Description:
$ ./mtr rpl_gtid.rpl_replica_compatibility_rules_non_lts
...
[ 50%] rpl_gtid.rpl_replica_compatibility_rules_non_lts 'row' [ fail ]
Test ended at 2026-07-07 08:27:41
CURRENT_TEST: rpl_gtid.rpl_replica_compatibility_rules_non_lts
mysqltest: At line 193: Timeout in include/rpl/wait_for_replica_status.inc
The result from queries just before the failure was:
Number_of_lines Relay_log_name Relay_log_pos Master_log_name Master_log_pos Sql_delay Number_of_workers Id Channel_name Privilege_checks_username Privilege_checks_hostname Require_row_format Require_table_primary_key_check Assign_gtids_to_anonymous_transactions_type Assign_gtids_to_anonymous_transactions_value Applier_version Applier_worker_count Applier_event_memory_limit
17 ./slave-relay-bin.000006 465 master-bin.000001 358 0 4 1 NULL NULL 0 STREAM OFF 10 1073741824
**** slave_master_info on server_2 ****
SELECT * FROM mysql.slave_master_info;
Number_of_lines Master_log_name Master_log_pos Host User_name User_password Port Connect_retry Enabled_ssl Ssl_ca Ssl_capath Ssl_cert Ssl_cipher Ssl_key Ssl_verify_server_cert Heartbeat Bind Ignored_server_ids Uuid Retry_count Ssl_crl Ssl_crlpath Enabled_auto_position Channel_name Tls_version Public_key_path Get_public_key Network_namespace Master_compression_algorithm Master_zstd_compression_level Tls_ciphersuites Source_connection_auto_failover Gtid_only
33 master-bin.000001 158 127.0.0.1 root 13000 1 1 0 30 0cb04d7d2-79c3-11f1-b7dc-7f5324b933d6 10 1 0 uncompressed 3 NULL 0 0
**** mysql.gtid_executed on server_2 ****
SELECT * FROM mysql.gtid_executed;
source_uuid interval_start interval_end gtid_tag
cb04d7d2-79c3-11f1-b7dc-7f5324b933d6 1 1
rpl_topology=1->2
extra debug info if any: ''
connection default;
1 tests executed in this mtr thread: rpl_gtid.rpl_replica_compatibility_rules_non_lts
last error log entry: SERVER_1:<none>; SERVER_2:<Thread: 23 Error: MY-015671: Replica I/O for channel '': Replication from higher version source (26.8.0-er-debug) to lower version replica (26.7.0-er-debug) is disallowed due to replica_allow_higher_version_source=OFF. Error_code: MY-015671>
rpl error summary: no errors in workers, receivers, or coordinators
connection slave;
safe_process[7095]: Child process: 7096, exit: 1
How to repeat:
See above, I used debug build
Description: $ ./mtr rpl_gtid.rpl_replica_compatibility_rules_non_lts ... [ 50%] rpl_gtid.rpl_replica_compatibility_rules_non_lts 'row' [ fail ] Test ended at 2026-07-07 08:27:41 CURRENT_TEST: rpl_gtid.rpl_replica_compatibility_rules_non_lts mysqltest: At line 193: Timeout in include/rpl/wait_for_replica_status.inc The result from queries just before the failure was: Number_of_lines Relay_log_name Relay_log_pos Master_log_name Master_log_pos Sql_delay Number_of_workers Id Channel_name Privilege_checks_username Privilege_checks_hostname Require_row_format Require_table_primary_key_check Assign_gtids_to_anonymous_transactions_type Assign_gtids_to_anonymous_transactions_value Applier_version Applier_worker_count Applier_event_memory_limit 17 ./slave-relay-bin.000006 465 master-bin.000001 358 0 4 1 NULL NULL 0 STREAM OFF 10 1073741824 **** slave_master_info on server_2 **** SELECT * FROM mysql.slave_master_info; Number_of_lines Master_log_name Master_log_pos Host User_name User_password Port Connect_retry Enabled_ssl Ssl_ca Ssl_capath Ssl_cert Ssl_cipher Ssl_key Ssl_verify_server_cert Heartbeat Bind Ignored_server_ids Uuid Retry_count Ssl_crl Ssl_crlpath Enabled_auto_position Channel_name Tls_version Public_key_path Get_public_key Network_namespace Master_compression_algorithm Master_zstd_compression_level Tls_ciphersuites Source_connection_auto_failover Gtid_only 33 master-bin.000001 158 127.0.0.1 root 13000 1 1 0 30 0cb04d7d2-79c3-11f1-b7dc-7f5324b933d6 10 1 0 uncompressed 3 NULL 0 0 **** mysql.gtid_executed on server_2 **** SELECT * FROM mysql.gtid_executed; source_uuid interval_start interval_end gtid_tag cb04d7d2-79c3-11f1-b7dc-7f5324b933d6 1 1 rpl_topology=1->2 extra debug info if any: '' connection default; 1 tests executed in this mtr thread: rpl_gtid.rpl_replica_compatibility_rules_non_lts last error log entry: SERVER_1:<none>; SERVER_2:<Thread: 23 Error: MY-015671: Replica I/O for channel '': Replication from higher version source (26.8.0-er-debug) to lower version replica (26.7.0-er-debug) is disallowed due to replica_allow_higher_version_source=OFF. Error_code: MY-015671> rpl error summary: no errors in workers, receivers, or coordinators connection slave; safe_process[7095]: Child process: 7096, exit: 1 How to repeat: See above, I used debug build