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Some time ago I've noticed that my GitHub workflows that are using MariaDB where randomly failing. It seems to have started with version 11, at least I'm not able to reproduce it with earlier versions.
The basic gist is in the title, using a subquery with ranking and joins, MariaDB "randomly" segfaults. I wasn't able to reproduce it without either ranking or joins, and the columns of the involved tables seem to affect it too, if I remove any more of them, then it won't crash anymore.
Note that I say "randomly" because it can happen anywhere from immediately, to requiring 200+ attempts. I understand that these aren't the best prerequisites for recreating the problem, but it is somewhat reliable in that it will eventually crash when you just run the queries often enough.
Basic logs
2023-07-28 14:55:27+00:00 [Note] [Entrypoint]: Entrypoint script for MariaDB Server 1:11.2.0+maria~ubu2204 started.
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2023-07-28 14:55:27+00:00 [Note] [Entrypoint]: Switching to dedicated user 'mysql'
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2023-07-28 14:55:27+00:00 [Note] [Entrypoint]: Entrypoint script for MariaDB Server 1:11.2.0+maria~ubu2204 started.
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2023-07-28 14:55:27+00:00 [Note] [Entrypoint]: Initializing database files
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2023-07-28 14:55:27 0 [Warning] mariadbd: io_uring_queue_init() failed with ENOMEM: try larger memory locked limit, ulimit -l, or https://mariadb.com/kb/en/systemd/#configuring-limitmemlock under systemd (262144 bytes required)
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2023-07-28 14:55:27 0 [Warning] InnoDB: liburing disabled: falling back to innodb_use_native_aio=OFF
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PLEASE REMEMBER TO SET A PASSWORD FOR THE MariaDB root USER !
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To do so, start the server, then issue the following command:
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'/usr/bin/mariadb-secure-installation'
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which will also give you the option of removing the test
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databases and anonymous user created by default. This is
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strongly recommended for production servers.
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See the MariaDB Knowledgebase at https://mariadb.com/kb
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Please report any problems at https://mariadb.org/jira
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The latest information about MariaDB is available at https://mariadb.org/.
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Consider joining MariaDB's strong and vibrant community:
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https://mariadb.org/get-involved/
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2023-07-28 14:55:28+00:00 [Note] [Entrypoint]: Database files initialized
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2023-07-28 14:55:28+00:00 [Note] [Entrypoint]: Starting temporary server
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2023-07-28 14:55:28+00:00 [Note] [Entrypoint]: Waiting for server startup
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2023-07-28 14:55:28 0 [Note] Starting MariaDB 11.2.0-MariaDB-1:11.2.0+maria~ubu2204 source revision e81fa345020ec6a067583db6a7019d6404b26f93 as process 99
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2023-07-28 14:55:28 0 [Note] InnoDB: Compressed tables use zlib 1.2.11
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2023-07-28 14:55:28 0 [Note] InnoDB: Number of transaction pools: 1
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2023-07-28 14:55:28 0 [Note] InnoDB: Using crc32 + pclmulqdq instructions
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2023-07-28 14:55:28 0 [Note] mariadbd: O_TMPFILE is not supported on /tmp (disabling future attempts)
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2023-07-28 14:55:28 0 [Warning] mariadbd: io_uring_queue_init() failed with ENOMEM: try larger memory locked limit, ulimit -l, or https://mariadb.com/kb/en/systemd/#configuring-limitmemlock under systemd (262144 bytes required)
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2023-07-28 14:55:28 0 [Warning] InnoDB: liburing disabled: falling back to innodb_use_native_aio=OFF
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2023-07-28 14:55:28 0 [Note] InnoDB: Initializing buffer pool, total size = 128.000MiB, chunk size = 2.000MiB
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2023-07-28 14:55:28 0 [Note] InnoDB: Completed initialization of buffer pool
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2023-07-28 14:55:28 0 [Note] InnoDB: File system buffers for log disabled (block size=512 bytes)
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2023-07-28 14:55:28 0 [Note] InnoDB: End of log at LSN=46125
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2023-07-28 14:55:28 0 [Note] InnoDB: Opened 3 undo tablespaces
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2023-07-28 14:55:28 0 [Note] InnoDB: 128 rollback segments in 3 undo tablespaces are active.
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2023-07-28 14:55:28 0 [Note] InnoDB: Setting file './ibtmp1' size to 12.000MiB. Physically writing the file full; Please wait ...
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2023-07-28 14:55:28 0 [Note] InnoDB: File './ibtmp1' size is now 12.000MiB.
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2023-07-28 14:55:28 0 [Note] InnoDB: log sequence number 46125; transaction id 14
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2023-07-28 14:55:28 0 [Note] Plugin 'FEEDBACK' is disabled.
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2023-07-28 14:55:28 0 [Note] Plugin 'wsrep-provider' is disabled.
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2023-07-28 14:55:28 0 [Warning] 'user' entry 'root@1ea12db333c8' ignored in --skip-name-resolve mode.
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2023-07-28 14:55:28 0 [Warning] 'proxies_priv' entry '@% root@1ea12db333c8' ignored in --skip-name-resolve mode.
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2023-07-28 14:55:28 0 [Note] mariadbd: Event Scheduler: Loaded 0 events
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2023-07-28 14:55:28 0 [Note] mariadbd: ready for connections.
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Version: '11.2.0-MariaDB-1:11.2.0+maria~ubu2204' socket: '/run/mysqld/mysqld.sock' port: 0 mariadb.org binary distribution
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2023-07-28 14:55:29+00:00 [Note] [Entrypoint]: Temporary server started.
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2023-07-28 14:55:30+00:00 [Note] [Entrypoint]: Creating database test
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2023-07-28 14:55:30+00:00 [Note] [Entrypoint]: Securing system users (equivalent to running mysql_secure_installation)
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2023-07-28 14:55:30+00:00 [Note] [Entrypoint]: Stopping temporary server
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2023-07-28 14:55:30 0 [Note] mariadbd (initiated by: unknown): Normal shutdown
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2023-07-28 14:55:30 0 [Note] InnoDB: FTS optimize thread exiting.
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2023-07-28 14:55:30 0 [Note] InnoDB: Starting shutdown...
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2023-07-28 14:55:30 0 [Note] InnoDB: Dumping buffer pool(s) to /var/lib/mysql/ib_buffer_pool
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2023-07-28 14:55:30 0 [Note] InnoDB: Buffer pool(s) dump completed at 230728 14:55:30
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2023-07-28 14:55:31 0 [Note] InnoDB: Removed temporary tablespace data file: "./ibtmp1"
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2023-07-28 14:55:31 0 [Note] InnoDB: Shutdown completed; log sequence number 47375; transaction id 15
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2023-07-28 14:55:31 0 [Note] mariadbd: Shutdown complete
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2023-07-28 14:55:31+00:00 [Note] [Entrypoint]: Temporary server stopped
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2023-07-28 14:55:31+00:00 [Note] [Entrypoint]: MariaDB init process done. Ready for start up.
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2023-07-28 14:55:31 0 [Note] Starting MariaDB 11.2.0-MariaDB-1:11.2.0+maria~ubu2204 source revision e81fa345020ec6a067583db6a7019d6404b26f93 as process 1
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2023-07-28 14:55:31 0 [Note] InnoDB: Compressed tables use zlib 1.2.11
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2023-07-28 14:55:31 0 [Note] InnoDB: Number of transaction pools: 1
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2023-07-28 14:55:31 0 [Note] InnoDB: Using crc32 + pclmulqdq instructions
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2023-07-28 14:55:31 0 [Note] mariadbd: O_TMPFILE is not supported on /tmp (disabling future attempts)
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2023-07-28 14:55:31 0 [Warning] mariadbd: io_uring_queue_init() failed with ENOMEM: try larger memory locked limit, ulimit -l, or https://mariadb.com/kb/en/systemd/#configuring-limitmemlock under systemd (262144 bytes required)
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2023-07-28 14:55:31 0 [Warning] InnoDB: liburing disabled: falling back to innodb_use_native_aio=OFF
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2023-07-28 14:55:31 0 [Note] InnoDB: Initializing buffer pool, total size = 128.000MiB, chunk size = 2.000MiB
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2023-07-28 14:55:31 0 [Note] InnoDB: Completed initialization of buffer pool
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2023-07-28 14:55:31 0 [Note] InnoDB: File system buffers for log disabled (block size=512 bytes)
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2023-07-28 14:55:31 0 [Note] InnoDB: End of log at LSN=47375
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2023-07-28 14:55:31 0 [Note] InnoDB: Opened 3 undo tablespaces
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2023-07-28 14:55:31 0 [Note] InnoDB: 128 rollback segments in 3 undo tablespaces are active.
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2023-07-28 14:55:31 0 [Note] InnoDB: Setting file './ibtmp1' size to 12.000MiB. Physically writing the file full; Please wait ...
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2023-07-28 14:55:31 0 [Note] InnoDB: File './ibtmp1' size is now 12.000MiB.
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2023-07-28 14:55:31 0 [Note] InnoDB: log sequence number 47375; transaction id 14
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2023-07-28 14:55:31 0 [Note] InnoDB: Loading buffer pool(s) from /var/lib/mysql/ib_buffer_pool
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2023-07-28 14:55:31 0 [Note] Plugin 'FEEDBACK' is disabled.
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2023-07-28 14:55:31 0 [Note] Plugin 'wsrep-provider' is disabled.
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2023-07-28 14:55:31 0 [Note] InnoDB: Buffer pool(s) load completed at 230728 14:55:31
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2023-07-28 14:55:31 0 [Note] Server socket created on IP: '0.0.0.0'.
