diff --git a/mysql-test/include/kill_mysqld.inc b/mysql-test/include/kill_mysqld.inc
new file mode 100644
index 00000000000..86ee048a0f1
--- /dev/null
+++ b/mysql-test/include/kill_mysqld.inc
@@ -0,0 +1,7 @@
+--let $_server_id= `SELECT @@server_id`
+--let $_expect_file_name= $MYSQLTEST_VARDIR/tmp/mysqld.$_server_id.expect
+
+--echo # Kill the server
+--exec echo "wait" > $_expect_file_name
+--shutdown_server 0
+--source include/wait_until_disconnected.inc
diff --git a/mysql-test/include/sync_slave_sql_with_io.inc b/mysql-test/include/sync_slave_sql_with_io.inc
index 8048f7a177c..9efede9a61f 100644
--- a/mysql-test/include/sync_slave_sql_with_io.inc
+++ b/mysql-test/include/sync_slave_sql_with_io.inc
@@ -26,6 +26,10 @@ let $_slave_timeout= $slave_timeout;
 if (!$_slave_timeout)
 {
   let $_slave_timeout= 300;
+  if ($VALGRIND_TEST)
+  {
+    let $_slave_timeout= 1500;
+  }
 }
 
 --let $_master_log_file= query_get_value(SHOW SLAVE STATUS, Master_Log_File, 1)
diff --git a/mysql-test/include/wait_for_slave_param.inc b/mysql-test/include/wait_for_slave_param.inc
index d3f7ec56614..25020d46ed9 100644
--- a/mysql-test/include/wait_for_slave_param.inc
+++ b/mysql-test/include/wait_for_slave_param.inc
@@ -50,6 +50,10 @@ let $_slave_timeout= $slave_timeout;
 if (!$_slave_timeout)
 {
   let $_slave_timeout= 300;
+  if ($VALGRIND_TEST)
+  {
+    let $_slave_timeout= 1500;
+  }
 }
 
 if ($slave_error_param == '')
diff --git a/mysql-test/r/analyze_stmt_slow_query_log.result b/mysql-test/r/analyze_stmt_slow_query_log.result
index 7d280e66b6c..a0c4b45dee0 100644
--- a/mysql-test/r/analyze_stmt_slow_query_log.result
+++ b/mysql-test/r/analyze_stmt_slow_query_log.result
@@ -1,4 +1,7 @@
 drop table if exists t1;
+SET @@global.slow_query_log = OFF;
+FLUSH SLOW LOGS;
+SET @@global.slow_query_log = ON;
 create table t1 (a int);
 INSERT INTO t1 VALUES (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
 select * from t1 where a<3;
diff --git a/mysql-test/suite/encryption/r/innodb-bad-key-change3.result b/mysql-test/suite/encryption/r/innodb-bad-key-change3.result
index 70501986257..6f4a46b4c44 100644
--- a/mysql-test/suite/encryption/r/innodb-bad-key-change3.result
+++ b/mysql-test/suite/encryption/r/innodb-bad-key-change3.result
@@ -1,8 +1,6 @@
 call mtr.add_suppression("InnoDB: Tablespace for table .* is set as discarded.");
 call mtr.add_suppression("InnoDB: Cannot calculate statistics for table .* because the .ibd file is missing. Please refer to .* for how to resolve the issue.");
 SET GLOBAL innodb_file_format = `Barracuda`;
-Warnings:
-Warning	131	Using innodb_file_format is deprecated and the parameter may be removed in future releases. See http://dev.mysql.com/doc/refman/5.7/en/innodb-file-format.html
 SET GLOBAL innodb_file_per_table = ON;
 set global innodb_compression_algorithm = 1;
 CREATE TABLE t1 (pk INT PRIMARY KEY, f VARCHAR(255)) ENGINE=InnoDB PAGE_COMPRESSED=1 ENCRYPTED=YES ENCRYPTION_KEY_ID=4;
@@ -21,17 +19,12 @@ FLUSH TABLE t1 FOR EXPORT;
 t1.cfg
 t1.frm
 t1.ibd
+backup: t1
 UNLOCK TABLES;
-# Tablespaces should be still encrypted
-# t1 yes on expecting NOT FOUND
-NOT FOUND /foobar/ in t1.ibd
 ALTER TABLE t1 DISCARD TABLESPACE;
+restore: t1 .ibd and .cfg files
 SET GLOBAL innodb_file_format = `Barracuda`;
-Warnings:
-Warning	131	Using innodb_file_format is deprecated and the parameter may be removed in future releases. See http://dev.mysql.com/doc/refman/5.7/en/innodb-file-format.html
 SET GLOBAL innodb_file_per_table = ON;
-# List after t1 DISCARD
-t1.frm
 ALTER TABLE t1 IMPORT TABLESPACE;
 ERROR HY000: Got error 192 'Table encrypted but decryption failed. This could be because correct encryption management plugin is not loaded, used encryption key is not available or encryption method does not match.' from InnoDB
 SHOW CREATE TABLE t1;
@@ -47,5 +40,3 @@ ERROR HY000: Tablespace has been discarded for table `t1`
 # t1 yes on expecting NOT FOUND
 NOT FOUND /foobar/ in t1.ibd
 DROP TABLE t1;
-Warnings:
-Warning	131	Using innodb_file_format is deprecated and the parameter may be removed in future releases. See http://dev.mysql.com/doc/refman/5.7/en/innodb-file-format.html
diff --git a/mysql-test/suite/encryption/r/innodb-discard-import.result b/mysql-test/suite/encryption/r/innodb-discard-import.result
index edcacaf530a..06f4abab9f4 100644
--- a/mysql-test/suite/encryption/r/innodb-discard-import.result
+++ b/mysql-test/suite/encryption/r/innodb-discard-import.result
@@ -1,8 +1,6 @@
 call mtr.add_suppression("InnoDB: Tablespace for table .* is set as discarded.");
 call mtr.add_suppression("InnoDB: Cannot calculate statistics for table .* because the .ibd file is missing. Please refer to .* for how to resolve the issue.");
 SET GLOBAL innodb_file_format = `Barracuda`;
-Warnings:
-Warning	131	Using innodb_file_format is deprecated and the parameter may be removed in future releases. See http://dev.mysql.com/doc/refman/5.7/en/innodb-file-format.html
 SET GLOBAL innodb_file_per_table = ON;
 SET GLOBAL innodb_compression_algorithm = 1;
 create table t1(c1 bigint not null, b char(200))  engine=innodb encrypted=yes encryption_key_id=4;
@@ -60,33 +58,32 @@ t3.ibd
 t4.cfg
 t4.frm
 t4.ibd
+backup: t1
+backup: t2
+backup: t3
+backup: t4
+t1.cfg
+t1.frm
+t1.ibd
+t2.cfg
+t2.frm
+t2.ibd
+t3.cfg
+t3.frm
+t3.ibd
+t4.cfg
+t4.frm
+t4.ibd
 UNLOCK TABLES;
-# tables should be either encrypted and/or compressed
-# t1 yes on expecting NOT FOUND
-NOT FOUND /foobar/ in t1.ibd
-# t2 yes on expecting NOT FOUND
-NOT FOUND /barfoo/ in t2.ibd
-# t3 yes on expecting NOT FOUND
-NOT FOUND /tmpres/ in t3.ibd
-# t4 yes on expecting NOT FOUND
-NOT FOUND /mysql/ in t4.ibd
 ALTER TABLE t1 DISCARD TABLESPACE;
 ALTER TABLE t2 DISCARD TABLESPACE;
 ALTER TABLE t3 DISCARD TABLESPACE;
 ALTER TABLE t4 DISCARD TABLESPACE;
-SET GLOBAL innodb_file_format = `Barracuda`;
-Warnings:
-Warning	131	Using innodb_file_format is deprecated and the parameter may be removed in future releases. See http://dev.mysql.com/doc/refman/5.7/en/innodb-file-format.html
-SET GLOBAL innodb_file_per_table = ON;
-SET GLOBAL innodb_compression_algorithm = 1;
-# List after t1 DISCARD
-t1.frm
-t2.frm
-t3.frm
-t4.frm
+restore: t1 .ibd and .cfg files
+restore: t2 .ibd and .cfg files
+restore: t3 .ibd and .cfg files
+restore: t4 .ibd and .cfg files
 ALTER TABLE t1 IMPORT TABLESPACE;
-Warnings:
-Warning	1814	Tablespace has been discarded for table `t1`
 SHOW CREATE TABLE t1;
 Table	Create Table
 t1	CREATE TABLE `t1` (
@@ -97,8 +94,6 @@ SELECT COUNT(*) FROM t1;
 COUNT(*)
 2000
 ALTER TABLE t2 IMPORT TABLESPACE;
-Warnings:
-Warning	1814	Tablespace has been discarded for table `t2`
 SHOW CREATE TABLE t2;
 Table	Create Table
 t2	CREATE TABLE `t2` (
@@ -109,8 +104,6 @@ SELECT COUNT(*) FROM t2;
 COUNT(*)
 2000
 ALTER TABLE t3 IMPORT TABLESPACE;
-Warnings:
-Warning	1814	Tablespace has been discarded for table `t3`
 SHOW CREATE TABLE t3;
 Table	Create Table
 t3	CREATE TABLE `t3` (
@@ -121,8 +114,6 @@ SELECT COUNT(*) FROM t3;
 COUNT(*)
 2000
 ALTER TABLE t4 IMPORT TABLESPACE;
-Warnings:
-Warning	1814	Tablespace has been discarded for table `t4`
 SHOW CREATE TABLE t4;
 Table	Create Table
 t4	CREATE TABLE `t4` (
@@ -132,12 +123,6 @@ t4	CREATE TABLE `t4` (
 SELECT COUNT(*) FROM t4;
 COUNT(*)
 2000
-flush data to disk
-SET GLOBAL innodb_file_format = `Barracuda`;
-Warnings:
-Warning	131	Using innodb_file_format is deprecated and the parameter may be removed in future releases. See http://dev.mysql.com/doc/refman/5.7/en/innodb-file-format.html
-SET GLOBAL innodb_file_per_table = ON;
-SET GLOBAL innodb_compression_algorithm = 1;
 # tables should be still either encrypted and/or compressed
 # t1 yes on expecting NOT FOUND
 NOT FOUND /foobar/ in t1.ibd
@@ -149,5 +134,3 @@ NOT FOUND /tmpres/ in t3.ibd
 NOT FOUND /mysql/ in t4.ibd
 DROP PROCEDURE innodb_insert_proc;
 DROP TABLE t1,t2,t3,t4;
-Warnings:
-Warning	131	Using innodb_file_format is deprecated and the parameter may be removed in future releases. See http://dev.mysql.com/doc/refman/5.7/en/innodb-file-format.html
diff --git a/mysql-test/suite/encryption/r/innodb_encryption_discard_import.result b/mysql-test/suite/encryption/r/innodb_encryption_discard_import.result
index 2764d7262d9..9a4146767ac 100644
--- a/mysql-test/suite/encryption/r/innodb_encryption_discard_import.result
+++ b/mysql-test/suite/encryption/r/innodb_encryption_discard_import.result
@@ -100,14 +100,6 @@ t3	CREATE TABLE `t3` (
   `a` varchar(255) DEFAULT NULL,
   PRIMARY KEY (`id`)
 ) ENGINE=InnoDB DEFAULT CHARSET=latin1 ROW_FORMAT=COMPRESSED `encrypted`=yes
-# Wait max 10 min for key encryption threads to encrypt all spaces
-# Tablespaces should be encrypted after alter table
-# t1 yes on expecting NOT FOUND
-NOT FOUND /foobar/ in t1.ibd
-# t2 ... on expecting NOT FOUND
-NOT FOUND /temp/ in t2.ibd
-# t3 ... on expecting NOT FOUND
-NOT FOUND /barfoo/ in t3.ibd
 # Restarting server
 # Done restarting server
 # Verify that tables are still usable
@@ -127,6 +119,9 @@ NOT FOUND /foobar/ in t1.ibd
 NOT FOUND /temp/ in t2.ibd
 # t3 ... on expecting NOT FOUND
 NOT FOUND /barfoo/ in t3.ibd
+# Wait max 10 min for key encryption threads to encrypt all spaces
+# Success!
+# Restart mysqld --innodb_encrypt_tables=0 --innodb_encryption_threads=0
 DROP PROCEDURE innodb_insert_proc;
 DROP TABLE t1, t2, t3;
 Warnings:
diff --git a/mysql-test/suite/encryption/t/innodb-bad-key-change3.test b/mysql-test/suite/encryption/t/innodb-bad-key-change3.test
index d0480a6b424..b3ebe1c4aa5 100644
--- a/mysql-test/suite/encryption/t/innodb-bad-key-change3.test
+++ b/mysql-test/suite/encryption/t/innodb-bad-key-change3.test
@@ -34,28 +34,26 @@ EOF
 --enable_reconnect
 --source include/wait_until_connected_again.inc
 
