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[Bug 1272242] Re: Hybrid graphics: switching to discrete by using switcheroo make screen going black

 

Fikrul Arif, thank you for reporting this and helping make Ubuntu better. Raring reached EOL on January 27, 2014.
See this document for currently supported Ubuntu releases: https://wiki.ubuntu.com/Releases

Is this an issue on a supported release?

** Changed in: xorg (Ubuntu)
   Importance: Undecided => Low

** Changed in: xorg (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1272242

Title:
  Hybrid graphics: switching to discrete by using switcheroo make screen
  going black

Status in xorg package in Ubuntu:
  Incomplete

Bug description:
  How to reproduce:
  * In lightdm login screen, switch to tty2 (Ctrl+Alt+F2)
  * Execute this after login:

      sudo su
      service lightdm stop
      echo DDIS > /sys/kernel/debug/vgaswitcheroo/switch
      # frozen here, can't switch to other ttys; but keyboard input is still received, eg.:
      reboot

  Actually I want to switch to AMD Radeon graphics, because in X session
  it would not work.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.04
  Package: xorg 1:7.7+1ubuntu4
  ProcVersionSignature: Ubuntu 3.8.0-35.50-generic 3.8.13.13
  Uname: Linux 3.8.0-35-generic x86_64
  .tmp.unity.support.test.0:
   
  ApportVersion: 2.9.2-0ubuntu8.5
  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
  Date: Fri Jan 24 16:28:48 2014
  DistUpgraded: 2013-05-13 10:19:43,316 DEBUG enabling apt cron job
  DistroCodename: raring
  DistroVariant: ubuntu
  ExtraDebuggingInterest: Yes
  GraphicsCard:
   Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] (rev 09) (prog-if 00 [VGA controller])
     Subsystem: Hewlett-Packard Company Device [103c:183a]
   Advanced Micro Devices [AMD] nee ATI Thames XT [Radeon HD 7670M] [1002:6840] (prog-if 00 [VGA controller])
     Subsystem: Hewlett-Packard Company Device [103c:183a]
  InstallationDate: Installed on 2012-11-04 (445 days ago)
  InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
  MachineType: Hewlett-Packard HP Pavilion g4 Notebook PC
  MarkForUpload: True
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-35-generic root=UUID=e04f70eb-7ce2-4634-a927-dd1049671407 ro quiet splash vt.handoff=7
  SourcePackage: xorg
  Symptom: display
  UpgradeStatus: Upgraded to raring on 2013-05-13 (256 days ago)
  dmi.bios.date: 01/18/2012
  dmi.bios.vendor: Hewlett-Packard
  dmi.bios.version: F.01
  dmi.board.asset.tag: Type2 - Board Asset Tag
  dmi.board.name: 183A
  dmi.board.vendor: Hewlett-Packard
  dmi.board.version: 56.0E
  dmi.chassis.type: 10
  dmi.chassis.vendor: Hewlett-Packard
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnHewlett-Packard:bvrF.01:bd01/18/2012:svnHewlett-Packard:pnHPPaviliong4NotebookPC:pvr0791100000205610000620100:rvnHewlett-Packard:rn183A:rvr56.0E:cvnHewlett-Packard:ct10:cvrChassisVersion:
  dmi.product.name: HP Pavilion g4 Notebook PC
  dmi.product.version: 0791100000205610000620100
  dmi.sys.vendor: Hewlett-Packard
  version.compiz: compiz 1:0.9.9~daily13.06.19~13.04-0ubuntu1
  version.ia32-libs: ia32-libs 20090808ubuntu36
  version.libdrm2: libdrm2 2.4.46-1ubuntu0.1
  version.libgl1-mesa-dri: libgl1-mesa-dri 9.1.7-1ubuntu2
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 9.1.7-1ubuntu2
  version.xserver-xorg-core: xserver-xorg-core 2:1.13.3-0ubuntu6.2
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu2b2
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.1.0-0ubuntu2
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.21.6-0ubuntu4.3
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.7-0ubuntu1
  xserver.bootTime: Fri Jan 24 16:14:57 2014
  xserver.configfile: default
  xserver.errors: RADEON(G0): [XvMC] Failed to initialize extension.
  xserver.logfile: /var/log/Xorg.0.log
  xserver.version: 2:1.13.3-0ubuntu6.2
  xserver.video_driver: intel

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