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[Launchpad Bug Tracker <1444047@xxxxxxxxxxxxxxxxxx>]

** Branch linked: lp:ubuntu/wily-proposed/mir

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https://bugs.launchpad.net/bugs/1444047

Title:
  Flickering showing stale buffers on Krillin

Status in Mir:
  Fix Released
Status in mir package in Ubuntu:
  New

Bug description:
  Occasionally after a restart I get flickering showing stale buffers on
  Krillin with the latest vivid-proposed image (mir 0.12.1).

  A video showing the problem: http://people.ubuntu.com/~afrantzis
  /krillin-strange-flicker.mkv

  The HWC log indicates that we somehow end up with an unexpected buffer
  when compositing:

  set list():
   # | handle
   0 | 0x3f4770 <====== This buffer is the odd one out
   1 | 0x3f4188

  ...

  set list():
   # | handle
   0 | 0xac202978
   1 | 0x3f4188

  ...

  set list():
   # | handle
   0 | 0xac203f60
   1 | 0x3f4188

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