diff --git a/mysql-test/r/innodb_mysql_lock.result b/mysql-test/r/innodb_mysql_lock.result
new file mode 100644
index 00000000000..147267d5550
--- /dev/null
+++ b/mysql-test/r/innodb_mysql_lock.result
@@ -0,0 +1,24 @@
+#
+# Bug #22876 Four-way deadlock
+#
+DROP TABLE IF EXISTS t1;
+# Connection 1
+set @@autocommit=0;
+CREATE TABLE t1(s1 INT UNIQUE) ENGINE=innodb;
+INSERT INTO t1 VALUES (1);
+# Connection 2
+set @@autocommit=0;
+INSERT INTO t1 VALUES (2);
+INSERT INTO t1 VALUES (1);
+# Connection 3
+set @@autocommit=0;
+DROP TABLE t1;
+# Connection 1
+# Connection 1 is now holding the lock.
+# Issuing insert from connection 1 while connection 2&3 
+# is waiting for the lock should give a deadlock error.
+INSERT INTO t1 VALUES (2);
+ERROR 40001: Deadlock found when trying to get lock; try restarting transaction
+# Cleanup
+commit;
+commit;
diff --git a/mysql-test/r/lock.result b/mysql-test/r/lock.result
index 46ce618b99b..afb444f8ae9 100644
--- a/mysql-test/r/lock.result
+++ b/mysql-test/r/lock.result
@@ -319,5 +319,27 @@ alter table t1 add column j int;
 unlock tables;
 drop table t1;
 #
+# Bug#45066 FLUSH TABLES WITH READ LOCK deadlocks against 
+#           LOCK TABLE 
+#
+DROP TABLE IF EXISTS t1;
+CREATE TABLE t1(a INT);
+LOCK TABLE t1 READ;
+FLUSH TABLES;
+ERROR HY000: Table 't1' was locked with a READ lock and can't be updated
+LOCK TABLE t1 WRITE;
+FLUSH TABLES;
+#
+# If you allow the next combination, you reintroduce bug Bug#45066
+# 
+LOCK TABLE t1 READ;
+FLUSH TABLES WITH READ LOCK;
+ERROR HY000: Can't execute the given command because you have active locked tables or an active transaction
+LOCK TABLE t1 WRITE;
+FLUSH TABLES WITH READ LOCK;
+ERROR HY000: Can't execute the given command because you have active locked tables or an active transaction
+UNLOCK TABLES;
+DROP TABLE t1;
+#
 # End of 6.0 tests.
 #
diff --git a/mysql-test/suite/rpl/r/rpl_innodb.result b/mysql-test/suite/rpl/r/rpl_innodb.result
index bf6c3cb8c86..0d83f29d0fb 100644
--- a/mysql-test/suite/rpl/r/rpl_innodb.result
+++ b/mysql-test/suite/rpl/r/rpl_innodb.result
@@ -82,3 +82,48 @@ FLUSH LOGS;
 FLUSH LOGS;
 DROP DATABASE mysqltest1;
 End of 5.1 tests
+#
+# Bug#39675 rename tables on innodb tables with pending 
+# transactions causes slave data issue.
+#
+DROP TABLE IF EXISTS t1;
+DROP TABLE IF EXISTS t2;
+DROP TABLE IF EXISTS t3;
+CREATE TABLE t1 (
+id INT PRIMARY KEY auto_increment,
+b INT DEFAULT NULL
+) ENGINE=InnoDB;
+CREATE TABLE t2 (
+id INT PRIMARY KEY auto_increment,
+b INT DEFAULT NULL
+) ENGINE=InnoDB;
+INSERT INTO t1 (b) VALUES (1),(2),(3);
+BEGIN;
+INSERT INTO t1(b) VALUES (4);
+-------- switch to master1 --------
+RENAME TABLE t1 TO t3, t2 TO t1;;
+-------- switch to master --------
+COMMIT;
+-------- switch to master1 --------
+-------- switch to master --------
+SELECT * FROM t1;
+id	b
+SELECT * FROM t3;
+id	b
+1	1
+2	2
+3	3
+4	4
+-------- switch to slave --------
+SELECT * FROM t1;
+id	b
+SELECT * FROM t3;
+id	b
+1	1
+2	2
+3	3
+4	4
+-------- switch to master --------
+DROP TABLE t1;
+DROP TABLE t3;
+End of 6.0 tests
diff --git a/mysql-test/suite/rpl/t/rpl_innodb.test b/mysql-test/suite/rpl/t/rpl_innodb.test
index 64a85d27c88..7ee65027abc 100644
--- a/mysql-test/suite/rpl/t/rpl_innodb.test
+++ b/mysql-test/suite/rpl/t/rpl_innodb.test
@@ -120,6 +120,71 @@ connection master;
 FLUSH LOGS;
 
