The COGL_ATLAS_DEFAULT_BLIT_MODE workaround was not permanent.  After a
good long sleep (several hours), fonts are no longer rendering in
awesome.

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https://bugs.launchpad.net/bugs/1579559

Title:
  Font glyphs do not render correctly in some applications after suspend

Status in xserver-xorg-video-intel package in Ubuntu:
  New

Bug description:
  After suspend/resume of my laptop, some applications do not reliably
  render Xft fonts, leaving the areas where such fonts should be
  rendered entirely blank.  Both rxvt-unicode and awesome show this
  problem.  Installed versions of these packages are rxvt-unicode
  9.21-1build1 and awesome 3.5.6-1build1.

  Other applications (VMware 11, not an Ubuntu package) render fonts,
  but with corruption -- I believe this to be related but cannot be
  sure.

  This appears to be the same bug as Freedesktop.org bug 88584
  (https://bugs.freedesktop.org/show_bug.cgi?id=88584) and OpenSUSE bug
  913425 (https://bugzilla.novell.com/show_bug.cgi?id=913425).  In
  particular, a workaround named on those bugs (setting
  COGL_ATLAS_DEFAULT_BLIT_MODE=framebuffer in /etc/environment) appears
  to correct the problem here.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: xserver-xorg-video-intel 2:2.99.917+git20160325-1ubuntu1
  ProcVersionSignature: Ubuntu 4.4.0-22.39-generic 4.4.8
  Uname: Linux 4.4.0-22-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2
  Architecture: amd64
  Date: Sun May  8 14:39:02 2016
  InstallationDate: Installed on 2015-06-04 (338 days ago)
  InstallationMedia: Lubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
  SourcePackage: xserver-xorg-video-intel
  UpgradeStatus: Upgraded to xenial on 2016-04-22 (16 days ago)

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