# ATTENTION: run with --mysqld=--debug-sync-timeout=2

--source include/have_innodb.inc

--source include/have_debug_sync.inc

--connect (con1,localhost,root,,)

CREATE TEMPORARY SEQUENCE f ENGINE=InnoDB;

--disconnect con1

--connection default

--sleep 3

SELECT 'Still alive' AS `Heartbeat`;

mysqld: /data/src/10.3/sql/debug_sync.cc:1540: void debug_sync(THD*, const char*, size_t): Assertion `ds_control' failed.

170607 15:51:15 [ERROR] mysqld got signal 6 ;

#3  <signal handler called>

#4  0x00007fa92c852fcf in raise () from /lib/x86_64-linux-gnu/libc.so.6

#5  0x00007fa92c8543fa in abort () from /lib/x86_64-linux-gnu/libc.so.6

#6  0x00007fa92c84be37 in __assert_fail_base () from /lib/x86_64-linux-gnu/libc.so.6

#7  0x00007fa92c84bee2 in __assert_fail () from /lib/x86_64-linux-gnu/libc.so.6

#8  0x000055f2f4d01b41 in debug_sync (thd=0x7fa8d8000b00, sync_point_name=0x55f2f59ec939 "after_trx_committed_in_memory", name_len=29) at /data/src/10.3/sql/debug_sync.cc:1540

#9  0x000055f2f5491e9e in trx_commit_in_memory (trx=0x7fa92678f8c8, mtr=0x7fa92443ee80, serialised=false) at /data/src/10.3/storage/innobase/trx/trx0trx.cc:1776

#10 0x000055f2f54929af in trx_commit_low (trx=0x7fa92678f8c8, mtr=0x7fa92443ee80) at /data/src/10.3/storage/innobase/trx/trx0trx.cc:2002

#11 0x000055f2f5492a70 in trx_commit (trx=0x7fa92678f8c8) at /data/src/10.3/storage/innobase/trx/trx0trx.cc:2026

#12 0x000055f2f5486703 in trx_rollback_finish (trx=0x7fa92678f8c8) at /data/src/10.3/storage/innobase/trx/trx0roll.cc:1152

#13 0x000055f2f5483ae9 in trx_rollback_to_savepoint_low (trx=0x7fa92678f8c8, savept=0x0) at /data/src/10.3/storage/innobase/trx/trx0roll.cc:126

#14 0x000055f2f5483e28 in trx_rollback_for_mysql_low (trx=0x7fa92678f8c8) at /data/src/10.3/storage/innobase/trx/trx0roll.cc:180

#15 0x000055f2f5484112 in trx_rollback_low (trx=0x7fa92678f8c8) at /data/src/10.3/storage/innobase/trx/trx0roll.cc:212

#16 0x000055f2f5484449 in trx_rollback_for_mysql (trx=0x7fa92678f8c8) at /data/src/10.3/storage/innobase/trx/trx0roll.cc:288

#17 0x000055f2f528ca60 in innobase_rollback_trx (trx=0x7fa92678f8c8) at /data/src/10.3/storage/innobase/handler/ha_innodb.cc:4871

#18 0x000055f2f528d609 in innobase_close_connection (hton=0x55f2f857ba00, thd=0x7fa8d8000b00) at /data/src/10.3/storage/innobase/handler/ha_innodb.cc:5244

#19 0x000055f2f4f80bee in closecon_handlerton (thd=0x7fa8d8000b00, plugin=0x7fa92443fcf8, unused=0x0) at /data/src/10.3/sql/handler.cc:775

#20 0x000055f2f4cec478 in plugin_foreach_with_mask (thd=0x7fa8d8000b00, func=0x55f2f4f80b73 <closecon_handlerton(THD*, plugin_ref, void*)>, type=1, state_mask=4294967287, arg=0x0) at /data/src/10.3/sql/sql_plugin.cc:2381

#21 0x000055f2f4f80c3c in ha_close_connection (thd=0x7fa8d8000b00) at /data/src/10.3/sql/handler.cc:788

#22 0x000055f2f4c7d177 in THD::free_connection (this=0x7fa8d8000b00) at /data/src/10.3/sql/sql_class.cc:1557

#23 0x000055f2f4be77aa in unlink_thd (thd=0x7fa8d8000b00) at /data/src/10.3/sql/mysqld.cc:2898

#24 0x000055f2f4be7c27 in one_thread_per_connection_end (thd=0x7fa8d8000b00, put_in_cache=true) at /data/src/10.3/sql/mysqld.cc:3039

#25 0x000055f2f4e184dd in do_handle_one_connection (connect=0x55f2f8b6fa90) at /data/src/10.3/sql/sql_connect.cc:1373

#26 0x000055f2f4e18181 in handle_one_connection (arg=0x55f2f8b6fa90) at /data/src/10.3/sql/sql_connect.cc:1260

#27 0x000055f2f5274a8d in pfs_spawn_thread (arg=0x55f2f8acf7e0) at /data/src/10.3/storage/perfschema/pfs.cc:1862

#28 0x00007fa92e585494 in start_thread (arg=0x7fa924440700) at pthread_create.c:333

#29 0x00007fa92c90893f in clone () from /lib/x86_64-linux-gnu/libc.so.6