[New LWP 50843]
[New LWP 50797]
[New LWP 50799]
[New LWP 50800]
[New LWP 50801]
[New LWP 50802]
[New LWP 50803]
[New LWP 50804]
[New LWP 50805]
[New LWP 50806]
[New LWP 50807]
[New LWP 50808]
[New LWP 50809]
[New LWP 50810]
[New LWP 50811]
[New LWP 50814]
[New LWP 50815]
[New LWP 50816]
[New LWP 50817]
[New LWP 50818]
[New LWP 50819]
[New LWP 50820]
[New LWP 50821]
[New LWP 50822]
[New LWP 50823]
[New LWP 50824]
[New LWP 50825]
[New LWP 50826]
[New LWP 50827]
[New LWP 50828]
[New LWP 50829]
[New LWP 50830]
[New LWP 50831]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
Core was generated by `/usr/sbin/mysqld'.
Program terminated with signal 11, Segmentation fault.
#0  0x00007f8562e13aa1 in pthread_kill () from /lib64/libpthread.so.0

Thread 33 (Thread 0x7f854c801700 (LWP 50831)):
#0  0x00007f8562e12a35 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x000055af00b54493 in handle_slave_background ()
#2  0x00007f8562e0eea5 in start_thread () from /lib64/libpthread.so.0
#3  0x00007f85611af8dd in clone () from /lib64/libc.so.6

Thread 32 (Thread 0x7f85630ba700 (LWP 50830)):
#0  0x00007f8562e12a35 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x000055af00f3f88c in Event_queue::cond_wait(THD*, timespec*, PSI_stage_info_v1 const*, char const*, char const*, unsigned int) ()
#2  0x000055af00f3f93c in Event_queue::get_top_for_execution_if_time(THD*, Event_queue_element_for_exec**) ()
#3  0x000055af00f3e740 in Event_scheduler::run(THD*) ()
#4  0x000055af00f3e875 in event_scheduler_thread ()
#5  0x00007f8562e0eea5 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f85611af8dd in clone () from /lib64/libc.so.6

Thread 31 (Thread 0x7f8563105700 (LWP 50829)):
#0  0x00007f8562e163c1 in sigwait () from /lib64/libpthread.so.0
#1  0x000055af00b365ab in signal_hand ()
#2  0x00007f8562e0eea5 in start_thread () from /lib64/libpthread.so.0
#3  0x00007f85611af8dd in clone () from /lib64/libc.so.6

Thread 30 (Thread 0x7f8563150700 (LWP 50828)):
#0  0x00007f8562e12a35 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x000055af00ec203f in binlog_background_thread ()
#2  0x00007f8562e0eea5 in start_thread () from /lib64/libpthread.so.0
#3  0x00007f85611af8dd in clone () from /lib64/libc.so.6

Thread 29 (Thread 0x7f851cff9700 (LWP 50827)):
#0  0x00007f8562e12a35 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x000055af00f7121b in thd_destructor_proxy ()
#2  0x00007f8562e0eea5 in start_thread () from /lib64/libpthread.so.0
#3  0x00007f85611af8dd in clone () from /lib64/libc.so.6

Thread 28 (Thread 0x7f851d7fa700 (LWP 50826)):
#0  0x00007f8562e12a35 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x000055af00ff2601 in os_event_wait_low(os_event*, long) ()
#2  0x000055af011138c2 in buf_resize_thread ()
#3  0x00007f8562e0eea5 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f85611af8dd in clone () from /lib64/libc.so.6

Thread 27 (Thread 0x7f851dffb700 (LWP 50825)):
#0  0x00007f8562e15e9d in nanosleep () from /lib64/libpthread.so.0
#1  0x000055af00ff2840 in os_thread_sleep(unsigned long) ()
#2  0x000055af0110484a in btr_defragment_thread ()
#3  0x00007f8562e0eea5 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f85611af8dd in clone () from /lib64/libc.so.6

Thread 26 (Thread 0x7f851e7fc700 (LWP 50824)):
#0  0x00007f8562e12a35 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x000055af00ff2601 in os_event_wait_low(os_event*, long) ()
#2  0x000055af0111b0c7 in buf_dump_thread ()
#3  0x00007f8562e0eea5 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f85611af8dd in clone () from /lib64/libc.so.6

