Thread 48 (Thread 0x7fc7e6962b00 (LWP 9685)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x000055f1d716751a in inline_mysql_cond_timedwait (src_file=0x55f1d7715d58 "/home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc", src_line=1134, abstime=0x7fc7e6962070, mutex=0x7fc7d179b408, that=0x7fc7e69620d0) at /home/buildbot/buildbot/build/mariadb-10.1.28/include/mysql/psi/mysql_thread.h:1202
#2  get_event (current_thread=current_thread@entry=0x7fc7e69620b0, thread_group=thread_group@entry=0x7fc7d179b408, abstime=abstime@entry=0x7fc7e6962070) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc:1134
#3  0x000055f1d7167745 in worker_main (param=0x7fc7d179b408) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc:1496
#4  0x00007fc7ea24d6ba in start_thread (arg=0x7fc7e6962b00) at pthread_create.c:333
#5  0x00007fc7e98f83dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 47 (Thread 0x7fc7b9dacb00 (LWP 13716)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x000055f1d716751a in inline_mysql_cond_timedwait (src_file=0x55f1d7715d58 "/home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc", src_line=1134, abstime=0x7fc7b9dac070, mutex=0x7fc7d179b408, that=0x7fc7b9dac0d0) at /home/buildbot/buildbot/build/mariadb-10.1.28/include/mysql/psi/mysql_thread.h:1202
#2  get_event (current_thread=current_thread@entry=0x7fc7b9dac0b0, thread_group=thread_group@entry=0x7fc7d179b408, abstime=abstime@entry=0x7fc7b9dac070) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc:1134
#3  0x000055f1d7167745 in worker_main (param=0x7fc7d179b408) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc:1496
#4  0x00007fc7ea24d6ba in start_thread (arg=0x7fc7b9dacb00) at pthread_create.c:333
#5  0x00007fc7e98f83dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 46 (Thread 0x7fc7ebb7bb00 (LWP 5157)):
#0  do_sigwait (sig=0x7fc7ebb7b028, set=<optimized out>) at ../sysdeps/unix/sysv/linux/sigwait.c:64
#1  __sigwait (set=set@entry=0x7fc7ebb7b080, sig=sig@entry=0x7fc7ebb7b028) at ../sysdeps/unix/sysv/linux/sigwait.c:96
#2  0x000055f1d6f6143b in signal_hand (arg=<optimized out>) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/mysqld.cc:3401
#3  0x00007fc7ea24d6ba in start_thread (arg=0x7fc7ebb7bb00) at pthread_create.c:333
#4  0x00007fc7e98f83dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 45 (Thread 0x7fc7b6ccbb00 (LWP 15755)):
#0  0x00007fc7e98f89d3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:84
#1  0x000055f1d7166efb in io_poll_wait (pollfd=23, native_events=native_events@entry=0x7fc7b6cc7f50, maxevents=maxevents@entry=1024, timeout_ms=timeout_ms@entry=-1) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc:285
#2  0x000055f1d7166f76 in listener (thread_group=thread_group@entry=0x7fc7d179b408, current_thread=0x7fc7b6ccb0b0) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc:652
#3  0x000055f1d71675c7 in get_event (current_thread=current_thread@entry=0x7fc7b6ccb0b0, thread_group=thread_group@entry=0x7fc7d179b408, abstime=abstime@entry=0x7fc7b6ccb070) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc:1096
#4  0x000055f1d7167745 in worker_main (param=0x7fc7d179b408) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc:1496
#5  0x00007fc7ea24d6ba in start_thread (arg=0x7fc7b6ccbb00) at pthread_create.c:333
#6  0x00007fc7e98f83dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 44 (Thread 0x7fc7b37b2b00 (LWP 20282)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x000055f1d716751a in inline_mysql_cond_timedwait (src_file=0x55f1d7715d58 "/home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc", src_line=1134, abstime=0x7fc7b37b2070, mutex=0x7fc7d179b608, that=0x7fc7b37b20d0) at /home/buildbot/buildbot/build/mariadb-10.1.28/include/mysql/psi/mysql_thread.h:1202
#2  get_event (current_thread=current_thread@entry=0x7fc7b37b20b0, thread_group=thread_group@entry=0x7fc7d179b608, abstime=abstime@entry=0x7fc7b37b2070) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc:1134
