innodb.innodb_bug53290, innodb_fts.innodb_fts_misc, percona.percona_xtradb_bug317074 fail in buildbot under valgrind with timeout

innodb.innodb_bug53290 'xtradb'          w10 [ fail ]  timeout after 9000 seconds

        Test ended at 2017-01-10 14:36:48

Test case timeout after 9000 seconds

== /dev/shm/var/10/log/innodb_bug53290.log == 

create table bug53290 (x bigint) engine=innodb;

insert into bug53290 () values (),(),(),(),(),(),(),(),(),(),(),();

insert into bug53290 select * from bug53290;

insert into bug53290 select * from bug53290;

insert into bug53290 select * from bug53290;

insert into bug53290 select * from bug53290;

insert into bug53290 select * from bug53290;

insert into bug53290 select * from bug53290;

insert into bug53290 select * from bug53290;

insert into bug53290 select * from bug53290;

insert into bug53290 select * from bug53290;

insert into bug53290 select * from bug53290;

insert into bug53290 select * from bug53290;

insert into bug53290 select * from bug53290;

insert into bug53290 select * from bug53290;

alter table bug53290 add unique index `idx` (x);