Index: trunk/Ohana/src/opihi/pcontrol/CheckSystem.c
===================================================================
--- trunk/Ohana/src/opihi/pcontrol/CheckSystem.c	(revision 17476)
+++ trunk/Ohana/src/opihi/pcontrol/CheckSystem.c	(revision 18098)
@@ -346,4 +346,5 @@
     if (host == NULL) break;
     if (host[0].markoff) {
+      // DOWN -> OFF
       host[0].markoff = FALSE;
       OffHost (host);
@@ -354,4 +355,7 @@
       PutHost (host, PCONTROL_HOST_DOWN, STACK_BOTTOM);
     } else {
+      // DOWN -> IDLE (maybe)
+      // this is a race condition with "host retry", but the only 
+      // consequence is that both StartHost and reset set the times to 0.0
       StartHost (host);
     }