+--disable_warnings
 SET GLOBAL innodb_file_format = `Barracuda`;
 SET GLOBAL innodb_file_per_table = ON;
 set global innodb_compression_algorithm = 1;
+--enable_warnings
 
 CREATE TABLE t1 (pk INT PRIMARY KEY, f VARCHAR(255)) ENGINE=InnoDB PAGE_COMPRESSED=1 ENCRYPTED=YES ENCRYPTION_KEY_ID=4;
 SHOW WARNINGS;
 SHOW CREATE TABLE t1;
 INSERT INTO t1 VALUES (1,'foobar'),(2,'barfoo');
+let MYSQLD_DATADIR =`SELECT @@datadir`;
 FLUSH TABLE t1 FOR EXPORT;
 --echo # List before copying files
 --list_files $MYSQLD_DATADIR/test
---copy_file $MYSQLD_DATADIR/test/t1.cfg $MYSQLD_TMPDIR/t1.cfg
---copy_file $MYSQLD_DATADIR/test/t1.ibd $MYSQLD_TMPDIR/t1.ibd
+perl;
+do "$ENV{MTR_SUITE_DIR}/include/innodb-util.pl";
+ib_backup_tablespaces("test", "t1");
+EOF
 UNLOCK TABLES;
 
---sleep 5
---echo # Tablespaces should be still encrypted
---let SEARCH_PATTERN=foobar
---echo # t1 yes on expecting NOT FOUND
--- let SEARCH_FILE=$t1_IBD
--- source include/search_pattern_in_file.inc
-
 ALTER TABLE t1 DISCARD TABLESPACE;
 
 --exec echo "wait" > $MYSQLTEST_VARDIR/tmp/mysqld.1.expect
@@ -67,17 +65,21 @@ ALTER TABLE t1 DISCARD TABLESPACE;
 4;770A8A65DA156D24EE2A093277530144
 EOF
 
+perl;
+do "$ENV{MTR_SUITE_DIR}/include/innodb-util.pl";
+ib_discard_tablespaces("test", "t1");
+ib_restore_tablespaces("test", "t1");
+EOF
+
 --exec echo "restart:--innodb-encrypt-tables --innodb-stats-persistent --plugin-load-add=file_key_management.so --file-key-management --file-key-management-filename=$MYSQLTEST_VARDIR/keys2.txt" > $MYSQLTEST_VARDIR/tmp/mysqld.1.expect
 --enable_reconnect
 --source include/wait_until_connected_again.inc
 --source include/restart_mysqld.inc
 
+--disable_warnings
 SET GLOBAL innodb_file_format = `Barracuda`;
 SET GLOBAL innodb_file_per_table = ON;
---echo # List after t1 DISCARD
---list_files $MYSQLD_DATADIR/test
---copy_file $MYSQLD_TMPDIR/t1.cfg $MYSQLD_DATADIR/test/t1.cfg
---copy_file $MYSQLD_TMPDIR/t1.ibd $MYSQLD_DATADIR/test/t1.ibd
+--enable_warnings
 
 --error ER_GET_ERRMSG
 ALTER TABLE t1 IMPORT TABLESPACE;
@@ -107,10 +109,12 @@ EOF
 DROP TABLE t1;
 
