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[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f183df1870d in poll () at ../sysdeps/unix/syscall-template.S:84

Thread 47 (Thread 0x7f1810476700 (LWP 14127)):
#0  0x00007f183df1a593 in select () at ../sysdeps/unix/syscall-template.S:84
#1  0x000055c00c6f9d0f in my_sleep ()
#2  0x00007f18242acaca in spider_get_share(char const*, TABLE*, THD*, ha_spider*, int*) () from /usr/lib/mysql/plugin/ha_spider.so
#3  0x00007f18242c64b3 in ha_spider::open(char const*, int, unsigned int) () from /usr/lib/mysql/plugin/ha_spider.so
#4  0x000055c00c199913 in handler::ha_open(TABLE*, char const*, int, unsigned int) ()
#5  0x000055c00c6cc995 in ?? ()
#6  0x000055c00c199913 in handler::ha_open(TABLE*, char const*, int, unsigned int) ()
#7  0x000055c00c0a5bcf in open_table_from_share(THD*, TABLE_SHARE*, char const*, unsigned int, unsigned int, unsigned int, TABLE*, bool) ()
#8  0x000055c00bfb1c2c in open_table(THD*, TABLE_LIST*, Open_table_context*) ()
#9  0x000055c00bfb48eb in open_tables(THD*, DDL_options_st const&, TABLE_LIST**, unsigned int*, unsigned int, Prelocking_strategy*) ()
#10 0x000055c00bfb4d53 in open_and_lock_tables(THD*, DDL_options_st const&, TABLE_LIST*, bool, unsigned int, Prelocking_strategy*) ()
#11 0x000055c00c000b75 in mysql_execute_command(THD*) ()
#12 0x000055c00c00109a in mysql_parse(THD*, char*, unsigned int, Parser_state*, bool, bool) ()
#13 0x000055c00c003e63 in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool, bool) ()
#14 0x000055c00c00471c in do_command(THD*) ()
#15 0x000055c00c0cbe3a in do_handle_one_connection(CONNECT*) ()
#16 0x000055c00c0cbfad in handle_one_connection ()
#17 0x00007f183e8796ba in start_thread (arg=0x7f1810476700) at pthread_create.c:333
#18 0x00007f183df243dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 46 (Thread 0x7f18104c0700 (LWP 3508)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x000055c00c0d44ca in MDL_wait::timed_wait(MDL_context_owner*, timespec*, bool, PSI_stage_info_v1 const*) ()
#2  0x000055c00c0a2dbc in TABLE_SHARE::wait_for_old_version(THD*, timespec*, unsigned int) ()
#3  0x000055c00c1415de in tdc_wait_for_old_version(THD*, char const*, char const*, unsigned long, unsigned int, unsigned long) ()
#4  0x000055c00bfb15e0 in open_table(THD*, TABLE_LIST*, Open_table_context*) ()
#5  0x000055c00bfb48eb in open_tables(THD*, DDL_options_st const&, TABLE_LIST**, unsigned int*, unsigned int, Prelocking_strategy*) ()
#6  0x000055c00bfb4d53 in open_and_lock_tables(THD*, DDL_options_st const&, TABLE_LIST*, bool, unsigned int, Prelocking_strategy*) ()
#7  0x000055c00c000b75 in mysql_execute_command(THD*) ()
#8  0x000055c00c00109a in mysql_parse(THD*, char*, unsigned int, Parser_state*, bool, bool) ()
#9  0x000055c00c003e63 in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool, bool) ()
#10 0x000055c00c00471c in do_command(THD*) ()
#11 0x000055c00c0cbe3a in do_handle_one_connection(CONNECT*) ()
#12 0x000055c00c0cbfad in handle_one_connection ()
#13 0x00007f183e8796ba in start_thread (arg=0x7f18104c0700) at pthread_create.c:333
#14 0x00007f183df243dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 45 (Thread 0x7f1824089700 (LWP 2727)):
#0  0x00007f183df1a593 in select () at ../sysdeps/unix/syscall-template.S:84
#1  0x000055c00c6f9d0f in my_sleep ()
#2  0x00007f18242acaca in spider_get_share(char const*, TABLE*, THD*, ha_spider*, int*) () from /usr/lib/mysql/plugin/ha_spider.so
#3  0x00007f18242c64b3 in ha_spider::open(char const*, int, unsigned int) () from /usr/lib/mysql/plugin/ha_spider.so
#4  0x000055c00c199913 in handler::ha_open(TABLE*, char const*, int, unsigned int) ()
#5  0x000055c00c6cc995 in ?? ()
#6  0x000055c00c199913 in handler::ha_open(TABLE*, char const*, int, unsigned int) ()
#7  0x000055c00c0a5bcf in open_table_from_share(THD*, TABLE_SHARE*, char const*, unsigned int, unsigned int, unsigned int, TABLE*, bool) ()
#8  0x000055c00bfb1c2c in open_table(THD*, TABLE_LIST*, Open_table_context*) ()
