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[Bug 653985] [NEW] backlight does not switch on at boot

 

Public bug reported:

Binary package hint: xorg

The backlight fails on boot (and during installation). It will switch on
after the lid is shut and then open again. Intel graphics only.


Description:	Ubuntu maverick (development branch)
Release:	10.10

apt-cache policy xorg
xorg:
  Installed: 1:7.5+6ubuntu3
  Candidate: 1:7.5+6ubuntu3
  Version table:
 *** 1:7.5+6ubuntu3 0
        500 http://gb.archive.ubuntu.com/ubuntu/ maverick/main amd64 Packages
        100 /var/lib/dpkg/status

ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: xorg 1:7.5+6ubuntu3
ProcVersionSignature: Ubuntu 2.6.35-22.33-generic 2.6.35.4
Uname: Linux 2.6.35-22-generic x86_64
NonfreeKernelModules: wl
Architecture: amd64
DRM.card0.DisplayPort.1:
 status: disconnected
 enabled: disabled
 dpms: Off
 modes: 
 edid-base64:
DRM.card0.HDMI_Type_A.1:
 status: disconnected
 enabled: disabled
 dpms: Off
 modes: 
 edid-base64:
DRM.card0.LVDS.1:
 status: connected
 enabled: enabled
 dpms: On
 modes: 1366x768
 edid-base64: AP///////wAw5AHPAAAAAAASAQOAIhN4Cqu1n1lUliYWUFQAAAABAQEBAQEBAQEBAQEBAQEBPhxWoFAAFjAwIDUAWMIQAAAZAAAAAAAAAAAAAAAAAAAAAAAAAAAA/gBMRyBEaXNwbGF5CiAgAAAA/ABMUDE1NldIMi1UTEUxANw=
DRM.card0.VGA.1:
 status: disconnected
 enabled: disabled
 dpms: Off
 modes: 
 edid-base64:
Date: Sun Oct  3 10:47:13 2010
DkmsStatus: bcmwl, 5.60.48.36+bdcom, 2.6.35-22-generic, x86_64: installed
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release Candidate amd64 (20100928)
Lsusb:
 Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
 Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
 Bus 001 Device 003: ID 0402:9665 ALi Corp. 
 Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: Acer Aspire 5741
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.35-22-generic root=UUID=d3e3f619-dedc-48bf-a938-e7ff733a2524 ro quiet splash
ProcEnviron:
 LANG=en_GB.UTF-8
 SHELL=/bin/bash
SourcePackage: xorg
dmi.bios.date: 02/05/2010
dmi.bios.vendor: Acer
dmi.bios.version: V1.02
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: Aspire 5741
dmi.board.vendor: Acer
dmi.board.version: V1.02
dmi.chassis.type: 10
dmi.chassis.vendor: Acer
dmi.chassis.version: V1.02
dmi.modalias: dmi:bvnAcer:bvrV1.02:bd02/05/2010:svnAcer:pnAspire5741:pvrV1.02:rvnAcer:rnAspire5741:rvrV1.02:cvnAcer:ct10:cvrV1.02:
dmi.product.name: Aspire 5741
dmi.product.version: V1.02
dmi.sys.vendor: Acer
glxinfo: Error: [Errno 2] No such file or directory
system:
 distro:             Ubuntu
 codename:           maverick
 architecture:       x86_64
 kernel:             2.6.35-22-generic

** Affects: xorg (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug maverick

-- 
backlight does not switch on at boot
https://bugs.launchpad.net/bugs/653985
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