Public bug reported:
The backlight for this model cannot be modified by the backlight keys
unless a GRUB configuration is built with acpi_backlight=none set in
/etc/default/grub.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.4.0-34-generic 4.4.0-34.53
ProcVersionSignature: Ubuntu 4.4.0-34.53-generic 4.4.15
Uname: Linux 4.4.0-34-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/pcmC0D0p: mmstick 3054 F...m pulseaudio
/dev/snd/controlC0: mmstick 3054 F.... pulseaudio
CurrentDesktop: GNOME
Date: Sun Aug 14 15:43:13 2016
HibernationDevice: RESUME=UUID=43c727dc-4258-4b8f-b38d-ac0aaa416526
InstallationDate: Installed on 2016-08-14 (0 days ago)
InstallationMedia: Ubuntu-GNOME 16.04.1 LTS "Xenial Xerus" - Release amd64
(20160720)
MachineType: Sony Corporation VPCEG16FM
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-4.4.0-34-generic
root=UUID=4001663d-ba36-4c89-a89a-bb248d1d261c ro rootflags=subvol=@ quiet
splash acpi_osi=Linux acpi_backlight=none video.use_native_backlight=1
vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-4.4.0-34-generic N/A
linux-backports-modules-4.4.0-34-generic N/A
linux-firmware 1.157.3
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 05/02/2011
dmi.bios.vendor: INSYDE
dmi.bios.version: R0210Z8
dmi.board.asset.tag: N/A
dmi.board.name: VAIO
dmi.board.vendor: Sony Corporation
dmi.board.version: N/A
dmi.chassis.asset.tag: N/A
dmi.chassis.type: 10
dmi.chassis.vendor: Sony Corporation
dmi.chassis.version: N/A
dmi.modalias:
dmi:bvnINSYDE:bvrR0210Z8:bd05/02/2011:svnSonyCorporation:pnVPCEG16FM:pvrC900R1KJ:rvnSonyCorporation:rnVAIO:rvrN/A:cvnSonyCorporation:ct10:cvrN/A:
dmi.product.name: VPCEG16FM
dmi.product.version: C900R1KJ
dmi.sys.vendor: Sony Corporation
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug xenial
** Summary changed:
- Sony VAIO PCG-61A12L Intel Backlight Issue
+ Sony VAIO PCG-61A12L (VPCEG16FM) Intel Backlight Issue
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https://bugs.launchpad.net/bugs/1613106
Title:
Sony VAIO PCG-61A12L (VPCEG16FM) Intel Backlight Issue
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