#9  0x000055c00bfb48eb in open_tables(THD*, DDL_options_st const&, TABLE_LIST**, unsigned int*, unsigned int, Prelocking_strategy*) ()
#10 0x000055c00bfb4d53 in open_and_lock_tables(THD*, DDL_options_st const&, TABLE_LIST*, bool, unsigned int, Prelocking_strategy*) ()
#11 0x000055c00c000b75 in mysql_execute_command(THD*) ()
#12 0x000055c00c00109a in mysql_parse(THD*, char*, unsigned int, Parser_state*, bool, bool) ()
#13 0x000055c00c003e63 in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool, bool) ()
#14 0x000055c00c00471c in do_command(THD*) ()
#15 0x000055c00c0cbe3a in do_handle_one_connection(CONNECT*) ()
#16 0x000055c00c0cbfad in handle_one_connection ()
#17 0x00007f183e8796ba in start_thread (arg=0x7f1824089700) at pthread_create.c:333
#18 0x00007f183df243dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 44 (Thread 0x7f18240d3700 (LWP 2726)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x000055c00c0d44ca in MDL_wait::timed_wait(MDL_context_owner*, timespec*, bool, PSI_stage_info_v1 const*) ()
#2  0x000055c00c0a2dbc in TABLE_SHARE::wait_for_old_version(THD*, timespec*, unsigned int) ()
#3  0x000055c00c1415de in tdc_wait_for_old_version(THD*, char const*, char const*, unsigned long, unsigned int, unsigned long) ()
#4  0x000055c00bfb15e0 in open_table(THD*, TABLE_LIST*, Open_table_context*) ()
#5  0x000055c00bfb48eb in open_tables(THD*, DDL_options_st const&, TABLE_LIST**, unsigned int*, unsigned int, Prelocking_strategy*) ()
#6  0x000055c00bfb4d53 in open_and_lock_tables(THD*, DDL_options_st const&, TABLE_LIST*, bool, unsigned int, Prelocking_strategy*) ()
#7  0x000055c00c000b75 in mysql_execute_command(THD*) ()
#8  0x000055c00c00109a in mysql_parse(THD*, char*, unsigned int, Parser_state*, bool, bool) ()
#9  0x000055c00c003e63 in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool, bool) ()
#10 0x000055c00c00471c in do_command(THD*) ()
#11 0x000055c00c0cbe3a in do_handle_one_connection(CONNECT*) ()
#12 0x000055c00c0cbfad in handle_one_connection ()
#13 0x00007f183e8796ba in start_thread (arg=0x7f18240d3700) at pthread_create.c:333
#14 0x00007f183df243dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 43 (Thread 0x7f182411d700 (LWP 2725)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x000055c00bf65322 in one_thread_per_connection_end(THD*, bool) ()
#2  0x000055c00c0cbdc1 in do_handle_one_connection(CONNECT*) ()
#3  0x000055c00c0cbfad in handle_one_connection ()
#4  0x00007f183e8796ba in start_thread (arg=0x7f182411d700) at pthread_create.c:333
#5  0x00007f183df243dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 42 (Thread 0x7f1824167700 (LWP 2724)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x000055c00bf65322 in one_thread_per_connection_end(THD*, bool) ()
#2  0x000055c00c0cbdc1 in do_handle_one_connection(CONNECT*) ()
#3  0x000055c00c0cbfad in handle_one_connection ()
#4  0x00007f183e8796ba in start_thread (arg=0x7f1824167700) at pthread_create.c:333
#5  0x00007f183df243dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 41 (Thread 0x7f18241b1700 (LWP 2718)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x000055c00c0d44ca in MDL_wait::timed_wait(MDL_context_owner*, timespec*, bool, PSI_stage_info_v1 const*) ()
#2  0x000055c00c0a2dbc in TABLE_SHARE::wait_for_old_version(THD*, timespec*, unsigned int) ()
#3  0x000055c00c1415de in tdc_wait_for_old_version(THD*, char const*, char const*, unsigned long, unsigned int, unsigned long) ()
#4  0x000055c00bfb15e0 in open_table(THD*, TABLE_LIST*, Open_table_context*) ()
#5  0x000055c00bfb48eb in open_tables(THD*, DDL_options_st const&, TABLE_LIST**, unsigned int*, unsigned int, Prelocking_strategy*) ()
#6  0x000055c00bfb4d53 in open_and_lock_tables(THD*, DDL_options_st const&, TABLE_LIST*, bool, unsigned int, Prelocking_strategy*) ()
#7  0x000055c00c000b75 in mysql_execute_command(THD*) ()
#8  0x000055c00c00109a in mysql_parse(THD*, char*, unsigned int, Parser_state*, bool, bool) ()
#9  0x000055c00c003e63 in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool, bool) ()
#10 0x000055c00c00471c in do_command(THD*) ()
