kernel-packages team mailing list archive

["Christopher M. Penalver" <christopher.m.penalver@xxxxxxxxx>]

Alex Barattini, the issue you are reporting is an upstream one. Could
you please report this problem through the appropriate channel by
following the instructions _verbatim_ at
https://wiki.ubuntu.com/Bugs/Upstream/kernel ?

Please provide a direct URL to your e-mail to the mailing list once you
have made it so that it may be tracked.

Thank you for your understanding.

** Tags added: latest-bios-a12

** Tags removed: kernel-bug-exists-upstream-v3.14-trusty
** Tags added: kernel-bug-exists-upstream-v3.14

** Changed in: linux (Ubuntu)
   Importance: Medium => Low

** Changed in: linux (Ubuntu)
       Status: Confirmed => Triaged

** Summary changed:

- [Dell Inspiron 15R 5521] Impossible to adjust the screen backlight
+ 8086:0166 [Dell Inspiron 15R 5521] Impossible to adjust the screen backlight

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1304644

Title:
  8086:0166 [Dell Inspiron 15R 5521] Impossible to adjust the screen
  backlight

Status in “linux” package in Ubuntu:
  Triaged

Bug description:
  WORKAROUND: add video.use_native_backlight=1 to kernel cmdline

  the change in the level of illumination of the screen, through the
  corresponding option in the control panel, has no effect.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-23-generic 3.13.0-23.45
  ProcVersionSignature: Ubuntu 3.13.0-23.45-generic 3.13.8
  Uname: Linux 3.13.0-23-generic x86_64
  ApportVersion: 2.14.1-0ubuntu1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  alex       2122 F.... pulseaudio
   /dev/snd/pcmC0D0p:   alex       2122 F...m pulseaudio
  CurrentDesktop: Unity
  Date: Tue Apr  8 22:14:22 2014
  HibernationDevice: RESUME=UUID=f298bdcb-dec7-4870-a147-d0899d622706
  InstallationDate: Installed on 2014-04-02 (5 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Beta amd64 (20140326)
  MachineType: Dell Inc. Inspiron 5521
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-23-generic.efi.signed root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-23-generic N/A
   linux-backports-modules-3.13.0-23-generic  N/A
   linux-firmware                             1.127
  SourcePackage: linux
  StagingDrivers: rts5139
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 10/25/2013
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A12
  dmi.board.name: 0K08H3
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: A12
  dmi.modalias: dmi:bvnDellInc.:bvrA12:bd10/25/2013:svnDellInc.:pnInspiron5521:pvrA12:rvnDellInc.:rn0K08H3:rvrA00:cvnDellInc.:ct8:cvrA12:
  dmi.product.name: Inspiron 5521
  dmi.product.version: A12
  dmi.sys.vendor: Dell Inc.

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