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[Artem Rachitskiy <pachuukuu@xxxxxxxxx>]

Same with Dell e7470 on 16.04 release.

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https://bugs.launchpad.net/bugs/1510344

Title:
  Keyboard Backlight Turns on at boot

Status in Dell Sputnik:
  Confirmed
Status in One Hundred Papercuts:
  Confirmed
Status in Linux:
  New
Status in linux package in Ubuntu:
  Confirmed

Bug description:
  System: Dell XPS 13 9343

  Action: Boot computer

  Expected Behavior: Keyboard backlight would be off when computer is
  booted

  Actual Behavior: Keyboard backlight is on at boot

  This did not happen with Ubuntu 15.04

  There are new files in Ubuntu 15.10 -
  /sys/class/leds/dell::kbd_backlight$

  cat stop_timeout
  60s

   cat start_triggers 
  +keyboard +touchpad

  cat trigger 
  [none] AC-online BAT0-charging-or-full BAT0-charging BAT0-full BAT0-charging-blink-full-solid usb-gadget usb-host cpu0 cpu1 cpu2 cpu3 mmc0 rfkill0

  cat brightness 
  2

  ---

  Unsure if these files are important, but included in the report

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: linux-image-4.1.0-2-generic 4.1.0-2.2
  ProcVersionSignature: Ubuntu 4.1.0-2.2-generic 4.1.3
  Uname: Linux 4.1.0-2-generic x86_64
  ApportVersion: 2.18-0ubuntu5
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  ubuntu     2488 F.... pulseaudio
   /dev/snd/controlC0:  ubuntu     2488 F.... pulseaudio
  CasperVersion: 1.362
  CurrentDesktop: Unity
  Date: Tue Oct 27 01:29:47 2015
  IwConfig:
   enx00249b0981e3  no wireless extensions.
   
   lo        no wireless extensions.
  LiveMediaBuild: Ubuntu 15.10 "Wily Werewolf" - Alpha amd64 (20150730)
  MachineType: Dell Inc. XPS 13 9343
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/username.seed boot=casper quiet splash --- cdrom-detect/try-usb=true noprompt
  RelatedPackageVersions:
   linux-restricted-modules-4.1.0-2-generic N/A
   linux-backports-modules-4.1.0-2-generic  N/A
   linux-firmware                           1.145
  RfKill:
   0: hci0: Bluetooth
   	Soft blocked: no
   	Hard blocked: no
  SourcePackage: linux
  UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 07/14/2015
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A05
  dmi.board.name: 0TM99H
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 9
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA05:bd07/14/2015:svnDellInc.:pnXPS139343:pvr:rvnDellInc.:rn0TM99H:rvrA00:cvnDellInc.:ct9:cvr:
  dmi.product.name: XPS 13 9343
  dmi.sys.vendor: Dell Inc.

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