 # reset system
+--disable_warnings
 --disable_query_log
 EVAL SET GLOBAL innodb_file_per_table = $innodb_file_per_table_orig;
 EVAL SET GLOBAL innodb_file_format = $innodb_file_format_orig;
 --enable_query_log
+--enable_warnings
 
 --remove_file $MYSQLTEST_VARDIR/keys1.txt
 --remove_file $MYSQLTEST_VARDIR/keys2.txt
diff --git a/mysql-test/suite/encryption/t/innodb-discard-import.test b/mysql-test/suite/encryption/t/innodb-discard-import.test
index 3bcb8d39862..9feaacc41e5 100644
--- a/mysql-test/suite/encryption/t/innodb-discard-import.test
+++ b/mysql-test/suite/encryption/t/innodb-discard-import.test
@@ -19,9 +19,11 @@ let $innodb_file_per_table_orig = `SELECT @@innodb_file_per_table`;
 let $innodb_compression_algo = `SELECT @@innodb_compression_algorithm`;
 --enable_query_log
 
+--disable_warnings
 SET GLOBAL innodb_file_format = `Barracuda`;
 SET GLOBAL innodb_file_per_table = ON;
 SET GLOBAL innodb_compression_algorithm = 1;
+--enable_warnings
 
 --let $MYSQLD_TMPDIR = `SELECT @@tmpdir`
 --let $MYSQLD_DATADIR = `SELECT @@datadir`
@@ -66,58 +68,28 @@ select count(*) from t2;
 select count(*) from t3;
 select count(*) from t4;
 
+let MYSQLD_DATADIR =`SELECT @@datadir`;
 FLUSH TABLE t1,t2,t3,t4 FOR EXPORT;
 --echo # List before copying files
 --list_files $MYSQLD_DATADIR/test
---copy_file $MYSQLD_DATADIR/test/t1.cfg $MYSQLD_TMPDIR/t1.cfg
---copy_file $MYSQLD_DATADIR/test/t1.ibd $MYSQLD_TMPDIR/t1.ibd
---copy_file $MYSQLD_DATADIR/test/t2.cfg $MYSQLD_TMPDIR/t2.cfg
---copy_file $MYSQLD_DATADIR/test/t2.ibd $MYSQLD_TMPDIR/t2.ibd
---copy_file $MYSQLD_DATADIR/test/t3.cfg $MYSQLD_TMPDIR/t3.cfg
---copy_file $MYSQLD_DATADIR/test/t3.ibd $MYSQLD_TMPDIR/t3.ibd
---copy_file $MYSQLD_DATADIR/test/t4.cfg $MYSQLD_TMPDIR/t4.cfg
---copy_file $MYSQLD_DATADIR/test/t4.ibd $MYSQLD_TMPDIR/t4.ibd
-UNLOCK TABLES;
+perl;
+do "$ENV{MTR_SUITE_DIR}/include/innodb-util.pl";
+ib_backup_tablespaces("test", "t1","t2","t3","t4");
+EOF
+--list_files $MYSQLD_DATADIR/test
 
---echo # tables should be either encrypted and/or compressed
---let SEARCH_PATTERN=foobar
---echo # t1 yes on expecting NOT FOUND
--- let SEARCH_FILE=$t1_IBD
--- source include/search_pattern_in_file.inc
---let SEARCH_PATTERN=barfoo
---echo # t2 yes on expecting NOT FOUND
--- let SEARCH_FILE=$t2_IBD
--- source include/search_pattern_in_file.inc
---let SEARCH_PATTERN=tmpres
---echo # t3 yes on expecting NOT FOUND
--- let SEARCH_FILE=$t3_IBD
--- source include/search_pattern_in_file.inc
---let SEARCH_PATTERN=mysql
---echo # t4 yes on expecting NOT FOUND
--- let SEARCH_FILE=$t4_IBD
--- source include/search_pattern_in_file.inc
+UNLOCK TABLES;
 
 ALTER TABLE t1 DISCARD TABLESPACE;
 ALTER TABLE t2 DISCARD TABLESPACE;
 ALTER TABLE t3 DISCARD TABLESPACE;
 ALTER TABLE t4 DISCARD TABLESPACE;
 
---source include/restart_mysqld.inc
-
-SET GLOBAL innodb_file_format = `Barracuda`;
-SET GLOBAL innodb_file_per_table = ON;
-SET GLOBAL innodb_compression_algorithm = 1;
-
---echo # List after t1 DISCARD
---list_files $MYSQLD_DATADIR/test
---copy_file $MYSQLD_TMPDIR/t1.cfg $MYSQLD_DATADIR/test/t1.cfg
---copy_file $MYSQLD_TMPDIR/t1.ibd $MYSQLD_DATADIR/test/t1.ibd
---copy_file $MYSQLD_TMPDIR/t2.cfg $MYSQLD_DATADIR/test/t2.cfg
---copy_file $MYSQLD_TMPDIR/t2.ibd $MYSQLD_DATADIR/test/t2.ibd
---copy_file $MYSQLD_TMPDIR/t3.cfg $MYSQLD_DATADIR/test/t3.cfg
---copy_file $MYSQLD_TMPDIR/t3.ibd $MYSQLD_DATADIR/test/t3.ibd
---copy_file $MYSQLD_TMPDIR/t4.cfg $MYSQLD_DATADIR/test/t4.cfg
---copy_file $MYSQLD_TMPDIR/t4.ibd $MYSQLD_DATADIR/test/t4.ibd
+perl;
+do "$ENV{MTR_SUITE_DIR}/include/innodb-util.pl";
+ib_discard_tablespaces("test", "t1","t2","t3","t4");
+ib_restore_tablespaces("test", "t1","t2","t3","t4");
+EOF
 
 ALTER TABLE t1 IMPORT TABLESPACE;
 SHOW CREATE TABLE t1;
@@ -132,13 +104,6 @@ ALTER TABLE t4 IMPORT TABLESPACE;
 SHOW CREATE TABLE t4;
 SELECT COUNT(*) FROM t4;
 
---echo flush data to disk
---source include/restart_mysqld.inc
-
-SET GLOBAL innodb_file_format = `Barracuda`;
-SET GLOBAL innodb_file_per_table = ON;
-SET GLOBAL innodb_compression_algorithm = 1;
-
 --echo # tables should be still either encrypted and/or compressed
 --let SEARCH_PATTERN=foobar
 --echo # t1 yes on expecting NOT FOUND
@@ -161,8 +126,10 @@ DROP PROCEDURE innodb_insert_proc;
 DROP TABLE t1,t2,t3,t4;
 
 # reset system
+--disable_warnings
 --disable_query_log
 EVAL SET GLOBAL innodb_file_per_table = $innodb_file_per_table_orig;
 EVAL SET GLOBAL innodb_file_format = $innodb_file_format_orig;
 EVAL SET GLOBAL innodb_compression_algorithm = $innodb_compression_algo;
 --enable_query_log
+--enable_warnings
diff --git a/mysql-test/suite/encryption/t/innodb_encryption_discard_import.test b/mysql-test/suite/encryption/t/innodb_encryption_discard_import.test
index a713cdf9986..32ba5d306f4 100644
--- a/mysql-test/suite/encryption/t/innodb_encryption_discard_import.test
+++ b/mysql-test/suite/encryption/t/innodb_encryption_discard_import.test
@@ -20,8 +20,10 @@ let $innodb_file_format_orig = `SELECT @@innodb_file_format`;
 let $innodb_file_per_table_orig = `SELECT @@innodb_file_per_table`;
 --enable_query_log
 
+--disable_warnings
 SET GLOBAL innodb_file_format = `Barracuda`;
 SET GLOBAL innodb_file_per_table = ON;
+--enable_warnings
 
 CREATE TABLE t1 (id INT NOT NULL PRIMARY KEY, a VARCHAR(255)) ENGINE=InnoDB encrypted=yes;
 CREATE TABLE t2 (id INT NOT NULL PRIMARY KEY, a VARCHAR(255)) ENGINE=InnoDB;
@@ -116,26 +118,6 @@ SHOW CREATE TABLE t2;
 ALTER TABLE t3 ENGINE InnoDB;
 SHOW CREATE TABLE t3;
 
