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[Brad Figg <brad.figg@xxxxxxxxxxxxx>]

This change was made by a bot.

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

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https://bugs.launchpad.net/bugs/1435584

Title:
  Randomly freezing display HP Zbook 15 G2 AMD FirePro M5100

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  Running  kernel on Ubuntu 14.04.2.

  At random times, (especially when touching the touchpad after not
  touching it for a period of time), the display goes black !

  Using QHD display resolution : 3200x1800

  More information about hardware can be found here:

  https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1434963

  Otherwise 14.04.2 runs fine / perfectly on this brand-new machine.

  It also seems to happen after the system had been successfully
  recovered from suspending.

  Also, it one time, just wanted to switch on to resume, and the whole
  display went 'disco', meaning, it was flashing wildly, recovery
  impossible...

  Any help would be greatly appreciated, since HP claims they 'support' 14.04 on this Workstation.
  --- 
  ApportVersion: 2.14.1-0ubuntu3.7
  Architecture: amd64
  CurrentDesktop: Unity
  DistroRelease: Ubuntu 14.04
  InstallationDate: Installed on 2015-03-21 (2 days ago)
  InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
  Package: linux (not installed)
  Tags:  trusty
  Uname: Linux 4.0.0-040000rc5-generic x86_64
  UnreportableReason: The running kernel is not an Ubuntu kernel
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  --- 
  ApportVersion: 2.14.1-0ubuntu3.7
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  eric       1540 F.... pulseaudio
   /dev/snd/controlC1:  eric       1540 F.... pulseaudio
  CurrentDesktop: Unity
  DistroRelease: Ubuntu 14.04
  HibernationDevice: RESUME=UUID=5565fff9-d47c-465c-9ef6-7bb37610caca
  InstallationDate: Installed on 2015-03-21 (2 days ago)
  InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
  MachineType: Hewlett-Packard HP ZBook 15 G2
  Package: linux (not installed)
  ProcFB: 0 radeondrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-31-generic root=UUID=81792a20-09a6-47d9-be7f-0a6de44a41dd ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.16.0-31.43~14.04.1-generic 3.16.7-ckt5
  RelatedPackageVersions:
   linux-restricted-modules-3.16.0-31-generic N/A
   linux-backports-modules-3.16.0-31-generic  N/A
   linux-firmware                             1.127.11
  RfKill:
   0: phy0: Wireless LAN
   	Soft blocked: yes
   	Hard blocked: no
  Tags:  trusty
  Uname: Linux 3.16.0-31-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 02/26/2015
  dmi.bios.vendor: Hewlett-Packard
  dmi.bios.version: M70 Ver. 01.07
  dmi.board.name: 2253
  dmi.board.vendor: Hewlett-Packard
  dmi.board.version: KBC Version 03.10
  dmi.chassis.type: 10
  dmi.chassis.vendor: Hewlett-Packard
  dmi.modalias: dmi:bvnHewlett-Packard:bvrM70Ver.01.07:bd02/26/2015:svnHewlett-Packard:pnHPZBook15G2:pvrA3008CD10003:rvnHewlett-Packard:rn2253:rvrKBCVersion03.10:cvnHewlett-Packard:ct10:cvr:
  dmi.product.name: HP ZBook 15 G2
  dmi.product.version: A3008CD10003
  dmi.sys.vendor: Hewlett-Packard

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