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[Brad Figg <brad.figg@xxxxxxxxxxxxx>]

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** Changed in: linux (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1577702

Title:
  Lenovo Y510p Backlight control not changing backlight

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  Potentially the same bug as #1258058 however it was closed due to
  inactivity

  the backlight controls worked fine under Kubuntu

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: linux-image-4.4.0-21-generic 4.4.0-21.37 [modified: boot/vmlinuz-4.4.0-21-generic]
  ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6
  Uname: Linux 4.4.0-21-generic x86_64
  NonfreeKernelModules: nvidia_uvm nvidia_modeset nvidia
  ApportVersion: 2.20.1-0ubuntu2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  aj         2104 F.... pulseaudio
   /dev/snd/controlC0:  aj         2104 F.... pulseaudio
  CurrentDesktop: GNOME
  Date: Tue May  3 02:41:42 2016
  EcryptfsInUse: Yes
  HibernationDevice: RESUME=UUID=5a28597e-d4c1-4c0f-aae4-1c674f67e436
  InstallationDate: Installed on 2016-05-03 (0 days ago)
  InstallationMedia: Ubuntu-GNOME 16.04 LTS "Xenial Xerus" - Release amd64 (20160421)
  MachineType: LENOVO 20217
  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: \vmlinuz-4.4.0-21-generic.efi.signed root=UUID=f78854ef-3876-45cd-90c6-d67a77af7a32 ro rootflags=subvol=@ quiet splash vt.handoff=7 initrd=\initrd.img-4.4.0-21-generic
  RelatedPackageVersions:
   linux-restricted-modules-4.4.0-21-generic N/A
   linux-backports-modules-4.4.0-21-generic  N/A
   linux-firmware                            1.157
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 1/30/2015
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 74CN47WW(V3.08)
  dmi.board.asset.tag: No Asset Tag
  dmi.board.name: VIQY0Y1
  dmi.board.vendor: LENOVO
  dmi.board.version: 31900058STD
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Lenovo IdeaPad Y510P
  dmi.modalias: dmi:bvnLENOVO:bvr74CN47WW(V3.08):bd1/30/2015:svnLENOVO:pn20217:pvrLenovoIdeaPadY510P:rvnLENOVO:rnVIQY0Y1:rvr31900058STD:cvnLENOVO:ct10:cvrLenovoIdeaPadY510P:
  dmi.product.name: 20217
  dmi.product.version: Lenovo IdeaPad Y510P
  dmi.sys.vendor: LENOVO

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