Public bug reported:
Tryed to set up /etc/default/grub with GRUB_CMDLINE_LINUX_DEFAULT="quiet
splash acpi_backlight=vendor" and created
/usr/share/X11/xorg.conf.d/80-backlight.conf with:
Section "Device"
Identifier "Intel Graphics"
Driver "intel"
Option "AccelMethod" "sna"
Option "Backlight" "acpi_video0"
BusID "PCI:0:2:0"
EndSection
Still not working!
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-4.15.0-24-generic 4.15.0-24.26
ProcVersionSignature: Ubuntu 4.15.0-24.26-generic 4.15.18
Uname: Linux 4.15.0-24-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.2
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: tprigas 1679 F.... pulseaudio
CurrentDesktop: ubuntu:GNOME
Date: Wed Jul 4 05:37:45 2018
InstallationDate: Installed on 2018-06-27 (7 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
MachineType: TOSHIBA QOSMIO X770
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-24-generic
root=UUID=3ce7f2da-4fdf-4100-b7d3-0a9be1c0d836 ro quiet splash
acpi_backlight=vendor vt.handoff=1
RelatedPackageVersions:
linux-restricted-modules-4.15.0-24-generic N/A
linux-backports-modules-4.15.0-24-generic N/A
linux-firmware 1.173.1
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/30/2012
dmi.bios.vendor: TOSHIBA
dmi.bios.version: 2.10
dmi.board.asset.tag: NULL
dmi.board.name: PGRAA
dmi.board.vendor: TOSHIBA
dmi.board.version: 1.00
dmi.chassis.asset.tag: *
dmi.chassis.type: 10
dmi.chassis.vendor: TOSHIBA
dmi.chassis.version: N/A
dmi.modalias:
dmi:bvnTOSHIBA:bvr2.10:bd10/30/2012:svnTOSHIBA:pnQOSMIOX770:pvrPSBY5E-02Q00NEP:rvnTOSHIBA:rnPGRAA:rvr1.00:cvnTOSHIBA:ct10:cvrN/A:
dmi.product.family: ABCDEFGHIJKLMNOPQRSTUVWXYZ
dmi.product.name: QOSMIO X770
dmi.product.version: PSBY5E-02Q00NEP
dmi.sys.vendor: TOSHIBA
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug bionic third-party-packages
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https://bugs.launchpad.net/bugs/1780013
Title:
Keyboard Backlight not working
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