galera.tmp_space_usage fails: Failed to start mysqld.2

{

    "builder_name": "ppc64le-ubuntu-2204",

    "commit": "2883bccc7d93ca169df8d621f823aa6be74bd05e",

    "branch": "12.3",

    "dt": "2026-07-29T14:45:06Z",

    "test_name": "galera.tmp_space_usage",

    "test_variant": "",

    "info_text": "",

    "failure_text": "galera.tmp_space_usage                   w8 [ fail ]\n        Test ended at 2026-07-29 12:48:23\n\nCURRENT_TEST: galera.tmp_space_usage\n\n\nFailed to start mysqld.2\nmysqltest failed but provided no output\n\n\n - saving '/home/buildbot/ppc64le-ubuntu-2204/build/mysql-test/var/8/log/galera.tmp_space_usage/' to '/home/buildbot/ppc64le-ubuntu-2204/build/mysql-test/var/log/galera.tmp_space_usage/'\n\nRetrying test galera.tmp_space_usage, attempt(2/3)...\n"

  },

  {

    "builder_name": "ppc64le-ubuntu-2204",

    "commit": "cded2b25e65853a75c2213cfe0832819832708bd",

    "branch": "main",

    "dt": "2026-07-28T07:15:47Z",

    "test_name": "galera.tmp_space_usage",

    "test_variant": "",

    "info_text": "",

    "failure_text": "galera.tmp_space_usage                   w4 [ fail ]\n        Test ended at 2026-07-28 05:19:04\n\nCURRENT_TEST: galera.tmp_space_usage\n\n\nFailed to start mysqld.2\nmysqltest failed but provided no output\n\n\n - saving '/home/buildbot/ppc64le-ubuntu-2204/build/mysql-test/var/4/log/galera.tmp_space_usage/' to '/home/buildbot/ppc64le-ubuntu-2204/build/mysql-test/var/log/galera.tmp_space_usage/'\n\nRetrying test galera.tmp_space_usage, attempt(2/3)...\n"

  }