connect con1, localhost, root;
create table t1 (a int) engine=innodb;
insert t1 values (1),(2),(3),(4);
delete from t1 where a=1;
select user,state from information_schema.processlist order by 2;
user	state
root	
root	Filling schema table
set global debug_dbug='+d,only_kill_system_threads';
set global innodb_fast_shutdown=0;
shutdown;
connection default;
disconnect con1;
select user,state from information_schema.processlist order by 2;
user	state
root	Filling schema table
set global innodb_fast_shutdown=1;
select user,state from information_schema.processlist order by 2;
user	state
root	Filling schema table
delete from t1 where a=3;
set global innodb_fast_shutdown=0;
ERROR 42000: Variable 'innodb_fast_shutdown' can't be set to the value of '0'
kill ID;
ERROR 70100: Connection was killed
# restart
drop table t1;