SET @@SESSION.wsrep_causal_reads=ON;

SET SESSION wsrep_on=1;

START TRANSACTION READ WRITE;

2020-05-04  3:10:25 0 [Note] /test/MD300420-mariadb-10.5.3-linux-x86_64-opt/bin/mysqld: ready for connections.

Version: '10.5.3-MariaDB'  socket: '/test/MD300420-mariadb-10.5.3-linux-x86_64-opt/socket.sock'  port: 10419  MariaDB Server

terminate called after throwing an instance of 'wsrep::runtime_error'

  what():  provider not loaded

200504  3:10:54 [ERROR] mysqld got signal 6 ;

Core was generated by `/test/MD300420-mariadb-10.5.3-linux-x86_64-opt/bin/mysqld --no-defaults --core-'.

Program terminated with signal SIGABRT, Aborted.

#0  __pthread_kill (threadid=<optimized out>, signo=signo@entry=6)

    at ../sysdeps/unix/sysv/linux/pthread_kill.c:57

[Current thread is 1 (Thread 0x7fcccb22d700 (LWP 3156879))]

(gdb) bt

#0  __pthread_kill (threadid=<optimized out>, signo=signo@entry=6) at ../sysdeps/unix/sysv/linux/pthread_kill.c:57

#1  0x000055888b4ec707 in my_write_core (sig=sig@entry=6) at /test/10.5_opt/mysys/stacktrace.c:518

#2  0x000055888aeae92a in handle_fatal_signal (sig=6) at /test/10.5_opt/sql/signal_handler.cc:329

#3  <signal handler called>

#4  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51

#5  0x00007fccc9971801 in __GI_abort () at abort.c:79

#6  0x00007fccca14c957 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6

#7  0x00007fccca152ae6 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6

#8  0x00007fccca152b21 in std::terminate() () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6

#9  0x00007fccca152d54 in __cxa_throw () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6

#10 0x000055888b61db2a in wsrep::server_state::provider (this=<optimized out>) at /test/10.5_opt/wsrep-lib/include/wsrep/server_state.hpp:310

#11 wsrep::server_state::causal_read (this=<optimized out>, timeout=timeout@entry=-1) at /test/10.5_opt/wsrep-lib/src/server_state.cpp:838

#12 0x000055888b614a0a in wsrep::client_state::sync_wait (this=this@entry=0x7fcc91c18120, timeout=timeout@entry=-1) at /test/10.5_opt/wsrep-lib/src/client_state.cpp:716

#13 0x000055888b18f93d in wsrep_sync_wait (thd=thd@entry=0x7fcc91c12018, mask=mask@entry=1) at /test/10.5_opt/sql/wsrep_mysqld.cc:1150

#14 0x000055888adb6605 in trans_begin (thd=thd@entry=0x7fcc91c12018, flags=4) at /test/10.5_opt/sql/transaction.cc:187

#15 0x000055888acba165 in mysql_execute_command (thd=thd@entry=0x7fcc91c12018) at /test/10.5_opt/sql/sql_parse.cc:5525

#16 0x000055888acbfecc in mysql_parse (thd=thd@entry=0x7fcc91c12018, rawbuf=<optimized out>, length=28, parser_state=parser_state@entry=0x7fcccb22c4d0, is_com_multi=is_com_multi@entry=false, is_next_command=is_next_command@entry=false) at /test/10.5_opt/sql/sql_parse.cc:7957

#17 0x000055888acb4d00 in dispatch_command (command=command@entry=COM_QUERY, thd=thd@entry=0x7fcc91c12018, packet=packet@entry=0x7fcc91c3a019 "START TRANSACTION READ WRITE", packet_length=packet_length@entry=28, is_com_multi=is_com_multi@entry=false, is_next_command=is_next_command@entry=false) at /test/10.5_opt/sql/sql_parse.cc:1839

#18 0x000055888acb301f in do_command (thd=0x7fcc91c12018) at /test/10.5_opt/sql/sql_parse.cc:1358

#19 0x000055888ada822e in do_handle_one_connection (connect=<optimized out>, connect@entry=0x7fccc8c329b8, put_in_cache=put_in_cache@entry=true) at /test/10.5_opt/sql/sql_connect.cc:1422

#20 0x000055888ada83d4 in handle_one_connection (arg=arg@entry=0x7fccc8c329b8) at /test/10.5_opt/sql/sql_connect.cc:1319

#21 0x000055888b114c9a in pfs_spawn_thread (arg=0x7fccc8c4b018) at /test/10.5_opt/storage/perfschema/pfs.cc:2201

#22 0x00007fccca6546db in start_thread (arg=0x7fcccb22d700) at pthread_create.c:463

#23 0x00007fccc9a5288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

10.3.23>SET @@SESSION.wsrep_causal_reads=ON;

Query OK, 0 rows affected, 1 warning (0.000 sec)

10.3.23>SHOW WARNINGS\G

*************************** 1. row ***************************

  Level: Warning

   Code: 1287

Message: '@@wsrep_causal_reads' is deprecated and will be removed in a future release. Please use '@@wsrep_sync_wait=1' instead

1 row in set (0.000 sec)

10.3.23>SET SESSION wsrep_on=1;

Query OK, 0 rows affected (0.000 sec)

10.3.23>START TRANSACTION READ WRITE;

Query OK, 0 rows affected (0.000 sec)