Resolution:
I had the problem on a Thinkpad x201.   The underlying cause was actually a 
file corruption in the packages.

I ran
debsums -s

One of the packages which was corrupted was
gnome-screensaver

Reinstalling gnome-screensaver (and several other packages) fixed the
problem.

-- 
You received this bug notification because you are a member of Ubuntu-X,
which is subscribed to xserver-xorg-video-intel in Ubuntu.
https://bugs.launchpad.net/bugs/966744

Title:
  [i965] Resume from suspend leaves me with black screen or a screen of
  the desktop before it suspended. Compiz hung in
  intel_update_renderbuffers() from intel_prepare_render() from
  brw_draw_prims()

To manage notifications about this bug go to:
https://bugs.launchpad.net/compiz/+bug/966744/+subscriptions

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