Recent changes in semisync initialization via MDEV-13073 introduced instantiation of THD too early from the server components pov which led to segfault. Fixed with relocating the semisync component initialization to later time when thread specific memory can be used. --- sql/mysqld.cc | 16 +++++++++------- 1 file changed, 9 insertions(+), 7 deletions(-) diff --git a/sql/mysqld.cc b/sql/mysqld.cc index edac9d466f7..1edcf5633de 100644 --- a/sql/mysqld.cc +++ b/sql/mysqld.cc @@ -5189,13 +5189,6 @@ static int init_server_components() "this server. However this will be ignored as the " "--log-bin option is not defined."); } - - if (repl_semisync_master.init_object() || - repl_semisync_slave.init_object()) - { - sql_print_error("Could not initialize semisync."); - unireg_abort(1); - } #endif if (opt_bin_log) @@ -5267,6 +5260,15 @@ static int init_server_components() /* It's now safe to use thread specific memory */ mysqld_server_initialized= 1; +#ifdef HAVE_REPLICATION + if (repl_semisync_master.init_object() || + repl_semisync_slave.init_object()) + { + sql_print_error("Could not initialize semisync."); + unireg_abort(1); + } +#endif + #ifndef EMBEDDED_LIBRARY wsrep_thr_init(); #endif -- 2.11.0