A correction, courtesy of Jim: STCBSST is on only when subspace information is being propagated from a mother task to a daughter task. Thus the mother task can be actively using a subspace and not have STCBSST on.
Peter Relson z/OS Core Technology Design ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@bama.ua.edu with the message: INFO IBM-MAIN