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2023-07-28 14:55:31 0 [Note] Server socket created on IP: '::'.
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2023-07-28 14:55:31 0 [Note] mariadbd: Event Scheduler: Loaded 0 events
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2023-07-28 14:55:31 0 [Note] mariadbd: ready for connections.
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Version: '11.2.0-MariaDB-1:11.2.0+maria~ubu2204' socket: '/run/mysqld/mysqld.sock' port: 3306 mariadb.org binary distribution
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230728 14:55:41 [ERROR] mysqld got signal 11 ;
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This could be because you hit a bug. It is also possible that this binary
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or one of the libraries it was linked against is corrupt, improperly built,
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or misconfigured. This error can also be caused by malfunctioning hardware.
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To report this bug, see https://mariadb.com/kb/en/reporting-bugs
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We will try our best to scrape up some info that will hopefully help
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diagnose the problem, but since we have already crashed,
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something is definitely wrong and this may fail.
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Server version: 11.2.0-MariaDB-1:11.2.0+maria~ubu2204 source revision: e81fa345020ec6a067583db6a7019d6404b26f93
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key_buffer_size=134217728
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read_buffer_size=131072
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max_used_connections=1
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max_threads=153
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thread_count=1
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It is possible that mysqld could use up to
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key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 468063 K bytes of memory
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Hope that's ok; if not, decrease some variables in the equation.
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Thread pointer: 0x7f4948000c68
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Attempting backtrace. You can use the following information to find out
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where mysqld died. If you see no messages after this, something went
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terribly wrong...
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stack_bottom = 0x7f4994119c38 thread_stack 0x49000
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Printing to addr2line failed
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mariadbd(my_print_stacktrace+0x32)[0x56389d4a5bd2]
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mariadbd(handle_fatal_signal+0x488)[0x56389cf7ee98]
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/lib/x86_64-linux-gnu/libc.so.6(+0x42520)[0x7f49abd45520]
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mariadbd(_Z11copy_fieldsP15TMP_TABLE_PARAM+0x2b)[0x56389cd6b60b]
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mariadbd(+0x8a6b62)[0x56389cd6bb62]
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mariadbd(+0x87ade7)[0x56389cd3fde7]
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mariadbd(_Z10sub_selectP4JOINP13st_join_tableb+0x24b)[0x56389cd5025b]
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mariadbd(+0x87ade7)[0x56389cd3fde7]
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mariadbd(_Z10sub_selectP4JOINP13st_join_tableb+0x24b)[0x56389cd5025b]
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mariadbd(+0x87ade7)[0x56389cd3fde7]
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mariadbd(_Z10sub_selectP4JOINP13st_join_tableb+0x2c4)[0x56389cd502d4]
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mariadbd(_ZN4JOIN10exec_innerEv+0xfd4)[0x56389cd843d4]
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mariadbd(_ZN4JOIN4execEv+0x3f)[0x56389cd8480f]
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mariadbd(_Z12mysql_selectP3THDP10TABLE_LISTR4ListI4ItemEPS4_jP8st_orderS9_S7_S9_yP13select_resultP18st_select_lex_unitP13st_select_lex+0x12c)[0x56389cd8278c]
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mariadbd(_Z13handle_selectP3THDP3LEXP13select_resulty+0x154)[0x56389cd82f84]
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mariadbd(+0x8318f5)[0x56389ccf68f5]
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mariadbd(_Z21mysql_execute_commandP3THDb+0x41ae)[0x56389cd0584e]
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mariadbd(_Z11mysql_parseP3THDPcjP12Parser_state+0x1e7)[0x56389cd06b77]
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mariadbd(_Z16dispatch_command19enum_server_commandP3THDPcjb+0x14bd)[0x56389cd0935d]
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mariadbd(_Z10do_commandP3THDb+0x138)[0x56389cd0b158]
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mariadbd(_Z24do_handle_one_connectionP7CONNECTb+0x3bf)[0x56389ce328cf]
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mariadbd(handle_one_connection+0x5d)[0x56389ce32c1d]
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mariadbd(+0xce5fa6)[0x56389d1aafa6]
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/lib/x86_64-linux-gnu/libc.so.6(+0x94b43)[0x7f49abd97b43]
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/lib/x86_64-linux-gnu/libc.so.6(clone+0x44)[0x7f49abe28bb4]
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Trying to get some variables.
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Some pointers may be invalid and cause the dump to abort.
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Query (0x7f4948012fb0): SELECT
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TopComments.id AS TopComments__id,
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TopComments.article_id AS TopComments__article_id,
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TopComments.body AS TopComments__body,
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TopComments.votes AS TopComments__votes,
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TopComments_body_translation.id AS TopComments_body_translation__id,
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TopComments_body_translation.content AS TopComments_body_translation__content
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FROM
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comments TopComments
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INNER JOIN
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comments_i18n TopComments_body_translation ON (
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TopComments_body_translation.model = 'Comments'
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AND TopComments_body_translation.field = 'body'
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AND TopComments_body_translation.locale = 'de_DE'
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AND TopComments.id = TopComments_body_translation.foreign_key
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)
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WHERE (
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TopComments.article_id in (1, 2)
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AND TopComments.id in (
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SELECT
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__ranked__TopComments.id AS id
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FROM (
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SELECT
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TopComments.id AS TopComments__id,
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TopComments.article_id AS TopComments__article_id,
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TopComments.body AS TopComments__body,
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TopComments.votes AS TopComments__votes,
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TopComments.id AS id,
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(
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ROW_NUMBER() OVER (
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PARTITION BY
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TopComments.article_id
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ORDER BY
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TopComments.votes DESC,
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TopComments.id ASC
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)
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) AS __row_number,
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TopComments_body_translation.id AS TopComments_body_translation__id,
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TopComments_body_translation.content AS TopComments_body_translation__content
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FROM
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comments TopComments
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INNER JOIN
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comments_i18n TopComments_body_translation ON (
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TopComments_body_translation.model = 'Comments'
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AND TopComments_body_translation.field = 'body'
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AND TopComments_body_translation.locale = 'de_DE'
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AND TopComments.id = TopComments_body_translation.foreign_key
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)
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WHERE
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TopComments.article_id in (1, 2)
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)
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__ranked__TopComments
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WHERE
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__ranked__TopComments.__row_number <= 3
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)
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)
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ORDER BY
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TopComments.votes DESC,
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TopComments.id ASC
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Connection ID (thread ID): 11
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Status: NOT_KILLED
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Optimizer switch: index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin
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=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on,table_elimination=on,extended_keys=on,exis
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ts_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on,condition_pushdown_from_having=on,not_null_range_scan=off,hash_join_cardinality=on
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The manual page at https://mariadb.com/kb/en/how-to-produce-a-full-stack-trace-for-mysqld/ contains
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information that should help you find out what is causing the crash.
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Writing a core file...
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Working directory at /var/lib/mysql
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Resource Limits:
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Limit Soft Limit Hard Limit Units
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Max cpu time unlimited unlimited seconds
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Max file size unlimited unlimited bytes
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Max data size unlimited unlimited bytes
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Max stack size 8388608 unlimited bytes
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Max core file size unlimited unlimited bytes
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Max resident set unlimited unlimited bytes
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Max processes unlimited unlimited processes
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Max open files 1048576 1048576 files
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Max locked memory 65536 65536 bytes
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Max address space unlimited unlimited bytes
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Max file locks unlimited unlimited locks
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Max pending signals 15371 15371 signals
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Max msgqueue size 819200 819200 bytes
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Max nice priority 0 0
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Max realtime priority 0 0
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Max realtime timeout unlimited unlimited us
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Core pattern: |/usr/share/apport/apport -p%p -s%s -c%c -d%d -P%P -u%u -g%g -- %E
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Kernel version: Linux version 5.4.0-124-generic (buildd@lcy02-amd64-089) (gcc version 9.4.0 (Ubuntu 9.4.0-1ubuntu1~20.04.1)) #140-Ubuntu SMP Thu Aug 4 02:23:37 UTC 2022
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Full backtrace (all threads)
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Thread 18 (Thread 0x7f9387fff640 (LWP 174) "mariadbd"):
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#0 __futex_abstimed_wait_common64 (private=-1781142552, cancel=true, abstime=0x7f9387ffebf0, op=137, expected=0, futex_word=0x55c895a9cddc) at ./nptl/futex-internal.c:57
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sc_cancel_oldtype = 0
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sc_ret = <optimized out>
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resultvar = <optimized out>
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__arg6 = <optimized out>
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__arg5 = <optimized out>
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__arg4 = <optimized out>
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__arg3 = <optimized out>
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__arg2 = <optimized out>
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__arg1 = <optimized out>
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_a6 = <optimized out>
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_a5 = <optimized out>
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_a4 = <optimized out>
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_a3 = <optimized out>
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_a2 = <optimized out>
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_a1 = <optimized out>
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#1 __futex_abstimed_wait_common (cancel=true, private=-1781142552, abstime=0x7f9387ffebf0, clockid=0, expected=0, futex_word=0x55c895a9cddc) at ./nptl/futex-internal.c:87
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err = <optimized out>
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clockbit = 256
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op = 137
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err = <optimized out>
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clockbit = <optimized out>
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op = <optimized out>
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#2 __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x55c895a9cddc, expected=expected@entry=0, clockid=clockid@entry=1, abstime=abstime@entry=0x7f9387ffebf0, private=private@entry=0) at ./nptl/futex-internal.c:139
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No locals.