#11 0x000055c00c0cbe3a in do_handle_one_connection(CONNECT*) ()
#12 0x000055c00c0cbfad in handle_one_connection ()
#13 0x00007f183e8796ba in start_thread (arg=0x7f18241b1700) at pthread_create.c:333
#14 0x00007f183df243dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 40 (Thread 0x7f18241fb700 (LWP 2717)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x000055c00bf65322 in one_thread_per_connection_end(THD*, bool) ()
#2  0x000055c00c0cbdc1 in do_handle_one_connection(CONNECT*) ()
#3  0x000055c00c0cbfad in handle_one_connection ()
#4  0x00007f183e8796ba in start_thread (arg=0x7f18241fb700) at pthread_create.c:333
#5  0x00007f183df243dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 39 (Thread 0x7f1824245700 (LWP 2716)):
#0  0x00007f183df1a593 in select () at ../sysdeps/unix/syscall-template.S:84
#1  0x000055c00c6f9d0f in my_sleep ()
#2  0x00007f18242acaca in spider_get_share(char const*, TABLE*, THD*, ha_spider*, int*) () from /usr/lib/mysql/plugin/ha_spider.so
#3  0x00007f18242c64b3 in ha_spider::open(char const*, int, unsigned int) () from /usr/lib/mysql/plugin/ha_spider.so
#4  0x000055c00c199913 in handler::ha_open(TABLE*, char const*, int, unsigned int) ()
#5  0x000055c00c6cc995 in ?? ()
#6  0x000055c00c199913 in handler::ha_open(TABLE*, char const*, int, unsigned int) ()
#7  0x000055c00c0a5bcf in open_table_from_share(THD*, TABLE_SHARE*, char const*, unsigned int, unsigned int, unsigned int, TABLE*, bool) ()
#8  0x000055c00bfb1c2c in open_table(THD*, TABLE_LIST*, Open_table_context*) ()
#9  0x000055c00bfb48eb in open_tables(THD*, DDL_options_st const&, TABLE_LIST**, unsigned int*, unsigned int, Prelocking_strategy*) ()
#10 0x000055c00bfb4d53 in open_and_lock_tables(THD*, DDL_options_st const&, TABLE_LIST*, bool, unsigned int, Prelocking_strategy*) ()
#11 0x000055c00c000b75 in mysql_execute_command(THD*) ()
#12 0x000055c00c00109a in mysql_parse(THD*, char*, unsigned int, Parser_state*, bool, bool) ()
#13 0x000055c00c003e63 in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool, bool) ()
#14 0x000055c00c00471c in do_command(THD*) ()
#15 0x000055c00c0cbe3a in do_handle_one_connection(CONNECT*) ()
#16 0x000055c00c0cbfad in handle_one_connection ()
#17 0x00007f183e8796ba in start_thread (arg=0x7f1824245700) at pthread_create.c:333
#18 0x00007f183df243dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 38 (Thread 0x7f182578a700 (LWP 2711)):
#0  0x00007f183df1a593 in select () at ../sysdeps/unix/syscall-template.S:84
#1  0x000055c00c6f9d0f in my_sleep ()
#2  0x00007f18242acaca in spider_get_share(char const*, TABLE*, THD*, ha_spider*, int*) () from /usr/lib/mysql/plugin/ha_spider.so
#3  0x00007f18242c64b3 in ha_spider::open(char const*, int, unsigned int) () from /usr/lib/mysql/plugin/ha_spider.so
#4  0x000055c00c199913 in handler::ha_open(TABLE*, char const*, int, unsigned int) ()
#5  0x000055c00c6cc995 in ?? ()
#6  0x000055c00c199913 in handler::ha_open(TABLE*, char const*, int, unsigned int) ()
#7  0x000055c00c0a5bcf in open_table_from_share(THD*, TABLE_SHARE*, char const*, unsigned int, unsigned int, unsigned int, TABLE*, bool) ()
#8  0x000055c00bfb1c2c in open_table(THD*, TABLE_LIST*, Open_table_context*) ()
#9  0x000055c00bfb48eb in open_tables(THD*, DDL_options_st const&, TABLE_LIST**, unsigned int*, unsigned int, Prelocking_strategy*) ()
#10 0x000055c00bfb4d53 in open_and_lock_tables(THD*, DDL_options_st const&, TABLE_LIST*, bool, unsigned int, Prelocking_strategy*) ()
#11 0x000055c00c000b75 in mysql_execute_command(THD*) ()
#12 0x000055c00c00109a in mysql_parse(THD*, char*, unsigned int, Parser_state*, bool, bool) ()
#13 0x000055c00c003e63 in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool, bool) ()
#14 0x000055c00c00471c in do_command(THD*) ()
#15 0x000055c00c0cbe3a in do_handle_one_connection(CONNECT*) ()
#16 0x000055c00c0cbfad in handle_one_connection ()
#17 0x00007f183e8796ba in start_thread (arg=0x7f182578a700) at pthread_create.c:333
#18 0x00007f183df243dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 37 (Thread 0x7f18257d4700 (LWP 2710)):
