query 'reset master' failed: ER_BINLOG_IN_USE (4243) in Galera tests

builder_name : "amd64-freebsd-14"

commit : "add63991988734383c5e942de2a19c6c45f511f7"

branch : "12.3"

dt : "2026-08-17T22:05:57Z"

builder_name : "amd64-freebsd-14"

commit : "be111d2cd60d035d555b71da019765cfb42ea0d3"

branch : "13.0"

dt : "2026-08-20T18:13:02Z"

builder_name : "amd64-freebsd-14"

commit : "bab03b0fc44e7aeac869b20b0055c6a8f2083eb6"

branch : "main"

dt : "2026-08-21T15:50:00Z"

failure_count : 3

                      galera.MDEV-38260                        w5 [ fail ]

        Test ended at 2026-08-17 22:10:59

CURRENT_TEST: galera.MDEV-38260

mysqltest: At line 98: query 'reset master' failed: ER_BINLOG_IN_USE (4243): Cannot execute RESET MASTER as the binlog is in use by a connected slave or other RESET MASTER or binlog reader. Check SHOW PROCESSLIST for "Binlog Dump" commands and use KILL to stop such readers

The result from queries just before the failure was:

< snip >

connection node_1;

SET global wsrep_slave_threads = DEFAULT;

connection node_3;

DROP SEQUENCE my_seq;

DROP TABLE t1;

connection node_1;

connection node_2;

STOP SLAVE;

RESET SLAVE ALL;

SET GLOBAL gtid_slave_pos = "";

connection node_1;

set global wsrep_on=OFF;

reset master;

set global wsrep_on=ON;

connection node_2;

set global wsrep_on=OFF;

reset master;

set global wsrep_on=ON;

connection node_3;

reset master;

More results from queries before failure can be found in /data/buildbot/workers/prod/amd64-freebsd-14/build/mysql-test/var/5/log/MDEV-38260.log

 - saving '/data/buildbot/workers/prod/amd64-freebsd-14/build/mysql-test/var/5/log/galera.MDEV-38260/' to '/data/buildbot/workers/prod/amd64-freebsd-14/build/mysql-test/var/log/galera.MDEV-38260/'

Retrying test galera.MDEV-38260, attempt(2/3)...