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[Frank Slezak <1362046@xxxxxxxxxxxxxxxxxx>]

Related?  https://bugzilla.kernel.org/show_bug.cgi?id=48671

This bug was apparently fixed in 3.6 but it didn't make it to Ubuntu.

** Bug watch added: Linux Kernel Bug Tracker #48671
   http://bugzilla.kernel.org/show_bug.cgi?id=48671

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https://bugs.launchpad.net/bugs/1362046

Title:
  kernel module (sony-laptop)

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  "Laptop Keyboard Backlight not turning off"

  I had a problem with keyboard backlight that I asked in askUbuntu.com  (here http://askubuntu.com/questions/475711/turn-off-keyboard-back-light-sony-vaio-svf1521dcxw)  and also I have followed in chat with @Mew (here http://chat.stackexchange.com/transcript/16735) and We tried all solution to fixing my issue and we can not fix that. I found some patch (http://www.absence.it/vaio-acpi/source/patches/) for fixing this problem but then I need to create a custom kernel for myself and it's so hard for me.
  --- 
  ApportVersion: 2.14.1-0ubuntu3.3
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  kasiya     1906 F.... pulseaudio
  CurrentDesktop: Unity
  DistroRelease: Ubuntu 14.04
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2014-06-27 (60 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  MachineType: Sony Corporation SVF1521DCXW
  NonfreeKernelModules: wl
  Package: linux (not installed)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-34-generic root=UUID=2aac8bca-f028-4744-a525-08ce1c46ff21 ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.13.0-34.60-generic 3.13.11.4
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-34-generic N/A
   linux-backports-modules-3.13.0-34-generic  N/A
   linux-firmware                             1.127.5
  Tags:  trusty
  Uname: Linux 3.13.0-34-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 11/18/2013
  dmi.bios.vendor: Insyde Corp.
  dmi.bios.version: R0220DA
  dmi.board.asset.tag: N/A
  dmi.board.name: VAIO
  dmi.board.vendor: Sony Corporation
  dmi.board.version: N/A
  dmi.chassis.asset.tag: N/A
  dmi.chassis.type: 10
  dmi.chassis.vendor: Sony Corporation
  dmi.chassis.version: N/A
  dmi.modalias: dmi:bvnInsydeCorp.:bvrR0220DA:bd11/18/2013:svnSonyCorporation:pnSVF1521DCXW:pvrC10H89HU:rvnSonyCorporation:rnVAIO:rvrN/A:cvnSonyCorporation:ct10:cvrN/A:
  dmi.product.name: SVF1521DCXW
  dmi.product.version: C10H89HU
  dmi.sys.vendor: Sony Corporation

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