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[lp <1263498@xxxxxxxxxxxxxxxxxx>]

Hello, now it is possible for me to control the brightness via "System
Settings" -> Brightness and lock" -> "Brightness" slider!

But the fn button still not work (except once a time with the kernel
parameter "acpi_osi=" until to the next reboot).

Since Autum it works over die Brightness slider, but i don't no why...
maybe due to the newer nvidia driver (331.38 -> 331.113)...


 % uname -a

Linux G75VX 3.13.0-40-generic #69-Ubuntu SMP Thu Nov 13 17:53:56 UTC
2014 x86_64 x86_64 x86_64 GNU/Linux


% sudo lspci -v| sed -ne '/NVIDIA/,/^$/ { p; }'

01:00.0 VGA compatible controller: NVIDIA Corporation GK104M [GeForce GTX 670MX] (rev a1) (prog-if 00 [VGA controller])
	Subsystem: ASUSTeK Computer Inc. Device 21ab
	Flags: bus master, fast devsel, latency 0, IRQ 46
	Memory at f4000000 (32-bit, non-prefetchable) [size=16M]
	Memory at c0000000 (64-bit, prefetchable) [size=256M]
	Memory at d0000000 (64-bit, prefetchable) [size=32M]
	I/O ports at e000 [size=128]
	[virtual] Expansion ROM at f5000000 [disabled] [size=512K]
	Capabilities: [60] Power Management version 3
	Capabilities: [68] MSI: Enable+ Count=1/1 Maskable- 64bit+
	Capabilities: [78] Express Endpoint, MSI 00
	Capabilities: [b4] Vendor Specific Information: Len=14 <?>
	Capabilities: [100] Virtual Channel
	Capabilities: [128] Power Budgeting <?>
	Capabilities: [600] Vendor Specific Information: ID=0001 Rev=1 Len=024 <?>
	Kernel driver in use: nvidia

01:00.1 Audio device: NVIDIA Corporation GK104 HDMI Audio Controller (rev a1)
	Subsystem: ASUSTeK Computer Inc. Device 2116
	Flags: bus master, fast devsel, latency 0, IRQ 17
	Memory at f5080000 (32-bit, non-prefetchable) [size=16K]
	Capabilities: [60] Power Management version 3
	Capabilities: [68] MSI: Enable- Count=1/1 Maskable- 64bit+
	Capabilities: [78] Express Endpoint, MSI 00
	Kernel driver in use: snd_hda_intel


% lspci -v | perl -ne '/VGA/../^$/ and /VGA|Kern/ and print' 

01:00.0 VGA compatible controller: NVIDIA Corporation GK104M [GeForce GTX 670MX] (rev a1) (prog-if 00 [VGA controller])
	Kernel driver in use: nvidia


% dpkg --status nvidia-331 | grep Version

Version: 331.113-0ubuntu0.0.4


%   dpkg -l nvidia* 

ii  nvidia-331     331.113-0ubu amd64        NVIDIA binary driver - version 33
ii  nvidia-331-uvm 331.113-0ubu amd64        NVIDIA Unified Memory kernel modu
un  nvidia-common  <keine>      <keine>      (keine Beschreibung vorhanden)
un  nvidia-driver- <keine>      <keine>      (keine Beschreibung vorhanden)
ii  nvidia-libopen 331.113-0ubu amd64        NVIDIA OpenCL Driver and ICD Load
ii  nvidia-opencl- 331.113-0ubu amd64        NVIDIA OpenCL ICD
un  nvidia-persist <keine>      <keine>      (keine Beschreibung vorhanden)
ii  nvidia-prime   0.6.2        amd64        Tools to enable NVIDIA's Prime
ii  nvidia-setting 331.20-0ubun amd64        Tool for configuring the NVIDIA g
un  nvidia-setting <keine>      <keine>      (keine Beschreibung vorhanden)
un  nvidia-vdpau-d <keine>      <keine>      (keine Beschreibung vorhanden)

Kind regards,

patrice

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to nvidia-graphics-drivers-319 in Ubuntu.
https://bugs.launchpad.net/bugs/1263498

Title:
  Asus G75VX, can not modify brightness

Status in nvidia-graphics-drivers-319 package in Ubuntu:
  Confirmed
Status in nvidia-graphics-drivers-331 package in Ubuntu:
  Confirmed

Bug description:
  1. Ubuntu 13.10
  2. N: Unable to locate package nvidia-graphics-drivers-319
  3. I expected that when I changed the brightness level for my laptop monitor that the brightness would also change.
  4. Instead, the brightness always stays at 100%

  I have tried every configuration of grub that I have seen online or
  been asked to try on freenode.net #ubuntu by 3 different people.
  Nothing seems to fix this problem. The file for the brightness is
  always updated but it is like the driver never tells the hardware to
  change the brightness.

  I have tried Tried :
  acpi_backlight=vendor
  pcie_aspm=force
  acpi_osi='!Windows 2012'

  Option "RegistryDwords" "EnableBrightnessControl=1"

  echo 50 > /sys/class/backlight/acpi_video0/brightness
  echo 50 > /sys/class/backlight/acpi_video1/brightness
  echo 50 > /sys/class/backlight/asus/brightness

  nothing seems to work (the files are of course updated but the monitor
  rests at 100% brightness)

  I have also tried the XOrg-server and nvidia-304 drivers. They all
  have the same result, nothing.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.10
  Package: nvidia-319 319.32-0ubuntu7
  ProcVersionSignature: Ubuntu 3.11.0-14.21-generic 3.11.7
  Uname: Linux 3.11.0-14-generic x86_64
  NonfreeKernelModules: wl nvidia
  ApportVersion: 2.12.5-0ubuntu2.2
  Architecture: amd64
  Date: Sun Dec 22 16:16:35 2013
  InstallationDate: Installed on 2013-10-27 (55 days ago)
  InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
  MarkForUpload: True
  SourcePackage: nvidia-graphics-drivers-319
  UpgradeStatus: No upgrade log present (probably fresh install)
  modified.conffile..etc.modprobe.d.nvidia.319.hybrid.conf: [deleted]

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