realm: disable use of gex databufs - see issue 1138
realm: disable use of gex databufs - see issue 1138

StanfordLegion/legion,StanfordLegion/legion,StanfordLegion/legion,StanfordLegion/legion,StanfordLegion/legion,StanfordLegion/legion,StanfordLegion/legion,StanfordLegion/legion