Thread 25 (Thread 0x7f851effd700 (LWP 50823)):
#0  0x00007f8562e12a35 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x000055af00ff2601 in os_event_wait_low(os_event*, long) ()
#2  0x000055af0108175a in srv_worker_thread ()
#3  0x00007f8562e0eea5 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f85611af8dd in clone () from /lib64/libc.so.6

Thread 24 (Thread 0x7f851f7fe700 (LWP 50822)):
#0  0x00007f8562e12a35 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x000055af00ff2601 in os_event_wait_low(os_event*, long) ()
#2  0x000055af0108175a in srv_worker_thread ()
#3  0x00007f8562e0eea5 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f85611af8dd in clone () from /lib64/libc.so.6

Thread 23 (Thread 0x7f8527fff700 (LWP 50821)):
#0  0x00007f8562e12a35 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x000055af00ff2601 in os_event_wait_low(os_event*, long) ()
#2  0x000055af0108175a in srv_worker_thread ()
#3  0x00007f8562e0eea5 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f85611af8dd in clone () from /lib64/libc.so.6

Thread 22 (Thread 0x7f851ffff700 (LWP 50820)):
#0  0x00007f8562e12a35 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x000055af00ff2601 in os_event_wait_low(os_event*, long) ()
#2  0x000055af01082bb3 in srv_purge_coordinator_thread ()
#3  0x00007f8562e0eea5 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f85611af8dd in clone () from /lib64/libc.so.6

Thread 21 (Thread 0x7f8524ff9700 (LWP 50819)):
#0  0x00007f8562e15e9d in nanosleep () from /lib64/libpthread.so.0
#1  0x000055af00ff2840 in os_thread_sleep(unsigned long) ()
#2  0x000055af01080d11 in srv_master_thread ()
#3  0x00007f8562e0eea5 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f85611af8dd in clone () from /lib64/libc.so.6

Thread 20 (Thread 0x7f85257fa700 (LWP 50818)):
#0  0x00007f8562e12de2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x000055af00ff20f3 in os_event::timed_wait(timespec const*) ()
#2  0x000055af00ff2301 in os_event::wait_time_low(unsigned long, long) ()
#3  0x000055af010ccf1e in ib_wqueue_timedwait(ib_wqueue_t*, unsigned long) ()
#4  0x000055af011b2b62 in fts_optimize_thread(void*) ()
#5  0x00007f8562e0eea5 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f85611af8dd in clone () from /lib64/libc.so.6

Thread 19 (Thread 0x7f8525ffb700 (LWP 50817)):
#0  0x00007f8562e12de2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x000055af00ff20f3 in os_event::timed_wait(timespec const*) ()
#2  0x000055af00ff2301 in os_event::wait_time_low(unsigned long, long) ()
#3  0x000055af01167eac in dict_stats_thread ()
#4  0x00007f8562e0eea5 in start_thread () from /lib64/libpthread.so.0
#5  0x00007f85611af8dd in clone () from /lib64/libc.so.6

Thread 18 (Thread 0x7f85267fc700 (LWP 50816)):
#0  0x00007f8562e12de2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x000055af00ff20f3 in os_event::timed_wait(timespec const*) ()
#2  0x000055af00ff2301 in os_event::wait_time_low(unsigned long, long) ()
#3  0x000055af0107feb0 in srv_monitor_thread ()
#4  0x00007f8562e0eea5 in start_thread () from /lib64/libpthread.so.0
#5  0x00007f85611af8dd in clone () from /lib64/libc.so.6

Thread 17 (Thread 0x7f8526ffd700 (LWP 50815)):
#0  0x00007f8562e12de2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x000055af00ff20f3 in os_event::timed_wait(timespec const*) ()
#2  0x000055af00ff2301 in os_event::wait_time_low(unsigned long, long) ()
#3  0x000055af010805bc in srv_error_monitor_thread ()
#4  0x00007f8562e0eea5 in start_thread () from /lib64/libpthread.so.0
#5  0x00007f85611af8dd in clone () from /lib64/libc.so.6

