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[Kamal Mostafa <kamal@xxxxxxxxxxxxx>]

** Changed in: gnome-settings-daemon (Ubuntu)
       Status: Triaged => In Progress

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https://bugs.launchpad.net/bugs/872652

Title:
  screensaver backlight stuck off, system looks hung

Status in “gnome-settings-daemon” package in Ubuntu:
  In Progress

Bug description:
  I have been using Kamal Mostafa's kernels for my Dell Studio 15 for a
  few releases. Now, in oneiric, the brightness can not be changed
  unless I add acpi_backlight=vendor to the kernel command line. The
  brightness adjustment works fine when I make this change.

  However, when I add this command line option, it introduces another
  issue where when the display goes to sleep, it does not resume.

  Somtimes I get the screen back by switching to a console tty and then
  back to the X tty. But, the only reliable way I can get a screen to
  come back on is to close the laptop lid (so the system suspends) and
  then open it. The display will turn on for resume.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: linux-image-3.0.0-12-generic 3.0.0-12.20
  ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
  Uname: Linux 3.0.0-12-generic x86_64
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 1.23-0ubuntu3
  Architecture: amd64
  ArecordDevices:
   **** List of CAPTURE Hardware Devices ****
   card 0: Intel [HDA Intel], device 0: STAC92xx Analog [STAC92xx Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  jrubin     3145 F.... pulseaudio
  Card0.Amixer.info:
   Card hw:0 'Intel'/'HDA Intel at 0xf0a00000 irq 45'
     Mixer name	: 'Intel IbexPeak HDMI'
     Components	: 'HDA:111d7675,10280413,00100103 HDA:80862804,80860101,00100000'
     Controls      : 20
     Simple ctrls  : 11
  Date: Tue Oct 11 22:09:44 2011
  HibernationDevice: RESUME=UUID=ffe5b171-a88d-44b8-9f4e-bca222ce60bd
  InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100427.1)
  MachineType: Dell Inc. Studio 1558
  ProcEnviron:
   PATH=(custom, user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.0.0-12-generic root=/dev/mapper/hostname-root ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.0.0-12-generic N/A
   linux-backports-modules-3.0.0-12-generic  N/A
   linux-firmware                            1.60
  SourcePackage: linux
  StagingDrivers: mei
  UpgradeStatus: Upgraded to oneiric on 2011-10-03 (8 days ago)
  dmi.bios.date: 03/30/2011
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A12
  dmi.board.name: 0G939P
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A12
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: A12
  dmi.modalias: dmi:bvnDellInc.:bvrA12:bd03/30/2011:svnDellInc.:pnStudio1558:pvrA12:rvnDellInc.:rn0G939P:rvrA12:cvnDellInc.:ct8:cvrA12:
  dmi.product.name: Studio 1558
  dmi.product.version: A12
  dmi.sys.vendor: Dell Inc.

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