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#3 0x00007f93be0c835d in __pthread_cond_wait_common (abstime=0x7f9387ffebf0, clockid=1, mutex=0x55c895a9ca20, cond=0x55c895a9cdb0) at ./nptl/pthread_cond_wait.c:503
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spin = 0
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buffer = {__routine = 0x7f93be0c77a0 <__condvar_cleanup_waiting>, __arg = 0x7f9387ffeb70, __canceltype = 1, __prev = 0x0}
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cbuffer = {wseq = 125, cond = 0x55c895a9cdb0, mutex = 0x55c895a9ca20, private = 0}
|
err = <optimized out>
|
g = 1
|
flags = <optimized out>
|
g1_start = <optimized out>
|
maxspin = 0
|
signals = <optimized out>
|
result = 0
|
wseq = 125
|
seq = 62
|
private = 0
|
maxspin = <optimized out>
|
err = <optimized out>
|
result = <optimized out>
|
wseq = <optimized out>
|
g = <optimized out>
|
seq = <optimized out>
|
flags = <optimized out>
|
private = <optimized out>
|
signals = <optimized out>
|
done = <optimized out>
|
g1_start = <optimized out>
|
spin = <optimized out>
|
buffer = <optimized out>
|
cbuffer = <optimized out>
|
s = <optimized out>
|
#4 ___pthread_cond_clockwait64 (abstime=0x7f9387ffebf0, clockid=1, mutex=0x55c895a9ca20, cond=0x55c895a9cdb0) at ./nptl/pthread_cond_wait.c:691
|
No locals.
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#5 ___pthread_cond_clockwait64 (cond=0x55c895a9cdb0, mutex=0x55c895a9ca20, clockid=1, abstime=0x7f9387ffebf0) at ./nptl/pthread_cond_wait.c:679
|
No locals.
|
#6 0x000055c893b8232f in std::__condvar::wait_until (__abs_time=@0x7f9387ffebf0: {tv_sec = 11933, tv_nsec = 460221651}, __clock=1, __m=<optimized out>, this=0x55c895a9cdb0) at /usr/include/c++/11/bits/std_mutex.h:123
|
No locals.
|
#7 std::condition_variable::__wait_until_impl<std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (__lock=@0x7f9387ffec40: {_M_device = 0x55c895a9ca20, _M_owns = true}, __lock=@0x7f9387ffec40: {_M_device = 0x55c895a9ca20, _M_owns = true}, __atime=<optimized out>, this=0x55c895a9cdb0) at /usr/include/c++/11/condition_variable:201
|
__s = <optimized out>
|
__ns = <optimized out>
|
__ts = {tv_sec = 11933, tv_nsec = 460221651}
|
#8 std::condition_variable::wait_until<std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (__atime=<optimized out>, __lock=@0x7f9387ffec40: {_M_device = 0x55c895a9ca20, _M_owns = true}, this=0x55c895a9cdb0) at /usr/include/c++/11/condition_variable:111
|
No locals.
|
#9 std::condition_variable::wait_for<long, std::ratio<1l, 1000l> > (__rtime=@0x55c895a9ca48: {__r = 60000}, __rtime=@0x55c895a9ca48: {__r = 60000}, __lock=@0x7f9387ffec40: {_M_device = 0x55c895a9ca20, _M_owns = true}, this=0x55c895a9cdb0) at /usr/include/c++/11/condition_variable:163
|
No locals.
|
#10 tpool::thread_pool_generic::wait_for_tasks (this=this@entry=0x55c895a9c900, lk=@0x7f9387ffec40: {_M_device = 0x55c895a9ca20, _M_owns = true}, thread_data=thread_data@entry=0x55c895a9cdb0) at ./tpool/tpool_generic.cc:480
|
__PRETTY_FUNCTION__ = "bool tpool::thread_pool_generic::wait_for_tasks(std::unique_lock<std::mutex>&, tpool::worker_data*)"
|
#11 0x000055c893b82b68 in tpool::thread_pool_generic::get_task (this=0x55c895a9c900, thread_var=0x55c895a9cdb0, t=0x7f9387ffec88) at ./tpool/tpool_generic.cc:533
|
lk = {_M_device = 0x55c895a9ca20, _M_owns = true}
|
#12 0x000055c893b82cd5 in tpool::thread_pool_generic::worker_main (this=0x55c895a9c900, thread_var=0x55c895a9cdb0) at ./tpool/tpool_generic.cc:578
|
task = 0x7f93be0c54d8 <__nptl_free_stacks+168>
|
#13 0x00007f93be41f2b3 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6
|
No symbol table info available.
|
#14 0x00007f93be0c8b43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
|
ret = <optimized out>
|
pd = <optimized out>
|
out = <optimized out>
|
unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140271585044528, 1783092640928857216, 140271618618944, 0, 140272525412432, 140271585044880, -1758129329567597440, -1758183593111225216}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
|
not_first_call = <optimized out>
|
#15 0x00007f93be159bb4 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:100
|
No locals.
|
|
Thread 17 (Thread 0x7f93953f4640 (LWP 173) "mariadbd"):
|
#0 __futex_abstimed_wait_common64 (private=-1825326035, cancel=true, abstime=0x7f93953f3bf0, op=137, expected=0, futex_word=0x55c895a9ccd8) at ./nptl/futex-internal.c:57
|
sc_cancel_oldtype = 0
|
sc_ret = <optimized out>
|
resultvar = <optimized out>
|
__arg6 = <optimized out>
|
__arg5 = <optimized out>
|
__arg4 = <optimized out>
|
__arg3 = <optimized out>
|
__arg2 = <optimized out>
|
__arg1 = <optimized out>
|
_a6 = <optimized out>
|
_a5 = <optimized out>
|
_a4 = <optimized out>
|
_a3 = <optimized out>
|
_a2 = <optimized out>
|
_a1 = <optimized out>
|
#1 __futex_abstimed_wait_common (cancel=true, private=-1825326035, abstime=0x7f93953f3bf0, clockid=0, expected=0, futex_word=0x55c895a9ccd8) at ./nptl/futex-internal.c:87
|
err = <optimized out>
|
clockbit = 256
|
op = 137
|
err = <optimized out>
|
clockbit = <optimized out>
|
op = <optimized out>
|
#2 __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x55c895a9ccd8, expected=expected@entry=0, clockid=clockid@entry=1, abstime=abstime@entry=0x7f93953f3bf0, private=private@entry=0) at ./nptl/futex-internal.c:139
|
No locals.
|
#3 0x00007f93be0c835d in __pthread_cond_wait_common (abstime=0x7f93953f3bf0, clockid=1, mutex=0x55c895a9ca20, cond=0x55c895a9ccb0) at ./nptl/pthread_cond_wait.c:503
|
spin = 0
|
buffer = {__routine = 0x7f93be0c77a0 <__condvar_cleanup_waiting>, __arg = 0x7f93953f3b70, __canceltype = 1, __prev = 0x0}
|
cbuffer = {wseq = 474, cond = 0x55c895a9ccb0, mutex = 0x55c895a9ca20, private = 0}
|
err = <optimized out>
|
g = 0
|
flags = <optimized out>
|
g1_start = <optimized out>
|
maxspin = 0
|
signals = <optimized out>
|
result = 0
|
wseq = 474
|
seq = 237
|
private = 0
|
maxspin = <optimized out>
|
err = <optimized out>
|
result = <optimized out>
|
wseq = <optimized out>
|
g = <optimized out>
|
seq = <optimized out>
|
flags = <optimized out>
|
private = <optimized out>
|
signals = <optimized out>
|
done = <optimized out>
|
g1_start = <optimized out>
|
spin = <optimized out>
|
buffer = <optimized out>
|
cbuffer = <optimized out>
|
s = <optimized out>
|
#4 ___pthread_cond_clockwait64 (abstime=0x7f93953f3bf0, clockid=1, mutex=0x55c895a9ca20, cond=0x55c895a9ccb0) at ./nptl/pthread_cond_wait.c:691
|
No locals.
|
#5 ___pthread_cond_clockwait64 (cond=0x55c895a9ccb0, mutex=0x55c895a9ca20, clockid=1, abstime=0x7f93953f3bf0) at ./nptl/pthread_cond_wait.c:679
|
No locals.
|
#6 0x000055c893b8232f in std::__condvar::wait_until (__abs_time=@0x7f93953f3bf0: {tv_sec = 11935, tv_nsec = 915261764}, __clock=1, __m=<optimized out>, this=0x55c895a9ccb0) at /usr/include/c++/11/bits/std_mutex.h:123
|
No locals.
|
#7 std::condition_variable::__wait_until_impl<std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (__lock=@0x7f93953f3c40: {_M_device = 0x55c895a9ca20, _M_owns = true}, __lock=@0x7f93953f3c40: {_M_device = 0x55c895a9ca20, _M_owns = true}, __atime=<optimized out>, this=0x55c895a9ccb0) at /usr/include/c++/11/condition_variable:201
|
__s = <optimized out>
|
__ns = <optimized out>
|
__ts = {tv_sec = 11935, tv_nsec = 915261764}
|
#8 std::condition_variable::wait_until<std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (__atime=<optimized out>, __lock=@0x7f93953f3c40: {_M_device = 0x55c895a9ca20, _M_owns = true}, this=0x55c895a9ccb0) at /usr/include/c++/11/condition_variable:111
|
No locals.
|
#9 std::condition_variable::wait_for<long, std::ratio<1l, 1000l> > (__rtime=@0x55c895a9ca48: {__r = 60000}, __rtime=@0x55c895a9ca48: {__r = 60000}, __lock=@0x7f93953f3c40: {_M_device = 0x55c895a9ca20, _M_owns = true}, this=0x55c895a9ccb0) at /usr/include/c++/11/condition_variable:163
|
No locals.
