diff --git a/sql/ha_innodb.cc b/sql/ha_innodb.cc index 1c0f8a6e9b3..83e2d025f18 100644 --- a/sql/ha_innodb.cc +++ b/sql/ha_innodb.cc @@ -2158,6 +2158,14 @@ ha_innobase::open( UT_NOT_USED(test_if_locked); thd = current_thd; + + /* Under some cases MySQL seems to call this function while + holding btr_search_latch. This breaks the latching order as + we acquire dict_sys->mutex below and leads to a deadlock. */ + if (thd != NULL) { + innobase_release_temporary_latches(thd); + } + normalize_table_name(norm_name, name); user_thd = NULL;