call mtr.add_suppression('InnoDB: Error'); set global innodb_file_per_table=1, innodb_file_format=Barracuda; create table t1 (i int) engine=InnoDB; alter table t1 discard tablespace; select * from t1; ERROR HY000: Got error -1 "Internal error < 0 (Not system error)" from storage engine InnoDB InnoDB: http://dev.mysql.com/doc/refman/10.0/en/innodb-troubleshooting.html drop table t1; set global innodb_file_per_table=default, innodb_file_format=default;