|
#10 tpool::thread_pool_generic::wait_for_tasks (this=this@entry=0x55c895a9c900, lk=@0x7f93953f3c40: {_M_device = 0x55c895a9ca20, _M_owns = true}, thread_data=thread_data@entry=0x55c895a9ccb0) at ./tpool/tpool_generic.cc:480
|
__PRETTY_FUNCTION__ = "bool tpool::thread_pool_generic::wait_for_tasks(std::unique_lock<std::mutex>&, tpool::worker_data*)"
|
#11 0x000055c893b82b68 in tpool::thread_pool_generic::get_task (this=0x55c895a9c900, thread_var=0x55c895a9ccb0, t=0x7f93953f3c88) at ./tpool/tpool_generic.cc:533
|
lk = {_M_device = 0x55c895a9ca20, _M_owns = true}
|
#12 0x000055c893b82cd5 in tpool::thread_pool_generic::worker_main (this=0x55c895a9c900, thread_var=0x55c895a9ccb0) at ./tpool/tpool_generic.cc:578
|
task = 0x55c895d42300
|
#13 0x00007f93be41f2b3 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6
|
No symbol table info available.
|
#14 0x00007f93be0c8b43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
|
ret = <optimized out>
|
pd = <optimized out>
|
out = <optimized out>
|
unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140271585044704, 1783092640928857216, 140271840872000, 0, 140272525412432, 140271585045056, -1758097990801851264, -1758183593111225216}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
|
not_first_call = <optimized out>
|
#15 0x00007f93be159bb4 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:100
|
No locals.
|
|
Thread 16 (Thread 0x7f93bc118640 (LWP 166) "mariadbd"):
|
#0 0x000055c8934b460b in copy_fields (param=0x7f93881151c0) at ./sql/sql_select.cc:28407
|
ptr = 0x20000
|
end = 0x1000000
|
it = <optimized out>
|
item = <optimized out>
|
#1 0x000055c8934b4b62 in end_write (join=0x7f93880e47c8, join_tab=0x7f9388107e08, end_of_records=<optimized out>) at ./sql/sql_select.cc:24972
|
table = 0x7f938810a5e0
|
#2 0x000055c893488de7 in evaluate_join_record (join=0x7f93880e47c8, join_tab=0x7f9388107990, error=<optimized out>) at ./sql/sql_select.cc:23671
|
rc = <optimized out>
|
found = <optimized out>
|
return_tab = <optimized out>
|
shortcut_for_distinct = false
|
found_records = 1
|
select_cond = <optimized out>
|
select_cond_result = <optimized out>
|
#3 0x000055c89349925b in sub_select (join=0x7f93880e47c8, join_tab=0x7f9388107990, end_of_records=false) at ./sql/sql_select.cc:23438
|
error = <optimized out>
|
rc = <optimized out>
|
skip_over = <optimized out>
|
info = <optimized out>
|
#4 0x000055c893488de7 in evaluate_join_record (join=0x7f93880e47c8, join_tab=0x7f9388107518, error=<optimized out>) at ./sql/sql_select.cc:23671
|
rc = <optimized out>
|
found = <optimized out>
|
return_tab = <optimized out>
|
shortcut_for_distinct = false
|
found_records = 1
|
select_cond = <optimized out>
|
select_cond_result = <optimized out>
|
#5 0x000055c89349925b in sub_select (join=0x7f93880e47c8, join_tab=0x7f9388107518, end_of_records=false) at ./sql/sql_select.cc:23438
|
error = <optimized out>
|
rc = <optimized out>
|
skip_over = <optimized out>
|
info = <optimized out>
|
#6 0x000055c893488de7 in evaluate_join_record (join=0x7f93880e47c8, join_tab=0x7f93881070a0, error=<optimized out>) at ./sql/sql_select.cc:23671
|
rc = <optimized out>
|
found = <optimized out>
|
return_tab = <optimized out>
|
shortcut_for_distinct = false
|
found_records = 1
|
select_cond = <optimized out>
|
select_cond_result = <optimized out>
|
#7 0x000055c8934992d4 in sub_select (join=0x7f93880e47c8, join_tab=0x7f93881070a0, end_of_records=false) at ./sql/sql_select.cc:23475
|
error = <optimized out>
|
rc = <optimized out>
|
skip_over = <optimized out>
|
info = 0x7f9388107170
|
#8 0x000055c8934cd3d4 in do_select (procedure=<optimized out>, join=0x7f93880e47c8) at ./sql/sql_select.cc:22955
|
join_tab = <optimized out>
|
rc = 0
|
error = NESTED_LOOP_OK
|
top_level_tables = <optimized out>
|
rc = <optimized out>
|
error = <optimized out>
|
top_level_tables = <optimized out>
|
res = <optimized out>
|
last_tab = <optimized out>
|
state = <optimized out>
|
end_select = <optimized out>
|
cleared_tables = <optimized out>
|
columns_list = <optimized out>
|
join_tab = <optimized out>
|
sort_tab = <optimized out>
|
join_tab = <optimized out>
|
const_tables = <optimized out>
|
#9 JOIN::exec_inner (this=0x7f93880e47c8) at ./sql/sql_select.cc:4935
|
columns_list = <optimized out>
|
trace_wrapper = {<Json_writer_struct> = {_vptr.Json_writer_struct = <optimized out>, my_writer = 0x0, context = {writer = <optimized out>}, closed = false}, <No data fields>}
|
trace_exec = {<Json_writer_struct> = {_vptr.Json_writer_struct = <optimized out>, my_writer = <optimized out>, context = {writer = <optimized out>}, closed = false}, <No data fields>}
|
trace_steps = {<Json_writer_struct> = {_vptr.Json_writer_struct = 0x55c8943b9bf8 <vtable for Json_writer_array+16>, my_writer = 0x0, context = {writer = 0x0}, closed = false}, <No data fields>}
|
#10 0x000055c8934cd80f in JOIN::exec (this=this@entry=0x7f93880e47c8) at ./sql/sql_select.cc:4712
|
res = <optimized out>
|
#11 0x000055c8934cb78c in mysql_select (thd=0x7f9388001128, tables=0x7f93880151b8, fields=<optimized out>, conds=0x7f93880e3988, og_num=2, order=0x7f93880e3c08, group=0x0, having=0x0, proc_param=0x0, select_options=<optimized out>, result=0x7f93880e3f10, unit=0x7f9388005478, select_lex=0x7f9388014268) at ./sql/sql_select.cc:5243
|
err = 0
|
free_join = true
|
exec_error = false
|
join = 0x7f93880e47c8
|
#12 0x000055c8934cbf84 in handle_select (thd=thd@entry=0x7f9388001128, lex=lex@entry=0x7f9388005398, result=result@entry=0x7f93880e3f10, setup_tables_done_option=setup_tables_done_option@entry=0) at ./sql/sql_select.cc:628
|
unit = 0x7f9388005478
|
res = <optimized out>
|
select_lex = 0x7f9388014268
|
#13 0x000055c89343f8f5 in execute_sqlcom_select (thd=0x7f9388001128, all_tables=0x7f93880151b8) at ./sql/sql_parse.cc:6056
|
save_protocol = 0x0
|
lex = 0x7f9388005398
|
result = 0x7f93880e3f10
|
res = false
|
#14 0x000055c89344e84e in mysql_execute_command (thd=0x7f9388001128, is_called_from_prepared_stmt=<optimized out>) at ./sql/sql_parse.cc:3944
|
privileges_requested = <optimized out>
|
wsrep_error_label = <optimized out>
|
error = <optimized out>
|
res = 0
|
lex = 0x7f9388005398
|
select_lex = <optimized out>
|
first_table = 0x7f93880151b8
|
all_tables = 0x7f93880151b8
|
unit = 0x7f9388005478
|
rpl_filter = <optimized out>
|
ots = {ctx = 0x7f9388005038, traceable = false}
|
orig_binlog_format = BINLOG_FORMAT_MIXED
|
orig_current_stmt_binlog_format = BINLOG_FORMAT_STMT
|
#15 0x000055c89344fb77 in mysql_parse (thd=0x7f9388001128, rawbuf=<optimized out>, length=<optimized out>, parser_state=<optimized out>) at ./sql/sql_parse.cc:7800
|
found_semicolon = <optimized out>
|
error = <optimized out>
|
lex = 0x7f9388005398
|
err = <optimized out>
|
#16 0x000055c89345235d in dispatch_command (command=COM_QUERY, thd=0x7f9388001128, packet=<optimized out>, packet_length=<optimized out>, blocking=<optimized out>) at ./sql/sql_parse.cc:1989
|
beginning_of_next_stmt = <optimized out>
|
length = <optimized out>
|
packet_end = 0x7f93880138fd ""
|
