(In reply to comment #5)
> Does your kernel tree have this patch?
> http://cgit.freedesktop.org/~airlied/linux/commit/drivers/gpu/drm/radeon/
> radeon_object.c?h=drm-next&id=dd54fee7d440c4a9756cce2c24a50c15e4c17ccb

Yea i have that commit.