apport information
** Tags added: apport-collected
** Description changed:
Hi, latest Ubuntu 12.04 cannot change brightness of screen and keyboard
backlight in macbook Air 4,2. OSX could. Please add this feature.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-image-3.2.0-23-generic 3.2.0-23.36
ProcVersionSignature: Ubuntu 3.2.0-23.36-generic 3.2.14
Uname: Linux 3.2.0-23-generic x86_64
NonfreeKernelModules: wl
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 2.0.1-0ubuntu5
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: tomas 1895 F.... pulseaudio
CRDA:
country CZ:
(2400 - 2483 @ 40), (N/A, 20)
(5150 - 5250 @ 40), (N/A, 23), NO-OUTDOOR
(5250 - 5350 @ 40), (N/A, 20), NO-OUTDOOR, DFS
(5470 - 5725 @ 40), (N/A, 26), DFS
Card0.Amixer.info:
Card hw:0 'PCH'/'HDA Intel PCH at 0xa0600000 irq 47'
Mixer name : 'Intel CougarPoint HDMI'
Components : 'HDA:10134206,106b5b00,00100302
HDA:80862805,80860101,00100000'
Controls : 29
Simple ctrls : 9
CurrentDmesg:
Error: command ['sh', '-c', 'dmesg | comm -13 --nocheck-order /var/log/dmesg
-'] failed with exit code 1: comm: /var/log/dmesg: Permission denied
dmesg: write failed: Broken pipe
Date: Wed Apr 25 08:20:08 2012
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64+mac
(20120412)
MachineType: Apple Inc. MacBookAir4,2
ProcEnviron:
PATH=(custom, no user)
LANG=cs_CZ.UTF-8
SHELL=/bin/bash
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/@/boot/vmlinuz-3.2.0-23-generic
root=UUID=0d80827e-6a72-4f28-adbe-6fc585449902 ro rootflags=subvol=@ quiet
splash vt.handoff=7
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
WifiSyslog:
dmi.bios.date: 01/24/2012
dmi.bios.vendor: Apple Inc.
dmi.bios.version: MBA41.88Z.0077.B0F.1201241549
dmi.board.asset.tag: Base Board Asset Tag#
dmi.board.name: Mac-742912EFDBEE19B3
dmi.board.vendor: Apple Inc.
dmi.board.version: MacBookAir4,2
dmi.chassis.type: 10
dmi.chassis.vendor: Apple Inc.
dmi.chassis.version: Mac-742912EFDBEE19B3
dmi.modalias:
dmi:bvnAppleInc.:bvrMBA41.88Z.0077.B0F.1201241549:bd01/24/2012:svnAppleInc.:pnMacBookAir4,2:pvr1.0:rvnAppleInc.:rnMac-742912EFDBEE19B3:rvrMacBookAir4,2:cvnAppleInc.:ct10:cvrMac-742912EFDBEE19B3:
dmi.product.name: MacBookAir4,2
dmi.product.version: 1.0
dmi.sys.vendor: Apple Inc.
+ ---
+ AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
+ ApportVersion: 2.0.1-0ubuntu5
+ 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: tomas 1895 F.... pulseaudio
+ CRDA:
+ country DE:
+ (2400 - 2483 @ 40), (N/A, 20)
+ (5150 - 5250 @ 40), (N/A, 20), NO-OUTDOOR
+ (5250 - 5350 @ 40), (N/A, 20), NO-OUTDOOR, DFS
+ (5470 - 5725 @ 40), (N/A, 26), DFS
+ Card0.Amixer.info:
+ Card hw:0 'PCH'/'HDA Intel PCH at 0xa0600000 irq 47'
+ Mixer name : 'Intel CougarPoint HDMI'
+ Components : 'HDA:10134206,106b5b00,00100302
HDA:80862805,80860101,00100000'
+ Controls : 29
+ Simple ctrls : 9
+ CurrentDmesg:
+ Error: command ['sh', '-c', 'dmesg | comm -13 --nocheck-order /var/log/dmesg
-'] failed with exit code 1: comm: /var/log/dmesg: Permission denied
+ dmesg: write failed: Broken pipe
+ DistroRelease: Ubuntu 12.04
+ InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64+mac
(20120412)
+ MachineType: Apple Inc. MacBookAir4,2
+ NonfreeKernelModules: wl
+ Package: linux (not installed)
+ ProcEnviron:
+ TERM=xterm
+ PATH=(custom, no user)
+ LANG=cs_CZ.UTF-8
+ SHELL=/bin/bash
+ ProcFB: 0 inteldrmfb
+ ProcKernelCmdLine: BOOT_IMAGE=/@/boot/vmlinuz-3.2.0-23-generic
root=UUID=0d80827e-6a72-4f28-adbe-6fc585449902 ro rootflags=subvol=@ quiet
splash vt.handoff=7
+ ProcVersionSignature: Ubuntu 3.2.0-23.36-generic 3.2.14
+ SourcePackage: linux
+ Tags: precise precise
+ Uname: Linux 3.2.0-23-generic x86_64
+ UpgradeStatus: No upgrade log present (probably fresh install)
+ UserGroups: sudo
+ WifiSyslog:
+
+ dmi.bios.date: 01/24/2012
+ dmi.bios.vendor: Apple Inc.
+ dmi.bios.version: MBA41.88Z.0077.B0F.1201241549
+ dmi.board.asset.tag: Base Board Asset Tag#
+ dmi.board.name: Mac-742912EFDBEE19B3
+ dmi.board.vendor: Apple Inc.
+ dmi.board.version: MacBookAir4,2
+ dmi.chassis.type: 10
+ dmi.chassis.vendor: Apple Inc.
+ dmi.chassis.version: Mac-742912EFDBEE19B3
+ dmi.modalias:
dmi:bvnAppleInc.:bvrMBA41.88Z.0077.B0F.1201241549:bd01/24/2012:svnAppleInc.:pnMacBookAir4,2:pvr1.0:rvnAppleInc.:rnMac-742912EFDBEE19B3:rvrMacBookAir4,2:cvnAppleInc.:ct10:cvrMac-742912EFDBEE19B3:
+ dmi.product.name: MacBookAir4,2
+ dmi.product.version: 1.0
+ dmi.sys.vendor: Apple Inc.
** Attachment added: "AcpiTables.txt"
https://bugs.launchpad.net/bugs/988202/+attachment/3103481/+files/AcpiTables.txt
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https://bugs.launchpad.net/bugs/988202
Title:
Ubuntu cannot automatically change brightness of screen and keyboard
backlight in Macbook Air 4,2
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