---echo # Wait max 10 min for key encryption threads to encrypt all spaces
---let $wait_timeout= 600
---let $wait_condition=SELECT COUNT(*) = 0 FROM INFORMATION_SCHEMA.INNODB_TABLESPACES_ENCRYPTION WHERE MIN_KEY_VERSION = 0
---source include/wait_condition.inc
-
---sleep 5
---echo # Tablespaces should be encrypted after alter table
---let SEARCH_PATTERN=foobar
---echo # t1 yes on expecting NOT FOUND
--- let SEARCH_FILE=$t1_IBD
--- source include/search_pattern_in_file.inc
---let SEARCH_PATTERN=temp
---echo # t2 ... on expecting NOT FOUND
--- let SEARCH_FILE=$t2_IBD
--- source include/search_pattern_in_file.inc
---echo # t3 ... on expecting NOT FOUND
---let SEARCH_PATTERN=barfoo
--- let SEARCH_FILE=$t3_IBD
--- source include/search_pattern_in_file.inc
-
 --echo # Restarting server
 -- source include/restart_mysqld.inc
 --echo # Done restarting server
@@ -160,12 +142,23 @@ SELECT COUNT(1) FROM t3;
 -- let SEARCH_FILE=$t3_IBD
 -- source include/search_pattern_in_file.inc
 
+--echo # Wait max 10 min for key encryption threads to encrypt all spaces
+--let $wait_timeout= 600
+--let $wait_condition=SELECT COUNT(*) = 0 FROM INFORMATION_SCHEMA.INNODB_TABLESPACES_ENCRYPTION WHERE MIN_KEY_VERSION = 0
+--source include/wait_condition.inc
+
+--echo # Success!
+--echo # Restart mysqld --innodb_encrypt_tables=0 --innodb_encryption_threads=0
+-- let $restart_parameters=--innodb_encrypt_tables=0 --innodb_encryption_threads=0
+-- source include/restart_mysqld.inc
 
 DROP PROCEDURE innodb_insert_proc;
 DROP TABLE t1, t2, t3;
 