parser_state = {m_lip = {lookahead_token = -1, lookahead_yylval = 0x0, m_thd = 0x7f9388001128, m_ptr = 0x7f93880138fe "\004", m_tok_start = 0x7f93880138fe "\004", m_tok_end = 0x7f93880138fe "\004", m_end_of_query = 0x7f93880138fd "", m_tok_start_prev = 0x7f93880138fd "", m_buf = 0x7f9388012ff0 "SELECT\n TopComments.id AS TopComments__id,\n TopComments.article_id AS TopComments__article_id,\n TopComments.body AS TopComments__body,\n TopComments.votes AS TopComments__votes,\n TopComm"..., m_buf_length = 2317, m_echo = true, m_echo_saved = false, m_cpp_buf = 0x7f9388013958 "SELECT\n TopComments.id AS TopComments__id,\n TopComments.article_id AS TopComments__article_id,\n TopComments.body AS TopComments__body,\n TopComments.votes AS TopComments__votes,\n TopComm"..., m_cpp_ptr = 0x7f9388014265 "", m_cpp_tok_start = 0x7f9388014265 "", m_cpp_tok_start_prev = 0x7f9388014265 "", m_cpp_tok_end = 0x7f9388014265 "", m_body_utf8 = 0x0, m_body_utf8_ptr = 0x55c8945fa800 <dbname_cache_init()::buf> "", m_cpp_utf8_processed_ptr = 0x0, next_state = MY_LEX_END, found_semicolon = 0x0, ignore_space = false, stmt_prepare_mode = false, multi_statements = true, yylineno = 59, m_digest = 0x0, in_comment = NO_COMMENT, in_comment_saved = (PRESERVE_COMMENT | DISCARD_COMMENT | unknown: 0x7f90), m_cpp_text_start = 0x7f938801425f "id ASC", m_cpp_text_end = 0x7f9388014261 " ASC", m_underscore_cs = 0x0}, m_yacc = {yacc_yyss = 0x0, yacc_yyvs = 0x0, m_set_signal_info = {m_item = {0x0 <repeats 13 times>}}, m_lock_type = TL_READ_DEFAULT, m_mdl_type = MDL_SHARED_READ}, m_digest_psi = 0x0}
|
net = 0x7f93880013e0
|
error = false
|
do_end_of_statement = true
|
drop_more_results = false
|
__FUNCTION__ = "dispatch_command"
|
res = <optimized out>
|
#17 0x000055c893454158 in do_command (thd=0x7f9388001128, blocking=blocking@entry=true) at ./sql/sql_parse.cc:1405
|
return_value = <optimized out>
|
packet = 0x7f93880087a8 "\002"
|
packet_length = <optimized out>
|
net = 0x7f93880013e0
|
command = COM_QUERY
|
__FUNCTION__ = "do_command"
|
#18 0x000055c89357b8cf in do_handle_one_connection (connect=<optimized out>, put_in_cache=true) at ./sql/sql_connect.cc:1445
|
create_user = true
|
thr_create_utime = <optimized out>
|
thd = 0x7f9388001128
|
#19 0x000055c89357bc1d in handle_one_connection (arg=arg@entry=0x55c895fcf5e8) at ./sql/sql_connect.cc:1347
|
connect = 0x55c895fcf5e8
|
#20 0x000055c8938f3fa6 in pfs_spawn_thread (arg=0x55c895f78738) at ./storage/perfschema/pfs.cc:2201
|
typed_arg = 0x55c895f78738
|
user_arg = 0x55c895fcf5e8
|
user_start_routine = 0x55c89357bbc0 <handle_one_connection(void*)>
|
pfs = <optimized out>
|
klass = <optimized out>
|
#21 0x00007f93be0c8b43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
|
ret = <optimized out>
|
pd = <optimized out>
|
out = <optimized out>
|
unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140723031921296, 1783092640928857216, 140272492185152, 2, 140272525412432, 140723031921648, -1758187890909807488, -1758183593111225216}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
|
not_first_call = <optimized out>
|
#22 0x00007f93be159bb4 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:100
|
No locals.
|
|
Thread 15 (Thread 0x7f93bc163640 (LWP 145) "mariadbd"):
|
#0 0x00007f93be07721a in __GI___sigtimedwait (set=0x7f93bc162b50, info=0x7f93bc162bd0, timeout=0x0) at ../sysdeps/unix/sysv/linux/sigtimedwait.c:61
|
result = <optimized out>
|
#1 0x000055c89333b11b in my_sigwait (code=<synthetic pointer>, sig=0x7f93bc162b48, set=0x7f93bc162b50) at ./include/my_pthread.h:195
|
siginfo = {si_signo = 135168, si_errno = 0, si_code = 135168, __pad0 = 0, _sifields = {_pad = {10, 0, 41, 58, 1, 0, 0, 0, 0, 0, 124, 119, 110, 92, 2904, 0, -1571530800, 32764, -448, -1, 1744830512, 32659, 586290432, 1668133314, -1779233544, 21960, -448, -1}, _kill = {si_pid = 10, si_uid = 0}, _timer = {si_tid = 10, si_overrun = 0, si_sigval = {sival_int = 41, sival_ptr = 0x3a00000029}}, _rt = {si_pid = 10, si_uid = 0, si_sigval = {sival_int = 41, sival_ptr = 0x3a00000029}}, _sigchld = {si_pid = 10, si_uid = 0, si_status = 41, si_utime = 1, si_stime = 0}, _sigfault = {si_addr = 0xa, si_addr_lsb = 41, _bounds = {_addr_bnd = {_lower = 0x1, _upper = 0x0}, _pkey = 1}}, _sigpoll = {si_band = 10, si_fd = 41}, _sigsys = {_call_addr = 0xa, _syscall = 41, _arch = 58}}}
|
siginfo = <optimized out>
|
#2 signal_hand (arg=arg@entry=0x0) at ./sql/mysqld.cc:3277
|
error = <optimized out>
|
origin = <optimized out>
|
set = {__val = {548869, 0 <repeats 11 times>, 176093659136, 640, 0, 140272525466965}}
|
sig = -1
|
#3 0x000055c8938f3fa6 in pfs_spawn_thread (arg=0x55c895f30cf8) at ./storage/perfschema/pfs.cc:2201
|
typed_arg = 0x55c895f30cf8
|
user_arg = 0x0
|
user_start_routine = 0x55c89333afd0 <signal_hand(void*)>
|
pfs = <optimized out>
|
klass = <optimized out>
|
#4 0x00007f93be0c8b43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
|
ret = <optimized out>
|
pd = <optimized out>
|
out = <optimized out>
|
unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140723031922288, 1783092640928857216, 140272492492352, 2, 140272525412432, 140723031922640, -1758187936543835008, -1758183593111225216}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
|
not_first_call = <optimized out>
|
#5 0x00007f93be159bb4 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:100
|
No locals.
|
|
Thread 13 (Thread 0x7f9385ffb640 (LWP 143) "mariadbd"):
|
#0 __futex_abstimed_wait_common64 (private=586290432, cancel=true, abstime=0x7f9385ffabf0, op=137, expected=0, futex_word=0x55c895a9cfd8) at ./nptl/futex-internal.c:57
|
sc_cancel_oldtype = 0
|
sc_ret = <optimized out>
|
resultvar = <optimized out>
|
__arg6 = <optimized out>
|
__arg5 = <optimized out>
|
__arg4 = <optimized out>
|
__arg3 = <optimized out>
|
__arg2 = <optimized out>
|
__arg1 = <optimized out>
|
_a6 = <optimized out>
|
_a5 = <optimized out>
|
_a4 = <optimized out>
|
_a3 = <optimized out>
|
_a2 = <optimized out>
|
_a1 = <optimized out>
|
#1 __futex_abstimed_wait_common (cancel=true, private=586290432, abstime=0x7f9385ffabf0, clockid=0, expected=0, futex_word=0x55c895a9cfd8) at ./nptl/futex-internal.c:87
|
err = <optimized out>
|
clockbit = 256
|
op = 137
|
err = <optimized out>
|
clockbit = <optimized out>
|
op = <optimized out>
|
#2 __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x55c895a9cfd8, expected=expected@entry=0, clockid=clockid@entry=1, abstime=abstime@entry=0x7f9385ffabf0, private=private@entry=0) at ./nptl/futex-internal.c:139
|
No locals.
|
#3 0x00007f93be0c835d in __pthread_cond_wait_common (abstime=0x7f9385ffabf0, clockid=1, mutex=0x55c895a9ca20, cond=0x55c895a9cfb0) at ./nptl/pthread_cond_wait.c:503
|
spin = 0
|
buffer = {__routine = 0x7f93be0c77a0 <__condvar_cleanup_waiting>, __arg = 0x7f9385ffab70, __canceltype = 1, __prev = 0x0}
|
cbuffer = {wseq = 424, cond = 0x55c895a9cfb0, mutex = 0x55c895a9ca20, private = 0}
|
err = <optimized out>
|
g = 0
|
flags = <optimized out>
|
g1_start = <optimized out>
|
maxspin = 0
|
signals = <optimized out>
|
result = 0
|
wseq = 424
|
seq = 212
|
private = 0
|
maxspin = <optimized out>
|
err = <optimized out>
|
result = <optimized out>
|
wseq = <optimized out>
|
g = <optimized out>
|
seq = <optimized out>
|
flags = <optimized out>
|
private = <optimized out>
|
signals = <optimized out>
|
done = <optimized out>
|
g1_start = <optimized out>
|
spin = <optimized out>
|
buffer = <optimized out>
|
cbuffer = <optimized out>
|
s = <optimized out>
|
#4 ___pthread_cond_clockwait64 (abstime=0x7f9385ffabf0, clockid=1, mutex=0x55c895a9ca20, cond=0x55c895a9cfb0) at ./nptl/pthread_cond_wait.c:691
|
No locals.
|
#5 ___pthread_cond_clockwait64 (cond=0x55c895a9cfb0, mutex=0x55c895a9ca20, clockid=1, abstime=0x7f9385ffabf0) at ./nptl/pthread_cond_wait.c:679
|
No locals.
|
#6 0x000055c893b8232f in std::__condvar::wait_until (__abs_time=@0x7f9385ffabf0: {tv_sec = 11935, tv_nsec = 466378050}, __clock=1, __m=<optimized out>, this=0x55c895a9cfb0) at /usr/include/c++/11/bits/std_mutex.h:123
|
No locals.
