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[Bug 878363] Re: "xset dpms force off": Screen doesn't come back

 

*contrast = brightness

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https://bugs.launchpad.net/bugs/878363

Title:
  "xset dpms force off": Screen doesn't come back

Status in “gnome-power-manager” package in Ubuntu:
  Invalid
Status in “x11-xserver-utils” package in Ubuntu:
  Invalid

Bug description:
  After upgrading to Oneiric I'm experiencing the following bug:
  When executing "xset dpms force off" I can't get the monitor back again by using mouse or hitting a key. It remains black and I have to do a restart.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: x11-xserver-utils 7.6+3
  ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
  Uname: Linux 3.0.0-12-generic x86_64
  .tmp.unity.support.test.0:
   
  ApportVersion: 1.23-0ubuntu3
  Architecture: amd64
  CompizPlugins: [core,bailer,detection,composite,opengl,decor,place,session,regex,mousepoll,snap,grid,animation,compiztoolbox,vpswitch,gnomecompat,resize,imgpng,wall,move,workarounds,fade,expo,unitymtgrabhandles,ezoom,scale,unityshell]
  CompositorRunning: compiz
  Date: Wed Oct 19 19:24:35 2011
  DistUpgraded: Log time: 2011-10-18 17:05:55.677638
  DistroCodename: oneiric
  DistroVariant: ubuntu
  GraphicsCard:
   Intel Corporation Core Processor Integrated Graphics Controller [8086:0046] (rev 18) (prog-if 00 [VGA controller])
     Subsystem: Dell Device [1028:046e]
   nVidia Corporation Device [10de:0df1] (rev ff) (prog-if ff)
  InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
  MachineType: Dell Inc. XPS L501X
  ProcEnviron:
   PATH=(custom, user)
   LANG=de_DE.UTF-8
   SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-12-generic root=UUID=673671dc-55a3-4a11-bf24-f739eb211d5d ro quiet splash acpi_backlight=vendor vt.handoff=7
  SourcePackage: x11-xserver-utils
  UdevDb: Error: [Errno 2] Datei oder Verzeichnis nicht gefunden
  UpgradeStatus: Upgraded to oneiric on 2011-10-18 (1 days ago)
  dmi.bios.date: 03/29/2011
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A07
  dmi.board.name: 00CKNG
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A07
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: A07
  dmi.modalias: dmi:bvnDellInc.:bvrA07:bd03/29/2011:svnDellInc.:pnXPSL501X:pvrA07:rvnDellInc.:rn00CKNG:rvrA07:cvnDellInc.:ct8:cvrA07:
  dmi.product.name: XPS L501X
  dmi.product.version: A07
  dmi.sys.vendor: Dell Inc.
  version.compiz: compiz 1:0.9.6+bzr20110929-0ubuntu5
  version.ia32-libs: ia32-libs 20090808ubuntu26
  version.libdrm2: libdrm2 2.4.26-1ubuntu1
  version.libgl1-mesa-dri: libgl1-mesa-dri 7.11-0ubuntu3
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 7.11-0ubuntu3
  version.xserver-xorg: xserver-xorg 1:7.6+7ubuntu7
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.6.0-1ubuntu13
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.99~git20110811.g93fc084-0ubuntu1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.15.901-1ubuntu2
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110411+8378443-1

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