 DROP DATABASE mysqltest1;
--- source include/master-slave-end.inc
 
 --echo End of 5.1 tests
+
+--echo #
+--echo # Bug#39675 rename tables on innodb tables with pending 
+--echo # transactions causes slave data issue.
+--echo #
+
+--disable_warnings
+DROP TABLE IF EXISTS t1;
+DROP TABLE IF EXISTS t2;
+DROP TABLE IF EXISTS t3;
+--enable_warnings
+
+CREATE TABLE t1 (
+  id INT PRIMARY KEY auto_increment,
+  b INT DEFAULT NULL
+) ENGINE=InnoDB;
+
+CREATE TABLE t2 (
+  id INT PRIMARY KEY auto_increment,
+  b INT DEFAULT NULL
+) ENGINE=InnoDB;
+
+INSERT INTO t1 (b) VALUES (1),(2),(3);
+
+BEGIN;
+INSERT INTO t1(b) VALUES (4);
+
+--echo -------- switch to master1 --------
+connection master1;
+--send RENAME TABLE t1 TO t3, t2 TO t1;
+
+--echo -------- switch to master --------
+connection master;
+# Need to wait until RENAME is received
+let $wait_condition=
+  SELECT COUNT(*) = 1 FROM information_schema.processlist
+  WHERE info = "RENAME TABLE t1 TO t3, t2 TO t1" and
+  state = "Waiting for table";
+--source include/wait_condition.inc
+
+COMMIT;
+
+--echo -------- switch to master1 --------
+connection master1;
+--reap
+
+--echo -------- switch to master --------
+connection master;
+SELECT * FROM t1;
+SELECT * FROM t3;
+
+sync_slave_with_master;
+
+--echo -------- switch to slave --------
+connection slave;
+SELECT * FROM t1;
+SELECT * FROM t3;
+
+--echo -------- switch to master --------
+connection master;
+DROP TABLE t1;
+DROP TABLE t3;
+
+--echo End of 6.0 tests
+
+--source include/master-slave-end.inc
diff --git a/mysql-test/t/innodb_mysql_lock-master.opt b/mysql-test/t/innodb_mysql_lock-master.opt
new file mode 100644
index 00000000000..0041949b829
--- /dev/null
+++ b/mysql-test/t/innodb_mysql_lock-master.opt
@@ -0,0 +1 @@
+--innodb_lock_wait_timeout=300
diff --git a/mysql-test/t/innodb_mysql_lock.test b/mysql-test/t/innodb_mysql_lock.test
new file mode 100644
index 00000000000..daee94bedb5
--- /dev/null
+++ b/mysql-test/t/innodb_mysql_lock.test
@@ -0,0 +1,58 @@
+-- source include/have_innodb.inc
+
+--echo #
+--echo # Bug #22876 Four-way deadlock
+--echo #
+
+--disable_warnings
+DROP TABLE IF EXISTS t1;
+--enable_warnings
+
+connect (con1,localhost,root,,);
+connect (con2,localhost,root,,);
+connect (con3,localhost,root,,);
+
+--echo # Connection 1
+connection con1;
+set @@autocommit=0;
+CREATE TABLE t1(s1 INT UNIQUE) ENGINE=innodb;
+INSERT INTO t1 VALUES (1);
+
+--echo # Connection 2
+connection con2;
+set @@autocommit=0;
+INSERT INTO t1 VALUES (2);
+--send INSERT INTO t1 VALUES (1)
+
+--echo # Connection 3
+connection con3;
+set @@autocommit=0;
+--send DROP TABLE t1
+
+--echo # Connection 1
+connection con1;
+let $wait_condition=
+  SELECT COUNT(*) = 1 FROM information_schema.processlist
+  WHERE info = "INSERT INTO t1 VALUES (1)" and 
+  state = "update";
+--source include/wait_condition.inc
+let $wait_condition=
+  SELECT COUNT(*) = 1 FROM information_schema.processlist
+  WHERE info = "DROP TABLE t1" and 
+  state = "Waiting for table";
+--source include/wait_condition.inc
+--echo # Connection 1 is now holding the lock.
+--echo # Issuing insert from connection 1 while connection 2&3 
+--echo # is waiting for the lock should give a deadlock error.
+--error ER_LOCK_DEADLOCK
+INSERT INTO t1 VALUES (2);
+
+--echo # Cleanup
+connection con2;
+--reap
+commit;
+connection con1;
+commit;
+connection con3;
+--reap
+connection default;
diff --git a/mysql-test/t/lock.test b/mysql-test/t/lock.test
index eaba2693904..4d610559077 100644
--- a/mysql-test/t/lock.test
+++ b/mysql-test/t/lock.test
@@ -385,6 +385,38 @@ alter table t1 add column j int;
 unlock tables;
 drop table t1;
 
+--echo #
+--echo # Bug#45066 FLUSH TABLES WITH READ LOCK deadlocks against 
+--echo #           LOCK TABLE 
+--echo #
+
+--disable_warnings
+DROP TABLE IF EXISTS t1;
+--enable_warnings
+
+CREATE TABLE t1(a INT);
+
+LOCK TABLE t1 READ;
+--error ER_TABLE_NOT_LOCKED_FOR_WRITE
+FLUSH TABLES;
+
+LOCK TABLE t1 WRITE;
+FLUSH TABLES;
+
+--echo #
+--echo # If you allow the next combination, you reintroduce bug Bug#45066
+--echo # 
+LOCK TABLE t1 READ;
+--error ER_LOCK_OR_ACTIVE_TRANSACTION
+FLUSH TABLES WITH READ LOCK;
+
+LOCK TABLE t1 WRITE;
+--error ER_LOCK_OR_ACTIVE_TRANSACTION
+FLUSH TABLES WITH READ LOCK;
+
+UNLOCK TABLES;
+DROP TABLE t1;
+
 --echo #
 --echo # End of 6.0 tests.
 --echo #