Thread 16 (Thread 0x7f85277fe700 (LWP 50814)):
#0  0x00007f8562e12de2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x000055af00ff20f3 in os_event::timed_wait(timespec const*) ()
#2  0x000055af00ff2301 in os_event::wait_time_low(unsigned long, long) ()
#3  0x000055af00fc7a1f in lock_wait_timeout_thread ()
#4  0x00007f8562e0eea5 in start_thread () from /lib64/libpthread.so.0
#5  0x00007f85611af8dd in clone () from /lib64/libc.so.6

Thread 15 (Thread 0x7f852cd35700 (LWP 50811)):
#0  0x00007f8562e12de2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x000055af00ff20f3 in os_event::timed_wait(timespec const*) ()
#2  0x000055af00ff2301 in os_event::wait_time_low(unsigned long, long) ()
#3  0x000055af011210c0 in buf_flush_page_cleaner_coordinator ()
#4  0x00007f8562e0eea5 in start_thread () from /lib64/libpthread.so.0
#5  0x00007f85611af8dd in clone () from /lib64/libc.so.6

Thread 14 (Thread 0x7f852d536700 (LWP 50810)):
#0  0x00007f85629df644 in __io_getevents_0_4 () from /lib64/libaio.so.1
#1  0x000055af00fe8f0a in LinuxAIOHandler::collect() ()
#2  0x000055af00fe9532 in LinuxAIOHandler::poll(fil_node_t**, void**, IORequest*) ()
#3  0x000055af00ff0759 in os_aio_handler(unsigned long, fil_node_t**, void**, IORequest*) ()
#4  0x000055af01176601 in fil_aio_wait(unsigned long) ()
#5  0x000055af01083818 in io_handler_thread ()
#6  0x00007f8562e0eea5 in start_thread () from /lib64/libpthread.so.0
#7  0x00007f85611af8dd in clone () from /lib64/libc.so.6

Thread 13 (Thread 0x7f852dd37700 (LWP 50809)):
#0  0x00007f85629df644 in __io_getevents_0_4 () from /lib64/libaio.so.1
#1  0x000055af00fe8f0a in LinuxAIOHandler::collect() ()
#2  0x000055af00fe9532 in LinuxAIOHandler::poll(fil_node_t**, void**, IORequest*) ()
#3  0x000055af00ff0759 in os_aio_handler(unsigned long, fil_node_t**, void**, IORequest*) ()
#4  0x000055af01176601 in fil_aio_wait(unsigned long) ()
#5  0x000055af01083818 in io_handler_thread ()
#6  0x00007f8562e0eea5 in start_thread () from /lib64/libpthread.so.0
#7  0x00007f85611af8dd in clone () from /lib64/libc.so.6

Thread 12 (Thread 0x7f852e538700 (LWP 50808)):
#0  0x00007f85629df644 in __io_getevents_0_4 () from /lib64/libaio.so.1
#1  0x000055af00fe8f0a in LinuxAIOHandler::collect() ()
#2  0x000055af00fe9532 in LinuxAIOHandler::poll(fil_node_t**, void**, IORequest*) ()
#3  0x000055af00ff0759 in os_aio_handler(unsigned long, fil_node_t**, void**, IORequest*) ()
#4  0x000055af01176601 in fil_aio_wait(unsigned long) ()
#5  0x000055af01083818 in io_handler_thread ()
#6  0x00007f8562e0eea5 in start_thread () from /lib64/libpthread.so.0
#7  0x00007f85611af8dd in clone () from /lib64/libc.so.6

Thread 11 (Thread 0x7f852ed39700 (LWP 50807)):
#0  0x00007f85629df644 in __io_getevents_0_4 () from /lib64/libaio.so.1
#1  0x000055af00fe8f0a in LinuxAIOHandler::collect() ()
#2  0x000055af00fe9532 in LinuxAIOHandler::poll(fil_node_t**, void**, IORequest*) ()
#3  0x000055af00ff0759 in os_aio_handler(unsigned long, fil_node_t**, void**, IORequest*) ()
#4  0x000055af01176601 in fil_aio_wait(unsigned long) ()
#5  0x000055af01083818 in io_handler_thread ()
#6  0x00007f8562e0eea5 in start_thread () from /lib64/libpthread.so.0
#7  0x00007f85611af8dd in clone () from /lib64/libc.so.6

