Stabilize innodb.redo_log_during_checkpoint

Externally kill and restart the server, and remove the
unreliable crash_after_checkpoint.

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

@@ -5,10 +5,7 @@ SET GLOBAL innodb_log_checkpoint_now = 1;
 CREATE DATABASE very_long_database_name;
 USE very_long_database_name;
 SET debug_dbug = '+d,increase_mtr_checkpoint_size';
-SET debug_dbug = '+d,crash_after_checkpoint';
 set global innodb_log_checkpoint_now = 1;
-ERROR HY000: Lost connection to MySQL server during query
-# Skip MLOG_FILE_NAME redo records during recovery
 DROP DATABASE very_long_database_name;
 SET GLOBAL innodb_flush_sync=OFF;
 SET GLOBAL innodb_page_cleaner_disabled_debug = 1;
@@ -19,8 +16,5 @@ SET GLOBAL innodb_log_checkpoint_now = 1;
 # exceeds LOG_CHECKPOINT_FREE_PER_THREAD size during checkpoint.
 CREATE DATABASE very_long_database_name;
 USE very_long_database_name;
-SET debug_dbug = '+d,crash_after_checkpoint';
 set global innodb_log_checkpoint_now = 1;
-ERROR HY000: Lost connection to MySQL server during query
-# Skip MLOG_FILE_NAME redo records during recovery
 DROP DATABASE very_long_database_name;

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

@@ -3,9 +3,6 @@
 --source include/big_test.inc
 # Embedded server tests do not support restarting
 --source include/not_embedded.inc
-# We are crashing the server on purpose
---source include/not_valgrind.inc
---source include/not_crashrep.inc
 # This often fails under MSAN builder due timing differences
 --source include/not_msan.inc
 
@@ -37,12 +34,10 @@ while ($i)
 --exec echo "wait" > $_expect_file_name
 
 SET debug_dbug = '+d,increase_mtr_checkpoint_size';
-SET debug_dbug = '+d,crash_after_checkpoint';
---error 2013
 set global innodb_log_checkpoint_now = 1;
 
---echo # Skip MLOG_FILE_NAME redo records during recovery
---source include/start_mysqld.inc
+--let $restart_timeout=0
+--source include/restart_mysqld.inc
 
 DROP DATABASE very_long_database_name;
 
@@ -67,13 +62,9 @@ while ($i)
 }
 --enable_query_log
 
---exec echo "wait" > $_expect_file_name
-SET debug_dbug = '+d,crash_after_checkpoint';
---error 2013
 set global innodb_log_checkpoint_now = 1;
 
---echo # Skip MLOG_FILE_NAME redo records during recovery
 --let $restart_parameters = --debug-dbug=d,reduce_recv_parsing_buf
---source include/start_mysqld.inc
+--source include/restart_mysqld.inc
 
 DROP DATABASE very_long_database_name;

storage/innobase/log/log0log.cc

@@ -2,7 +2,7 @@
 
 Copyright (c) 1995, 2017, Oracle and/or its affiliates. All Rights Reserved.
 Copyright (c) 2009, Google Inc.
-Copyright (c) 2014, 2021, MariaDB Corporation.
+Copyright (c) 2014, 2022, MariaDB Corporation.
 
 Portions of this file contain modifications contributed and copyrighted by
 Google, Inc. Those modifications are gratefully acknowledged and are described
@@ -968,8 +968,6 @@ ATTRIBUTE_COLD void log_write_checkpoint_info(lsn_t end_lsn)
 
 	MONITOR_INC(MONITOR_NUM_CHECKPOINT);
 
-	DBUG_EXECUTE_IF("crash_after_checkpoint", DBUG_SUICIDE(););
-
 	mysql_mutex_unlock(&log_sys.mutex);
 }