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["Christopher M. Penalver" <christopher.m.penalver@xxxxxxxxx>]

RealBezo, thank you for taking the time to report this bug and helping to make Ubuntu better. Please execute the following command, as it will automatically gather debugging information, in a terminal:
apport-collect -p xorg 1370505

Please ensure you have the package xdiagnose installed, and that you
click the Yes button for attaching additional debugging information.

** Package changed: xserver-xorg-video-intel (Ubuntu) => xorg (Ubuntu)

** Changed in: xorg (Ubuntu)
   Importance: Undecided => Low

** Changed in: xorg (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1370505

Title:
  lubuntu 14.04 backlight maximum or minimum on lenovo laptop

Status in xorg package in Ubuntu:
  Incomplete

Bug description:
  Hello, i had and have and will this problem on every laptop and with
  every version of ubuntu and  its derivatives.

  I installed lubuntu 14.04 on IBM lenovo laptop with intel graphic card
  and my backlight could be changed with function keys but it goes
  either to maximum or minimum.

  it is similar to my bug previous bug report https://bugs.launchpad.net/ubuntu/+source/linux/+bug/990932
  but this time i can change it before and after login but as i said either to max or min ...

  i tried couple of things to solve the problem via trial and error:
  - edited grub conf file and changed "acpi_backlight=legacy" line to ""acpi_backlight=vendor"  
  -  i created a file /usr/share/X11/xorg.conf.d/20-intel.conf   here and edited it like this:

  Section "Device"
      Identifier  "card0"
      Driver      "intel"
      Option      "Backlight" #  "intel_backlight"
      BusID       "PCI:0:2:0"
  EndSection

  (i tried both of "Backlight" and  "intel_backlight" options)

  -and when i start the xubuntu power manager and try  to set backlight
  (which is installed in lubuntu) i can see  the backlight widget on the
  screen but it doesn't effect anything, still backlight goes to max or
  min, but the widget's animation cannot go further than one step, it
  stucks on the first step.

  - i tried to change the value of brightness file under the directory /sys/class/backlight/ideapad
  but sudo does not work here, it says permission denied, but when i read the value of actual_brightness file i can see 0 or 10 ( of course just these)

  First of all i don't think this is related to kernel, and i don't
  wanna try upstream kernel. I think it is related to xserver package
  and ubuntu acpi management and many configurations file in ubuntu that
  i don't know exactly how many are and where they are...

  Thanks in advance
  --- 
  ApportVersion: 2.14.1-0ubuntu3.4
  Architecture: i386
  CurrentDesktop: LXDE
  DistroRelease: Ubuntu 14.04
  InstallationDate: Installed on 2014-03-10 (190 days ago)
  InstallationMedia: Lubuntu 14.04 "Trusty Tahr" - Alpha i386 (20140225)
  Package: xserver-xorg-video-intel 2:2.99.910-0ubuntu1.1
  PackageArchitecture: i386
  ProcVersionSignature: Ubuntu 3.13.0-35.62-generic 3.13.11.6
  Tags:  trusty
  Uname: Linux 3.13.0-35-generic i686
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True

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