https://bugs.freedesktop.org/show_bug.cgi?id=37417
--- Comment #4 from Michel Dänzer michel@daenzer.net 2011-06-17 01:40:53 PDT --- (In reply to comment #3)
libEGL debug: failed to open ${ORIGIN}/dri/r600_dri.so: ${ORIGIN}/dri/r600_dri.so: cannot open shared object file: No such file or directory
FWIW, you should be able to work around this, e.g. with the environment variable LIBGL_DRIVERS_PATH=/usr/lib/dri .