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[Brad Figg <brad.figg@xxxxxxxxxxxxx>]

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

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https://bugs.launchpad.net/bugs/1401672

Title:
  Backlight not turned on by resume

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  When the laptop resumes either from a manual suspend or from a suspend
  as a result of closing the lid the operating system resumes but the
  backlight on the display is not turned on, so nothing is visible.  The
  system is completely operational from an external point of view.  For
  example it is accessible by ssh, ftp, and http.  The keyboard works so
  the system can be restarted by Alt-PrtScrn-RSEIUB, but this loses all
  outstanding activities.  How do I attach multiple additional documents
  that are recommended by the wiki for this class of problems.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: linux-image-3.16.0-25-generic 3.16.0-25.33
  ProcVersionSignature: Ubuntu 3.16.0-25.33-generic 3.16.7
  Uname: Linux 3.16.0-25-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.14.7-0ubuntu8
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  jcobban    2189 F.... pulseaudio
   /dev/snd/controlC0:  jcobban    2189 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Thu Dec 11 16:10:42 2014
  HibernationDevice: RESUME=UUID=e1d460c4-e29e-470e-a302-7891166d98f7
  InstallationDate: Installed on 2014-11-22 (19 days ago)
  InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
  MachineType: Dell Inc. Vostro 3555
  ProcFB: 0 radeondrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-25-generic root=UUID=5850bfca-8269-4a92-8fda-798e6557b0bd ro quiet splash
  RelatedPackageVersions:
   linux-restricted-modules-3.16.0-25-generic N/A
   linux-backports-modules-3.16.0-25-generic  N/A
   linux-firmware                             1.138
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 05/28/2014
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A06
  dmi.board.name: 0K89MF
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A06
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: Not Specified
  dmi.modalias: dmi:bvnDellInc.:bvrA06:bd05/28/2014:svnDellInc.:pnVostro3555:pvrNotSpecified:rvnDellInc.:rn0K89MF:rvrA06:cvnDellInc.:ct8:cvrNotSpecified:
  dmi.product.name: Vostro 3555
  dmi.product.version: Not Specified
  dmi.sys.vendor: Dell Inc.

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