         }
     }
 
-    // End-of-loop processing, that may be slow.
-    // Ensure progress on queued messages ahead of slow work.  (TODO-867)
-    pollIO();; // Deal with any pending I/O.
-    messageQueue.handle(true, PrimaryRadio); // Deal with any pending I/O.
+//    // End-of-loop processing, that may be slow. XXX
+//    // Ensure progress on queued messages ahead of slow work.  (TODO-867)
+//    pollIO();; // Deal with any pending I/O.
+//    messageQueue.handle(true, PrimaryRadio); // Deal with any pending I/O.
 
     // Command-Line Interface (CLI) polling.
     // If a reasonable chunk of the minor cycle remains after all other work is done

    // Handler routine not required/expected to 'clear' this interrupt.
    if((changes & RFM23B_INT_MASK) && !(pins & RFM23B_INT_MASK))
        { PrimaryRadio._handleInterruptNonVirtual(); }
}

// Previous state of port D pins to help detect changes.

        }
    }
    if(neededWaking) { OTV0P2BASE::flushSerialProductive(); OTV0P2BASE::powerDownSerial(); }
    OTV0P2BASE::MemoryChecks::fnCalled(4U);
}


