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[Brad Figg <brad.figg@xxxxxxxxxxxxx>]

This bug is missing log files that will aid in diagnosing the problem.
>From a terminal window please run:

apport-collect 1390764

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.

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

** Tags added: trusty

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https://bugs.launchpad.net/bugs/1390764

Title:
  Display remains fully dimmed after resume from suspend

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  The symptoms reported with
  https://bugs.launchpad.net/ubuntu/+source/linux/+bug/451282 persist.
  After resuming from sudpend the display returns fully dimmed, and
  display brightness can't be adjusted, neither using FN keys, nor using
  KDE power management control.

  The issue occurs regardless whether the supend state was activated by
  low battery, by closing the display, or by explicitly selecting sleep
  mode in KDE.

  Killing and restarting  X does not solve the problem. A reboot does.

  
  Notebook: HP 8530w, Quadro FX 770M, Nouveau driver. Details:

  # dpkg -l xserver-xorg-video-nouveau
  Desired=Unknown/Install/Remove/Purge/Hold
  | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
  |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
  ||/ Name                           Version              Architecture         Description
  +++-==============================-====================-====================-==================================================================
  ii  xserver-xorg-video-nouveau     1:1.0.10-1ubuntu2    amd64                X.Org X server -- Nouveau display driver

  # lsb_release -rd
  Description:    Ubuntu 14.04.1 LTS
  Release:        14.04

  # cat /proc/version_signature
  Ubuntu 3.13.0-39.66-generic 3.13.11.8

  From lspci -vnvn:
  01:00.0 VGA compatible controller [0300]: NVIDIA Corporation G96GLM [Quadro FX 770M] [10de:065c] (rev a1) (prog-if 00 [VGA controller])
          Subsystem: Hewlett-Packard Company Device [103c:30e7]
          Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
          Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
          Latency: 0, Cache Line Size: 64 bytes
          Interrupt: pin A routed to IRQ 46

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