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[chris <1349552@xxxxxxxxxxxxxxxxxx>]

Looks like it never works.. *sigh*

I usually using 0% brightness so I didn't realize that since kernel 3.2
in Precise, brightness always reset to 0% after reboot.

After did testing with several kernels, following it's the results:
- from kernel 3.2 (since Ubuntu 12.04.2) until 3.11.0-14.21 -> brightness always reset to 0% after reboot
- from kernel 3.11.0-15.22 until 3.13.0-32.57 -> brightness always reset to 100% after reboot

** Tags removed: needs-bisect

** Description changed:

  With Ubuntu 14.04.1 with system updated today, I found that screen
  brightness not remembered after reboot. Always back to 100% in every
  system startup.
  
- This is a regression since it's not happen in Ubuntu 12.04 (kernel 3.2).
+ In Ubuntu 12.04 (kernel 3.2.0-67.101) brightness always reset to 0%
+ after reboot.
  
  I can't do testing with kernel 3.16 rc7 because of the problem I told in Bug #1349080 :
  https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1349080/comments/5
  
  Laptop :
  HP Pavillion dm3
  Product: WJ845PA#UUF
  Model: dm3-1109TU
  
  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-32-generic 3.13.0-32.57
  ProcVersionSignature: Ubuntu 3.13.0-32.57-generic 3.13.11.4
  Uname: Linux 3.13.0-32-generic i686
  ApportVersion: 2.14.1-0ubuntu3.2
  Architecture: i386
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  christian   1304 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Tue Jul 29 02:20:22 2014
  InstallationDate: Installed on 2014-07-28 (0 days ago)
  InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release i386 (20140722.2)
  MachineType: Hewlett-Packard HP Pavilion dm3 Notebook PC
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-32-generic root=UUID=4a7a7692-e75c-4e75-a27f-978a30e8bff1 ro plymouth:debug splash quiet drm.debug=0xe
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-32-generic N/A
   linux-backports-modules-3.13.0-32-generic  N/A
   linux-firmware                             1.127.5
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 11/16/2010
  dmi.bios.vendor: Insyde Corp.
  dmi.bios.version: F.19
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: 3649
  dmi.board.vendor: Hewlett-Packard
  dmi.board.version: 41.3D
  dmi.chassis.type: 10
  dmi.chassis.vendor: Hewlett-Packard
  dmi.chassis.version: N/A
  dmi.modalias: dmi:bvnInsydeCorp.:bvrF.19:bd11/16/2010:svnHewlett-Packard:pnHPPaviliondm3NotebookPC:pvr0487110000241F10110120000:rvnHewlett-Packard:rn3649:rvr41.3D:cvnHewlett-Packard:ct10:cvrN/A:
  dmi.product.name: HP Pavilion dm3 Notebook PC
  dmi.product.version: 0487110000241F10110120000
  dmi.sys.vendor: Hewlett-Packard

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https://bugs.launchpad.net/bugs/1349552

Title:
  [HP Pavillion dm3-1109TU] Brightness setting not remembered after
  reboot

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  With Ubuntu 14.04.1 with system updated today, I found that screen
  brightness not remembered after reboot. Always back to 100% in every
  system startup.

  In Ubuntu 12.04 (kernel 3.2.0-67.101) brightness always reset to 0%
  after reboot.

  I can't do testing with kernel 3.16 rc7 because of the problem I told in Bug #1349080 :
  https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1349080/comments/5

  Laptop :
  HP Pavillion dm3
  Product: WJ845PA#UUF
  Model: dm3-1109TU

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-32-generic 3.13.0-32.57
  ProcVersionSignature: Ubuntu 3.13.0-32.57-generic 3.13.11.4
  Uname: Linux 3.13.0-32-generic i686
  ApportVersion: 2.14.1-0ubuntu3.2
  Architecture: i386
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  christian   1304 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Tue Jul 29 02:20:22 2014
  InstallationDate: Installed on 2014-07-28 (0 days ago)
  InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release i386 (20140722.2)
  MachineType: Hewlett-Packard HP Pavilion dm3 Notebook PC
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-32-generic root=UUID=4a7a7692-e75c-4e75-a27f-978a30e8bff1 ro plymouth:debug splash quiet drm.debug=0xe
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-32-generic N/A
   linux-backports-modules-3.13.0-32-generic  N/A
   linux-firmware                             1.127.5
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 11/16/2010
  dmi.bios.vendor: Insyde Corp.
  dmi.bios.version: F.19
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: 3649
  dmi.board.vendor: Hewlett-Packard
  dmi.board.version: 41.3D
  dmi.chassis.type: 10
  dmi.chassis.vendor: Hewlett-Packard
  dmi.chassis.version: N/A
  dmi.modalias: dmi:bvnInsydeCorp.:bvrF.19:bd11/16/2010:svnHewlett-Packard:pnHPPaviliondm3NotebookPC:pvr0487110000241F10110120000:rvnHewlett-Packard:rn3649:rvr41.3D:cvnHewlett-Packard:ct10:cvrN/A:
  dmi.product.name: HP Pavilion dm3 Notebook PC
  dmi.product.version: 0487110000241F10110120000
  dmi.sys.vendor: Hewlett-Packard

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