diff --git a/mysql-test/suite/galera/disabled.def b/mysql-test/suite/galera/disabled.def
index c933a22aab191..f9995ebbec2b9 100644
--- a/mysql-test/suite/galera/disabled.def
+++ b/mysql-test/suite/galera/disabled.def
@@ -17,6 +17,7 @@ MW-328A : MDEV-22666 galera.MW-328A MTR failed: "Semaphore wait has lasted > 600
 MW-328B : MDEV-22666 galera.MW-328A MTR failed: "Semaphore wait has lasted > 600 seconds" and do not release port 16002
 MW-329 : MDEV-19962 Galera test failure on MW-329
 galera_FK_duplicate_client_insert : MDEV-24473: galera.galera_FK_duplicate_client_insert MTR failed: SIGABRT. InnoDB: Conflicting lock on table. Assertion failure in lock0lock.cc
+galera_applier_ftwrl_table_alter : MDEV-26502 : galera.galera_applier_ftwrl_table_alter MTR failed : Result content mismatch
 galera_as_slave_replication_bundle : MDEV-15785 OPTION_GTID_BEGIN is set in Gtid_log_event::do_apply_event()
 galera_bf_abort_at_after_statement : MDEV-21557: galera_bf_abort_at_after_statement MTR failed: query 'reap' succeeded - should have failed with errno 1213
 galera_bf_abort_group_commit : MDEV-18282 Galera test failure on galera.galera_bf_abort_group_commit
@@ -33,9 +34,11 @@ galera_pc_ignore_sb : MDEV-20888 galera.galera_pc_ignore_sb
 galera_pc_recovery : MDEV-25199 cluster fails to start up
 galera_shutdown_nonprim : MDEV-21493 galera.galera_shutdown_nonprim
 galera_ssl_upgrade : MDEV-19950 Galera test failure on galera_ssl_upgrade
+galera_sst_mysqldump : MDEV-26501 : galera.galera_sst_mysqldump MTR failed: galera SST with mysqldump failed
 galera_toi_ddl_nonconflicting : MDEV-21518 galera.galera_toi_ddl_nonconflicting
 galera_toi_truncate : MDEV-22996 Hang on galera_toi_truncate test case
 galera_trigger : MDEV-24048 galera.galera_trigger MTR fails: Result content mismatch
+galera_unicode_identifiers : MDEV-26500 : galera.galera_unicode_identifiers MTR failed: InnoDB: innodb_fatal_semaphore_wait_threshold was exceeded for dict_sys.mutex
 galera_var_dirty_reads : MDEV-25615 Galera test failure on galera_var_dirty_reads
 galera_var_ignore_apply_errors : MDEV-20451: Lock wait timeout exceeded in galera_var_ignore_apply_errors
 galera_var_node_address : MDEV-20485 Galera test failure
@@ -49,4 +52,3 @@ partition : MDEV-19958 Galera test failure on galera.partition
 pxc-421: wsrep_provider is read-only for security reasons
 query_cache: MDEV-15805 Test failure on galera.query_cache
 versioning_trx_id: MDEV-18590: galera.versioning_trx_id: Test failure: mysqltest: Result content mismatch
-
diff --git a/mysql-test/suite/galera_3nodes/disabled.def b/mysql-test/suite/galera_3nodes/disabled.def
index 83723ea5d9787..ae726981b3764 100644
--- a/mysql-test/suite/galera_3nodes/disabled.def
+++ b/mysql-test/suite/galera_3nodes/disabled.def
@@ -20,3 +20,5 @@ galera_safe_to_bootstrap : MDEV-24097 galera_3nodes.galera_safe_to_bootstrap MTR
 galera_slave_options_do : MDEV-8798
 galera_slave_options_ignore : MDEV-8798
 galera_vote_rejoin_mysqldump : MDEV-24481: galera_3nodes.galera_vote_rejoin_mysqldump MTR failed: mysql_shutdown failed
+galera_ipv6_mysqldump : MDEV-26499: galera_3nodes.galera_ipv6_mysqldump MTR failed: mysql_shutdown failed
+galera_wsrep_schema : MDEV-26503 : galera_3nodes.galera_wsrep_schema MTR failed: mysql_shutdown failed
diff --git a/sql/signal_handler.cc b/sql/signal_handler.cc
index 81d52c4bffeb2..b2281b69a4f92 100644
--- a/sql/signal_handler.cc
+++ b/sql/signal_handler.cc
@@ -192,16 +192,18 @@ extern "C" sig_handler handle_fatal_signal(int sig)
 
   if (dflt_key_cache && thread_scheduler)
   {
+    size_t used_mem=
+        (dflt_key_cache->key_cache_mem_size +
+         (global_system_variables.read_buff_size +
+          (size_t) global_system_variables.sortbuff_size) *
+             (thread_scheduler->max_threads + extra_max_connections) +
+         (max_connections + extra_max_connections) * sizeof(THD)) / 1024;
+
     my_safe_printf_stderr("It is possible that mysqld could use up to \n"
                           "key_buffer_size + "
                           "(read_buffer_size + sort_buffer_size)*max_threads = "
-                          "%zu K  bytes of memory\n",
-                          (dflt_key_cache->key_cache_mem_size +
-                           (global_system_variables.read_buff_size +
-                            (size_t)global_system_variables.sortbuff_size) *
-                           (thread_scheduler->max_threads + extra_max_connections) +
-                           (max_connections + extra_max_connections) *
-                           sizeof(THD)) / 1024);
+                          "%zu K  bytes of memory\n", used_mem);
+
     my_safe_printf_stderr("%s",
                           "Hope that's ok; if not, decrease some variables in "
                           "the equation.\n\n");
diff --git a/storage/innobase/buf/buf0dump.cc b/storage/innobase/buf/buf0dump.cc
index ae1af7f6291d9..ef5b65f533bf7 100644
--- a/storage/innobase/buf/buf0dump.cc
+++ b/storage/innobase/buf/buf0dump.cc
@@ -720,6 +720,10 @@ buf_load()
 
 	ut_free(dump);
 
+	if (i == dump_n) {
+		os_aio_wait_until_no_pending_reads();
+	}
+
 	ut_sprintf_timestamp(now);
 
 	if (i == dump_n) {
diff --git a/storage/innobase/os/os0file.cc b/storage/innobase/os/os0file.cc
index 0618d30c2b844..9a7d84ecfd680 100644
--- a/storage/innobase/os/os0file.cc
+++ b/storage/innobase/os/os0file.cc
@@ -3817,7 +3817,15 @@ void os_aio_wait_until_no_pending_writes()
 /** Wait until all pending asynchronous reads have completed. */
 void os_aio_wait_until_no_pending_reads()
 {
+  const auto notify_wait= read_slots->pending_io_count();
+
+  if (notify_wait)
+    tpool::tpool_wait_begin();
+
   read_slots->wait();
+
+  if (notify_wait)
+    tpool::tpool_wait_end();
 }
 
 /** Request a read or write.