Thanks for the reply. I was never given the option, but if there's some
sort of boot option, let me know and I'll try.


On Mon, Mar 25, 2013 at 3:22 PM, Chris Wilson <ch...@chris-wilson.co.uk>wrote:

> It is trying to use 'acpi_video0', the question is why that ACPI driver
> is dysfunctional. Do you have a choice of an alternative driver?
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1158934
>
> Title:
>   Backlight can't be controlled
>
> Status in “xserver-xorg-video-intel” package in Ubuntu:
>   New
>
> Bug description:
>   When pressing the keys to increase or decrease backlight, or even
>   using the Display dialog's slider, backlight doesn't change. However,
>   the backlight level indicated by the prompt does change. The hardware
>   in question is an HP ProBook 6570b laptop.
>
>   ProblemType: Bug
>   DistroRelease: Ubuntu 13.04
>   Package: xorg 1:7.7+1ubuntu4
>   ProcVersionSignature: Ubuntu 3.8.0-13.23-generic 3.8.3
>   Uname: Linux 3.8.0-13-generic x86_64
>   NonfreeKernelModules: wl
>   .tmp.unity.support.test.0:
>
>   ApportVersion: 2.9.2-0ubuntu2
>   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 Mar 22 19:31:40 2013
>   DistUpgraded: 2013-01-27 21:36:15,133 DEBUG enabling apt cron job
>   DistroCodename: raring
>   DistroVariant: ubuntu
>   DkmsStatus:
>    bcmwl, 6.20.155.1+bdcom, 3.8.0-12-generic, x86_64: installed
>    bcmwl, 6.20.155.1+bdcom, 3.8.0-13-generic, x86_64: installed
>    virtualbox, 4.2.8, 3.8.0-12-generic, x86_64: installed
>    virtualbox, 4.2.8, 3.8.0-13-generic, x86_64: installed
>   ExtraDebuggingInterest: Yes, including running git bisection searches
>   GraphicsCard:
>    Intel Corporation 3rd Gen Core processor Graphics Controller
> [8086:0166] (rev 09) (prog-if 00 [VGA controller])
>      Subsystem: Hewlett-Packard Company Device [103c:17ab]
>   InstallationDate: Installed on 2012-11-13 (129 days ago)
>   InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64
> (20121017.5)
>   MachineType: Hewlett-Packard HP ProBook 6570b
>   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-3.8.0-13-generic
> root=UUID=1a9c19c9-524c-47a2-89da-6dd88cb8f2ee ro quiet splash vt.handoff=7
>   SourcePackage: xorg
>   Symptom: display
>   UpgradeStatus: Upgraded to raring on 2013-01-27 (53 days ago)
>   dmi.bios.date: 09/24/2012
>   dmi.bios.vendor: Hewlett-Packard
>   dmi.bios.version: 68ICE Ver. F.31
>   dmi.board.name: 17AB
>   dmi.board.vendor: Hewlett-Packard
>   dmi.board.version: KBC Version 42.32
>   dmi.chassis.type: 10
>   dmi.chassis.vendor: Hewlett-Packard
>   dmi.modalias:
> dmi:bvnHewlett-Packard:bvr68ICEVer.F.31:bd09/24/2012:svnHewlett-Packard:pnHPProBook6570b:pvrA1029D1102:rvnHewlett-Packard:rn17AB:rvrKBCVersion42.32:cvnHewlett-Packard:ct10:cvr:
>   dmi.product.name: HP ProBook 6570b
>   dmi.product.version: A1029D1102
>   dmi.sys.vendor: Hewlett-Packard
>   version.compiz: compiz 1:0.9.9~daily13.03.20-0ubuntu1
>   version.ia32-libs: ia32-libs 20090808ubuntu36
>   version.libdrm2: libdrm2 2.4.42-0ubuntu2
>   version.libgl1-mesa-dri: libgl1-mesa-dri 9.0.3-0ubuntu1
>   version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
>   version.libgl1-mesa-glx: libgl1-mesa-glx 9.0.3-0ubuntu1
>   version.xserver-xorg-core: xserver-xorg-core 2:1.13.3-0ubuntu3
>   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
> 2:2.21.5-0ubuntu1
>   version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau
> 1:1.0.6-0ubuntu3b1
>   xserver.bootTime: Fri Mar 22 19:28:05 2013
>   xserver.configfile: default
>   xserver.errors:
>
>   xserver.logfile: /var/log/Xorg.0.log
>   xserver.version: 2:1.13.3-0ubuntu3
>   xserver.video_driver: intel
>
> To manage notifications about this bug go to:
>
> https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1158934/+subscriptions
>


-- 
Best regards Gard
Gard Vaaler - Dataloy Systems
P: +47 55 36 03 00
twitter.com/dataloy
www.dataloy-systems.com

-- 
You received this bug notification because you are a member of Ubuntu-X,
which is subscribed to xserver-xorg-video-intel in Ubuntu.
https://bugs.launchpad.net/bugs/1158934

Title:
  Backlight can't be controlled

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1158934/+subscriptions

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