I have now tested the very latest kernel, version 3.19 rc 1 (from
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.19-rc1-vivid/), and
backlight control still does not work.
The indicator does pop up and indicates increase and decrease in the
correct way, but the actual backlight level on the laptop screen does
not change.
Furthermore, the function key to turn off the touchpad does not work,
and doesn't even show an indicator bubble.
** Tags removed: kernel-bug-exists-upstream-3.18-rc4
** Tags added: kernel-bug-exists-upstream-3.19-rc1
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1392016
Title:
[Asus UL30VT] Backlight control does not work
Status in linux package in Ubuntu:
Confirmed
Bug description:
The backlight control on my Asus UL30VT has not worked for quite a
while. It used to work, a few ubuntu versions ago. The backlight
control bubble does show up when the function keys on the laptop are
pressed.
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/controlC1: lina 2081 F.... pulseaudio
/dev/snd/controlC0: lina 2081 F.... pulseaudio
CurrentDesktop: Unity
Date: Wed Nov 12 20:20:31 2014
EcryptfsInUse: Yes
HibernationDevice: RESUME=UUID=c8002bb0-2b05-4952-bc8b-bfcd29ac6117
InstallationDate: Installed on 2013-02-26 (623 days ago)
InstallationMedia: This
MachineType: ASUSTeK Computer Inc. UL30VT
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-39-generic
root=UUID=ff44dc17-e11a-4d44-8ab6-bf188f64ed83 ro quiet splash
acpi_backlight=vendor vt.handoff=7
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: Upgraded to trusty on 2014-07-20 (115 days ago)
dmi.bios.date: 07/14/2010
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 211
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: UL30VT
dmi.board.vendor: ASUSTeK Computer Inc.
dmi.board.version: 1.0
dmi.chassis.asset.tag: ATN12345678901234567
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTeK Computer Inc.
dmi.chassis.version: 1.0
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr211:bd07/14/2010:svnASUSTeKComputerInc.:pnUL30VT:pvr1.0:rvnASUSTeKComputerInc.:rnUL30VT:rvr1.0:cvnASUSTeKComputerInc.:ct10:cvr1.0:
dmi.product.name: UL30VT
dmi.product.version: 1.0
dmi.sys.vendor: ASUSTeK Computer Inc.
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