 # reset system
+--disable_warnings
 --disable_query_log
 eval SET GLOBAL innodb_file_per_table = $innodb_file_per_table_orig;
 eval SET GLOBAL innodb_file_format = $innodb_file_format_orig;
 --enable_query_log
+--enable_warnings
diff --git a/mysql-test/suite/galera_3nodes/suite.pm b/mysql-test/suite/galera_3nodes/suite.pm
index 39d5acbcc1b..c91e6e07d76 100644
--- a/mysql-test/suite/galera_3nodes/suite.pm
+++ b/mysql-test/suite/galera_3nodes/suite.pm
@@ -26,6 +26,7 @@ push @::global_suppressions,
   (
      qr(WSREP: wsrep_sst_receive_address is set to '127.0.0.1),
      qr(WSREP: Could not open saved state file for reading: ),
+     qr(WSREP: Could not open state file for reading: ),
      qr(WSREP: Gap in state sequence. Need state transfer.),
      qr(WSREP: Failed to prepare for incremental state transfer:),
      qr(WSREP:.*down context.*),
@@ -33,13 +34,14 @@ push @::global_suppressions,
      qr(WSREP: last inactive check more than .* skipping check),
      qr(WSREP: SQL statement was ineffective),
      qr(WSREP: Releasing seqno [0-9]* before [0-9]* was assigned.),
-     qr|WSREP: access file\(gvwstate.dat\) failed\(No such file or directory\)|,
+     qr|WSREP: access file\(.*gvwstate.dat\) failed\(No such file or directory\)|,
      qr(WSREP: Quorum: No node with complete state),
      qr(WSREP: Initial position was provided by configuration or SST, avoiding override),
      qr|WSREP: discarding established \(time wait\) .*|,
      qr(WSREP: There are no nodes in the same segment that will ever be able to become donors, yet there is a suitable donor outside. Will use that one.),
      qr(WSREP: evs::proto.*),
      qr|WSREP: Ignoring possible split-brain (allowed by configuration) from view:.*|,
+     qr(WSREP: Member .* requested state transfer from .* but it is impossible to select State Transfer donor: Resource temporarily unavailable),
      qr(WSREP: Could not find peer:),
      qr(WSREP: Protocol violation. JOIN message sender .*),
      qr(WSREP: JOIN message from member [0-9]* in non-primary configuration. Ignored.),
diff --git a/mysql-test/suite/innodb/include/no_checkpoint_end.inc b/mysql-test/suite/innodb/include/no_checkpoint_end.inc
new file mode 100644
index 00000000000..7ca81f8ade0
--- /dev/null
+++ b/mysql-test/suite/innodb/include/no_checkpoint_end.inc
@@ -0,0 +1,35 @@
+# Check that the latest checkpoint in the redo log files
+# is not newer than the checkpoint sampled by no_checkpoint_start.inc
+
+--source include/kill_mysqld.inc
+
+perl;
+my $cp = $ENV{CHECKPOINT_LSN};
+$cp =~ s/^InnoDB\t\t//;
+my $log = "$ENV{MYSQLD_DATADIR}ib_logfile0";
+open(LOG, "<$log") || die "Unable to open $log";
+seek(LOG, 512, 0) || die "Unable to seek $log";
+die unless read(LOG, $_, 16) == 16;
+my ($no1hi,$no1lo,$cp1hi,$cp1lo) = unpack("N*", $_);
+seek(LOG, 3 * 512, 0) || die "Unable to seek $log";
+die unless read(LOG, $_, 16) == 16;
+my ($no2hi,$no2lo,$cp2hi,$cp2lo) = unpack("N*", $_);
+close(LOG);
+
+my $cp1 = $cp1hi << 32 | $cp1lo;
+my $cp2 = $cp2hi << 32 | $cp2lo;
+
+open(OUT, ">$ENV{MYSQLTEST_VARDIR}/log/check.txt") || die;
+
+if ($cp1 > $cp || $cp2 > $cp) {
+   print OUT "--source include/start_mysqld.inc\n";
+   print OUT "$ENV{CLEANUP_IF_CHECKPOINT}\n";
+   print OUT "--skip Extra checkpoint 1 after $cp";
+   print OUT " ($no1hi:$no1lo=$cp1,$no2hi:$no2lo=$cp2)\n";
+}
+
+close(OUT);
+EOF
+
+--source $MYSQLTEST_VARDIR/log/check.txt
+--remove_file $MYSQLTEST_VARDIR/log/check.txt
diff --git a/mysql-test/suite/innodb/include/no_checkpoint_start.inc b/mysql-test/suite/innodb/include/no_checkpoint_start.inc
new file mode 100644
index 00000000000..a903fee67d4
--- /dev/null
+++ b/mysql-test/suite/innodb/include/no_checkpoint_start.inc
@@ -0,0 +1,5 @@
+# Preparation for using no_checkpoint_end.inc
+
+let MYSQLD_DATADIR= `select @@datadir`;
+--replace_regex /.*Last checkpoint at[ 	]*([0-9]+).*/\1/
+let CHECKPOINT_LSN=`SHOW ENGINE INNODB STATUS`;
diff --git a/mysql-test/suite/innodb/r/doublewrite.result b/mysql-test/suite/innodb/r/doublewrite.result
new file mode 100644
index 00000000000..aa96a5f2d93
--- /dev/null
+++ b/mysql-test/suite/innodb/r/doublewrite.result
@@ -0,0 +1,241 @@
+#
+# Bug #17335427 INNODB CAN NOT USE THE DOUBLEWRITE BUFFER PROPERLY
+# Bug #18144349 INNODB CANNOT USE THE DOUBLEWRITE BUFFER FOR THE FIRST
+# PAGE OF SYSTEM TABLESPACE
+#
+SET GLOBAL innodb_fast_shutdown = 0;
+show variables like 'innodb_doublewrite';
+Variable_name	Value
+innodb_doublewrite	ON
+show variables like 'innodb_fil_make_page_dirty_debug';
+Variable_name	Value
+innodb_fil_make_page_dirty_debug	0
+show variables like 'innodb_saved_page_number_debug';
+Variable_name	Value
+innodb_saved_page_number_debug	0
+create table t1 (f1 int primary key, f2 blob) engine=innodb;
+start transaction;
+insert into t1 values(1, repeat('#',12));
+insert into t1 values(2, repeat('+',12));
+insert into t1 values(3, repeat('/',12));
+insert into t1 values(4, repeat('-',12));
+insert into t1 values(5, repeat('.',12));
+commit work;
+# ---------------------------------------------------------------
+# Test Begin: Test if recovery works if first page of user
+# tablespace is full of zeroes.
+select space from information_schema.innodb_sys_tables
+where name = 'test/t1' into @space_id;
+# Ensure that dirty pages of table t1 is flushed.
+flush tables t1 for export;
+unlock tables;
+begin;
+insert into t1 values (6, repeat('%', 12));
+# Make the first page dirty for table t1
+set global innodb_saved_page_number_debug = 0;
+set global innodb_fil_make_page_dirty_debug = @space_id;
+# Ensure that dirty pages of table t1 are flushed.
+set global innodb_buf_flush_list_now = 1;
+# Kill the server
+# Make the first page (page_no=0) of the user tablespace
+# full of zeroes.
+check table t1;
+Table	Op	Msg_type	Msg_text
+test.t1	check	status	OK
+select f1, f2 from t1;
+f1	f2
+1	############
+2	++++++++++++
+3	////////////
+4	------------
+5	............
+# Test End
+# ---------------------------------------------------------------
+# Test Begin: Test if recovery works if first page of user
+# tablespace is corrupted.
+select space from information_schema.innodb_sys_tables
+where name = 'test/t1' into @space_id;
+# Ensure that dirty pages of table t1 is flushed.
+flush tables t1 for export;
+unlock tables;
+begin;
+insert into t1 values (6, repeat('%', 12));
+# Make the first page dirty for table t1
+set global innodb_saved_page_number_debug = 0;
+set global innodb_fil_make_page_dirty_debug = @space_id;
+# Ensure that dirty pages of table t1 are flushed.
+set global innodb_buf_flush_list_now = 1;
+# Kill the server
+# Corrupt the first page (page_no=0) of the user tablespace.
+check table t1;
+Table	Op	Msg_type	Msg_text
+test.t1	check	status	OK
+select f1, f2 from t1;
+f1	f2
+1	############
+2	++++++++++++
+3	////////////
+4	------------
+5	............
+# Test End
+# ---------------------------------------------------------------
+# Test Begin: Test if recovery works if 2nd page of user
+# tablespace is full of zeroes.
+select space from information_schema.innodb_sys_tables
+where name = 'test/t1' into @space_id;
+# Ensure that dirty pages of table t1 is flushed.
+flush tables t1 for export;
+unlock tables;
+begin;
+insert into t1 values (6, repeat('%', 400));
+# Make the 2nd page dirty for table t1
+set global innodb_saved_page_number_debug = 1;
+set global innodb_fil_make_page_dirty_debug = @space_id;
+# Ensure that dirty pages of table t1 are flushed.
+set global innodb_buf_flush_list_now = 1;
+# Kill the server
+# Make the 2nd page (page_no=1) of the tablespace all zeroes.
+check table t1;
+Table	Op	Msg_type	Msg_text
+test.t1	check	status	OK
+select f1, f2 from t1;
+f1	f2
+1	############
+2	++++++++++++
+3	////////////
+4	------------
+5	............
+# Test End
+# ---------------------------------------------------------------
+# Test Begin: Test if recovery works if 2nd page of user
+# tablespace is corrupted.
+select space from information_schema.innodb_sys_tables
+where name = 'test/t1' into @space_id;
+# Ensure that dirty pages of table t1 is flushed.
+flush tables t1 for export;
+unlock tables;
+begin;
+insert into t1 values (6, repeat('%', 400));
+# Make the 2nd page dirty for table t1
+set global innodb_saved_page_number_debug = 1;
+set global innodb_fil_make_page_dirty_debug = @space_id;
+# Ensure that the dirty pages of table t1 are flushed.
+set global innodb_buf_flush_list_now = 1;
+# Kill the server
+# Corrupt the 2nd page (page_no=1) of the user tablespace.
+check table t1;
+Table	Op	Msg_type	Msg_text
+test.t1	check	status	OK
+select f1, f2 from t1;
+f1	f2
+1	############
+2	++++++++++++
+3	////////////
+4	------------
+5	............
+# Test End
+# ---------------------------------------------------------------
+# Test Begin: Test if recovery works if first page of
+# system tablespace is full of zeroes.
+begin;
+insert into t1 values (6, repeat('%', 400));
+# Ensure that all dirty pages in the system are flushed.
+set global innodb_buf_flush_list_now = 1;
+# Make the first page dirty for system tablespace
+set global innodb_saved_page_number_debug = 0;
+set global innodb_fil_make_page_dirty_debug = 0;
+# Ensure that the dirty page of system tablespace is also flushed.
+set global innodb_buf_flush_list_now = 1;
+# Kill the server
+# Make the first page (page_no=0) of the system tablespace
+# all zeroes.
+check table t1;
+Table	Op	Msg_type	Msg_text
+test.t1	check	status	OK
+select f1, f2 from t1;
+f1	f2
+1	############
+2	++++++++++++
+3	////////////
+4	------------
+5	............
+# Test End
+# ---------------------------------------------------------------
+# Test Begin: Test if recovery works if first page of
+# system tablespace is corrupted.
+begin;
+insert into t1 values (6, repeat('%', 400));
+# Ensure that all dirty pages in the system are flushed.
+set global innodb_buf_flush_list_now = 1;
+# Make the first page dirty for system tablespace
+set global innodb_saved_page_number_debug = 0;
+set global innodb_fil_make_page_dirty_debug = 0;
+# Ensure that the dirty page of system tablespace is also flushed.
+set global innodb_buf_flush_list_now = 1;
+# Kill the server
+# Corrupt the first page (page_no=0) of the system tablespace.
+check table t1;
+Table	Op	Msg_type	Msg_text
+test.t1	check	status	OK
+select f1, f2 from t1;
+f1	f2
+1	############
+2	++++++++++++
+3	////////////
+4	------------
+5	............
+# Test End
+# ---------------------------------------------------------------
+# Test Begin: Test if recovery works if 2nd page of
+# system tablespace is full of zeroes.
+begin;
+insert into t1 values (6, repeat('%', 400));
+# Ensure that all dirty pages in the system are flushed.
+set global innodb_buf_flush_list_now = 1;
+# Make the second page dirty for system tablespace
+set global innodb_saved_page_number_debug = 1;
+set global innodb_fil_make_page_dirty_debug = 0;
+# Ensure that the dirty page of system tablespace is also flushed.
+set global innodb_buf_flush_list_now = 1;
+# Kill the server
+# Make the 2nd page (page_no=1) of the system tablespace
+# all zeroes.
+check table t1;
+Table	Op	Msg_type	Msg_text
+test.t1	check	status	OK
+select f1, f2 from t1;
+f1	f2
+1	############
+2	++++++++++++
+3	////////////
+4	------------
+5	............
+# Test End
+# ---------------------------------------------------------------
+# Test Begin: Test if recovery works if 2nd page of
+# system tablespace is corrupted.
+begin;
+insert into t1 values (6, repeat('%', 400));
+# Ensure that all dirty pages in the system are flushed.
+set global innodb_buf_flush_list_now = 1;
+# Make the second page dirty for system tablespace
+set global innodb_saved_page_number_debug = 1;
+set global innodb_fil_make_page_dirty_debug = 0;
+# Ensure that the dirty page of system tablespace is also flushed.
+set global innodb_buf_flush_list_now = 1;
+# Kill the server
