DPMS vs pageflip vs modeset race.

** Changed in: xserver-xorg-video-intel (Ubuntu)
       Status: New => Fix Released

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https://bugs.launchpad.net/bugs/785841

Title:
  Screen remains blank after waking up from screensaver

Status in “xserver-xorg-video-intel” package in Ubuntu:
  Fix Released

Bug description:
  Ubuntu 11.04. Issue did not occur for 10.10 and earlier versions.

  Occasionally, after waking up from screensaver, the screen remains
  black. The mouse cursor is visible and can be moved around, it will
  even change where a text input box might be, but the screen does not
  get rendered. I can switch back and forth to text consoles, but can't
  seem to get the GUI back without killing X.

  Repeatedly happens for me on two machines:
  - Dell Studio 1558
  - HP Pavillion p6367c

  Attached the apport file for the HP.

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