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["Marius B. Kotsbak" <1268151@xxxxxxxxxxxxxxxxxx>]

** Also affects: xorg (Ubuntu)
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1268151

Title:
  [Dell M4800] DPMS support broken, fails to wake up the monitor after
  putting it to sleep

Status in The Dell Project:
  Confirmed
Status in HWE Next Project:
  New
Status in Accelerated Xorg driver for nVidia cards:
  Confirmed
Status in OEM Priority Project:
  New
Status in “nvidia-graphics-drivers-331” package in Ubuntu:
  Confirmed
Status in “nvidia-graphics-drivers-331-updates” package in Ubuntu:
  Confirmed
Status in “xorg” package in Ubuntu:
  New
Status in “xserver-xorg-video-nouveau” package in Ubuntu:
  Confirmed

Bug description:
  Also affects nvidia-graphics-drivers-319

  The effect is identical to https://bugs.launchpad.net/ubuntu/+source/fglrx-installer/+bug/958279
  but with Nvidia instead of AMD/ATI drivers.

  HW is Dell Precision M4800 with GK106GLM [Quadro K2100M] and QHD+
  display

  Once the display shuts off, it will not be woken up anymore and the screen stays dark.
  Only a restart of the Xserver will bring back the display at that point.

  A cycle of
  xset dpms force off; sleep 30; xset dpms force on
  will leave the display dark.

  At the moment I help myself by not allowing DPMS to switch off the display:
  neuffer@charion:~$ xset dpms 0 0 0

  neuffer@charion:~$ xset -q -d :0.0
  Keyboard Control:
    auto repeat:  on    key click percent:  0    LED mask:  00000000
    XKB indicators:
      00: Caps Lock:   off    01: Num Lock:    off    02: Scroll Lock: off
      03: Compose:     off    04: Kana:        off    05: Sleep:       off
      06: Suspend:     off    07: Mute:        off    08: Misc:        off
      09: Mail:        off    10: Charging:    off    11: Shift Lock:  off
      12: Group 2:     off    13: Mouse Keys:  off
    auto repeat delay:  500    repeat rate:  20
    auto repeating keys:  00ffffffdffffbbf
                          fadfffefffedffff
                          9fffffffffffffff
                          fff7ffffffffffff
    bell percent:  50    bell pitch:  400    bell duration:  100
  Pointer Control:
    acceleration:  2/1    threshold:  4
  Screen Saver:
    prefer blanking:  yes    allow exposures:  yes
    timeout:  0    cycle:  0
  Colors:
    default colormap:  0x20    BlackPixel:  0x0    WhitePixel:  0xffffff
  Font Path:
    /usr/share/fonts/X11/misc,/usr/share/fonts/X11/100dpi/:unscaled,/usr/share/fonts/X11/Type1,/usr/share/fonts/X11/100dpi,built-ins
  DPMS (Energy Star):
    Standby: 0    Suspend: 0    Off: 0
    DPMS is Enabled
    Monitor is On

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: nvidia-331 331.20-0ubuntu9
  ProcVersionSignature: Ubuntu 3.11.0-15.23-generic 3.11.10
  Uname: Linux 3.11.0-15-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.13.1-0ubuntu1
  Architecture: amd64
  Date: Sat Jan 11 12:06:30 2014
  InstallationDate: Installed on 2014-01-07 (3 days ago)
  InstallationMedia: Xubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016)
  SourcePackage: nvidia-graphics-drivers-331
  UpgradeStatus: No upgrade log present (probably fresh install)

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