#0  0x00007f183df1a593 in select () at ../sysdeps/unix/syscall-template.S:84
#1  0x000055c00c6f9d0f in my_sleep ()
#2  0x00007f18242acaca in spider_get_share(char const*, TABLE*, THD*, ha_spider*, int*) () from /usr/lib/mysql/plugin/ha_spider.so
#3  0x00007f18242c64b3 in ha_spider::open(char const*, int, unsigned int) () from /usr/lib/mysql/plugin/ha_spider.so
#4  0x000055c00c199913 in handler::ha_open(TABLE*, char const*, int, unsigned int) ()
#5  0x000055c00c6cc995 in ?? ()
#6  0x000055c00c199913 in handler::ha_open(TABLE*, char const*, int, unsigned int) ()
#7  0x000055c00c0a5bcf in open_table_from_share(THD*, TABLE_SHARE*, char const*, unsigned int, unsigned int, unsigned int, TABLE*, bool) ()
#8  0x000055c00bfb1c2c in open_table(THD*, TABLE_LIST*, Open_table_context*) ()
#9  0x000055c00bfb48eb in open_tables(THD*, DDL_options_st const&, TABLE_LIST**, unsigned int*, unsigned int, Prelocking_strategy*) ()
#10 0x000055c00bfb4d53 in open_and_lock_tables(THD*, DDL_options_st const&, TABLE_LIST*, bool, unsigned int, Prelocking_strategy*) ()
#11 0x000055c00c000b75 in mysql_execute_command(THD*) ()
#12 0x000055c00c00109a in mysql_parse(THD*, char*, unsigned int, Parser_state*, bool, bool) ()
#13 0x000055c00c003e63 in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool, bool) ()
#14 0x000055c00c00471c in do_command(THD*) ()
#15 0x000055c00c0cbe3a in do_handle_one_connection(CONNECT*) ()
#16 0x000055c00c0cbfad in handle_one_connection ()
#17 0x00007f183e8796ba in start_thread (arg=0x7f18257d4700) at pthread_create.c:333
#18 0x00007f183df243dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 36 (Thread 0x7f182581e700 (LWP 2709)):
#0  0x00007f183df1a593 in select () at ../sysdeps/unix/syscall-template.S:84
#1  0x000055c00c6f9d0f in my_sleep ()
#2  0x00007f18242acaca in spider_get_share(char const*, TABLE*, THD*, ha_spider*, int*) () from /usr/lib/mysql/plugin/ha_spider.so
#3  0x00007f18242c64b3 in ha_spider::open(char const*, int, unsigned int) () from /usr/lib/mysql/plugin/ha_spider.so
#4  0x000055c00c199913 in handler::ha_open(TABLE*, char const*, int, unsigned int) ()
#5  0x000055c00c6cc995 in ?? ()
#6  0x000055c00c199913 in handler::ha_open(TABLE*, char const*, int, unsigned int) ()
#7  0x000055c00c0a5bcf in open_table_from_share(THD*, TABLE_SHARE*, char const*, unsigned int, unsigned int, unsigned int, TABLE*, bool) ()
#8  0x000055c00bfb1c2c in open_table(THD*, TABLE_LIST*, Open_table_context*) ()
#9  0x000055c00bfb48eb in open_tables(THD*, DDL_options_st const&, TABLE_LIST**, unsigned int*, unsigned int, Prelocking_strategy*) ()
#10 0x000055c00bfb4ed9 in open_normal_and_derived_tables(THD*, TABLE_LIST*, unsigned int, unsigned int) ()
#11 0x000055c00c055a01 in ?? ()
#12 0x000055c00c066b58 in get_all_tables(THD*, TABLE_LIST*, Item*) ()
#13 0x000055c00c0680c6 in get_schema_tables_result(JOIN*, enum_schema_table_state) ()
#14 0x000055c00c04f20e in JOIN::exec_inner() ()
#15 0x000055c00c04f8b3 in JOIN::exec() ()
#16 0x000055c00c04f9fb in mysql_select(THD*, TABLE_LIST*, unsigned int, List<Item>&, Item*, unsigned int, st_order*, st_order*, Item*, st_order*, unsigned long long, select_result*, st_select_lex_unit*, st_select_lex*) ()
#17 0x000055c00c0502ff in handle_select(THD*, LEX*, select_result*, unsigned long) ()
#18 0x000055c00bf3bb59 in ?? ()
#19 0x000055c00bffee49 in mysql_execute_command(THD*) ()
#20 0x000055c00c00109a in mysql_parse(THD*, char*, unsigned int, Parser_state*, bool, bool) ()
#21 0x000055c00c003e63 in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool, bool) ()
#22 0x000055c00c00471c in do_command(THD*) ()
#23 0x000055c00c0cbe3a in do_handle_one_connection(CONNECT*) ()
#24 0x000055c00c0cbfad in handle_one_connection ()
#25 0x00007f183e8796ba in start_thread (arg=0x7f182581e700) at pthread_create.c:333
#26 0x00007f183df243dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 35 (Thread 0x7f1825868700 (LWP 2708)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x000055c00c0d44ca in MDL_wait::timed_wait(MDL_context_owner*, timespec*, bool, PSI_stage_info_v1 const*) ()
