stop slave;
drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
reset master;
reset slave;
drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
start slave;
create table t1 (n int);
reset master;
stop slave;
change master to master_port=SLAVE_PORT;
start slave;
Last_IO_Error = Fatal error: The slave I/O thread stops because master and slave have equal MySQL server ids; these ids must be different for replication to work (or the --replicate-same-server-id option must be used on slave but this does not always make sense; please check the manual before using it).
insert into t1 values (1);
show status like "slave_running";
Variable_name	Value
Slave_running	OFF
drop table t1;