Public bug reported:
Pressing Fn+F3 or Fn+F4 keys (which are the combinations to increase or
decrease keyboard backlight brightness, respectively) doesn't do
anything, the keyboard backlight stays off. Other key combinations, like
adjusting display brightness or audio volume, do work.
Keyboard backlight control worked in Kubuntu 18.04 on the same machine.
ProblemType: Bug
DistroRelease: Ubuntu 18.10
Package: linux-image-4.18.0-10-generic 4.18.0-10.11
ProcVersionSignature: Ubuntu 4.18.0-10.11-generic 4.18.12
Uname: Linux 4.18.0-10-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.20.10-0ubuntu13
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: lastique 2820 F.... pulseaudio
/dev/snd/controlC1: lastique 2820 F.... pulseaudio
CurrentDesktop: KDE
Date: Fri Oct 26 17:40:24 2018
InstallationDate: Installed on 2013-10-11 (1840 days ago)
InstallationMedia: Kubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
MachineType: ASUSTeK COMPUTER INC. N550JV
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.18.0-10-generic
root=UUID=bafa6509-dea3-48a1-a308-129b1514ab28 ro quiet splash nmi_watchdog=0
RelatedPackageVersions:
linux-restricted-modules-4.18.0-10-generic N/A
linux-backports-modules-4.18.0-10-generic N/A
linux-firmware 1.175
SourcePackage: linux
UpgradeStatus: Upgraded to cosmic on 2018-10-20 (6 days ago)
WifiSyslog:
dmi.bios.date: 11/19/2013
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: N550JV.208
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: N550JV
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.:bvrN550JV.208:bd11/19/2013:svnASUSTeKCOMPUTERINC.:pnN550JV:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnN550JV:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
dmi.product.family: N
dmi.product.name: N550JV
dmi.product.sku: ASUS-NotebookSKU
dmi.product.version: 1.0
dmi.sys.vendor: ASUSTeK COMPUTER INC.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Confirmed
** Tags: amd64 apport-bug cosmic kernel-fixed-upstream
** Tags added: kernel-fixed-upstream
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https://bugs.launchpad.net/bugs/1800164
Title:
Keyboard backlight control doesn't work on Asus N550JV
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