Thread 10 (Thread 0x7f852f53a700 (LWP 50806)):
#0  0x00007f85629df644 in __io_getevents_0_4 () from /lib64/libaio.so.1
#1  0x000055af00fe8f0a in LinuxAIOHandler::collect() ()
#2  0x000055af00fe9532 in LinuxAIOHandler::poll(fil_node_t**, void**, IORequest*) ()
#3  0x000055af00ff0759 in os_aio_handler(unsigned long, fil_node_t**, void**, IORequest*) ()
#4  0x000055af01176601 in fil_aio_wait(unsigned long) ()
#5  0x000055af01083818 in io_handler_thread ()
#6  0x00007f8562e0eea5 in start_thread () from /lib64/libpthread.so.0
#7  0x00007f85611af8dd in clone () from /lib64/libc.so.6

Thread 9 (Thread 0x7f852fd3b700 (LWP 50805)):
#0  0x00007f85629df644 in __io_getevents_0_4 () from /lib64/libaio.so.1
#1  0x000055af00fe8f0a in LinuxAIOHandler::collect() ()
#2  0x000055af00fe9532 in LinuxAIOHandler::poll(fil_node_t**, void**, IORequest*) ()
#3  0x000055af00ff0759 in os_aio_handler(unsigned long, fil_node_t**, void**, IORequest*) ()
#4  0x000055af01176601 in fil_aio_wait(unsigned long) ()
#5  0x000055af01083818 in io_handler_thread ()
#6  0x00007f8562e0eea5 in start_thread () from /lib64/libpthread.so.0
#7  0x00007f85611af8dd in clone () from /lib64/libc.so.6

Thread 8 (Thread 0x7f853053c700 (LWP 50804)):
#0  0x00007f85629df644 in __io_getevents_0_4 () from /lib64/libaio.so.1
#1  0x000055af00fe8f0a in LinuxAIOHandler::collect() ()
#2  0x000055af00fe9532 in LinuxAIOHandler::poll(fil_node_t**, void**, IORequest*) ()
#3  0x000055af00ff0759 in os_aio_handler(unsigned long, fil_node_t**, void**, IORequest*) ()
#4  0x000055af01176601 in fil_aio_wait(unsigned long) ()
#5  0x000055af01083818 in io_handler_thread ()
#6  0x00007f8562e0eea5 in start_thread () from /lib64/libpthread.so.0
#7  0x00007f85611af8dd in clone () from /lib64/libc.so.6

Thread 7 (Thread 0x7f8530d3d700 (LWP 50803)):
#0  0x00007f85629df644 in __io_getevents_0_4 () from /lib64/libaio.so.1
#1  0x000055af00fe8f0a in LinuxAIOHandler::collect() ()
#2  0x000055af00fe9532 in LinuxAIOHandler::poll(fil_node_t**, void**, IORequest*) ()
#3  0x000055af00ff0759 in os_aio_handler(unsigned long, fil_node_t**, void**, IORequest*) ()
#4  0x000055af01176601 in fil_aio_wait(unsigned long) ()
#5  0x000055af01083818 in io_handler_thread ()
#6  0x00007f8562e0eea5 in start_thread () from /lib64/libpthread.so.0
#7  0x00007f85611af8dd in clone () from /lib64/libc.so.6

