apport information

** Attachment added: "Lsusb.txt"
   https://bugs.launchpad.net/bugs/1806343/+attachment/5223882/+files/Lsusb.txt

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https://bugs.launchpad.net/bugs/1806343

Title:
  FN+F3/F4 does not modify keyboard backlight brightness.

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  acpi_listen does not output anything to terminal when pressing key
  combination.

  Keyboard backlight has worked on older versions (I believe 18.04 or
  earlier.)

  I can manually toggle with:

  echo 0 | sudo tee --append /sys/class/leds/asus\:\:kbd_backlight_1/brightness
  echo 1 | sudo tee --append /sys/class/leds/asus\:\:kbd_backlight_1/brightness
  echo 2 | sudo tee --append /sys/class/leds/asus\:\:kbd_backlight_1/brightness
  echo 3 | sudo tee --append /sys/class/leds/asus\:\:kbd_backlight_1/brightness

  for varying degrees of brightness.
  --- 
  ProblemType: Bug
  ApportVersion: 2.20.10-0ubuntu14
  Architecture: amd64
  CurrentDesktop: ubuntu:GNOME
  DistroRelease: Ubuntu 19.04
  InstallationDate: Installed on 2018-11-28 (4 days ago)
  InstallationMedia: Ubuntu 19.04 "Disco Dingo" - Alpha amd64 (20181128)
  NonfreeKernelModules: nvidia_modeset nvidia
  Package: linux (not installed)
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  Tags:  disco
  Uname: Linux 4.19.6-041906-generic x86_64
  UnreportableReason: The running kernel is not an Ubuntu kernel
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom debian-tor dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  --- 
  ProblemType: Bug
  ApportVersion: 2.20.10-0ubuntu14
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  duck       3632 F.... pulseaudio
  CurrentDesktop: ubuntu:GNOME
  DistroRelease: Ubuntu 19.04
  InstallationDate: Installed on 2018-11-28 (22 days ago)
  InstallationMedia: Ubuntu 19.04 "Disco Dingo" - Alpha amd64 (20181128)
  MachineType: ASUSTeK COMPUTER INC. GL502VMK
  NonfreeKernelModules: nvidia_drm nvidia_modeset nvidia
  Package: linux (not installed)
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 EFI VGA
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.18.0-11-generic 
root=/dev/mapper/vg0-root ro quiet splash acpi_osi= acpi_backlight=native 
vt.handoff=1
  ProcVersionSignature: Ubuntu 4.18.0-11.12-generic 4.18.12
  RelatedPackageVersions:
   linux-restricted-modules-4.18.0-11-generic N/A
   linux-backports-modules-4.18.0-11-generic  N/A
   linux-firmware                             1.176
  Tags:  disco
  Uname: Linux 4.18.0-11-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom debian-tor dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 07/03/2017
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: GL502VMK.305
  dmi.board.asset.tag: ATN12345678901234567
  dmi.board.name: GL502VMK
  dmi.board.vendor: ASUSTeK COMPUTER INC.
  dmi.board.version: 1.0
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: ASUSTeK COMPUTER INC.
  dmi.chassis.version: 1.0
  dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvrGL502VMK.305:bd07/03/2017:svnASUSTeKCOMPUTERINC.:pnGL502VMK:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnGL502VMK:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
  dmi.product.family: GL
  dmi.product.name: GL502VMK
  dmi.product.version: 1.0
  dmi.sys.vendor: ASUSTeK COMPUTER INC.

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