|
#7 std::condition_variable::__wait_until_impl<std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (__lock=@0x7f9385ffac40: {_M_device = 0x55c895a9ca20, _M_owns = true}, __lock=@0x7f9385ffac40: {_M_device = 0x55c895a9ca20, _M_owns = true}, __atime=<optimized out>, this=0x55c895a9cfb0) at /usr/include/c++/11/condition_variable:201
|
__s = <optimized out>
|
__ns = <optimized out>
|
__ts = {tv_sec = 11935, tv_nsec = 466378050}
|
#8 std::condition_variable::wait_until<std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (__atime=<optimized out>, __lock=@0x7f9385ffac40: {_M_device = 0x55c895a9ca20, _M_owns = true}, this=0x55c895a9cfb0) at /usr/include/c++/11/condition_variable:111
|
No locals.
|
#9 std::condition_variable::wait_for<long, std::ratio<1l, 1000l> > (__rtime=@0x55c895a9ca48: {__r = 60000}, __rtime=@0x55c895a9ca48: {__r = 60000}, __lock=@0x7f9385ffac40: {_M_device = 0x55c895a9ca20, _M_owns = true}, this=0x55c895a9cfb0) at /usr/include/c++/11/condition_variable:163
|
No locals.
|
#10 tpool::thread_pool_generic::wait_for_tasks (this=this@entry=0x55c895a9c900, lk=@0x7f9385ffac40: {_M_device = 0x55c895a9ca20, _M_owns = true}, thread_data=thread_data@entry=0x55c895a9cfb0) at ./tpool/tpool_generic.cc:480
|
__PRETTY_FUNCTION__ = "bool tpool::thread_pool_generic::wait_for_tasks(std::unique_lock<std::mutex>&, tpool::worker_data*)"
|
#11 0x000055c893b82b68 in tpool::thread_pool_generic::get_task (this=0x55c895a9c900, thread_var=0x55c895a9cfb0, t=0x7f9385ffac88) at ./tpool/tpool_generic.cc:533
|
lk = {_M_device = 0x55c895a9ca20, _M_owns = true}
|
#12 0x000055c893b82cd5 in tpool::thread_pool_generic::worker_main (this=0x55c895a9c900, thread_var=0x55c895a9cfb0) at ./tpool/tpool_generic.cc:578
|
task = 0x55c894e85ce0 <purge_worker_task>
|
#13 0x00007f93be41f2b3 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6
|
No symbol table info available.
|
#14 0x00007f93be0c8b43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
|
ret = <optimized out>
|
pd = <optimized out>
|
out = <optimized out>
|
unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140271618615344, 1783092640928857216, 140271585048128, 0, 140272525412432, 140271618615696, -1758133729761592192, -1758183593111225216}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
|
not_first_call = <optimized out>
|
#15 0x00007f93be159bb4 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:100
|
No locals.
|
|
Thread 8 (Thread 0x7f93bc1ae640 (LWP 138) "mariadbd"):
|
#0 __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0x55c8945faf4c <COND_manager+44>) at ./nptl/futex-internal.c:57
|
sc_cancel_oldtype = 0
|
sc_ret = <optimized out>
|
resultvar = <optimized out>
|
__arg6 = <optimized out>
|
__arg5 = <optimized out>
|
__arg4 = <optimized out>
|
__arg3 = <optimized out>
|
__arg2 = <optimized out>
|
__arg1 = <optimized out>
|
_a6 = <optimized out>
|
_a5 = <optimized out>
|
_a4 = <optimized out>
|
_a3 = <optimized out>
|
_a2 = <optimized out>
|
_a1 = <optimized out>
|
#1 __futex_abstimed_wait_common (cancel=true, private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55c8945faf4c <COND_manager+44>) at ./nptl/futex-internal.c:87
|
err = <optimized out>
|
clockbit = 256
|
op = 393
|
err = <optimized out>
|
clockbit = <optimized out>
|
op = <optimized out>
|
#2 __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x55c8945faf4c <COND_manager+44>, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at ./nptl/futex-internal.c:139
|
No locals.
|
#3 0x00007f93be0c7ac1 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55c8945faf60 <LOCK_manager>, cond=0x55c8945faf20 <COND_manager>) at ./nptl/pthread_cond_wait.c:503
|
spin = 0
|
buffer = {__routine = 0x7f93be0c77a0 <__condvar_cleanup_waiting>, __arg = 0x7f93bc1adbd0, __canceltype = -2147455128, __prev = 0x0}
|
cbuffer = {wseq = 3, cond = 0x55c8945faf20 <COND_manager>, mutex = 0x55c8945faf60 <LOCK_manager>, private = 0}
|
err = <optimized out>
|
g = 1
|
flags = <optimized out>
|
g1_start = <optimized out>
|
maxspin = 0
|
signals = <optimized out>
|
result = 0
|
wseq = 3
|
seq = 1
|
private = 0
|
maxspin = <optimized out>
|
err = <optimized out>
|
result = <optimized out>
|
wseq = <optimized out>
|
g = <optimized out>
|
seq = <optimized out>
|
flags = <optimized out>
|
private = <optimized out>
|
signals = <optimized out>
|
done = <optimized out>
|
g1_start = <optimized out>
|
spin = <optimized out>
|
buffer = <optimized out>
|
cbuffer = <optimized out>
|
s = <optimized out>
|
#4 ___pthread_cond_wait (cond=0x55c8945faf20 <COND_manager>, mutex=0x55c8945faf60 <LOCK_manager>) at ./nptl/pthread_cond_wait.c:627
|
No locals.
|
#5 0x000055c89343e630 in inline_mysql_cond_wait (that=0x55c8945faf20 <COND_manager>, mutex=0x55c8945faf60 <LOCK_manager>, src_file=0x55c893cd4857 "./sql/sql_manager.cc", src_line=103) at ./include/mysql/psi/mysql_thread.h:1072
|
No locals.
|
#6 handle_manager (arg=arg@entry=0x0) at ./sql/sql_manager.cc:103
|
cb = <optimized out>
|
error = 0
|
abstime = {tv_sec = 94319991316792, tv_nsec = 0}
|
reset_flush_time = true
|
#7 0x000055c8938f3fa6 in pfs_spawn_thread (arg=0x55c89593e138) at ./storage/perfschema/pfs.cc:2201
|
typed_arg = 0x55c89593e138
|
user_arg = 0x0
|
user_start_routine = 0x55c89343e580 <handle_manager(void*)>
|
pfs = <optimized out>
|
klass = <optimized out>
|
#8 0x00007f93be0c8b43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
|
ret = <optimized out>
|
pd = <optimized out>
|
out = <optimized out>
|
unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140723031913456, 1783092640928857216, 140272492799552, 0, 140272525412432, 140723031913808, -1758187834001490816, -1758183593111225216}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
|
not_first_call = <optimized out>
|
#9 0x00007f93be159bb4 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:100
|
No locals.
|
|
Thread 4 (Thread 0x7f939c9ff640 (LWP 134) "mariadbd"):
|
#0 __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0x55c89454afa8 <buf_pool+17192>) at ./nptl/futex-internal.c:57
|
sc_cancel_oldtype = 0
|
sc_ret = <optimized out>
|
resultvar = <optimized out>
|
__arg6 = <optimized out>
|
__arg5 = <optimized out>
|
__arg4 = <optimized out>
|
__arg3 = <optimized out>
|
__arg2 = <optimized out>
|
__arg1 = <optimized out>
|
_a6 = <optimized out>
|
_a5 = <optimized out>
|
_a4 = <optimized out>
|
_a3 = <optimized out>
|
_a2 = <optimized out>
|
_a1 = <optimized out>
|
#1 __futex_abstimed_wait_common (cancel=true, private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55c89454afa8 <buf_pool+17192>) at ./nptl/futex-internal.c:87
|
err = <optimized out>
|
clockbit = 256
|
op = 393
|
err = <optimized out>
|
clockbit = <optimized out>
|
op = <optimized out>
|
#2 __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x55c89454afa8 <buf_pool+17192>, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at ./nptl/futex-internal.c:139
|
No locals.
|
#3 0x00007f93be0c7ac1 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55c89454af00 <buf_pool+17024>, cond=0x55c89454af80 <buf_pool+17152>) at ./nptl/pthread_cond_wait.c:503
|
spin = 0
|
buffer = {__routine = 0x7f93be0c77a0 <__condvar_cleanup_waiting>, __arg = 0x7f939c9febb0, __canceltype = -1806406528, __prev = 0x0}
|
cbuffer = {wseq = 2, cond = 0x55c89454af80 <buf_pool+17152>, mutex = 0x55c89454af00 <buf_pool+17024>, private = 0}
|
err = <optimized out>
|
g = 0
|
flags = <optimized out>
|
g1_start = <optimized out>
|
maxspin = 0
|
signals = <optimized out>
|
result = 0
|
wseq = 2
|
seq = 1
|
private = 0
|
maxspin = <optimized out>
|
err = <optimized out>
|
result = <optimized out>
|
wseq = <optimized out>
|
g = <optimized out>
|
seq = <optimized out>
|
flags = <optimized out>
|
private = <optimized out>
|
signals = <optimized out>
|
done = <optimized out>
|
g1_start = <optimized out>
|
spin = <optimized out>
|
buffer = <optimized out>
|
cbuffer = <optimized out>
|
s = <optimized out>
|
#4 ___pthread_cond_wait (cond=0x55c89454af80 <buf_pool+17152>, mutex=0x55c89454af00 <buf_pool+17024>) at ./nptl/pthread_cond_wait.c:627
|
No locals.
