[Asus ZenBook UX501VW] Function keys to change keyboard brightness don't work

[David DIDIER]

On Ubuntu Ubuntu 16.04.1 LTS with all the latest kernels installed from http://kernel.ubuntu.com/~kernel-ppa/mainline/ : 4.4.19, 4.5.7, 4.6.7, 4.7.3 nor 4.8-rc6.

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: xorg 1:7.7+13ubuntu3
Uname: Linux 4.8.0-040800rc6-generic x86_64
NonfreeKernelModules: nvidia_drm nvidia_modeset nvidia
.proc.driver.nvidia.gpus.0000.01.00.0: Error: [Errno 21] est un dossier: '/proc/driver/nvidia/gpus/0000:01:00.0'
.proc.driver.nvidia.registry: Binary: ""
.proc.driver.nvidia.version:
 NVRM version: NVIDIA UNIX x86_64 Kernel Module 367.44 Wed Aug 17 22:24:07 PDT 2016
 GCC version: gcc version 5.4.0 20160609 (Ubuntu 5.4.0-6ubuntu1~16.04.2)
.tmp.unity_support_test.0:

ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
BootLog:

CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: compiz
CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
CompositorUnredirectFSW: true
Date: Tue Sep 13 21:44:06 2016
DistUpgraded: Fresh install
DistroCodename: xenial
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes
GraphicsCard:
 Intel Corporation Skylake Integrated Graphics [8086:191b] (rev 06) (prog-if 00 [VGA controller])
   Subsystem: ASUSTeK Computer Inc. Skylake Integrated Graphics [1043:1080]
   Subsystem: ASUSTeK Computer Inc. GM107M [GeForce GTX 960M] [1043:1080]
InstallationDate: Installed on 2016-06-01 (104 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
Lsusb:
 Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
 Bus 001 Device 004: ID 8087:0a2a Intel Corp.
 Bus 001 Device 003: ID 046d:c069 Logitech, Inc. M-U0007 [Corded Mouse M500]
 Bus 001 Device 002: ID 04f2:b3fd Chicony Electronics Co., Ltd
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: ASUSTeK COMPUTER INC. N501VW
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.8.0-040800rc6-generic root=UUID=ad612961-a4ae-4950-9d5a-20dcf8e56681 ro quiet splash acpi_osi= acpi_backlight=native nouveau.modeset=0 nvidia.nomodeset=0 i915.nomodeset=0 vt.handoff=7
SourcePackage: xorg
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 05/09/2016
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: N501VW.300
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: N501VW
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.:bvrN501VW.300:bd05/09/2016:svnASUSTeKCOMPUTERINC.:pnN501VW:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnN501VW:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
dmi.product.name: N501VW
dmi.product.version: 1.0
dmi.sys.vendor: ASUSTeK COMPUTER INC.
version.compiz: compiz 1:0.9.12.2+16.04.20160823-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.67-1ubuntu0.16.04.2
version.libgl1-mesa-dri: libgl1-mesa-dri 11.2.0-1ubuntu2.2
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 11.2.0-1ubuntu2.2
version.nvidia-graphics-drivers: nvidia-graphics-drivers-* N/A
version.xserver-xorg-core: xserver-xorg-core 2:1.18.3-1ubuntu2.3
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.1-1ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.7.0-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20160325-1ubuntu1.1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.12-1build2
xserver.bootTime: Tue Sep 13 21:14:29 2016
xserver.configfile: default
xserver.errors:
 Failed to load module "nvidia" (module does not exist, 0)
 Failed to load module "nvidia" (module does not exist, 0)
 [drm] Failed to open DRM device for (null): -22
xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:
 product id 12876
 vendor SDC
xserver.version: 2:1.18.3-1ubuntu2.3

[Timo Aaltonen (tjaalton)]

kernel bug

[Timo Aaltonen (tjaalton)]

or udev, maybe

[Joseph Salisbury (jsalisbury)]

This issue appears to be an upstream bug, since you tested the latest upstream kernel. Would it be possible for you to open an upstream bug report[0]? That will allow the upstream Developers to examine the issue, and may provide a quicker resolution to the bug.

Please follow the instructions on the wiki page[0]. The first step is to email the appropriate mailing list. If no response is received, then a bug may be opened on bugzilla.kernel.org.

Once this bug is reported upstream, please add the tag: 'kernel-bug-reported-upstream'.

[0] https://wiki.ubuntu.com/Bugs/Upstream/kernel

[David DIDIER (ddidier)]

See https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1622005/comments/9

[Po-Hsu Lin (cypressyew)]

4.8 kernel EOL,
please feel free to open a new bug if you're still encounter this issue with newer releases.