2 files changed, 44 insertions, 1 deletions
diff --git a/mysql-test/suite/rpl/t/rpl_conditional_comments.test b/mysql-test/suite/rpl/t/rpl_conditional_comments.test
index bcc964a92c7..6e4ec8745f4 100644
--- a/mysql-test/suite/rpl/t/rpl_conditional_comments.test
+++ b/mysql-test/suite/rpl/t/rpl_conditional_comments.test
@@ -68,7 +68,17 @@ sync_slave_with_master;
 --echo # comments
 --connection master
 --error 1064
-SELECT c1 FROM /*!999999 t1 WHEREN;
+SELECT c1 FROM /*!999999 t1 WHEREN; #*/
+
+#
+# Bug#28388217 - SERVER CAN FAIL WHILE REPLICATING CONDITIONAL COMMENTS
+#
+insert t1 values (/*!50505 1 /* foo */ */ + 2);
+insert t1 values (/*!999999 10 /* foo */ */ + 20);
+source include/show_binlog_events.inc;
+sync_slave_with_master;
+select * from t1;
+connection master;
 
 DROP TABLE t1;
 --source include/rpl_end.inc
diff --git a/mysql-test/suite/rpl/t/rpl_fail_register.test b/mysql-test/suite/rpl/t/rpl_fail_register.test
new file mode 100644
index 00000000000..bfecc9d7f14
--- /dev/null
+++ b/mysql-test/suite/rpl/t/rpl_fail_register.test
@@ -0,0 +1,33 @@
+source include/have_debug.inc;
+source include/have_binlog_format_mixed.inc;
+source include/master-slave.inc;
+
+connection slave;
+
+set @old_dbug=@@global.debug_dbug;
+set global debug_dbug='d,fail_com_register_slave';
+
+stop slave;
+reset slave;
+source include/wait_for_slave_to_stop.inc;
+start slave;
+stop slave;
+source include/wait_for_slave_to_stop.inc;
+set global debug_dbug=@old_dbug;
+
+connection master;
+
+### why is that needed?
+let $id=`SELECT id from information_schema.processlist where command='Binlog Dump'`;
+if ($id) {
+  replace_result $id DUMP_THREAD;
+  eval kill $id;
+  let $wait_condition= SELECT count(*)=0 from information_schema.processlist where command='Binlog Dump';
+  source include/wait_condition.inc;
+}
+
+show slave hosts;
+
+connection slave;
+start slave;
+source include/rpl_end.inc;