#2  0x000055c00c0a2dbc in TABLE_SHARE::wait_for_old_version(THD*, timespec*, unsigned int) ()
#3  0x000055c00c1415de in tdc_wait_for_old_version(THD*, char const*, char const*, unsigned long, unsigned int, unsigned long) ()
#4  0x000055c00bfb15e0 in open_table(THD*, TABLE_LIST*, Open_table_context*) ()
#5  0x000055c00bfb48eb in open_tables(THD*, DDL_options_st const&, TABLE_LIST**, unsigned int*, unsigned int, Prelocking_strategy*) ()
#6  0x000055c00bfb4d53 in open_and_lock_tables(THD*, DDL_options_st const&, TABLE_LIST*, bool, unsigned int, Prelocking_strategy*) ()
#7  0x000055c00c000b75 in mysql_execute_command(THD*) ()
#8  0x000055c00c00109a in mysql_parse(THD*, char*, unsigned int, Parser_state*, bool, bool) ()
#9  0x000055c00c003e63 in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool, bool) ()
#10 0x000055c00c00471c in do_command(THD*) ()
#11 0x000055c00c0cbe3a in do_handle_one_connection(CONNECT*) ()
#12 0x000055c00c0cbfad in handle_one_connection ()
#13 0x00007f183e8796ba in start_thread (arg=0x7f1825868700) at pthread_create.c:333
#14 0x00007f183df243dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 34 (Thread 0x7f18258b2700 (LWP 2707)):
#0  0x00007f183df1a593 in select () at ../sysdeps/unix/syscall-template.S:84
#1  0x000055c00c6f9d0f in my_sleep ()
#2  0x00007f18242acaca in spider_get_share(char const*, TABLE*, THD*, ha_spider*, int*) () from /usr/lib/mysql/plugin/ha_spider.so
#3  0x00007f18242c64b3 in ha_spider::open(char const*, int, unsigned int) () from /usr/lib/mysql/plugin/ha_spider.so
#4  0x000055c00c199913 in handler::ha_open(TABLE*, char const*, int, unsigned int) ()
#5  0x000055c00c6cc995 in ?? ()
#6  0x000055c00c199913 in handler::ha_open(TABLE*, char const*, int, unsigned int) ()
#7  0x000055c00c0a5bcf in open_table_from_share(THD*, TABLE_SHARE*, char const*, unsigned int, unsigned int, unsigned int, TABLE*, bool) ()
#8  0x000055c00bfb1c2c in open_table(THD*, TABLE_LIST*, Open_table_context*) ()
#9  0x000055c00bfb48eb in open_tables(THD*, DDL_options_st const&, TABLE_LIST**, unsigned int*, unsigned int, Prelocking_strategy*) ()
#10 0x000055c00bfb4ed9 in open_normal_and_derived_tables(THD*, TABLE_LIST*, unsigned int, unsigned int) ()
#11 0x000055c00c055a01 in ?? ()
#12 0x000055c00c066b58 in get_all_tables(THD*, TABLE_LIST*, Item*) ()
#13 0x000055c00c0680c6 in get_schema_tables_result(JOIN*, enum_schema_table_state) ()
#14 0x000055c00c04f20e in JOIN::exec_inner() ()
#15 0x000055c00c04f8b3 in JOIN::exec() ()
#16 0x000055c00c04f9fb in mysql_select(THD*, TABLE_LIST*, unsigned int, List<Item>&, Item*, unsigned int, st_order*, st_order*, Item*, st_order*, unsigned long long, select_result*, st_select_lex_unit*, st_select_lex*) ()
#17 0x000055c00c0502ff in handle_select(THD*, LEX*, select_result*, unsigned long) ()
#18 0x000055c00bf3bb59 in ?? ()
#19 0x000055c00bffee49 in mysql_execute_command(THD*) ()
#20 0x000055c00c00109a in mysql_parse(THD*, char*, unsigned int, Parser_state*, bool, bool) ()
#21 0x000055c00c003e63 in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool, bool) ()
#22 0x000055c00c00471c in do_command(THD*) ()
#23 0x000055c00c0cbe3a in do_handle_one_connection(CONNECT*) ()
#24 0x000055c00c0cbfad in handle_one_connection ()
#25 0x00007f183e8796ba in start_thread (arg=0x7f18258b2700) at pthread_create.c:333
#26 0x00007f183df243dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 33 (Thread 0x7f18258fc700 (LWP 2706)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x000055c00bf65322 in one_thread_per_connection_end(THD*, bool) ()
#2  0x000055c00c0cbdc1 in do_handle_one_connection(CONNECT*) ()
#3  0x000055c00c0cbfad in handle_one_connection ()
#4  0x00007f183e8796ba in start_thread (arg=0x7f18258fc700) at pthread_create.c:333
#5  0x00007f183df243dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 32 (Thread 0x7f1825946700 (LWP 2654)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x000055c00c0d44ca in MDL_wait::timed_wait(MDL_context_owner*, timespec*, bool, PSI_stage_info_v1 const*) ()
