diff -urN yaboot-1.3.15-05122010/second/yaboot.c yaboot-1.3.15-05122010-skipmac/second/yaboot.c
--- yaboot-1.3.15-05122010/second/yaboot.c	2010-05-12 16:09:10.000000000 -0400
+++ yaboot-1.3.15-05122010-skipmac/second/yaboot.c	2010-05-12 17:47:55.000000000 -0400
@@ -481,12 +481,14 @@
      if (!fspec.file)
 	  goto out;
 
+     /*
      sprintf(fspec.file, "%s%02x-", cfgpath, packet->htype);
      strcat(fspec.file, prom_get_mac(packet));
 
      rc = load_config_file(&fspec);
      if (rc)
 	  goto out;
+     */
 
      /*
       * Now try to match on IP.