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[Richard Casemore <1427831@xxxxxxxxxxxxxxxxxx>]

I am experiencing exactly the same behaviour with Suspend from the menu
and automatically suspending resuming normally.

I do not have a sleep button, though running 'sudo pm-suspend' results
in a glitchy launcher on resume.

I first noticed the unity launcher glitching issue when I attached suspend to a hot key which runs this command: 
dbus-send --system --print-reply --dest="org.freedesktop.UPower" /org/freedesktop/UPower org.freedesktop.UPower.Suspend

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https://bugs.launchpad.net/bugs/1427831

Title:
  Graphics Glitch after suspending and resuming, only when pressing the
  sleep button

Status in Unity:
  New
Status in unity package in Ubuntu:
  Confirmed

Bug description:
  Running Ubuntu 14.10

  Going to the menu and clicking on the 'suspend' button, causes no
  problems on resume. Automatically suspending after a given time also
  has no problem.

  However if I press the sleep button, it resumes with pixels of all colours randomly populating the screen. 
  When I move the mouse after that, my screen goes to sleep (like when the computer is turned off).
  After moving my mouse again, the lockscreen displays as normal.

  'sudo pm-suspend' results in only the Launcer having random coloured
  pixels on it. The checklist testing app had the same result. Clicking
  on a window reprints the launcer. Attached is an example.

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