The open-source Radeon driver has much improved power management in the
linux kernel 3.11 and later.  The upcoming Ubuntu 13.10 "Saucy
Salamander" is based on the 3.11 kernel.  The new power management
system is disabled by default, pending more testing.  To enable it you
will need to select it at boot by adding radeon.dpm=1 to your GRUB
kernel boot options as described at
https://help.ubuntu.com/community/Grub2/Troubleshooting#Editing_the_GRUB_2_Menu_During_Boot


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

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https://bugs.launchpad.net/bugs/1075418

Title:
  Radeon HD 6400M/7400M Series

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

Bug description:
  after upgrade to 12.10 i had to use open source driver and my fan will
  lift my laptop and fly away

  ProblemType: Bug
  DistroRelease: Ubuntu 12.10
  Package: xorg 1:7.7+1ubuntu4
  ProcVersionSignature: Ubuntu 3.5.0-18.29-generic 3.5.7
  Uname: Linux 3.5.0-18-generic x86_64
  NonfreeKernelModules: fglrx
  ApportVersion: 2.6.1-0ubuntu6
  Architecture: amd64
  CompizPlugins: 
[core,composite,opengl,compiztoolbox,decor,vpswitch,snap,mousepoll,resize,place,move,wall,grid,regex,imgpng,session,gnomecompat,animation,fade,workarounds,scale,expo,ezoom]
  CompositorRunning: None
  Date: Tue Nov  6 08:03:49 2012
  DistUpgraded: Fresh install
  DistroCodename: quantal
  DistroVariant: ubuntu
  DkmsStatus: fglrx, 9.010, 3.5.0-18-generic, x86_64: installed
  ExtraDebuggingInterest: Yes
  GraphicsCard:
   Intel Corporation 2nd Generation Core Processor Family Integrated Graphics 
Controller [8086:0126] (rev 09) (prog-if 00 [VGA controller])
     Subsystem: Hewlett-Packard Company Device [103c:167d]
   Advanced Micro Devices [AMD] nee ATI Caicos [Radeon HD 6400M/7400M Series] 
[1002:6760] (prog-if 00 [VGA controller])
     Subsystem: Hewlett-Packard Company Device [103c:167d]
  JockeyStatus:
   kmod:fglrx - ATI Fire GL (Free, Enabled, In use)
   kmod:fglrx_updates - Video driver for the AMD graphics accelerators (Free, 
Disabled, Not in use)
  MachineType: Hewlett-Packard HP ProBook 4530s
  MarkForUpload: True
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-18-generic 
root=UUID=4f540465-bd67-41e5-bf0a-fdb864431482 ro quiet splash vt.handoff=7
  SourcePackage: xorg
  UnitySupportTest:
   Error: command ['/usr/lib/nux/unity_support_test', '-p', '-f'] failed with 
exit code 1: X Error of failed request:  BadRequest (invalid request code or no 
such operation)
     Major opcode of failed request:  135 (GLX)
     Minor opcode of failed request:  19 (X_GLXQueryServerString)
     Serial number of failed request:  22
     Current serial number in output stream:  22
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 07/18/2011
  dmi.bios.vendor: Hewlett-Packard
  dmi.bios.version: 68SRR Ver. F.0A
  dmi.board.name: 167C
  dmi.board.vendor: Hewlett-Packard
  dmi.board.version: KBC Version 22.1F
  dmi.chassis.asset.tag: CNU2082FCF
  dmi.chassis.type: 10
  dmi.chassis.vendor: Hewlett-Packard
  dmi.modalias: 
dmi:bvnHewlett-Packard:bvr68SRRVer.F.0A:bd07/18/2011:svnHewlett-Packard:pnHPProBook4530s:pvrA0000C02:rvnHewlett-Packard:rn167C:rvrKBCVersion22.1F:cvnHewlett-Packard:ct10:cvr:
  dmi.product.name: HP ProBook 4530s
  dmi.product.version: A0000C02
  dmi.sys.vendor: Hewlett-Packard
  version.compiz: compiz 1:0.9.8.4+bzr3407-0ubuntu1
  version.fglrx-installer: fglrx-installer N/A
  version.ia32-libs: ia32-libs 20090808ubuntu36
  version.libdrm2: libdrm2 2.4.39+git20121025.bc494b31-0ubuntu0ricotz~quantal
  version.libgl1-mesa-dri: libgl1-mesa-dri 
9.1~git20121029.00e6819e-0ubuntu0ricotz~quantal
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 
9.1~git20121029.00e6819e-0ubuntu0ricotz~quantal
  version.xserver-xorg-core: xserver-xorg-core 3:1.12.4+git20121105-makson1~ppa2
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 
2:2.7.3+git20120928~quantal2
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 
2:6.14.6+git20120928~quantal1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 
3:2.20.8+git20120928~quantal2
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 
2:1.0.2+git20120928~quantal1

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