SET GLOBAL innodb_flush_log_at_trx_commit=3;
CREATE TABLE t1 (a INT PRIMARY KEY) ENGINE=innodb;
INSERT INTO t1 VALUES (0);
connect con1,localhost,root,,;
connect con2,localhost,root,,;
connect con3,localhost,root,,;
connection con1;
SET DEBUG_SYNC= "commit_after_get_LOCK_log SIGNAL con1_waiting WAIT_FOR con3_queued";
SET DEBUG_SYNC= "commit_loop_entry_commit_ordered SIGNAL con1_loop WAIT_FOR con1_loop_cont EXECUTE 3";
INSERT INTO t1 VALUES (1);
connection con2;
SET DEBUG_SYNC= "now WAIT_FOR con1_waiting";
SET DEBUG_SYNC= "commit_after_prepare_ordered SIGNAL con2_queued";
INSERT INTO t1 VALUES (2);
connection con3;
SET DEBUG_SYNC= "now WAIT_FOR con2_queued";
SET DEBUG_SYNC= "commit_after_prepare_ordered SIGNAL con3_queued";
INSERT INTO t1 VALUES (3);
connection default;
SET DEBUG_SYNC= "now WAIT_FOR con1_loop";
SET DEBUG_SYNC= "now SIGNAL con1_loop_cont";
SET DEBUG_SYNC= "now WAIT_FOR con1_loop";
SET DEBUG_SYNC= "now SIGNAL con1_loop_cont";
SET DEBUG_SYNC= "now WAIT_FOR con1_loop";
SELECT * FROM t1 ORDER BY a;
a
0
1
2
connection con2;
connection default;
SET SESSION debug_dbug="+d,crash_dispatch_command_before";
SELECT 1;
Got one of the listed errors
connection con1;
Got one of the listed errors
connection con3;
Got one of the listed errors
connection default;
SELECT * FROM t1 ORDER BY a;
a
0
1
2
3
InnoDB: Last MySQL binlog file position 0 <pos>, file name ./master-bin.000001
SET DEBUG_SYNC= 'RESET';
DROP TABLE t1;