|
#5 0x000055c893af5069 in buf_flush_page_cleaner () at ./storage/innobase/buf/buf0flu.cc:2355
|
soft_lsn_limit = <optimized out>
|
oldest_lsn = <optimized out>
|
pct_lwm = <optimized out>
|
n_flushed = <optimized out>
|
n = <optimized out>
|
dirty_blocks = <optimized out>
|
dirty_pct = <optimized out>
|
last_pages = 0
|
abstime = {tv_sec = 1690556399, tv_nsec = 513407000}
|
lsn_limit = 0
|
last_activity_count = 0
|
#6 0x00007f93be41f2b3 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6
|
No symbol table info available.
|
#7 0x00007f93be0c8b43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
|
ret = <optimized out>
|
pd = <optimized out>
|
out = <optimized out>
|
unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140723031903824, 1783092640928857216, 140271964649024, 12, 140272525412432, 140723031904176, -1758118609329226624, -1758183593111225216}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
|
not_first_call = <optimized out>
|
#8 0x00007f93be159bb4 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:100
|
No locals.
|
|
Thread 3 (Thread 0x7f93a9759640 (LWP 133) "mariadbd"):
|
#0 __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x7f93a9758c20, op=393, expected=0, futex_word=0x55c894e2ece8 <COND_checkpoint+40>) at ./nptl/futex-internal.c:57
|
sc_cancel_oldtype = 0
|
sc_ret = <optimized out>
|
resultvar = <optimized out>
|
__arg6 = <optimized out>
|
__arg5 = <optimized out>
|
__arg4 = <optimized out>
|
__arg3 = <optimized out>
|
__arg2 = <optimized out>
|
__arg1 = <optimized out>
|
_a6 = <optimized out>
|
_a5 = <optimized out>
|
_a4 = <optimized out>
|
_a3 = <optimized out>
|
_a2 = <optimized out>
|
_a1 = <optimized out>
|
#1 __futex_abstimed_wait_common (cancel=true, private=0, abstime=0x7f93a9758c20, clockid=0, expected=0, futex_word=0x55c894e2ece8 <COND_checkpoint+40>) at ./nptl/futex-internal.c:87
|
err = <optimized out>
|
clockbit = 256
|
op = 393
|
err = <optimized out>
|
clockbit = <optimized out>
|
op = <optimized out>
|
#2 __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x55c894e2ece8 <COND_checkpoint+40>, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x7f93a9758c20, private=private@entry=0) at ./nptl/futex-internal.c:139
|
No locals.
|
#3 0x00007f93be0c7f1b in __pthread_cond_wait_common (abstime=0x7f93a9758c20, clockid=0, mutex=0x55c894e2ed00 <LOCK_checkpoint>, cond=0x55c894e2ecc0 <COND_checkpoint>) at ./nptl/pthread_cond_wait.c:503
|
spin = 0
|
buffer = {__routine = 0x7f93be0c77a0 <__condvar_cleanup_waiting>, __arg = 0x7f93a9758bb0, __canceltype = 0, __prev = 0x0}
|
cbuffer = {wseq = 14, cond = 0x55c894e2ecc0 <COND_checkpoint>, mutex = 0x55c894e2ed00 <LOCK_checkpoint>, private = 0}
|
err = <optimized out>
|
g = 0
|
flags = <optimized out>
|
g1_start = <optimized out>
|
maxspin = 0
|
signals = <optimized out>
|
result = 0
|
wseq = 14
|
seq = 7
|
private = 0
|
maxspin = <optimized out>
|
err = <optimized out>
|
result = <optimized out>
|
wseq = <optimized out>
|
g = <optimized out>
|
seq = <optimized out>
|
flags = <optimized out>
|
private = <optimized out>
|
signals = <optimized out>
|
done = <optimized out>
|
g1_start = <optimized out>
|
spin = <optimized out>
|
buffer = <optimized out>
|
cbuffer = <optimized out>
|
s = <optimized out>
|
#4 ___pthread_cond_timedwait64 (cond=0x55c894e2ecc0 <COND_checkpoint>, mutex=0x55c894e2ed00 <LOCK_checkpoint>, abstime=abstime@entry=0x7f93a9758c20) at ./nptl/pthread_cond_wait.c:652
|
flags = <optimized out>
|
clockid = 0
|
#5 0x000055c893887df2 in inline_mysql_cond_timedwait (src_file=0x55c893e392b0 "./storage/maria/ma_servicethread.c", src_line=115, abstime=0x7f93a9758c20, mutex=<optimized out>, that=<optimized out>) at ./include/mysql/psi/mysql_thread.h:1088
|
No locals.
|
#6 my_service_thread_sleep (control=control@entry=0x55c894531dc0 <checkpoint_control>, sleep_time=sleep_time@entry=30000000000) at ./storage/maria/ma_servicethread.c:115
|
abstime = {tv_sec = 1690556636, tv_nsec = 525930000}
|
res = 0 '\000'
|
#7 0x000055c89388015e in ma_checkpoint_background (arg=0x1e) at ./storage/maria/ma_checkpoint.c:725
|
interval = 30
|
sleeps = 210
|
sleep_time = 30
|
log_horizon_at_last_checkpoint = 4311840914
|
pagecache_flushes_at_last_checkpoint = 0
|
pages_bunch_size = 0
|
filter_param = {up_to_lsn = 4311840870, max_pages = 0}
|
dfile = 0x0
|
kfile = 0x0
|
#8 0x00007f93be0c8b43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
|
ret = <optimized out>
|
pd = <optimized out>
|
out = <optimized out>
|
unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140723031909424, 1783092640928857216, 140272179975744, 0, 140272525412432, 140723031909776, -1758229437739074432, -1758183593111225216}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
|
not_first_call = <optimized out>
|
#9 0x00007f93be159bb4 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:100
|
No locals.
|
|
Thread 2 (Thread 0x7f93bdb80640 (LWP 132) "mariadbd"):
|
#0 __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x7f93bdb7fc90, op=393, expected=0, futex_word=0x55c894ebbd8c <COND_timer+44>) at ./nptl/futex-internal.c:57
|
sc_cancel_oldtype = 0
|
sc_ret = <optimized out>
|
resultvar = <optimized out>
|
__arg6 = <optimized out>
|
__arg5 = <optimized out>
|
__arg4 = <optimized out>
|
__arg3 = <optimized out>
|
__arg2 = <optimized out>
|
__arg1 = <optimized out>
|
_a6 = <optimized out>
|
_a5 = <optimized out>
|
_a4 = <optimized out>
|
_a3 = <optimized out>
|
_a2 = <optimized out>
|
_a1 = <optimized out>
|
#1 __futex_abstimed_wait_common (cancel=true, private=0, abstime=0x7f93bdb7fc90, clockid=0, expected=0, futex_word=0x55c894ebbd8c <COND_timer+44>) at ./nptl/futex-internal.c:87
|
err = <optimized out>
|
clockbit = 256
|
op = 393
|
err = <optimized out>
|
clockbit = <optimized out>
|
op = <optimized out>
|
#2 __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x55c894ebbd8c <COND_timer+44>, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x7f93bdb7fc90, private=private@entry=0) at ./nptl/futex-internal.c:139
|
No locals.
|
#3 0x00007f93be0c7f1b in __pthread_cond_wait_common (abstime=0x7f93bdb7fc90, clockid=0, mutex=0x55c894ebbda0 <LOCK_timer>, cond=0x55c894ebbd60 <COND_timer>) at ./nptl/pthread_cond_wait.c:503
|
spin = 0
|
buffer = {__routine = 0x7f93be0c77a0 <__condvar_cleanup_waiting>, __arg = 0x7f93bdb7fc00, __canceltype = -1784034784, __prev = 0x0}
|
cbuffer = {wseq = 1755, cond = 0x55c894ebbd60 <COND_timer>, mutex = 0x55c894ebbda0 <LOCK_timer>, private = 0}
|
err = <optimized out>
|
g = 1
|
flags = <optimized out>
|
g1_start = <optimized out>
|
maxspin = 0
|
signals = <optimized out>
|
result = 0
|
wseq = 1755
|
seq = 877
|
private = 0
|
maxspin = <optimized out>
|
err = <optimized out>
|
result = <optimized out>
|
wseq = <optimized out>
|
g = <optimized out>
|
seq = <optimized out>
|
flags = <optimized out>
|
private = <optimized out>
|
signals = <optimized out>
|
done = <optimized out>
|
g1_start = <optimized out>
|
spin = <optimized out>
|
buffer = <optimized out>
|
cbuffer = <optimized out>
|
s = <optimized out>
|
#4 ___pthread_cond_timedwait64 (cond=cond@entry=0x55c894ebbd60 <COND_timer>, mutex=mutex@entry=0x55c894ebbda0 <LOCK_timer>, abstime=abstime@entry=0x7f93bdb7fc90) at ./nptl/pthread_cond_wait.c:652
|
flags = <optimized out>
|
clockid = 0
|
#5 0x000055c893bf25a7 in inline_mysql_cond_timedwait (that=0x55c894ebbd60 <COND_timer>, mutex=0x55c894ebbda0 <LOCK_timer>, src_file=0x55c893eb1b70 "./mysys/thr_timer.c", src_line=321, abstime=0x7f93bdb7fc90) at ./include/mysql/psi/mysql_thread.h:1088
|
No locals.