+# Make the 2nd page (page_no=1) of the system tablespace
+# all zeroes.
+check table t1;
+Table	Op	Msg_type	Msg_text
+test.t1	check	status	OK
+select f1, f2 from t1;
+f1	f2
+1	############
+2	++++++++++++
+3	////////////
+4	------------
+5	............
+# Test End
+# ---------------------------------------------------------------
+drop table t1;
diff --git a/mysql-test/suite/innodb/t/doublewrite.test b/mysql-test/suite/innodb/t/doublewrite.test
new file mode 100644
index 00000000000..e1984319cb7
--- /dev/null
+++ b/mysql-test/suite/innodb/t/doublewrite.test
@@ -0,0 +1,368 @@
+--echo #
+--echo # Bug #17335427 INNODB CAN NOT USE THE DOUBLEWRITE BUFFER PROPERLY
+--echo # Bug #18144349 INNODB CANNOT USE THE DOUBLEWRITE BUFFER FOR THE FIRST
+--echo # PAGE OF SYSTEM TABLESPACE
+--echo #
+
+--source include/have_innodb.inc
+--source include/have_debug.inc
+--source include/not_embedded.inc
+
+# Slow shutdown and restart to make sure ibuf merge is finished
+SET GLOBAL innodb_fast_shutdown = 0;
+--source include/restart_mysqld.inc
+
+--disable_query_log
+call mtr.add_suppression("InnoDB: Database page [0-9]+:1 contained only zeroes.");
+call mtr.add_suppression("Header page consists of zero bytes");
+call mtr.add_suppression("Checksum mismatch in datafile");
+call mtr.add_suppression("but the innodb_page_size start-up parameter is");
+call mtr.add_suppression("Database page corruption");
+--enable_query_log
+
+let INNODB_PAGE_SIZE=`select @@innodb_page_size`;
+let MYSQLD_DATADIR=`select @@datadir`;
+
+show variables like 'innodb_doublewrite';
+show variables like 'innodb_fil_make_page_dirty_debug';
+show variables like 'innodb_saved_page_number_debug';
+
+create table t1 (f1 int primary key, f2 blob) engine=innodb;
+
+start transaction;
+insert into t1 values(1, repeat('#',12));
+insert into t1 values(2, repeat('+',12));
+insert into t1 values(3, repeat('/',12));
+insert into t1 values(4, repeat('-',12));
+insert into t1 values(5, repeat('.',12));
+commit work;
+
+--echo # ---------------------------------------------------------------
+--echo # Test Begin: Test if recovery works if first page of user
+--echo # tablespace is full of zeroes.
+
+select space from information_schema.innodb_sys_tables
+where name = 'test/t1' into @space_id;
+
+--echo # Ensure that dirty pages of table t1 is flushed.
+flush tables t1 for export;
+unlock tables;
+
+begin;
+insert into t1 values (6, repeat('%', 12));
+
+--source ../include/no_checkpoint_start.inc
+
+--echo # Make the first page dirty for table t1
+set global innodb_saved_page_number_debug = 0;
+set global innodb_fil_make_page_dirty_debug = @space_id;
+
+--echo # Ensure that dirty pages of table t1 are flushed.
+set global innodb_buf_flush_list_now = 1;
+
+--let CLEANUP_IF_CHECKPOINT=drop table t1;
+--source ../include/no_checkpoint_end.inc
+
+--echo # Make the first page (page_no=0) of the user tablespace
+--echo # full of zeroes.
+perl;
+use IO::Handle;
+my $fname= "$ENV{'MYSQLD_DATADIR'}test/t1.ibd";
+open(FILE, "+<", $fname) or die;
+FILE->autoflush(1);
+binmode FILE;
+print FILE chr(0) x ($ENV{'INNODB_PAGE_SIZE'});
+close FILE;
+EOF
+
+--source include/start_mysqld.inc
+
+check table t1;
+select f1, f2 from t1;
+
+--echo # Test End
+--echo # ---------------------------------------------------------------
+--echo # Test Begin: Test if recovery works if first page of user
+--echo # tablespace is corrupted.
+
+select space from information_schema.innodb_sys_tables
+where name = 'test/t1' into @space_id;
+
+--echo # Ensure that dirty pages of table t1 is flushed.
+flush tables t1 for export;
+unlock tables;
+
+begin;
+insert into t1 values (6, repeat('%', 12));
+
+--source ../include/no_checkpoint_start.inc
+
+--echo # Make the first page dirty for table t1
+set global innodb_saved_page_number_debug = 0;
+set global innodb_fil_make_page_dirty_debug = @space_id;
+
+--echo # Ensure that dirty pages of table t1 are flushed.
+set global innodb_buf_flush_list_now = 1;
+
+--source include/no_checkpoint_end.inc
+
+--echo # Corrupt the first page (page_no=0) of the user tablespace.
+perl;
+use IO::Handle;
+my $fname= "$ENV{'MYSQLD_DATADIR'}test/t1.ibd";
+open(FILE, "+<", $fname) or die;
+FILE->autoflush(1);
+binmode FILE;
+print FILE chr(0) x ($ENV{'INNODB_PAGE_SIZE'}/2);
+close FILE;
+EOF
+
+--source include/start_mysqld.inc
+
+check table t1;
+select f1, f2 from t1;
+
+--echo # Test End
+--echo # ---------------------------------------------------------------
+--echo # Test Begin: Test if recovery works if 2nd page of user
+--echo # tablespace is full of zeroes.
+
+select space from information_schema.innodb_sys_tables
+where name = 'test/t1' into @space_id;
+
+--echo # Ensure that dirty pages of table t1 is flushed.
+flush tables t1 for export;
+unlock tables;
+
+begin;
+insert into t1 values (6, repeat('%', 400));
+
+--source ../include/no_checkpoint_start.inc
+
+--echo # Make the 2nd page dirty for table t1
+set global innodb_saved_page_number_debug = 1;
+set global innodb_fil_make_page_dirty_debug = @space_id;
+
+--echo # Ensure that dirty pages of table t1 are flushed.
+set global innodb_buf_flush_list_now = 1;
+
+--source include/no_checkpoint_end.inc
+
+--echo # Make the 2nd page (page_no=1) of the tablespace all zeroes.
+perl;
+use IO::Handle;
+my $fname= "$ENV{'MYSQLD_DATADIR'}test/t1.ibd";
+open(FILE, "+<", $fname) or die;
+FILE->autoflush(1);
+binmode FILE;
+seek(FILE, $ENV{'INNODB_PAGE_SIZE'}, SEEK_SET);
+print FILE chr(0) x ($ENV{'INNODB_PAGE_SIZE'});
+close FILE;
+EOF
+
+--source include/start_mysqld.inc
+
+check table t1;
+select f1, f2 from t1;
+
+--echo # Test End
+--echo # ---------------------------------------------------------------
+--echo # Test Begin: Test if recovery works if 2nd page of user
+--echo # tablespace is corrupted.
+
+select space from information_schema.innodb_sys_tables
+where name = 'test/t1' into @space_id;
+
+--echo # Ensure that dirty pages of table t1 is flushed.
+flush tables t1 for export;
+unlock tables;
+
+begin;
+insert into t1 values (6, repeat('%', 400));
+
+--source ../include/no_checkpoint_start.inc
+
+--echo # Make the 2nd page dirty for table t1
+set global innodb_saved_page_number_debug = 1;
+set global innodb_fil_make_page_dirty_debug = @space_id;
+
+--echo # Ensure that the dirty pages of table t1 are flushed.
+set global innodb_buf_flush_list_now = 1;
+
+--source include/no_checkpoint_end.inc
+
+--echo # Corrupt the 2nd page (page_no=1) of the user tablespace.
+perl;
+use IO::Handle;
+my $fname= "$ENV{'MYSQLD_DATADIR'}test/t1.ibd";
+open(FILE, "+<", $fname) or die;
+FILE->autoflush(1);
+binmode FILE;
+seek(FILE, $ENV{'INNODB_PAGE_SIZE'}, SEEK_SET);
+print FILE chr(0) x ($ENV{'INNODB_PAGE_SIZE'}/2);
+close FILE;
+EOF
+
+--source include/start_mysqld.inc
+
+check table t1;
+select f1, f2 from t1;
+
+--echo # Test End
+--echo # ---------------------------------------------------------------
+--echo # Test Begin: Test if recovery works if first page of
+--echo # system tablespace is full of zeroes.
+
+begin;
+insert into t1 values (6, repeat('%', 400));
+
+--echo # Ensure that all dirty pages in the system are flushed.
+set global innodb_buf_flush_list_now = 1;
+
+--echo # Make the first page dirty for system tablespace
+set global innodb_saved_page_number_debug = 0;
+set global innodb_fil_make_page_dirty_debug = 0;
+
+--echo # Ensure that the dirty page of system tablespace is also flushed.
+# We do this after the transaction starts and all dirty pages have been flushed
+# already. So flushing of this specified dirty page will surely keep the
+# copy in doublewrite buffer, and no more writes to doublewrite buffer would
+# overwrite the copy. Thus, we can safely modify the original page when server
+# is down. So do the following testings.
+set global innodb_buf_flush_list_now = 1;
+
+--source include/kill_mysqld.inc
+
+--echo # Make the first page (page_no=0) of the system tablespace
+--echo # all zeroes.
+perl;
+use IO::Handle;
+my $fname= "$ENV{'MYSQLD_DATADIR'}ibdata1";
+open(FILE, "+<", $fname) or die;
+FILE->autoflush(1);
+binmode FILE;
+print FILE chr(0) x ($ENV{'INNODB_PAGE_SIZE'});
+close FILE;
+EOF
+
+--source include/start_mysqld.inc
+
+check table t1;
+select f1, f2 from t1;
+
+--echo # Test End
+--echo # ---------------------------------------------------------------
+--echo # Test Begin: Test if recovery works if first page of
+--echo # system tablespace is corrupted.
+
+begin;
+insert into t1 values (6, repeat('%', 400));
+
+--echo # Ensure that all dirty pages in the system are flushed.
+set global innodb_buf_flush_list_now = 1;
+
+--echo # Make the first page dirty for system tablespace
+set global innodb_saved_page_number_debug = 0;
+set global innodb_fil_make_page_dirty_debug = 0;
+
+--echo # Ensure that the dirty page of system tablespace is also flushed.
+set global innodb_buf_flush_list_now = 1;
+
+--source include/kill_mysqld.inc
+
+--echo # Corrupt the first page (page_no=0) of the system tablespace.
+perl;
+use IO::Handle;
+my $fname= "$ENV{'MYSQLD_DATADIR'}ibdata1";
+open(FILE, "+<", $fname) or die;
+FILE->autoflush(1);
+binmode FILE;
+print FILE chr(0) x ($ENV{'INNODB_PAGE_SIZE'}/2);
+close FILE;
+EOF
+
+--source include/start_mysqld.inc
+
+check table t1;
+select f1, f2 from t1;
+
+--echo # Test End
+--echo # ---------------------------------------------------------------
+--echo # Test Begin: Test if recovery works if 2nd page of
+--echo # system tablespace is full of zeroes.
+
+begin;
+insert into t1 values (6, repeat('%', 400));
+
+--echo # Ensure that all dirty pages in the system are flushed.
+set global innodb_buf_flush_list_now = 1;
+
+--echo # Make the second page dirty for system tablespace
+set global innodb_saved_page_number_debug = 1;
+set global innodb_fil_make_page_dirty_debug = 0;
+
+--echo # Ensure that the dirty page of system tablespace is also flushed.
+set global innodb_buf_flush_list_now = 1;
+
+--source include/kill_mysqld.inc
+
+--echo # Make the 2nd page (page_no=1) of the system tablespace
+--echo # all zeroes.
+perl;
+use IO::Handle;
+my $fname= "$ENV{'MYSQLD_DATADIR'}ibdata1";
+open(FILE, "+<", $fname) or die;
+FILE->autoflush(1);
+binmode FILE;
+seek(FILE, $ENV{'INNODB_PAGE_SIZE'}, SEEK_SET);
+print FILE chr(0) x ($ENV{'INNODB_PAGE_SIZE'});
+close FILE;
+EOF
+
+--source include/start_mysqld.inc
+
+check table t1;
+select f1, f2 from t1;
+
+--echo # Test End
+--echo # ---------------------------------------------------------------
+--echo # Test Begin: Test if recovery works if 2nd page of
+--echo # system tablespace is corrupted.
+
+begin;
+insert into t1 values (6, repeat('%', 400));
+
+--echo # Ensure that all dirty pages in the system are flushed.
+set global innodb_buf_flush_list_now = 1;
+
+--echo # Make the second page dirty for system tablespace
+set global innodb_saved_page_number_debug = 1;
+set global innodb_fil_make_page_dirty_debug = 0;
+
+--echo # Ensure that the dirty page of system tablespace is also flushed.
+set global innodb_buf_flush_list_now = 1;
+
+--source include/kill_mysqld.inc
+
+--echo # Make the 2nd page (page_no=1) of the system tablespace
+--echo # all zeroes.
+perl;
+use IO::Handle;
+my $fname= "$ENV{'MYSQLD_DATADIR'}ibdata1";
+open(FILE, "+<", $fname) or die;
+FILE->autoflush(1);
+binmode FILE;
+seek(FILE, $ENV{'INNODB_PAGE_SIZE'}, SEEK_SET);
+print FILE chr(0) x ($ENV{'INNODB_PAGE_SIZE'}/2);
+close FILE;
+EOF
+
+--source include/start_mysqld.inc
+
+check table t1;
+select f1, f2 from t1;
+
+--echo # Test End
+--echo # ---------------------------------------------------------------
+
+drop table t1;
diff --git a/mysql-test/t/analyze_stmt_slow_query_log.test b/mysql-test/t/analyze_stmt_slow_query_log.test
index 7346ac3b2c5..44865b652cb 100644
--- a/mysql-test/t/analyze_stmt_slow_query_log.test
+++ b/mysql-test/t/analyze_stmt_slow_query_log.test
@@ -2,6 +2,21 @@
 drop table if exists t1;
 --enable_warnings
 
