$OpenBSD: patch-memtester_c,v 1.1.1.1 2007/03/15 15:49:06 ckuethe Exp $
--- memtester.c.orig	Mon Mar 14 07:02:30 2005
+++ memtester.c	Fri Oct 14 17:08:38 2005
@@ -153,7 +153,8 @@ int main(int argc, char **argv) {
                         wantbytes = wantbytes_orig;
                         break;
                     default:
-                        printf("failed for unknown reason.\n");
+			perror("mlock()");
+                        printf("failed for unknown reason. (%d)\n", errno);
                         do_mlock = 0;
                         done_mem = 1;
                 }