|
#6 timer_handler (arg=<optimized out>) at ./mysys/thr_timer.c:321
|
error = <optimized out>
|
top_time = 0x55c895a9cb20
|
now = <optimized out>
|
abstime = {tv_sec = 1690556624, tv_nsec = 774721000}
|
#7 0x00007f93be0c8b43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
|
ret = <optimized out>
|
pd = <optimized out>
|
out = <optimized out>
|
unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140723031913424, 1783092640928857216, 140272519874112, 22, 140272525412432, 140723031913776, -1758187122110661504, -1758183593111225216}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
|
not_first_call = <optimized out>
|
#8 0x00007f93be159bb4 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:100
|
No locals.
|
|
Thread 1 (Thread 0x7f93bdcfd8c0 (LWP 1) "mariadbd"):
|
#0 0x00007f93be14cd7f in __GI___poll (fds=0x55c895f4fa48, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
|
sc_ret = -516
|
sc_cancel_oldtype = 0
|
sc_ret = <optimized out>
|
#1 0x000055c8933437c2 in poll (__timeout=-1, __nfds=<optimized out>, __fds=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/poll2.h:39
|
No locals.
|
#2 handle_connections_sockets () at ./sql/mysqld.cc:6362
|
sock = {fd = 24, is_unix_domain_socket = <optimized out>, is_extra_port = <optimized out>, address_family = <optimized out>, m_psi = 0x0}
|
error_count = 0
|
cAddr = {ss_family = 1, __ss_padding = "\000\000\374\177\000\000\000\000\000\000\000\000\000\000Ї\371\225\310U\000\000\000\025\362\"±mc\340l_\224\310U\000\000\000\025\362\"±mc\000\000\000\000\000\000\000\000\240\332$\276\223\177\000\000$\nÌ“\310U\000\000O\221\024\276\223\177\000\000\000\000\000\000\000\000\000\000\310l_\224", '\000' <repeats 12 times>, "\353\320\v\276\223\177\000\000\244/\343\223\310U\000", __ss_align = 0}
|
retval = <optimized out>
|
fds = {array = {buffer = 0x55c895f4fa48 "\026", elements = 3, max_element = 16, alloc_increment = 16, size_of_element = 8, m_psi_key = 0, malloc_flags = 0}}
|
#3 0x000055c893344ab5 in mysqld_main (argc=<optimized out>, argv=<optimized out>) at ./sql/mysqld.cc:6064
|
please_close_stdin = true
|
ho_error = <optimized out>
|
new_thread_stack_size = <optimized out>
|
user = <optimized out>
|
#4 0x00007f93be05dd90 in __libc_start_call_main (main=main@entry=0x55c8932f7130 <main(int, char**)>, argc=argc@entry=1, argv=argv@entry=0x7ffca2545fa8) at ../sysdeps/nptl/libc_start_call_main.h:58
|
self = <optimized out>
|
result = <optimized out>
|
unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 1783092640928988288, 140723031924648, 94319951180080, 94319968675608, 140272537841728, -1781290304114164608, -1758183667871155072}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x55c8932f7130 <main(int, char**)>, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = -1825607376}}}
|
not_first_call = <optimized out>
|
#5 0x00007f93be05de40 in __libc_start_main_impl (main=0x55c8932f7130 <main(int, char**)>, argc=1, argv=0x7ffca2545fa8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffca2545f98) at ../csu/libc-start.c:392
|
No locals.
|
#6 0x000055c893338585 in _start ()
|
No symbol table info available.
|
Warning: 'set logging off', an alias for the command 'set logging enabled', is deprecated.
|
Use 'set logging enabled off'.
|
How to reproduce
Image
Spin up a >= 11.0 docker image (the host OS seems to be irrelevant, I've been able to reproduce it on Ubuntu 20.04 and 22.04 as well as on Windows 10):
docker run --name=mariadb -e MARIADB_ROOT_PASSWORD=root -e MARIADB_DATABASE=test -p 3306:3306 quay.io/mariadb-foundation/mariadb-debug:11.2
|
Run SQL
Save the following SQL in a file (crash-test.sql in this example, also attached for convenience) and import/run it (don't mind the odd duplication in the query, it's from the context of an ORM, where transparently adding group wise limits via ranking is most safely done by duplicating the original query):
docker exec -i mariadb mariadb -uroot -proot test < crash-test.sql
|
DROP TABLE IF EXISTS `comments`;
|
CREATE TABLE `comments` (
|
`id` INTEGER,
|
`id2` INTEGER,
|
`article_id` INTEGER,
|
`article_id2` INTEGER,
|
`author_id` INTEGER,
|
`votes` INTEGER,
|
`body` TEXT,
|
`published` BOOLEAN,
|
PRIMARY KEY (`id`),
|
KEY `comments_article_id` (`article_id`, `article_id2`),
|
KEY `comments_top_comments_sort` (`votes`, `id`)
|
);
|
|
DROP TABLE IF EXISTS `comments_i18n`;
|
CREATE TABLE `comments_i18n` (
|
`id` INTEGER AUTO_INCREMENT,
|
`locale` VARCHAR(255),
|
`model` VARCHAR(255),
|
`foreign_key` INTEGER,
|
`field` VARCHAR(255),
|
`content` TEXT,
|
PRIMARY KEY (`id`),
|
UNIQUE KEY `comments_I18N_LOCALE_FIELD` (`locale`, `model`, `foreign_key`, `field`),
|
KEY `comments_I18N_FIELD` (`model`, `foreign_key`, `field`)
|
);
|
|
INSERT INTO `comments` (`id`, `id2`, `article_id`, `article_id2`, `author_id`, `votes`, `body`, `published`) VALUES
|
(1, 2, 1, 2, 1, 1, 'Lorem ipsum dolor sit amet', 1),
|
(2, 3, 1, 2, 1, 2, 'Lorem ipsum dolor sit amet', 1),
|
(3, 4, 1, 2, 2, 3, 'Lorem ipsum dolor sit amet', 1),
|
(4, 5, 1, 2, 2, 4, 'Lorem ipsum dolor sit amet', 0),
|
(5, 6, 2, 3, 1, 10, 'Lorem ipsum dolor sit amet', 1),
|
(6, 7, 2, 3, 1, 9, 'Lorem ipsum dolor sit amet', 1),
|
(7, 8, 2, 3, 2, 8, 'Lorem ipsum dolor sit amet', 1),
|
(8, 9, 2, 3, 2, 7, 'Lorem ipsum dolor sit amet', 0);
|
|
INSERT INTO `comments_i18n` (`locale`, `model`, `foreign_key`, `field`, `content`) VALUES
|
('de_DE', 'Comments', 1, 'body', 'Franz jagt im komplett verwahrlosten Taxi quer durch Bayern'),
|
('de_DE', 'Comments', 2, 'body', 'Der schnelle braune Fuchs springt über den faulen Hund'),
|
('de_DE', 'Comments', 5, 'body', 'Fix Schwyz! quäkt Jürgen blöd vom Paß'),
|
('de_DE', 'Comments', 6, 'body', 'Quod erat demonstrandum.');
|
|
SELECT
|
TopComments.id AS TopComments__id,
|
TopComments.article_id AS TopComments__article_id,
|
TopComments.body AS TopComments__body,
|
TopComments.votes AS TopComments__votes,
|
TopComments_body_translation.id AS TopComments_body_translation__id,
|
TopComments_body_translation.content AS TopComments_body_translation__content
|
FROM
|
comments TopComments
|
INNER JOIN
|
comments_i18n TopComments_body_translation ON (
|
TopComments_body_translation.model = 'Comments'
|
AND TopComments_body_translation.field = 'body'
|
AND TopComments_body_translation.locale = 'de_DE'
|
AND TopComments.id = TopComments_body_translation.foreign_key
|
)
|
WHERE (
|
TopComments.article_id in (1, 2)
|
AND TopComments.id in (
|
SELECT
|
__ranked__TopComments.id AS id
|
FROM (
|
SELECT
|
TopComments.id AS TopComments__id,
|
TopComments.article_id AS TopComments__article_id,
|
TopComments.body AS TopComments__body,
|
TopComments.votes AS TopComments__votes,
|
TopComments.id AS id,
|
(
|
ROW_NUMBER() OVER (
|
PARTITION BY
|
TopComments.article_id
|
ORDER BY
|
TopComments.votes DESC,
|
TopComments.id ASC
|
)
|
) AS __row_number,
|
TopComments_body_translation.id AS TopComments_body_translation__id,
|
TopComments_body_translation.content AS TopComments_body_translation__content
|
FROM
|
comments TopComments
|
INNER JOIN
|
comments_i18n TopComments_body_translation ON (
|
TopComments_body_translation.model = 'Comments'
|
AND TopComments_body_translation.field = 'body'
|
AND TopComments_body_translation.locale = 'de_DE'
|
AND TopComments.id = TopComments_body_translation.foreign_key
|
)
|
WHERE
|
TopComments.article_id in (1, 2)
|
)
|
__ranked__TopComments
|
WHERE
|
__ranked__TopComments.__row_number <= 3
|
)
|
)
|
ORDER BY
|
TopComments.votes DESC,
|
TopComments.id ASC;
|
|
DROP TABLE `comments`;
|
DROP TABLE `comments_i18n`;
|
Repeat
Repeat the import step over and over again until the server eventually crashes. You might be able to reproduce by running only the last select query that triggers the crash, personally however I wasn't, I have to run the whole thing with table creation, so that might be related too. And as mentioned initially, it might happen immediately, it might take many many retries, but eventually it should happen. Run it in a loop if neccesary.
for (( i = 1; i <= 1000; i ++ ))
|
do
|
echo "attempt $i"
|
docker exec -i mariadb mariadb -uroot -proot test < crash-test.sql
|
if [ $? -ne 0 ]; then break; fi
|
sleep 0.2
|
done
|
|
bad_trace
crash-test.sql