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[Bug 1266485] [NEW] backlight problem... I cannot configure the backlight

 

Public bug reported:

I cannot configure the backlight. It is always autoconfigured with the
max light value. I think something about the acpi drivers or the video
graphic driver

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-image-3.2.0-58-generic 3.2.0-58.88
ProcVersionSignature: Ubuntu 3.2.0-58.88-generic 3.2.53
Uname: Linux 3.2.0-58-generic i686
NonfreeKernelModules: wl
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 2.0.1-0ubuntu17.6
Architecture: i386
ArecordDevices:
 **** List of CAPTURE Hardware Devices ****
 card 0: Intel [HDA Intel], device 0: ALC272X Analog [ALC272X Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  monica     1802 F.... pulseaudio
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0x96700000 irq 46'
   Mixer name	: 'Intel Cantiga HDMI'
   Components	: 'HDA:10ec0272,1025048a,00100001 HDA:80862802,80860101,00100000'
   Controls      : 26
   Simple ctrls  : 12
Date: Mon Jan  6 15:46:40 2014
HibernationDevice: RESUME=UUID=b168743c-7f88-4ca1-9c34-3acaa917b20a
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
MachineType: Acer TravelMate 5335
MarkForUpload: True
ProcEnviron:
 LANGUAGE=es_PE:es
 TERM=xterm
 PATH=(custom, no user)
 LANG=es_PE.UTF-8
 SHELL=/bin/bash
ProcFB: 0 VESA VGA
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-58-generic root=UUID=ca8dd339-a1dc-4b73-a0ff-42d302ec9a82 ro nomodeset quiet splash vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-3.2.0-58-generic N/A
 linux-backports-modules-3.2.0-58-generic  N/A
 linux-firmware                            1.79.9
SourcePackage: linux
UpgradeStatus: Upgraded to precise on 2012-08-01 (523 days ago)
WifiSyslog:
 Jan  6 15:09:15 monica-TravelMate-5335 kernel: [ 2598.582519] ERROR @wl_dev_intvar_get : error (-1)
 Jan  6 15:09:15 monica-TravelMate-5335 kernel: [ 2598.582525] ERROR @wl_cfg80211_get_tx_power : error (-1)
dmi.bios.date: 09/013/2010
dmi.bios.vendor: Acer
dmi.bios.version: V1.00
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: BA51_MV
dmi.board.vendor: Acer
dmi.board.version: V1.00
dmi.chassis.type: 10
dmi.chassis.vendor: Acer
dmi.chassis.version: V1.00
dmi.modalias: dmi:bvnAcer:bvrV1.00:bd09/013/2010:svnAcer:pnTravelMate5335:pvrV1.00:rvnAcer:rnBA51_MV:rvrV1.00:cvnAcer:ct10:cvrV1.00:
dmi.product.name: TravelMate 5335
dmi.product.version: V1.00
dmi.sys.vendor: Acer

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug i386 precise running-unity

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https://bugs.launchpad.net/bugs/1266485

Title:
  backlight problem... I cannot configure the backlight

Status in “linux” package in Ubuntu:
  New

Bug description:
  I cannot configure the backlight. It is always autoconfigured with the
  max light value. I think something about the acpi drivers or the video
  graphic driver

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: linux-image-3.2.0-58-generic 3.2.0-58.88
  ProcVersionSignature: Ubuntu 3.2.0-58.88-generic 3.2.53
  Uname: Linux 3.2.0-58-generic i686
  NonfreeKernelModules: wl
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 2.0.1-0ubuntu17.6
  Architecture: i386
  ArecordDevices:
   **** List of CAPTURE Hardware Devices ****
   card 0: Intel [HDA Intel], device 0: ALC272X Analog [ALC272X Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  monica     1802 F.... pulseaudio
  Card0.Amixer.info:
   Card hw:0 'Intel'/'HDA Intel at 0x96700000 irq 46'
     Mixer name	: 'Intel Cantiga HDMI'
     Components	: 'HDA:10ec0272,1025048a,00100001 HDA:80862802,80860101,00100000'
     Controls      : 26
     Simple ctrls  : 12
  Date: Mon Jan  6 15:46:40 2014
  HibernationDevice: RESUME=UUID=b168743c-7f88-4ca1-9c34-3acaa917b20a
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
  MachineType: Acer TravelMate 5335
  MarkForUpload: True
  ProcEnviron:
   LANGUAGE=es_PE:es
   TERM=xterm
   PATH=(custom, no user)
   LANG=es_PE.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 VESA VGA
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-58-generic root=UUID=ca8dd339-a1dc-4b73-a0ff-42d302ec9a82 ro nomodeset quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.2.0-58-generic N/A
   linux-backports-modules-3.2.0-58-generic  N/A
   linux-firmware                            1.79.9
  SourcePackage: linux
  UpgradeStatus: Upgraded to precise on 2012-08-01 (523 days ago)
  WifiSyslog:
   Jan  6 15:09:15 monica-TravelMate-5335 kernel: [ 2598.582519] ERROR @wl_dev_intvar_get : error (-1)
   Jan  6 15:09:15 monica-TravelMate-5335 kernel: [ 2598.582525] ERROR @wl_cfg80211_get_tx_power : error (-1)
  dmi.bios.date: 09/013/2010
  dmi.bios.vendor: Acer
  dmi.bios.version: V1.00
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: BA51_MV
  dmi.board.vendor: Acer
  dmi.board.version: V1.00
  dmi.chassis.type: 10
  dmi.chassis.vendor: Acer
  dmi.chassis.version: V1.00
  dmi.modalias: dmi:bvnAcer:bvrV1.00:bd09/013/2010:svnAcer:pnTravelMate5335:pvrV1.00:rvnAcer:rnBA51_MV:rvrV1.00:cvnAcer:ct10:cvrV1.00:
  dmi.product.name: TravelMate 5335
  dmi.product.version: V1.00
  dmi.sys.vendor: Acer

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