See the upstream bug mentioned in the commit. In
https://bugs.freedesktop.org/show_bug.cgi?id=47535#c14 it says "Linus
merged the patch into the upstream kernel, and Greg picked it up for 3.3
stable.  Hopefully should be landing in a distro near you. :)", which
might not help 3.2, of course.

I just saw the commit in the overnight git log, saw that it fixed the
problem, and worked out how to modify it to apply to 3.2 as a proof-of-
concept.

>From the upstream comment, it appears there is another workaround:

"If upgrading kernels is inconvenient, you can also apply the workaround
manually via "sudo intel_reg_write 0x2120 0x1206800", or by disabling
HiZ and separate stencil (export hiz=false).  (The kernel patch does the
register write, so the intel_reg_write workaround is just as good.)"

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https://bugs.launchpad.net/bugs/975689

Title:
  X freezes completely running google earth on xserver-xorg-video-intel
  -   IPEHR: 0x7a000002

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