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[Bug 1474546] Re: [regression] multi monitor, display port to hdmi not working

To: touch-packages@xxxxxxxxxxxxxxxxxxx
From: Sebastien Bacher <seb128@xxxxxxxxxx>
Date: Thu, 17 Sep 2015 12:51:41 -0000
Reply-to: Bug 1474546 <1474546@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

*** This bug is a duplicate of bug 1421575 ***
    https://bugs.launchpad.net/bugs/1421575

seems similar to bug #1421575

** No longer affects: unity

** This bug has been marked a duplicate of bug 1421575
   Desktop corruption when changing monitor config

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https://bugs.launchpad.net/bugs/1474546

Title:
  [regression] multi monitor, display port to hdmi not working

Status in unity package in Ubuntu:
  New

Bug description:
  This could very well be a problem further down in kms or elsewhere in the graphics stack.
  I recently updated from vivid to wily.
  I had a very reliable setup of being able to connect an external monitor to my macbook display port for an "extended" dektop view (not clone). This now flickers in quadrants, and the flickering quadrants on the monitor 
  video shows it best
  http://www.youtube.com/watch?v=ElXAyX93Uqw

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