** Tags added: kernel-bug-exists-upstream kernel-bug-exists-upstream-4.9
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1651629
Title:
[Asus X200M] Brightness keys don't work.
Status in linux package in Ubuntu:
Confirmed
Bug description:
Fn + F5 or F6 is supposed to lower or raise the brightness
respectively. By default, nothing happens when pushing the
buttons.Editing the grub config to add "acpi_osi=" to the kernel
command line seems to make the buttons get recognized, and the
brightness popup displays, but the actual brightness doesn't change.
WORKAROUND: Pipe a number into
"/sys/class/backlight/intel_backlight/brightness", or use the
brightness slider that shows up in the drop-down from the Gnome status
bar.
ProblemType: Bug
DistroRelease: Ubuntu 16.10
Package: linux-image-4.8.0-32-generic 4.8.0-32.34
ProcVersionSignature: Ubuntu 4.8.0-32.34-generic 4.8.11
Uname: Linux 4.8.0-32-generic x86_64
ApportVersion: 2.20.3-0ubuntu8.2
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: alicethegorgon 1381 F.... pulseaudio
CurrentDesktop: GNOME
Date: Tue Dec 20 20:53:38 2016
HibernationDevice: RESUME=UUID=563d2c5e-63fe-4f34-b709-343b0d736c48
InstallationDate: Installed on 2016-12-21 (0 days ago)
InstallationMedia: Ubuntu-GNOME 16.10 "Yakkety Yak" - Release amd64
(20161012.1)
Lsusb:
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 004: ID 05e3:0608 Genesys Logic, Inc. Hub
Bus 001 Device 003: ID 0bda:5605 Realtek Semiconductor Corp.
Bus 001 Device 002: ID 0457:1029 Silicon Integrated Systems Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: ASUSTeK COMPUTER INC. X200MA
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.8.0-32-generic.efi.signed
root=UUID=2ead8d38-6489-4a46-848c-77ea3d7e2ef8 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-4.8.0-32-generic N/A
linux-backports-modules-4.8.0-32-generic N/A
linux-firmware 1.161.1
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 09/11/2014
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: X200MA.502
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: X200MA
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.:bvrX200MA.502:bd09/11/2014:svnASUSTeKCOMPUTERINC.:pnX200MA:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnX200MA:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
dmi.product.name: X200MA
dmi.product.version: 1.0
dmi.sys.vendor: ASUSTeK COMPUTER INC.
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