+#
+# Remove old log file
+#
+let SLOW_LOG_FILE= `select @@slow_query_log_file`;
+
+SET @@global.slow_query_log = OFF;
+
+perl;
+  my $slow_log_file= $ENV{'SLOW_LOG_FILE'} or die "SLOW_LOG_FILE not set";
+  unlink($slow_log_file);
+EOF
+
+FLUSH SLOW LOGS;
+SET @@global.slow_query_log = ON;
+
 create table t1 (a int);
 INSERT INTO t1 VALUES (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
 select * from t1 where a<3;
diff --git a/storage/innobase/fil/fil0crypt.cc b/storage/innobase/fil/fil0crypt.cc
index b7ba81daf05..fd1cc24c92a 100644
--- a/storage/innobase/fil/fil0crypt.cc
+++ b/storage/innobase/fil/fil0crypt.cc
@@ -41,14 +41,10 @@ Modified           Jan Lindström jan.lindstrom@mariadb.com
 #include <my_crypt.h>
 
 /** Mutex for keys */
-UNIV_INTERN ib_mutex_t fil_crypt_key_mutex;
+static ib_mutex_t fil_crypt_key_mutex;
 
 static bool fil_crypt_threads_inited = false;
 
-#ifdef UNIV_PFS_MUTEX
-UNIV_INTERN mysql_pfs_key_t fil_crypt_key_mutex_key;
-#endif
-
 /** Is encryption enabled/disabled */
 UNIV_INTERN ulong srv_encrypt_tables = 0;
 
@@ -62,20 +58,16 @@ static uint srv_n_fil_crypt_threads_started = 0;
 UNIV_INTERN uint srv_fil_crypt_rotate_key_age = 1;
 
 /** Event to signal FROM the key rotation threads. */
-UNIV_INTERN os_event_t fil_crypt_event;
+static os_event_t fil_crypt_event;
 
 /** Event to signal TO the key rotation threads. */
-UNIV_INTERN os_event_t fil_crypt_threads_event;
+static os_event_t fil_crypt_threads_event;
 
 /** Event for waking up threads throttle */
-UNIV_INTERN os_event_t fil_crypt_throttle_sleep_event;
+static os_event_t fil_crypt_throttle_sleep_event;
 