Thread 6 (Thread 0x7f853153e700 (LWP 50802)):
#0  0x00007f85629df644 in __io_getevents_0_4 () from /lib64/libaio.so.1
#1  0x000055af00fe8f0a in LinuxAIOHandler::collect() ()
#2  0x000055af00fe9532 in LinuxAIOHandler::poll(fil_node_t**, void**, IORequest*) ()
#3  0x000055af00ff0759 in os_aio_handler(unsigned long, fil_node_t**, void**, IORequest*) ()
#4  0x000055af01176601 in fil_aio_wait(unsigned long) ()
#5  0x000055af01083818 in io_handler_thread ()
#6  0x00007f8562e0eea5 in start_thread () from /lib64/libpthread.so.0
#7  0x00007f85611af8dd in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x7f8531d3f700 (LWP 50801)):
#0  0x00007f85629df644 in __io_getevents_0_4 () from /lib64/libaio.so.1
#1  0x000055af00fe8f0a in LinuxAIOHandler::collect() ()
#2  0x000055af00fe9532 in LinuxAIOHandler::poll(fil_node_t**, void**, IORequest*) ()
#3  0x000055af00ff0759 in os_aio_handler(unsigned long, fil_node_t**, void**, IORequest*) ()
#4  0x000055af01176601 in fil_aio_wait(unsigned long) ()
#5  0x000055af01083818 in io_handler_thread ()
#6  0x00007f8562e0eea5 in start_thread () from /lib64/libpthread.so.0
#7  0x00007f85611af8dd in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7f854d616700 (LWP 50800)):
#0  0x00007f8562e12de2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x000055af01220f16 in my_service_thread_sleep ()
#2  0x000055af012189de in ma_checkpoint_background ()
#3  0x00007f8562e0eea5 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f85611af8dd in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7f855e54d700 (LWP 50799)):
#0  0x00007f8562e12de2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x000055af01347b27 in timer_handler ()
#2  0x00007f8562e0eea5 in start_thread () from /lib64/libpthread.so.0
#3  0x00007f85611af8dd in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f856322a8c0 (LWP 50797)):
#0  0x00007f85611a4c3d in poll () from /lib64/libc.so.6
#1  0x000055af00b3f6ff in handle_connections_sockets() ()
#2  0x000055af00b40d8c in mysqld_main(int, char**) ()
#3  0x00007f85610d3555 in __libc_start_main () from /lib64/libc.so.6
#4  0x000055af00b3355d in _start ()

Thread 1 (Thread 0x7f854c7b6700 (LWP 50843)):
#0  0x00007f8562e13aa1 in pthread_kill () from /lib64/libpthread.so.0
#1  0x000055af00dd8ace in handle_fatal_signal ()
#2  <signal handler called>
#3  0x000055af00df644b in Item_sp::cleanup() ()
#4  0x000055af00e426f8 in Item_func_sp::cleanup() ()
#5  0x000055af00bec581 in cleanup_items(Item*) ()
#6  0x000055af00b65f40 in sp_head::execute(THD*, bool) ()
#7  0x000055af00b67ac2 in sp_head::execute_function(THD*, Item**, unsigned int, Field*, sp_rcontext**, Query_arena*) ()
#8  0x000055af00df6618 in Item_sp::execute_impl(THD*, Item**, unsigned int) ()
#9  0x000055af00df6861 in Item_sp::execute(THD*, bool*, Item**, unsigned int) ()
#10 0x000055af00e5a271 in Item_func_sp::val_int() ()
#11 0x000055af00d2db19 in Type_handler::Item_send_tiny(Item*, Protocol*, st_value*) const ()
#12 0x000055af00b4826f in Protocol::send_result_set_row(List<Item>*) ()
#13 0x000055af00bb4073 in select_send::send_data(List<Item>&) ()
#14 0x000055af00c51b1c in JOIN::exec_inner() ()
#15 0x000055af00c51d63 in JOIN::exec() ()
#16 0x000055af00c5026a 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 0x000055af00c50d7c in handle_select(THD*, LEX*, select_result*, unsigned long) ()
#18 0x000055af00b00f06 in execute_sqlcom_select(THD*, TABLE_LIST*) ()
#19 0x000055af00bf98ca in mysql_execute_command(THD*) ()
#20 0x000055af00bfc63d in mysql_parse(THD*, char*, unsigned int, Parser_state*, bool, bool) ()
#21 0x000055af00bfded1 in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool, bool) ()
#22 0x000055af00c0016b in do_command(THD*) ()
#23 0x000055af00cd6a86 in do_handle_one_connection(CONNECT*) ()
#24 0x000055af00cd6b9d in handle_one_connection ()
#25 0x00007f8562e0eea5 in start_thread () from /lib64/libpthread.so.0
#26 0x00007f85611af8dd in clone () from /lib64/libc.so.6