#2  0x000055c00c0a2dbc in TABLE_SHARE::wait_for_old_version(THD*, timespec*, unsigned int) ()
#3  0x000055c00bfb238a in close_cached_tables(THD*, TABLE_LIST*, bool, unsigned long) ()
#4  0x000055c00c0e6e6e in reload_acl_and_cache(THD*, unsigned long long, TABLE_LIST*, int*) ()
#5  0x000055c00bff9449 in mysql_execute_command(THD*) ()
#6  0x000055c00c00109a in mysql_parse(THD*, char*, unsigned int, Parser_state*, bool, bool) ()
#7  0x000055c00c003e63 in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool, bool) ()
#8  0x000055c00c00471c in do_command(THD*) ()
#9  0x000055c00c0cbe3a in do_handle_one_connection(CONNECT*) ()
#10 0x000055c00c0cbfad in handle_one_connection ()
#11 0x00007f183e8796ba in start_thread (arg=0x7f1825946700) at pthread_create.c:333
#12 0x00007f183df243dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 31 (Thread 0x7f183c07a700 (LWP 1779)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x000055c00bf65322 in one_thread_per_connection_end(THD*, bool) ()
#2  0x000055c00c0cbdc1 in do_handle_one_connection(CONNECT*) ()
#3  0x000055c00c0cbfad in handle_one_connection ()
#4  0x00007f183e8796ba in start_thread (arg=0x7f183c07a700) at pthread_create.c:333
#5  0x00007f183df243dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 30 (Thread 0x7f183c0c4700 (LWP 1777)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x000055c00bf81593 in handle_slave_background ()
#2  0x00007f183e8796ba in start_thread (arg=0x7f183c0c4700) at pthread_create.c:333
#3  0x00007f183df243dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 29 (Thread 0x7f183c10e700 (LWP 1776)):
#0  do_sigwait (sig=0x7f183c10dc68, set=<optimized out>) at ../sysdeps/unix/sysv/linux/sigwait.c:64
#1  __sigwait (set=<optimized out>, sig=0x7f183c10dc68) at ../sysdeps/unix/sysv/linux/sigwait.c:96
#2  0x000055c00bf6385b in signal_hand ()
#3  0x00007f183e8796ba in start_thread (arg=0x7f183c10e700) at pthread_create.c:333
#4  0x00007f183df243dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 28 (Thread 0x7f1800ff9700 (LWP 1775)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x000055c00c3d6079 in ?? ()
#2  0x00007f183e8796ba in start_thread (arg=0x7f1800ff9700) at pthread_create.c:333
#3  0x00007f183df243dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 27 (Thread 0x7f18017fa700 (LWP 1774)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x000055c00c45aa96 in ?? ()
#2  0x000055c00c58650c in ?? ()
#3  0x00007f183e8796ba in start_thread (arg=0x7f18017fa700) at pthread_create.c:333
#4  0x00007f183df243dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 26 (Thread 0x7f1801ffb700 (LWP 1773)):
#0  0x00007f183e882c1d in nanosleep () at ../sysdeps/unix/syscall-template.S:84
#1  0x000055c00c45ace0 in ?? ()
#2  0x000055c00c57803a in ?? ()
#3  0x00007f183e8796ba in start_thread (arg=0x7f1801ffb700) at pthread_create.c:333
#4  0x00007f183df243dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 25 (Thread 0x7f18027fc700 (LWP 1772)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x000055c00c45aa96 in ?? ()
#2  0x000055c00c58ebc7 in ?? ()
#3  0x00007f183e8796ba in start_thread (arg=0x7f18027fc700) at pthread_create.c:333
#4  0x00007f183df243dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 24 (Thread 0x7f1802ffd700 (LWP 1771)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x000055c00c45aa96 in ?? ()
#2  0x000055c00c4ef00f in ?? ()
#3  0x00007f183e8796ba in start_thread (arg=0x7f1802ffd700) at pthread_create.c:333
#4  0x00007f183df243dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 23 (Thread 0x7f18037fe700 (LWP 1770)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x000055c00c45aa96 in ?? ()
#2  0x000055c00c4ef00f in ?? ()
#3  0x00007f183e8796ba in start_thread (arg=0x7f18037fe700) at pthread_create.c:333
#4  0x00007f183df243dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 22 (Thread 0x7f17fbfff700 (LWP 1769)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x000055c00c45aa96 in ?? ()