 /** Mutex for key rotation threads */
-UNIV_INTERN ib_mutex_t fil_crypt_threads_mutex;
-
-#ifdef UNIV_PFS_MUTEX
-UNIV_INTERN mysql_pfs_key_t fil_crypt_threads_mutex_key;
-#endif
+static ib_mutex_t fil_crypt_threads_mutex;
 
 /** Variable ensuring only 1 thread at time does initial conversion */
 static bool fil_crypt_start_converting = false;
diff --git a/storage/innobase/include/fil0crypt.h b/storage/innobase/include/fil0crypt.h
index eb6eaa229b5..e854915b2ae 100644
--- a/storage/innobase/include/fil0crypt.h
+++ b/storage/innobase/include/fil0crypt.h
@@ -34,9 +34,6 @@ Created 04/01/2015 Jan Lindström
 static const unsigned char CRYPT_MAGIC[MAGIC_SZ] = {
 	's', 0xE, 0xC, 'R', 'E', 't' };
 
-static const unsigned char EMPTY_PATTERN[MAGIC_SZ] = {
-	0x0, 0x0, 0x0, 0x0, 0x0, 0x0 };
-
 /* This key will be used if nothing else is given */
 #define FIL_DEFAULT_ENCRYPTION_KEY ENCRYPTION_KEY_SYSTEM_DATA
 
diff --git a/storage/xtradb/fil/fil0crypt.cc b/storage/xtradb/fil/fil0crypt.cc
index e752f0d8650..3670f0fac4f 100644
--- a/storage/xtradb/fil/fil0crypt.cc
+++ b/storage/xtradb/fil/fil0crypt.cc
@@ -41,12 +41,12 @@ Modified           Jan Lindström jan.lindstrom@mariadb.com
 #include <my_crypt.h>
 
 /** Mutex for keys */
-UNIV_INTERN ib_mutex_t fil_crypt_key_mutex;
+static ib_mutex_t fil_crypt_key_mutex;
 
 static bool fil_crypt_threads_inited = false;
 
 #ifdef UNIV_PFS_MUTEX
-UNIV_INTERN mysql_pfs_key_t fil_crypt_key_mutex_key;
+static mysql_pfs_key_t fil_crypt_key_mutex_key;
 #endif
 
 /** Is encryption enabled/disabled */
@@ -62,19 +62,19 @@ static uint srv_n_fil_crypt_threads_started = 0;
 UNIV_INTERN uint srv_fil_crypt_rotate_key_age = 1;
 
 /** Event to signal FROM the key rotation threads. */
-UNIV_INTERN os_event_t fil_crypt_event;
+static os_event_t fil_crypt_event;
 
 /** Event to signal TO the key rotation threads. */
-UNIV_INTERN os_event_t fil_crypt_threads_event;
+static os_event_t fil_crypt_threads_event;
 
 /** Event for waking up threads throttle */
-UNIV_INTERN os_event_t fil_crypt_throttle_sleep_event;
+static os_event_t fil_crypt_throttle_sleep_event;
 
 /** Mutex for key rotation threads */
-UNIV_INTERN ib_mutex_t fil_crypt_threads_mutex;
+static ib_mutex_t fil_crypt_threads_mutex;
 
 #ifdef UNIV_PFS_MUTEX
-UNIV_INTERN mysql_pfs_key_t fil_crypt_threads_mutex_key;
+static mysql_pfs_key_t fil_crypt_threads_mutex_key;
 #endif
 
 /** Variable ensuring only 1 thread at time does initial conversion */
@@ -96,13 +96,11 @@ static fil_crypt_stat_t crypt_stat;
 static ib_mutex_t crypt_stat_mutex;
 
 #ifdef UNIV_PFS_MUTEX
-UNIV_INTERN mysql_pfs_key_t fil_crypt_stat_mutex_key;
-#endif
+static mysql_pfs_key_t fil_crypt_stat_mutex_key;
 
 /**
  * key for crypt data mutex
 */
-#ifdef UNIV_PFS_MUTEX
 UNIV_INTERN mysql_pfs_key_t fil_crypt_data_mutex_key;
 #endif
 
@@ -140,6 +138,8 @@ fil_space_crypt_cleanup()
 /*=====================*/
 {
 	os_event_free(fil_crypt_throttle_sleep_event);
+	mutex_free(&fil_crypt_key_mutex);
+	mutex_free(&crypt_stat_mutex);
 }
 
 /**
@@ -283,11 +283,6 @@ fil_space_read_crypt_data(
 	const byte*	page,	/*!< in: page 0 */
 	ulint		offset)	/*!< in: offset */
 {
-	if (memcmp(page + offset, EMPTY_PATTERN, MAGIC_SZ) == 0) {
-		/* Crypt data is not stored. */
-		return NULL;
-	}
-
 	if (memcmp(page + offset, CRYPT_MAGIC, MAGIC_SZ) != 0) {
 		/* Crypt data is not stored. */
 		return NULL;
@@ -362,7 +357,7 @@ fil_space_destroy_crypt_data(
 		fil_space_crypt_t* c = *crypt_data;
 		c->~fil_space_crypt_struct();
 		mem_free(c);
-		(*crypt_data) = NULL;
+		*crypt_data = NULL;
 	}
 }
 
@@ -2483,6 +2478,7 @@ fil_crypt_threads_cleanup()
 {
 	os_event_free(fil_crypt_event);
 	os_event_free(fil_crypt_threads_event);
+	mutex_free(&fil_crypt_threads_mutex);
 	fil_crypt_threads_inited = false;
 }
 
diff --git a/storage/xtradb/include/fil0crypt.h b/storage/xtradb/include/fil0crypt.h
index 8bb0ce65a6b..9a35f6591e7 100644
--- a/storage/xtradb/include/fil0crypt.h
+++ b/storage/xtradb/include/fil0crypt.h
@@ -34,9 +34,6 @@ Created 04/01/2015 Jan Lindström
 static const unsigned char CRYPT_MAGIC[MAGIC_SZ] = {
 	's', 0xE, 0xC, 'R', 'E', 't' };
 
-static const unsigned char EMPTY_PATTERN[MAGIC_SZ] = {
-	0x0, 0x0, 0x0, 0x0, 0x0, 0x0 };
-
 /* This key will be used if nothing else is given */
 #define FIL_DEFAULT_ENCRYPTION_KEY ENCRYPTION_KEY_SYSTEM_DATA
 
diff --git a/storage/xtradb/row/row0ftsort.cc b/storage/xtradb/row/row0ftsort.cc
index 9f182fc5e70..fb78808ae80 100644
--- a/storage/xtradb/row/row0ftsort.cc
+++ b/storage/xtradb/row/row0ftsort.cc
@@ -668,7 +668,6 @@ fts_parallel_tokenization(
 	mem_heap_t*		blob_heap = NULL;
 	fts_doc_t		doc;
 	dict_table_t*		table = psort_info->psort_common->new_table;
-	dict_field_t*		idx_field;
 	fts_tokenize_ctx_t	t_ctx;
 	ulint			retried = 0;
 	dberr_t			error = DB_SUCCESS;
@@ -691,9 +690,6 @@ fts_parallel_tokenization(
 	doc.charset = fts_index_get_charset(
 		psort_info->psort_common->dup->index);
 
-	idx_field = dict_index_get_nth_field(
-		psort_info->psort_common->dup->index, 0);
-
 	block = psort_info->merge_block;
 	crypt_block = psort_info->crypt_block;
 	crypt_data = psort_info->psort_common->crypt_data;
diff --git a/storage/xtradb/srv/srv0start.cc b/storage/xtradb/srv/srv0start.cc
index bcd4bfbf495..6943765c4ac 100644
--- a/storage/xtradb/srv/srv0start.cc
+++ b/storage/xtradb/srv/srv0start.cc
@@ -3,7 +3,7 @@
 Copyright (c) 1996, 2016, Oracle and/or its affiliates. All rights reserved.
 Copyright (c) 2008, Google Inc.
 Copyright (c) 2009, Percona Inc.
-Copyright (c) 2013, 2015, MariaDB Corporation
+Copyright (c) 2013, 2016, MariaDB Corporation
 
 Portions of this file contain modifications contributed and copyrighted by
 Google, Inc. Those modifications are gratefully acknowledged and are described