There's also the kernel bug:
commit 4878cae22a2405b6d33318e2dc99a9c1367fee44
Author: Ville Syrjälä <[email protected]>
Date: Mon Feb 18 19:08:48 2013 +0200
drm/i915: Really wait for pending flips when panning
which produces that same pattern.
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https://bugs.launchpad.net/bugs/1174473
Title:
Screen corruption after opening notebook lid
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