https://bugs.freedesktop.org/show_bug.cgi?id=100189
--- Comment #6 from Emil Velikov emil.l.velikov@gmail.com --- Almost forgot - if you don't want to overwrite your system mesa simply do $ git bisect... $ configure ... $ make $ export LIBGL_DRIVERS_PATH=`pwd`/lib $ export LIBGL_DEBUG=verbose $ ... app to test ... # ensure that the i915_dri.so from the above location is used