Well. with this feedback, I can at least confirm that the radeon driver is indeed loaded:
# pldd $(pgrep Xorg) | grep driver /usr/X11/lib/modules/drivers/amd64/radeon_drv.so # pmap $(pgrep Xorg) | grep driver FFFFFD7FFEE30000 476K r-x-- /usr/X11/lib/modules/drivers/amd64/radeon_drv.so FFFFFD7FFEEB7000 44K rw--- /usr/X11/lib/modules/drivers/amd64/radeon_drv.so # This message posted from opensolaris.org
