.chassis.type: 7
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA14:bd04/30/2012:svnDellInc.:pnPrecisionWorkStationT3400:pvr:rvnDellInc.:rn0TP412:rvr:cvnDellInc.:ct7:cvr:
  dmi.product.name: Precision WorkStation T3400
  dmi.sys.vendor: Dell Inc.

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