Comment 8 for bug 934707

Definitely not a problem. We screen a lot of graphics problems for
kernel and other groups and are happy to help.

On Wed, Feb 22, 2012 at 02:49:11AM -0000, Terry Jones wrote:
> Thanks Bryce,
>
> Sorry if I was out of line by subscribing you, but I knew you were the
> expert in this area.
>
>
> Thanks,
> Terry
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/934707
>
> Title:
> emachine e725 boots to black screen
>
> Status in “linux” package in Ubuntu:
> New
>
> Bug description:
> Booting to a black screen, however a flashlight shows a faint login window. I can login, hear the startup sound, but still a black screen.
> Again a flashlight on the screen shows a faint desktop. I am assuming the backlight on the laptop is not responding. Pressing the function key and brightness adjustment keys does nothing.
>
> As a work around, adding the boot paramater acip_osi=Linux to Grub on
> startup allows me to have a screen, However, the function dim keys
> make it brighter while the function brighter keys make the screen
> dimmer.
>
> lsb_release -rd
> Description: Ubuntu precise (development branch)
> Release: 12.04
>
> ProblemType: Bug
> DistroRelease: Ubuntu 12.04
> Package: xorg 1:7.6+10ubuntu1
> ProcVersionSignature: Ubuntu 3.2.0-16.25-generic 3.2.6
> Uname: Linux 3.2.0-16-generic x86_64
> NonfreeKernelModules: wl
> .tmp.unity.support.test.0:
>
> ApportVersion: 1.91-0ubuntu1
> Architecture: amd64
> CompizPlugins: [core,bailer,detection,composite,opengl,compiztoolbox,decor,dbus,mousepoll,regex,imgpng,gnomecompat,place,animation,session,move,resize,snap,vpswitch,winrules,grid,fade,workarounds,cube,expo,ezoom,scale,rotate,unityshell]
> CompositorRunning: compiz
> Date: Fri Feb 17 22:26:05 2012
> DistUpgraded: Fresh install
> DistroCodename: precise
> DistroVariant: ubuntu
> DkmsStatus:
> bcmwl, 5.100.82.38+bdcom, 3.2.0-15-generic, x86_64: installed
> bcmwl, 5.100.82.38+bdcom, 3.2.0-16-generic, x86_64: installed
> ExtraDebuggingInterest: Yes, if not too technical
> GraphicsCard:
> Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller [8086:2a42] (rev 09) (prog-if 00 [VGA controller])
> Subsystem: Acer Incorporated [ALI] Device [1025:0212]
> Subsystem: Acer Incorporated [ALI] Device [1025:0212]
> InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64 (20120119)
> MachineType: eMachines eMachines E725
> ProcEnviron:
> PATH=(custom, no user)
> LANG=en_US.UTF-8
> SHELL=/bin/bash
> ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-16-generic root=UUID=5dad1fe6-2c79-4412-ae39-0307a2f6db3e ro acpi_osi=Linux
> SourcePackage: xorg
> Symptom: display
> UpgradeStatus: No upgrade log present (probably fresh install)
> dmi.bios.date: 12/16/2009
> dmi.bios.vendor: eMachines
> dmi.bios.version: V3.04
> dmi.board.asset.tag: Base Board Asset Tag
> dmi.board.name: eMachines E725
> dmi.board.vendor: eMachines
> dmi.board.version: V3.04
> dmi.chassis.type: 10
> dmi.chassis.vendor: eMachines
> dmi.chassis.version: V3.04
> dmi.modalias: dmi:bvneMachines:bvrV3.04:bd12/16/2009:svneMachines:pneMachinesE725:pvrV3.04:rvneMachines:rneMachinesE725:rvrV3.04:cvneMachines:ct10:cvrV3.04:
> dmi.product.name: eMachines E725
> dmi.product.version: V3.04
> dmi.sys.vendor: eMachines
> version.compiz: compiz 1:0.9.7.0~bzr2995-0ubuntu4
> version.ia32-libs: ia32-libs N/A
> version.libdrm2: libdrm2 2.4.30-1ubuntu1
> version.libgl1-mesa-dri: libgl1-mesa-dri 8.0~rc2-0ubuntu5
> version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
> version.libgl1-mesa-glx: libgl1-mesa-glx 8.0~rc2-0ubuntu5
> version.xserver-xorg-core: xserver-xorg-core 2:1.11.4-0ubuntu3
> version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.6.99.901+git20120126-0ubuntu2
> version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.99~git20111219.aacbd629-0ubuntu2
> version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.17.0-1ubuntu4
> version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20111201+b5534a1-1build2
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/934707/+subscriptions