#3  0x000055f1d7167745 in worker_main (param=0x7fc7d179b608) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc:1496
#4  0x00007fc7ea24d6ba in start_thread (arg=0x7fc7b37b2b00) at pthread_create.c:333
#5  0x00007fc7e98f83dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 43 (Thread 0x7fc7b1bff700 (LWP 5156)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x000055f1d7166996 in inline_mysql_cond_timedwait (src_file=0x55f1d7715d58 "/home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc", src_line=514, abstime=0x7fc7b1bfecd0, mutex=0x55f1d7e7a3e0 <pool_timer>, that=<optimized out>) at /home/buildbot/buildbot/build/mariadb-10.1.28/include/mysql/psi/mysql_thread.h:1202
#2  timer_thread (param=<optimized out>) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc:514
#3  0x00007fc7ea24d6ba in start_thread (arg=0x7fc7b1bff700) at pthread_create.c:333
#4  0x00007fc7e98f83dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 42 (Thread 0x7fc7bbd10b00 (LWP 21345)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x000055f1d716751a in inline_mysql_cond_timedwait (src_file=0x55f1d7715d58 "/home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc", src_line=1134, abstime=0x7fc7bbd10070, mutex=0x7fc7d179b608, that=0x7fc7bbd100d0) at /home/buildbot/buildbot/build/mariadb-10.1.28/include/mysql/psi/mysql_thread.h:1202
#2  get_event (current_thread=current_thread@entry=0x7fc7bbd100b0, thread_group=thread_group@entry=0x7fc7d179b608, abstime=abstime@entry=0x7fc7bbd10070) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc:1134
#3  0x000055f1d7167745 in worker_main (param=0x7fc7d179b608) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc:1496
#4  0x00007fc7ea24d6ba in start_thread (arg=0x7fc7bbd10b00) at pthread_create.c:333
#5  0x00007fc7e98f83dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 41 (Thread 0x7fc7e6918b00 (LWP 16398)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x000055f1d716751a in inline_mysql_cond_timedwait (src_file=0x55f1d7715d58 "/home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc", src_line=1134, abstime=0x7fc7e6918070, mutex=0x7fc7d179b008, that=0x7fc7e69180d0) at /home/buildbot/buildbot/build/mariadb-10.1.28/include/mysql/psi/mysql_thread.h:1202
#2  get_event (current_thread=current_thread@entry=0x7fc7e69180b0, thread_group=thread_group@entry=0x7fc7d179b008, abstime=abstime@entry=0x7fc7e6918070) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc:1134
#3  0x000055f1d7167745 in worker_main (param=0x7fc7d179b008) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc:1496
#4  0x00007fc7ea24d6ba in start_thread (arg=0x7fc7e6918b00) at pthread_create.c:333
#5  0x00007fc7e98f83dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 40 (Thread 0x7fc7b3ffe700 (LWP 5155)):
#0  0x00007fc7e98ee593 in select () at ../sysdeps/unix/syscall-template.S:84
#1  0x000055f1d747e97f in os_thread_sleep (tm=tm@entry=1000000) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/os/os0thread.cc:307
#2  0x000055f1d755490e in btr_defragment_thread () at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/btr/btr0defragment.cc:758
#3  0x00007fc7ea24d6ba in start_thread (arg=0x7fc7b3ffe700) at pthread_create.c:333
#4  0x00007fc7e98f83dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 39 (Thread 0x7fc7b5bfe700 (LWP 5153)):
#0  0x00007fc7e98ee593 in select () at ../sysdeps/unix/syscall-template.S:84
#1  0x000055f1d747e97f in os_thread_sleep (tm=tm@entry=1000000) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/os/os0thread.cc:307
#2  0x000055f1d7572b1f in page_cleaner_sleep_if_needed (next_loop_time=<optimized out>) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/buf/buf0flu.cc:2668
#3  buf_flush_lru_manager_thread (arg=<optimized out>) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/buf/buf0flu.cc:2969
#4  0x00007fc7ea24d6ba in start_thread (arg=0x7fc7b5bfe700) at pthread_create.c:333
#5  0x00007fc7e98f83dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 38 (Thread 0x7fc7b9ffcb00 (LWP 15553)):
