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["Christopher M. Penalver" <christopher.m.penalver@xxxxxxxxx>]

*** This bug is a duplicate of bug 1397553 ***
    https://bugs.launchpad.net/bugs/1397553

** Summary changed:

- The Linux kernel is no longer able to page control register 2 in Radeon graphics processors, making the system to boot with a  blank screen
+ 1002:68ba The Linux kernel is no longer able to page control register 2, making the system to boot with a  blank screen

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https://bugs.launchpad.net/bugs/1401826

Title:
  1002:68ba The Linux kernel is no longer able to page control register
  2, making the system to boot with a  blank screen

Status in linux package in Ubuntu:
  New

Bug description:
  HOW TO REPRODUCE
  1. Upgrade the system.
  2. Install an affected Radeon graphics processor in your system (in my case HD6850).

  EXPECTED BEHAVIOUR
  - The system to boot normally.

  REAL BEHAVIOUR
  - After showing the splash screen, the monitor doesn't detect any signal and goes blank.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: linux-image-3.16.0-25-generic 3.16.0-25.33
  ProcVersionSignature: Ubuntu 3.16.0-25.33-generic 3.16.7
  Uname: Linux 3.16.0-25-generic x86_64
  ApportVersion: 2.14.7-0ubuntu8
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC2:  es20490446e   2327 F.... pulseaudio
   /dev/snd/controlC1:  es20490446e   2327 F.... pulseaudio
   /dev/snd/controlC0:  es20490446e   2327 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Fri Dec 12 10:28:30 2014
  HibernationDevice: RESUME=UUID=84e36a57-47e6-4596-a4bf-54a233f40ad7
  InstallationDate: Installed on 2013-05-21 (569 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  IwConfig:
   eth0      no wireless extensions.
   
   lo        no wireless extensions.
  MachineType: MEDIONPC MS-7358
  ProcFB: 0 radeondrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-25-generic root=UUID=7c16b6a8-52d3-4e20-94c4-933af64fd891 ro quiet splash
  RelatedPackageVersions:
   linux-restricted-modules-3.16.0-25-generic N/A
   linux-backports-modules-3.16.0-25-generic  N/A
   linux-firmware                             1.138
  RfKill:
   
  SourcePackage: linux
  UpgradeStatus: Upgraded to utopic on 2014-09-24 (79 days ago)
  dmi.bios.date: 02/18/2008
  dmi.bios.vendor: Phoenix Technologies, LTD
  dmi.bios.version: 6.00 PG
  dmi.board.name: MS-7358
  dmi.board.vendor: MICRO-STAR INTERNATIONAL CO., LTD
  dmi.board.version: Fab D
  dmi.chassis.type: 3
  dmi.chassis.vendor: OEM
  dmi.chassis.version: OEM
  dmi.modalias: dmi:bvnPhoenixTechnologies,LTD:bvr6.00PG:bd02/18/2008:svnMEDIONPC:pnMS-7358:pvrOEM:rvnMICRO-STARINTERNATIONALCO.,LTD:rnMS-7358:rvrFabD:cvnOEM:ct3:cvrOEM:
  dmi.product.name: MS-7358
  dmi.product.version: OEM
  dmi.sys.vendor: MEDIONPC

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