#2  0x000055c00c4ef00f in ?? ()
#3  0x00007f183e8796ba in start_thread (arg=0x7f17fbfff700) at pthread_create.c:333
#4  0x00007f183df243dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 21 (Thread 0x7f1803fff700 (LWP 1768)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x000055c00c45aa96 in ?? ()
#2  0x000055c00c4f0ebd in ?? ()
#3  0x00007f183e8796ba in start_thread (arg=0x7f1803fff700) at pthread_create.c:333
#4  0x00007f183df243dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 20 (Thread 0x7f1810cc1700 (LWP 1767)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x000055c00c45a462 in ?? ()
#2  0x000055c00c45a6d1 in ?? ()
#3  0x000055c00c5445e2 in ?? ()
#4  0x000055c00c631a52 in ?? ()
#5  0x00007f183e8796ba in start_thread (arg=0x7f1810cc1700) at pthread_create.c:333
#6  0x00007f183df243dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 19 (Thread 0x7f18114c2700 (LWP 1766)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x000055c00c45a462 in ?? ()
#2  0x000055c00c45a6d1 in ?? ()
#3  0x000055c00c5e43a0 in ?? ()
#4  0x00007f183e8796ba in start_thread (arg=0x7f18114c2700) at pthread_create.c:333
#5  0x00007f183df243dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 18 (Thread 0x7f18134c6700 (LWP 1765)):
#0  0x00007f183e882c1d in nanosleep () at ../sysdeps/unix/syscall-template.S:84
#1  0x000055c00c45ace0 in ?? ()
#2  0x000055c00c4ee4c0 in ?? ()
#3  0x00007f183e8796ba in start_thread (arg=0x7f18134c6700) at pthread_create.c:333
#4  0x00007f183df243dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 17 (Thread 0x7f1811cc3700 (LWP 1764)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x000055c00c45a462 in ?? ()
#2  0x000055c00c45a6d1 in ?? ()
#3  0x000055c00c4ed8c4 in ?? ()
#4  0x00007f183e8796ba in start_thread (arg=0x7f1811cc3700) at pthread_create.c:333
#5  0x00007f183df243dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 16 (Thread 0x7f18124c4700 (LWP 1763)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x000055c00c45a462 in ?? ()
#2  0x000055c00c45a6d1 in ?? ()
#3  0x000055c00c4ebe23 in ?? ()
#4  0x00007f183e8796ba in start_thread (arg=0x7f18124c4700) at pthread_create.c:333
#5  0x00007f183df243dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 15 (Thread 0x7f1812cc5700 (LWP 1762)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x000055c00c45a462 in ?? ()
#2  0x000055c00c45a6d1 in ?? ()
#3  0x000055c00c42c169 in ?? ()
#4  0x00007f183e8796ba in start_thread (arg=0x7f1812cc5700) at pthread_create.c:333
#5  0x00007f183df243dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 14 (Thread 0x7f1813cc7700 (LWP 1760)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x000055c00c45a462 in ?? ()
#2  0x000055c00c45a6d1 in ?? ()
#3  0x000055c00c599ea4 in ?? ()
#4  0x00007f183e8796ba in start_thread (arg=0x7f1813cc7700) at pthread_create.c:333
#5  0x00007f183df243dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 13 (Thread 0x7f18144c8700 (LWP 1759)):
#0  0x00007f183fc0d64a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000055c00c453d58 in ?? ()
#2  0x000055c00c4542a2 in ?? ()
#3  0x000055c00c459329 in ?? ()
#4  0x000055c00c5f0295 in ?? ()
#5  0x000055c00c4f1738 in ?? ()
#6  0x00007f183e8796ba in start_thread (arg=0x7f18144c8700) at pthread_create.c:333
#7  0x00007f183df243dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 12 (Thread 0x7f1814cc9700 (LWP 1758)):
#0  0x00007f183fc0d64a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000055c00c453d58 in ?? ()
#2  0x000055c00c4542a2 in ?? ()
#3  0x000055c00c459329 in ?? ()
#4  0x000055c00c5f0295 in ?? ()
#5  0x000055c00c4f1738 in ?? ()
#6  0x00007f183e8796ba in start_thread (arg=0x7f1814cc9700) at pthread_create.c:333
#7  0x00007f183df243dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 11 (Thread 0x7f18154ca700 (LWP 1757)):
#0  0x00007f183fc0d64a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000055c00c453d58 in ?? ()
#2  0x000055c00c4542a2 in ?? ()
#3  0x000055c00c459329 in ?? ()
#4  0x000055c00c5f0295 in ?? ()
#5  0x000055c00c4f1738 in ?? ()
