You have been subscribed to a public bug:
When pressing F5/F6 to decrease keyboard backlight on Macbook Air 4,1,
the kbd backlight suddenly become to the MAX (full) value when it's
going to be MIN (zero).
Expected behavior:
Keep pressing F5, the kbd backlight should decrease until zero and the
backlight applet should display an empty bar.
Current behavior:
Keep pressing F5, the kdb backlight decreases until zero (dark without any
light), but the applet jump to a full bar - So pressing F5/F6 again would
adjust the kbd backlight from maximum state (instead of minimum state).
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-image-3.2.0-8-generic 3.2.0-8.14
ProcVersionSignature: Ubuntu 3.2.0-8.14-generic 3.2.0
Uname: Linux 3.2.0-8-generic x86_64
NonfreeKernelModules: wl
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 1.90-0ubuntu1
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: Cirrus Analog [Cirrus Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: lli5 1417 F.... pulseaudio
Card0.Amixer.info:
Card hw:0 'PCH'/'HDA Intel PCH at 0x90600000 irq 47'
Mixer name : 'Intel CougarPoint HDMI'
Components : 'HDA:10134206,106b6200,00100302
HDA:80862805,80860101,00100000'
Controls : 25
Simple ctrls : 9
Date: Mon Jan 9 07:51:30 2012
HibernationDevice: RESUME=UUID=cc35910e-72f8-4156-85f0-acfc48012f31
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64+mac
(20120108)
MachineType: Apple Inc. MacBookAir4,1
ProcEnviron:
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-8-generic
root=UUID=02e7076b-bab1-4657-ae2c-d6c733869f1c ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.2.0-8-generic N/A
linux-backports-modules-3.2.0-8-generic N/A
linux-firmware 1.67
SourcePackage: linux
StagingDrivers: mei
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/14/2011
dmi.bios.vendor: Apple Inc.
dmi.bios.version: MBA41.88Z.0077.B0E.1110141154
dmi.board.asset.tag: Base Board Asset Tag#
dmi.board.name: Mac-C08A6BB70A942AC2
dmi.board.vendor: Apple Inc.
dmi.board.version: MacBookAir4,1
dmi.chassis.type: 10
dmi.chassis.vendor: Apple Inc.
dmi.chassis.version: Mac-C08A6BB70A942AC2
dmi.modalias:
dmi:bvnAppleInc.:bvrMBA41.88Z.0077.B0E.1110141154:bd10/14/2011:svnAppleInc.:pnMacBookAir4,1:pvr1.0:rvnAppleInc.:rnMac-C08A6BB70A942AC2:rvrMacBookAir4,1:cvnAppleInc.:ct10:cvrMac-C08A6BB70A942AC2:
dmi.product.name: MacBookAir4,1
dmi.product.version: 1.0
dmi.sys.vendor: Apple Inc.
** Affects: gnome-settings-daemon (Ubuntu)
Importance: Medium
Status: Incomplete
** Tags: amd64 apport-bug confirmed kernel-bug-exists-upstream precise
running-unity staging
--
keyboard backlight adjust wrongly
https://bugs.launchpad.net/bugs/913793
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Bugs, which is subscribed to gnome-settings-daemon in Ubuntu.
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