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[madbiologist <1325165@xxxxxxxxxxxxxxxxxx>]

** Changed in: xserver-xorg-video-ati (Ubuntu)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1325165

Title:
  DPM support is broken in radeon APUs with HD 8000 radeon chips

Status in xserver-xorg-video-ati package in Ubuntu:
  Fix Released

Bug description:
  Using Ubuntu 14.04 amd64 with Kernel's 3.13 and 3.14, DPM (Dynamic
  Power Management) support is broken on my Radeon 8670D APU chip. What
  happens is that when my PC boots, it shows the login screen for a
  second then immediately reboots on its own, I do however have
  encryption enabled on Ubuntu.

  Manually disabling DPM support by adding "radeon.dpm=0" in
  "/etc/default/grub" in the section "GRUB_CMDLINE_LINUX_DEFAULT="quiet
  splash" fixes this problem, but I would like to have better power
  management enabled for better performance of my chip.

  Specs: MSI FM2-A75IA-E53 motherboard, 16GB DDR3 RAM, AMD A10-6700T
  APU.

  The version of the driver 'radeon' is: 1:7.3.0-1ubuntu3.1

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: xserver-xorg-video-radeon 1:7.3.0-1ubuntu3.1
  Uname: Linux 3.14.2-031402-generic x86_64
  .tmp.unity.support.test.0:
   
  ApportVersion: 2.14.1-0ubuntu3.2
  Architecture: amd64
  CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
  CompositorRunning: compiz
  CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
  CompositorUnredirectFSW: true
  CurrentDesktop: Unity
  Date: Sat May 31 01:02:52 2014
  DistUpgraded: Fresh install
  DistroCodename: trusty
  DistroVariant: ubuntu
  DkmsStatus:
   fglrx, 14.10.1006, 3.13.0-24-generic, x86_64: built
   fglrx, 14.10.1006, 3.13.0-27-generic, x86_64: built
   virtualbox, 4.3.10, 3.13.0-24-generic, x86_64: installed
   virtualbox, 4.3.10, 3.13.0-27-generic, x86_64: installed
  ExtraDebuggingInterest: No
  GraphicsCard:
   Advanced Micro Devices, Inc. [AMD/ATI] Richland [1002:999c] (prog-if 00 [VGA controller])
     Subsystem: Micro-Star International Co., Ltd. [MSI] Device [1462:7792]
  InstallationDate: Installed on 2014-05-07 (23 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  MachineType: MSI MS-7792
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.14.2-031402-generic root=/dev/mapper/ubuntu--vg-root ro quiet splash radeon.dpm=0 vt.handoff=7
  SourcePackage: xserver-xorg-video-ati
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 07/10/2013
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: V2.2
  dmi.board.asset.tag: To be filled by O.E.M.
  dmi.board.name: FM2-A75IA-E53 (MS-7792)
  dmi.board.vendor: MSI
  dmi.board.version: 1.0
  dmi.chassis.asset.tag: To Be Filled By O.E.M.
  dmi.chassis.type: 3
  dmi.chassis.vendor: MSI
  dmi.chassis.version: 1.0
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrV2.2:bd07/10/2013:svnMSI:pnMS-7792:pvr1.0:rvnMSI:rnFM2-A75IA-E53(MS-7792):rvr1.0:cvnMSI:ct3:cvr1.0:
  dmi.product.name: MS-7792
  dmi.product.version: 1.0
  dmi.sys.vendor: MSI
  version.compiz: compiz 1:0.9.11+14.04.20140423-0ubuntu1
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.52-1
  version.libgl1-mesa-dri: libgl1-mesa-dri 10.1.0-4ubuntu5
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 10.1.0-4ubuntu5
  version.xserver-xorg-core: xserver-xorg-core 2:1.15.1-0ubuntu2
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.8.2-1ubuntu2
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.3.0-1ubuntu3.1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.910-0ubuntu1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.10-1ubuntu2
  xserver.bootTime: Fri May 30 01:13:38 2014
  xserver.configfile: default
  xserver.devices:
   input        Power Button         KEYBOARD, id 6
   input        Power Button         KEYBOARD, id 7
   input        Logitech Unifying Device. Wireless PID:1025 MOUSE, id 8
   input        Logitech USB Keyboard KEYBOARD, id 9
   input        Logitech USB Keyboard KEYBOARD, id 10
  xserver.errors:
   
  xserver.logfile: /var/log/Xorg.0.log
  xserver.version: 2:1.15.1-0ubuntu2
  xserver.video_driver: radeon

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