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[Bug 653985] Re: backlight does not switch on at boot

 

** Description changed:

  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
+ 
+ [lspci]
+ 00:02.0 VGA compatible controller [0300]: Intel Corporation Core Processor Integrated Graphics Controller [8086:0046] (rev 12) (prog-if 00 [VGA controller])
+     	Subsystem: Acer Incorporated [ALI] Device [1025:036d]

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https://bugs.launchpad.net/bugs/653985

Title:
  backlight does not switch on at boot


References