DR_IN_DMU_SYNC
ASSERT(dr->dt.dl.dr_override_state != DR_IN_DMU_SYNC);
while (dr->dt.dl.dr_override_state == DR_IN_DMU_SYNC) {
ASSERT(dr->dt.dl.dr_override_state == DR_IN_DMU_SYNC);
if (dr->dt.dl.dr_override_state == DR_IN_DMU_SYNC ||
dr->dt.dl.dr_override_state = DR_IN_DMU_SYNC;