Tests main.mysql_client_test main.mysql_client_test_comp fail on Linux without DNS.

...

main.mysql_client_test                   w4 [ fail ]

        Test ended at 2026-08-30 16:54:13

CURRENT_TEST: main.mysql_client_test

mysqltest: At line 29: exec of '/debcraft/source/builddir/tests/mariadb-client-test --defaults-file=/debcraft/source/builddir/mysql-test/var/4/my.cnf --testcase --vardir=/debcraft/source/builddir/mysql-test/var/4 --getopt-ll-test=25600M >> /debcraft/source/builddir/mysql-test/var/4/log/mysql_client_test.out.log 2>&1' failed, error: 256, status: 1, errno: 11

Output from before failure:

call mtr.add_suppression("Aborted connection .* host: 'santa.claus.ipv6.example.com'");

...

***Warnings generated in error logs during shutdown after running tests: main.mysql_client_test

2026-08-30 16:54:13 56 [Warning] IP address '192.0.2.1' could not be resolved: Temporary failure in name resolution

2026-08-30 16:54:13 57 [Warning] IP address '192.0.2.1' could not be resolved: Temporary failure in name resolution

2026-08-30 16:54:13 60 [Warning] IP address '2001:db8:85a3::8a2e:370:7334' could not be resolved: Temporary failure in name resolution

2026-08-30 16:54:13 61 [Warning] IP address '2001:db8:85a3::8a2e:370:7334' could not be resolved: Temporary failure in name resolution

2026-08-30 16:54:13 64 [Warning] IP address '192.0.2.1' could not be resolved: Temporary failure in name resolution

2026-08-30 16:54:13 65 [Warning] IP address '192.0.2.1' could not be resolved: Temporary failure in name resolution

2026-08-30 16:54:13 72 [Warning] IP address '1.2.3.4' could not be resolved: Temporary failure in name resolution

2026-08-30 16:54:13 73 [Warning] IP address '192.0.2.50' could not be resolved: Temporary failure in name resolution

2026-08-30 16:54:13 74 [Warning] IP address '192.0.2.50' could not be resolved: Temporary failure in name resolution

2026-08-30 16:54:13 75 [Warning] IP address '192.0.2.50' could not be resolved: Temporary failure in name resolution

2026-08-30 16:54:13 76 [Warning] IP address '192.0.2.50' could not be resolved: Temporary failure in name resolution

...

main.mysql_client_test_comp              w2 [ fail ]

        Test ended at 2026-08-30 16:56:26

CURRENT_TEST: main.mysql_client_test_comp

mysqltest: At line 16: exec of '/debcraft/source/builddir/tests/mariadb-client-test --defaults-file=/debcraft/source/builddir/mysql-test/var/2/my.cnf --testcase --vardir=/debcraft/source/builddir/mysql-test/var/2 --getopt-ll-test=25600M >> /debcraft/source/builddir/mysql-test/var/2/log/mysql_client_test_comp.out.log 2>&1' failed, error: 256, status: 1, errno: 11

Output from before failure:

call mtr.add_suppression(" IP address .* could not be resolved");

The result from queries just before the failure was:

SET @old_slow_query_log= @@global.slow_query_log;

call mtr.add_suppression(" Error reading file './client_test_db/test_frm_bug.frm'");

call mtr.add_suppression(" IP address .* could not be resolved");

 - skipping '/debcraft/source/builddir/mysql-test/var/2/log/main.mysql_client_test_comp/'

Retrying test main.mysql_client_test_comp, attempt(2/3)...

***Warnings generated in error logs during shutdown after running tests: main.mysql_client_test_comp

2026-08-30 16:55:51 0 [Warning] Plugin 'test_plugin_server' is of maturity level unknown while the server is stable

2026-08-30 16:55:51 0 [Warning] Plugin 'cleartext_plugin_server' is of maturity level unknown while the server is stable

2026-08-30 16:56:26 56 [Warning] IP address '192.0.2.1' could not be resolved: Temporary failure in name resolution

2026-08-30 16:56:26 57 [Warning] IP address '192.0.2.1' could not be resolved: Temporary failure in name resolution

2026-08-30 16:56:26 60 [Warning] IP address '2001:db8:85a3::8a2e:370:7334' could not be resolved: Temporary failure in name resolution

2026-08-30 16:56:26 61 [Warning] IP address '2001:db8:85a3::8a2e:370:7334' could not be resolved: Temporary failure in name resolution

2026-08-30 16:56:26 64 [Warning] IP address '192.0.2.1' could not be resolved: Temporary failure in name resolution

2026-08-30 16:56:26 65 [Warning] IP address '192.0.2.1' could not be resolved: Temporary failure in name resolution

2026-08-30 16:56:26 72 [Warning] IP address '1.2.3.4' could not be resolved: Temporary failure in name resolution

2026-08-30 16:56:26 73 [Warning] IP address '192.0.2.50' could not be resolved: Temporary failure in name resolution

2026-08-30 16:56:26 74 [Warning] IP address '192.0.2.50' could not be resolved: Temporary failure in name resolution

2026-08-30 16:56:26 75 [Warning] IP address '192.0.2.50' could not be resolved: Temporary failure in name resolution

2026-08-30 16:56:26 76 [Warning] IP address '192.0.2.50' could not be resolved: Temporary failure in name resolution

...

Completed: Failed 4/1178 tests, 99.66% were successful.

Failing test(s): main.mysql_client_test main.mysql_client_test_comp

The log files in var/log may give you some hint of what went wrong.

If you want to report this error, MariaDB's bug tracker is found at

https://jira.mariadb.org

Errors/warnings were found in logfiles during server shutdown after running the

following sequence(s) of tests:

    main.mysql_client_test

    main.mysql_client_test

    main.mysql_client_test_comp

    main.mysql_client_test_comp

194 tests were skipped, 79 by the test itself.

mysql-test-run: *** ERROR: there were failing test cases

make[1]: *** [debian/rules:138: override_dh_auto_test] Error 1

make[1]: Leaving directory '/debcraft/source'

make: *** [debian/rules:253: binary] Error 2

dpkg-buildpackage: error: debian/rules binary subprocess failed with exit status 2

gbp:error: 'dpkg-buildpackage --post-clean --no-sign ' failed: it exited with 2

commit fcd3f81e08daea471d371d3be051e6feabb06399

Author: Vladislav Vaintroub <vvaintroub@gmail.com>

Date:   Wed May 27 16:03:43 2026 +0200

    MDEV-37556 Memory leak in proxy protocol with name resolution enabled