diff --git a/lib/ebus-bus.c b/lib/ebus-bus.c
index 56082cb3..1d7c930d 100644
--- a/lib/ebus-bus.c
+++ b/lib/ebus-bus.c
@@ -1073,7 +1073,8 @@ eb_cyc_data_process(const unsigned char *buf, int buflen)
 		mlen = 5 + (int) msg[4];
 
 		if (((int) msg[4]) > EBUS_MSG_MASTER_MAX_DB_LEN) {
-			log_print(L_WAR, "%s", "Master DB Len Error");
+			log_print(L_WAR, "%s (%d > %d)", "Master DB Len Error",
+				((int) msg[4]), EBUS_MSG_MASTER_MAX_DB_LEN);
 			return -2;
 		}
 		
@@ -1116,7 +1117,8 @@ eb_cyc_data_process(const unsigned char *buf, int buflen)
 			slen = 1 + (int) msg[mlen + 2];
 
 			if (((int) msg[mlen + 2]) > EBUS_MSG_SLAVE_MAX_DB_LEN) {
-				log_print(L_WAR, "%s", "Slave DB Len Error");
+				log_print(L_WAR, "%s (%d > %d)", "Slave DB Len Error",
+					((int) msg[mlen + 2]), EBUS_MSG_SLAVE_MAX_DB_LEN);
 				return -2;
 			}
 
diff --git a/tools/csv.c b/tools/csv.c
index 6c738ce7..715a3b0d 100644
--- a/tools/csv.c
+++ b/tools/csv.c
@@ -167,7 +167,13 @@ main(int argc, char *argv[])
 //~ 
 //~ 
 	//~ char cmd[] = "cyc ms test";
-	
+
+	//~ const unsigned char tmp[] = {'\x03','\xe0','\xb5','\x21','\x05','\x00','\x05','\x07','\x00','\xe7',
+				     //~ '\x64','\x80','\x42','\x40','\x10','\x11','\xd0','\x05','\x74','\x64',
+				     //~ '\xd2','\xea','\x01','\xa9','\x10','\x08','\xb5','\x09','\x03','\x29',
+				     //~ '\xb8','\x01','\xfd','\x00','\x03','\xb8','\x01','\x00','\x70','\x00'};
+//~ 
+	//~ char cmd[] = "cyc vwl OutUnitData";
 
 	//~ Master Master
 	//~ 10 03 05 07 09 bb 06 2e 02 00 80 ff 6e ff 8f 00