--- sysstat-5.0.5/sadc.c.append-msg	2004-09-29 13:15:48.000000000 -0400
+++ sysstat-5.0.5/sadc.c	2004-09-29 13:21:27.000000000 -0400
@@ -747,7 +747,9 @@
 	       create_sa_file(ofd, ofile, file_stats_size, flags);
 	       return;
 	    }
-	    fprintf(stderr, _("Cannot append data to that file\n"));
+	    fprintf(stderr, _("Cannot append data to %s,"
+			      " cpu count changed from %d to %d\n"),
+		    ofile, file_hdr.sa_proc, cpu_nr);
 	    exit(1);
 	 }