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[Bug 451282] Re: display is fully dimmed after resume from suspend


Confirmed on Kubuntu 14.04, ThinkPad T61 , nVidia Quadro NVS 140, NVIDIA
binary driver - version 331.38

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  display is fully dimmed after resume from suspend

Status in “linux” package in Ubuntu:
  Won't Fix

Bug description:
  Binary package hint: gnome-power-manager

  When I resume from suspend (while on AC power), the laptop display
  brightness is set to it's lowest level, even when I had the brightness
  turned all the way up before. Interestingly enough, this only seems to
  happen on the first suspend after a reboot. Once I have turned up the
  display brightness again using the function keys, the next
  suspend/resume cycle will work normally (until the next reboot).
  Finally, when I use the function keys to increase the brightness after
  a suspend, I see that the brightness level in the notification bar
  indicates that the brightness is set to the maximum. Only after
  repeated adjustments with the function keys, the indicator 'resets'
  and reflects the true display brightness level. I'm using the
  proprietary nvidia display driver, but I've never had this problem
  before in Jaunty. Also, in case it makes a difference, I've set my
  laptop to suspend on lid closure since that's the way I generally
  suspend the laptop.

  ProblemType: Bug
  Architecture: amd64
  CheckboxSubmission: 464ed6184a4fbf79d6e3084c58b13de8
  CheckboxSystem: d00f84de8a555815fa1c4660280da308
  Date: Wed Oct 14 09:46:16 2009
  DistroRelease: Ubuntu 9.10
  NonfreeKernelModules: nvidia
  Package: gnome-power-manager 2.28.0-0ubuntu6
   PATH=(custom, user)
  ProcVersionSignature: Ubuntu 2.6.31-14.46-generic
  SourcePackage: gnome-power-manager
  Uname: Linux 2.6.31-14-generic x86_64

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