Index: /trunk/Ohana/src/opihi/lib.shell/gprint.c
===================================================================
--- /trunk/Ohana/src/opihi/lib.shell/gprint.c	(revision 10663)
+++ /trunk/Ohana/src/opihi/lib.shell/gprint.c	(revision 10664)
@@ -198,5 +198,8 @@
   if (stream[0].mode == GP_FILE) {
     // gprint (GP_ERR, "printing to FILE\n");
-    vfprintf (stream[0].file, format, argp);
+    status = vfprintf (stream[0].file, format, argp);
+    if (status < 0) {
+      abort();
+    }
   } else {
     // gprint (GP_ERR, "printing to BUFFER\n");