Index: trunk/Ohana/src/opihi/cmd.data/vstats.c
===================================================================
--- trunk/Ohana/src/opihi/cmd.data/vstats.c	(revision 35109)
+++ trunk/Ohana/src/opihi/cmd.data/vstats.c	(revision 38441)
@@ -121,4 +121,6 @@
       goto skip;
     }
+    // we can hit inf if pmax and pmin are close to the max range
+    if (isinf(dx)) dx = DBL_MAX / Nbin;
 
     ALLOCATE (Nval, int, Nbin + 2);