SET @@SESSION.wsrep_causal_reads=ON;
|
SET SESSION wsrep_on=1;
|
START TRANSACTION READ WRITE;
|
Leads to:
10.5.3 98003440c2f8d20164a191ced1b7d92b283bb68f
|
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 ;
|
10.5.3 98003440c2f8d20164a191ced1b7d92b283bb68f
|
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
|
Bug confirmed present in:
MariaDB: 10.4.13 (dbg), 10.4.13 (opt), 10.5.2 (dbg), 10.5.2 (opt), 10.5.3 (dbg), 10.5.3 (opt)
Bug confirmed not present in:
MariaDB: 10.1.45 (dbg), 10.1.45 (opt), 10.2.32 (dbg), 10.2.32 (opt), 10.3.23 (dbg), 10.3.23 (opt)
MySQL: 5.5.62 (dbg), 5.5.62 (opt), 5.6.47 (dbg), 5.6.47 (opt), 5.7.29 (dbg), 5.7.29 (opt), 8.0.19 (dbg), 8.0.19 (opt)
MySQL 10.3.23 (dbg):
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)
|
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More bugs in this area. This testcase (without [pre-]loading plugin):
SET NAMES utf8, collation_connection='utf16le_bin';
SET GLOBAL wsrep_provider='/invalid/libgalera_smm.so';
SET GLOBAL wsrep_cluster_address='OFF';
SET GLOBAL wsrep_slave_threads=10;
Results in no core dump, and the error log (optimized) shows:
10.5.5 30e7a0a866dce530d8328c6d614e48d39a264f9b (Optimized)
2020-07-14 19:39:29 0 [Note] /test/MD140720-mariadb-10.5.5-linux-x86_64-opt/bin/mysqld: ready for connections.
Version: '10.5.5-MariaDB' socket: '/test/MD140720-mariadb-10.5.5-linux-x86_64-opt/socket.sock' port: 12530 MariaDB Server
2020-07-14 19:42:38 4 [Note] WSREP: Stop replication by 4
wsrep loader: [INFO] wsrep_load(): loading provider library '/'
wsrep loader: [ERROR] wsrep_load(): dlopen(): /: cannot read file data: Is a directory
2020-07-14 19:42:38 4 [ERROR] WSREP: Failed to load provider
2020-07-14 19:42:38 4 [Note] WSREP: WSREP (galera) provider is not loaded, can't re(start) replication.
2020-07-14 19:42:38 11 [Note] WSREP: Starting applier thread 11
2020-07-14 19:42:38 14 [Note] WSREP: Starting applier thread 14
2020-07-14 19:42:38 5 [Note] WSREP: Starting applier thread 5
2020-07-14 19:42:38 13 [Note] WSREP: Starting applier thread 13
2020-07-14 19:42:38 10 [Note] WSREP: Starting applier thread 10
2020-07-14 19:42:38 8 [Note] WSREP: Starting applier thread 8
2020-07-14 19:42:38 9 [Note] WSREP: Starting applier thread 9
2020-07-14 19:42:38 6 [Note] WSREP: Starting applier thread 6
2020-07-14 19:42:38 7 [Note] WSREP: Starting applier thread 7
2020-07-14 19:42:38 12 [Note] WSREP: Starting applier thread 12
terminate called after throwing an instance of 'wsrep::runtime_error'
terminate called recursively
200714 19:42:38 [ERROR] mysqld got signal 6 ;
This could be because you hit a bug. It is also possible that this binary
or one of the libraries it was linked against is corrupt, improperly built,
or misconfigured. This error can also be caused by malfunctioning hardware.
To report this bug, see https://mariadb.com/kb/en/reporting-bugs
We will try our best to scrape up some info that will hopefully help
diagnose the problem, but since we have already crashed,
something is definitely wrong and this may fail.
Server version: 10.5.5-MariaDB
key_buffer_size=134217728
read_buffer_size=131072
max_used_connections=1
max_threads=153
thread_count=12
It is possible that mysqld could use up to
key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 467802 K bytes of memory
Hope that's ok; if not, decrease some variables in the equation.
Thread pointer: 0x14b8b3012018
Attempting backtrace. You can use the following information to find out
where mysqld died. If you see no messages after this, something went
terribly wrong...
terminate called recursively
terminate called recursively
terminate called recursively
# END OF LOG
And on debug:
10.5.5 30e7a0a866dce530d8328c6d614e48d39a264f9b (Debug)
2020-07-14 19:39:27 0 [Note] /test/MD140720-mariadb-10.5.5-linux-x86_64-dbg/bin/mysqld: ready for connections.
Version: '10.5.5-MariaDB-debug' socket: '/test/MD140720-mariadb-10.5.5-linux-x86_64-dbg/socket.sock' port: 17206 MariaDB Server
2020-07-14 19:42:36 4 [Note] WSREP: Stop replication by 4
wsrep loader: [INFO] wsrep_load(): loading provider library '/'
wsrep loader: [ERROR] wsrep_load(): dlopen(): /: cannot read file data: Is a directory
2020-07-14 19:42:36 4 [ERROR] WSREP: Failed to load provider
2020-07-14 19:42:36 4 [Note] WSREP: WSREP (galera) provider is not loaded, can't re(start) replication.
2020-07-14 19:42:36 9 [Note] WSREP: Starting applier thread 9
2020-07-14 19:42:36 7 [Note] WSREP: Starting applier thread 7
terminate called after throwing an instance of 'wsrep::runtime_error'
terminate called recursively
2020-07-14 19:42:36 5 [Note] WSREP: Starting applier thread 5
200714 19:42:36 [ERROR] mysqld got signal 6 ;
This could be because you hit a bug. It is also possible that this binary
or one of the libraries it was linked against is corrupt, improperly built,
or misconfigured. This error can also be caused by malfunctioning hardware.
To report this bug, see https://mariadb.com/kb/en/reporting-bugs
We will try our best to scrape up some info that will hopefully help
diagnose the problem, but since we have already crashed,
something is definitely wrong and this may fail.
Server version: 10.5.5-MariaDB-debug
key_buffer_size=134217728
read_buffer_size=131072
max_used_connections=1
max_threads=153
thread_count=12
It is possible that mysqld could use up to
key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 467906 K bytes of memory
Hope that's ok; if not, decrease some variables in the equation.
Thread pointer: 0x154826837088
Attempting backtrace. You can use the following information to find out
where mysqld died. If you see no messages after this, something went
terribly wrong...
terminate called recursively
2020-07-14 19:42:36 6 [Note] WSREP: Starting applier thread 6
# END OF LOG