kernel-packages team mailing list archive

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

LaunchPadGirl, thank you for reporting this and helping make Ubuntu better. Could you please comment on if using the following kernel boot parameters individually allow you to adjust the backlight:
acpi_backlight=vendor
video.use_bios_initial_backlight=0

For more on utilizing kernel boot parameters, please see
https://wiki.ubuntu.com/Kernel/KernelBootParameters .

** Package changed: linux-lts-raring (Ubuntu) => linux (Ubuntu)

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

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

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https://bugs.launchpad.net/bugs/1264104

Title:
  10de:0fd4 Asus G75VW F5/F6 doesn't change screen brightness

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  Via my Asus G75VW, I've tried 12.04 & 13.10 and the F5 & F6 for screen
  brightness don't work.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: linux-image-3.8.0-34-generic 3.8.0-34.49~precise1
  ProcVersionSignature: Ubuntu 3.8.0-34.49~precise1-generic 3.8.13.12
  Uname: Linux 3.8.0-34-generic x86_64
  NonfreeKernelModules: nvidia
  AlsaVersion: Advanced Linux Sound Architecture Driver Version k3.8.0-34-generic.
  ApportVersion: 2.0.1-0ubuntu17.6
  Architecture: amd64
  ArecordDevices:
   **** List of CAPTURE Hardware Devices ****
   card 0: PCH [HDA Intel PCH], device 0: VT1802 Analog [VT1802 Analog]
     Subdevices: 2/2
     Subdevice #0: subdevice #0
     Subdevice #1: subdevice #1
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  sar        1704 F.... pulseaudio
   /dev/snd/controlC0:  sar        1704 F.... pulseaudio
  CRDA: Error: [Errno 2] No such file or directory
  Card0.Amixer.info:
   Card hw:0 'PCH'/'HDA Intel PCH at 0xf7310000 irq 44'
     Mixer name	: 'VIA VT1802'
     Components	: 'HDA:11068446,10431487,00100000'
     Controls      : 40
     Simple ctrls  : 18
  Card1.Amixer.info:
   Card hw:1 'NVidia'/'HDA NVidia at 0xf7080000 irq 17'
     Mixer name	: 'Nvidia GPU 42 HDMI/DP'
     Components	: 'HDA:10de0042,10432119,00100100'
     Controls      : 14
     Simple ctrls  : 2
  Date: Wed Dec 25 03:03:22 2013
  HibernationDevice: RESUME=UUID=1a59e00b-3953-4933-9a27-791a963642fc
  InstallationMedia: Ubuntu 12.04.3 LTS "Precise Pangolin" - Release amd64 (20130820.1)
  MachineType: ASUSTeK COMPUTER INC. G75VW
  MarkForUpload: True
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB:

  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-34-generic root=UUID=97cd6fd3-61e8-465f-8ebb-a54732d37062 ro quiet splash
  RelatedPackageVersions:
   linux-restricted-modules-3.8.0-34-generic N/A
   linux-backports-modules-3.8.0-34-generic  N/A
   linux-firmware                            1.79.9
  SourcePackage: linux-lts-raring
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 01/07/2013
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: G75VW.223
  dmi.board.asset.tag: ATN12345678901234567
  dmi.board.name: G75VW
  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.:bvrG75VW.223:bd01/07/2013:svnASUSTeKCOMPUTERINC.:pnG75VW:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnG75VW:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
  dmi.product.name: G75VW
  dmi.product.version: 1.0
  dmi.sys.vendor: ASUSTeK COMPUTER INC.

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