MDEV-33635 innodb.innodb-64k-crash - Found warnings/errors in server log file

- Suppress the "Difficult to find free blocks" warning
globally to avoid many different test case failing.

- Demote the error information in validate_first_page() to note.
So first page can recovered from doublewrite buffer and can throw
error in case the page wasn't found in doublewrite buffer.

mysql-test/mysql-test-run.pl

@@ -4510,6 +4510,7 @@ sub extract_warning_lines ($$) {
      qr/WSREP: Failed to guess base node address/,
      qr/WSREP: Guessing address for incoming client/,
 
+     qr/InnoDB: Difficult to find free blocks in the buffer pool*/,
      # for UBSAN
      qr/decimal\.c.*: runtime error: signed integer overflow/,
      # Disable test for UBSAN on dynamically loaded objects

mysql-test/suite/innodb/r/innodb-lru-force-no-free-page.result

-call mtr.add_suppression("InnoDB: Difficult to find free blocks in the buffer pool");
 SET @saved_debug = @@SESSION.debug_dbug;
 SET SESSION debug_dbug="+d,ib_lru_force_no_free_page";
 CREATE TABLE t1 (j LONGBLOB) ENGINE = InnoDB;

mysql-test/suite/innodb/r/log_file_name.result

@@ -90,7 +90,7 @@ SELECT * FROM INFORMATION_SCHEMA.ENGINES
 WHERE engine = 'innodb'
 AND support IN ('YES', 'DEFAULT', 'ENABLED');
 ENGINE	SUPPORT	COMMENT	TRANSACTIONS	XA	SAVEPOINTS
-FOUND 1 /\[ERROR\] InnoDB: Header page consists of zero bytes in datafile: .*u1.ibd/ in mysqld.1.err
+FOUND 1 /\[Note\] InnoDB: Header page consists of zero bytes in datafile: .*u1.ibd/ in mysqld.1.err
 FOUND 1 /\[ERROR\] InnoDB: Datafile .*u1.*\. Cannot determine the space ID from the first 64 pages/ in mysqld.1.err
 NOT FOUND /\[Note\] InnoDB: Cannot read first page of .*u2.ibd/ in mysqld.1.err
 # Fault 7: Missing or wrong data file and innodb_force_recovery
@@ -99,11 +99,11 @@ SELECT * FROM INFORMATION_SCHEMA.ENGINES
 WHERE engine = 'innodb'
 AND support IN ('YES', 'DEFAULT', 'ENABLED');
 ENGINE	SUPPORT	COMMENT	TRANSACTIONS	XA	SAVEPOINTS
-FOUND 1 /\[ERROR\] InnoDB: Header page consists of zero bytes in datafile: .*u1.ibd/ in mysqld.1.err
+FOUND 1 /\[Note\] InnoDB: Header page consists of zero bytes in datafile: .*u1.ibd/ in mysqld.1.err
 FOUND 1 /InnoDB: At LSN: \d+: unable to open file .*u[1-5].ibd for tablespace/ in mysqld.1.err
 FOUND 1 /\[ERROR\] InnoDB: Cannot replay rename of tablespace \d+ from '.*u4.ibd' to '.*u6.ibd' because the target file exists/ in mysqld.1.err
 # restart: --innodb-force-recovery=1
-FOUND 1 /\[ERROR\] InnoDB: Header page consists of zero bytes in datafile: .*u1.ibd/ in mysqld.1.err
+FOUND 1 /\[Note\] InnoDB: Header page consists of zero bytes in datafile: .*u1.ibd/ in mysqld.1.err
 FOUND 1 /InnoDB: At LSN: \d+: unable to open file .*u[1-5].ibd for tablespace/ in mysqld.1.err
 FOUND 1 /\[Warning\] InnoDB: Tablespace \d+ was not found at .*u[1-5].ibd, and innodb_force_recovery was set. All redo log for this tablespace will be ignored!/ in mysqld.1.err
 # restart

mysql-test/suite/innodb/t/innodb-lru-force-no-free-page.test

@@ -2,8 +2,6 @@
 --source include/have_debug.inc
 --source include/not_embedded.inc
 
-call mtr.add_suppression("InnoDB: Difficult to find free blocks in the buffer pool");
-
 SET @saved_debug = @@SESSION.debug_dbug;
 SET SESSION debug_dbug="+d,ib_lru_force_no_free_page";
 

mysql-test/suite/innodb/t/log_file_name.test

@@ -218,7 +218,7 @@ EOF
 --source include/start_mysqld.inc
 eval $check_no_innodb;
 
-let SEARCH_PATTERN= \[ERROR\] InnoDB: Header page consists of zero bytes in datafile: .*u1.ibd;
+let SEARCH_PATTERN= \[Note\] InnoDB: Header page consists of zero bytes in datafile: .*u1.ibd;
 --source include/search_pattern_in_file.inc
 
 let SEARCH_PATTERN= \[ERROR\] InnoDB: Datafile .*u1.*\. Cannot determine the space ID from the first 64 pages;
@@ -243,7 +243,7 @@ let SEARCH_PATTERN= \[Note\] InnoDB: Cannot read first page of .*u2.ibd;
 --source include/start_mysqld.inc
 eval $check_no_innodb;
 
-let SEARCH_PATTERN= \[ERROR\] InnoDB: Header page consists of zero bytes in datafile: .*u1.ibd;
+let SEARCH_PATTERN= \[Note\] InnoDB: Header page consists of zero bytes in datafile: .*u1.ibd;
 --source include/search_pattern_in_file.inc
 
 let SEARCH_PATTERN= InnoDB: At LSN: \d+: unable to open file .*u[1-5].ibd for tablespace;
@@ -256,7 +256,7 @@ let SEARCH_PATTERN= \[ERROR\] InnoDB: Cannot replay rename of tablespace \d+ fro
 
 --source include/restart_mysqld.inc
 
-let SEARCH_PATTERN= \[ERROR\] InnoDB: Header page consists of zero bytes in datafile: .*u1.ibd;
+let SEARCH_PATTERN= \[Note\] InnoDB: Header page consists of zero bytes in datafile: .*u1.ibd;
 --source include/search_pattern_in_file.inc
 
 let SEARCH_PATTERN= InnoDB: At LSN: \d+: unable to open file .*u[1-5].ibd for tablespace;

storage/innobase/fsp/fsp0file.cc

@@ -538,9 +538,10 @@ Datafile::validate_first_page(lsn_t* flush_lsn)
 
 	if (error_txt != NULL) {
 err_exit:
-		sql_print_error("InnoDB: %s in datafile: %s, Space ID: %zu, "
-				"Flags: %zu", error_txt, m_filepath,
-				m_space_id, m_flags);
+		sql_print_information(
+			"InnoDB: %s in datafile: %s, Space ID: %zu, "
+			"Flags: %zu", error_txt, m_filepath,
+			m_space_id, m_flags);
 		m_is_valid = false;
 		free_first_page();
 		return(DB_CORRUPTION);