Public bug reported:
In System Settings / Brightness & Lock the brightness slider doesn't
work with kernel 3.13.0-39-generic.
The brightness slider control does work when using vanilla kernel
3.17.2.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-39-generic 3.13.0-39.66
ProcVersionSignature: Ubuntu 3.13.0-39.66-generic 3.13.11.8
Uname: Linux 3.13.0-39-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.5
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: jamse 1476 F.... pulseaudio
CurrentDesktop: Unity
CurrentDmesg: [ 30.236585] init: plymouth-upstart-bridge main process ended,
respawning
Date: Tue Nov 11 16:52:04 2014
HibernationDevice: RESUME=UUID=2b9bf124-e148-4417-b73e-43726a565b1c
InstallationDate: Installed on 2014-11-07 (3 days ago)
InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
Lsusb:
Bus 001 Device 004: ID 04ca:3010 Lite-On Technology Corp.
Bus 001 Device 003: ID 04f2:b424 Chicony Electronics Co., Ltd
Bus 001 Device 002: ID 8087:07e6 Intel Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: ASUSTeK COMPUTER INC. X553MA
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-39-generic.efi.signed
root=UUID=33ef15f0-b76d-478a-b497-66cd13464760 ro quiet splash
RelatedPackageVersions:
linux-restricted-modules-3.13.0-39-generic N/A
linux-backports-modules-3.13.0-39-generic N/A
linux-firmware 1.127.8
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/16/2014
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: X553MA.204
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: X553MA
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.:bvrX553MA.204:bd04/16/2014:svnASUSTeKCOMPUTERINC.:pnX553MA:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnX553MA:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
dmi.product.name: X553MA
dmi.product.version: 1.0
dmi.sys.vendor: ASUSTeK COMPUTER INC.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug third-party-packages trusty
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https://bugs.launchpad.net/bugs/1391545
Title:
[Asus X553MA] Screen brightness control doesn't work
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