#6  0x00007f183e8796ba in start_thread (arg=0x7f18154ca700) at pthread_create.c:333
#7  0x00007f183df243dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 10 (Thread 0x7f1815ccb700 (LWP 1756)):
#0  0x00007f183fc0d64a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000055c00c453d58 in ?? ()
#2  0x000055c00c4542a2 in ?? ()
#3  0x000055c00c459329 in ?? ()
#4  0x000055c00c5f0295 in ?? ()
#5  0x000055c00c4f1738 in ?? ()
#6  0x00007f183e8796ba in start_thread (arg=0x7f1815ccb700) at pthread_create.c:333
#7  0x00007f183df243dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7f18164cc700 (LWP 1755)):
#0  0x00007f183fc0d64a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000055c00c453d58 in ?? ()
#2  0x000055c00c4542a2 in ?? ()
#3  0x000055c00c459329 in ?? ()
#4  0x000055c00c5f0295 in ?? ()
#5  0x000055c00c4f1738 in ?? ()
#6  0x00007f183e8796ba in start_thread (arg=0x7f18164cc700) at pthread_create.c:333
#7  0x00007f183df243dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7f1816ccd700 (LWP 1754)):
#0  0x00007f183fc0d64a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000055c00c453d58 in ?? ()
#2  0x000055c00c4542a2 in ?? ()
#3  0x000055c00c459329 in ?? ()
#4  0x000055c00c5f0295 in ?? ()
#5  0x000055c00c4f1738 in ?? ()
#6  0x00007f183e8796ba in start_thread (arg=0x7f1816ccd700) at pthread_create.c:333
#7  0x00007f183df243dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7f18174ce700 (LWP 1753)):
#0  0x00007f183fc0d64a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000055c00c453d58 in ?? ()
#2  0x000055c00c4542a2 in ?? ()
#3  0x000055c00c459329 in ?? ()
#4  0x000055c00c5f0295 in ?? ()
#5  0x000055c00c4f1738 in ?? ()
#6  0x00007f183e8796ba in start_thread (arg=0x7f18174ce700) at pthread_create.c:333
#7  0x00007f183df243dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7f1817ccf700 (LWP 1752)):
#0  0x00007f183fc0d64a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000055c00c453d58 in ?? ()
#2  0x000055c00c4542a2 in ?? ()
#3  0x000055c00c459329 in ?? ()
#4  0x000055c00c5f0295 in ?? ()
#5  0x000055c00c4f1738 in ?? ()
#6  0x00007f183e8796ba in start_thread (arg=0x7f1817ccf700) at pthread_create.c:333
#7  0x00007f183df243dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7f1824f28700 (LWP 1751)):
#0  0x00007f183fc0d64a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000055c00c453d58 in ?? ()
#2  0x000055c00c4542a2 in ?? ()
#3  0x000055c00c459329 in ?? ()
#4  0x000055c00c5f0295 in ?? ()
#5  0x000055c00c4f1738 in ?? ()
#6  0x00007f183e8796ba in start_thread (arg=0x7f1824f28700) at pthread_create.c:333
#7  0x00007f183df243dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7f1825729700 (LWP 1750)):
#0  0x00007f183fc0d64a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000055c00c453d58 in ?? ()
#2  0x000055c00c4542a2 in ?? ()
#3  0x000055c00c459329 in ?? ()
#4  0x000055c00c5f0295 in ?? ()
#5  0x000055c00c4f1738 in ?? ()
#6  0x00007f183e8796ba in start_thread (arg=0x7f1825729700) at pthread_create.c:333
#7  0x00007f183df243dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f1828549700 (LWP 1749)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x000055c00c376eef in ?? ()
#2  0x000055c00c36ea08 in ?? ()
#3  0x00007f183e8796ba in start_thread (arg=0x7f1828549700) at pthread_create.c:333
#4  0x00007f183df243dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f183d0c5700 (LWP 1748)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x000055c00c700e22 in ?? ()
#2  0x00007f183e8796ba in start_thread (arg=0x7f183d0c5700) at pthread_create.c:333
#3  0x00007f183df243dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f18401968c0 (LWP 1746)):
#0  0x00007f183df1870d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x000055c00bf65fef in handle_connections_sockets() ()
#2  0x000055c00bf6ddec in mysqld_main(int, char**) ()
#3  0x00007f183de3d830 in __libc_start_main (main=0x55c00bf4c3e0 <main>, argc=9, argv=0x7ffdd4688f38, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffdd4688f28) at ../csu/libc-start.c:291
#4  0x000055c00bf60c29 in _start ()