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[Han Pilmeyer <850749@xxxxxxxxxxxxxxxxxx>]

There is definitely something strange going on in the settings daemon
(also). When I select the "screen" settings and slide the "brightness"
control, I would expect the screen to get darker or brighter depending
on the direction in which I move the slider. This is not happening. When
I move it to the left it sometimes gets brighter then darker and
brighter again. Very strange. The brightness keys, when they work which
is not always the case, have a similar effect. Dimming may actually make
the screen brighter.

I still observe the original problem. When the screen dims, it stays
dark. Hibernate/resume will bring it back. It's easy enough to
reproduce. Let me know if I can help to debug this.

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https://bugs.launchpad.net/bugs/850749

Title:
  Display unreadable after dimming

Status in “gnome-settings-daemon” package in Ubuntu:
  New

Bug description:
  Once my laptop screen is dimmed I can not read it any more. Dimming
  happens even when "dim" is not selected in the "screen" settings. It
  also happens before logging in. There is nothing I can do to un-dim
  the screen (i.e. moving the mouse, keyboard, but also using the
  contrast/brightness keys). When the screen is not dimmed, it is
  possible to adjust brightness etc using the contrast/brightness keys.

  If the laptop is suspended/resumed the screen will be back to normal
  until it decides to dim the screen again.

  This is reproducible and can be repeated as many times as necessary.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: xorg 1:7.6+7ubuntu7
  ProcVersionSignature: Ubuntu 3.0.0-11.17-generic 3.0.4
  Uname: Linux 3.0.0-11-generic i686
  .tmp.unity.support.test.0:
   
  ApportVersion: 1.22.1-0ubuntu2
  Architecture: i386
  CompizPlugins: [core,composite,opengl,decor,dbus,compiztoolbox,snap,ring,imgpng,resize,move,screenshot,regex,place,resizeinfo,put,annotate,grid,vpswitch,mousepoll,commands,session,animation,thumbnail,fade,cube,rotate,expo,unityshell]
  CompositorRunning: compiz
  Date: Thu Sep 15 11:00:12 2011
  DistUpgraded: Log time: 2011-08-22 16:01:49.906813
  DistroCodename: oneiric
  DistroVariant: ubuntu
  ExtraDebuggingInterest: Yes, whatever it takes to get this fixed in Ubuntu
  GraphicsCard:
   Intel Corporation Mobile 915GM/GMS/910GML Express Graphics Controller [8086:2592] (rev 03) (prog-if 00 [VGA controller])
     Subsystem: Hewlett-Packard Company NC6220 [103c:308a]
     Subsystem: Hewlett-Packard Company Device [103c:308a]
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha i386 (20110131)
  Lsusb:
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
   Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
   Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
   Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
   Bus 003 Device 002: ID 03f0:011d Hewlett-Packard Integrated Bluetooth Module
  MachineType: Hewlett-Packard HP Compaq nc6220 (EA766UC#ABB)
  PccardctlIdent:
   Socket 0:
     no product info available
  PccardctlStatus:
   Socket 0:
     no card
  ProcEnviron:
   LC_TIME=en_ZA.utf8
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   LC_MESSAGES=en_ZA.utf8
   SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.0.0-11-generic root=UUID=3cd4d9b5-f50a-41d2-8099-63d1181c43d8 ro crashkernel=384M-2G:64M,2G-:128M quiet splash vt.usernamedoff=7
  SourcePackage: xorg
  Symptom: display
  UnitySupportTest: Error: command ['/usr/lib/nux/unity_support_test', '-p', '-f'] failed with exit code -11:
  UpgradeStatus: Upgraded to oneiric on 2011-09-15 (0 days ago)
  dmi.bios.date: 02/27/2007
  dmi.bios.vendor: Hewlett-Packard
  dmi.bios.version: 68DTU Ver. F.13
  dmi.board.name: 308A
  dmi.board.vendor: Hewlett-Packard
  dmi.board.version: KBC Version 40.22
  dmi.chassis.asset.tag: CNU6082483
  dmi.chassis.type: 10
  dmi.chassis.vendor: Hewlett-Packard
  dmi.modalias: dmi:bvnHewlett-Packard:bvr68DTUVer.F.13:bd02/27/2007:svnHewlett-Packard:pnHPCompaqnc6220(EA766UC#ABB):pvrF.13:rvnHewlett-Packard:rn308A:rvrKBCVersion40.22:cvnHewlett-Packard:ct10:cvr:
  dmi.product.name: HP Compaq nc6220 (EA766UC#ABB)
  dmi.product.version: F.13
  dmi.sys.vendor: Hewlett-Packard
  version.compiz: compiz 1:0.9.5.94+bzr2803-0ubuntu1
  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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