diff -up libpfm-3.3/lib/pfmlib_itanium2.c.broken libpfm-3.3/lib/pfmlib_itanium2.c
--- libpfm-3.3/lib/pfmlib_itanium2.c.broken	2008-02-26 10:47:03.000000000 -0500
+++ libpfm-3.3/lib/pfmlib_itanium2.c	2008-02-26 10:47:50.000000000 -0500
@@ -231,7 +231,7 @@ check_inst_retired_events(pfmlib_input_p
 	int code;
 	int c;
 	unsigned int i, count, found = 0;
-	unsigned long umask, mask;
+	unsigned long umask = 0, mask;
 
 	pfm_get_event_code(PME_ITA2_IA64_INST_RETIRED_THIS, &code);