#0  0x00007fc7e98f89d3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:84
#1  0x000055f1d7166efb in io_poll_wait (pollfd=24, native_events=native_events@entry=0x7fc7b9ff8f50, maxevents=maxevents@entry=1024, timeout_ms=timeout_ms@entry=-1) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc:285
#2  0x000055f1d7166f76 in listener (thread_group=thread_group@entry=0x7fc7d179b608, current_thread=0x7fc7b9ffc0b0) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc:652
#3  0x000055f1d71675c7 in get_event (current_thread=current_thread@entry=0x7fc7b9ffc0b0, thread_group=thread_group@entry=0x7fc7d179b608, abstime=abstime@entry=0x7fc7b9ffc070) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc:1096
#4  0x000055f1d7167745 in worker_main (param=0x7fc7d179b608) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc:1496
#5  0x00007fc7ea24d6ba in start_thread (arg=0x7fc7b9ffcb00) at pthread_create.c:333
#6  0x00007fc7e98f83dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 37 (Thread 0x7fc7b6ff9b00 (LWP 22679)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x000055f1d716751a in inline_mysql_cond_timedwait (src_file=0x55f1d7715d58 "/home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc", src_line=1134, abstime=0x7fc7b6ff9070, mutex=0x7fc7d179b008, that=0x7fc7b6ff90d0) at /home/buildbot/buildbot/build/mariadb-10.1.28/include/mysql/psi/mysql_thread.h:1202
#2  get_event (current_thread=current_thread@entry=0x7fc7b6ff90b0, thread_group=thread_group@entry=0x7fc7d179b008, abstime=abstime@entry=0x7fc7b6ff9070) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc:1134
#3  0x000055f1d7167745 in worker_main (param=0x7fc7d179b008) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc:1496
#4  0x00007fc7ea24d6ba in start_thread (arg=0x7fc7b6ff9b00) at pthread_create.c:333
#5  0x00007fc7e98f83dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 36 (Thread 0x7fc7b9c84b00 (LWP 22344)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x000055f1d716751a in inline_mysql_cond_timedwait (src_file=0x55f1d7715d58 "/home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc", src_line=1134, abstime=0x7fc7b9c84070, mutex=0x7fc7d179b208, that=0x7fc7b9c840d0) at /home/buildbot/buildbot/build/mariadb-10.1.28/include/mysql/psi/mysql_thread.h:1202
#2  get_event (current_thread=current_thread@entry=0x7fc7b9c840b0, thread_group=thread_group@entry=0x7fc7d179b208, abstime=abstime@entry=0x7fc7b9c84070) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc:1134
#3  0x000055f1d7167745 in worker_main (param=0x7fc7d179b208) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc:1496
#4  0x00007fc7ea24d6ba in start_thread (arg=0x7fc7b9c84b00) at pthread_create.c:333
#5  0x00007fc7e98f83dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 35 (Thread 0x7fc7b63ff700 (LWP 5152)):
#0  0x00007fc7e98ee593 in select () at ../sysdeps/unix/syscall-template.S:84
#1  0x000055f1d747e97f in os_thread_sleep (tm=tm@entry=1000000) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/os/os0thread.cc:307
#2  0x000055f1d7571971 in page_cleaner_sleep_if_needed (next_loop_time=<optimized out>) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/buf/buf0flu.cc:2668
#3  buf_flush_page_cleaner_thread (arg=<optimized out>) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/buf/buf0flu.cc:2809
#4  0x00007fc7ea24d6ba in start_thread (arg=0x7fc7b63ff700) at pthread_create.c:333
#5  0x00007fc7e98f83dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 34 (Thread 0x7fc7ebbb3900 (LWP 5127)):
#0  0x00007fc7e98ec70d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fc7e990a07e in __poll_chk (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>, fdslen=<optimized out>) at poll_chk.c:27
#2  0x000055f1d6f63e47 in poll (__timeout=-1, __nfds=2, __fds=0x7ffdb46a2a50) at /usr/include/x86_64-linux-gnu/bits/poll2.h:41
#3  handle_connections_sockets () at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/mysqld.cc:6493
#4  0x000055f1d6f6be78 in mysqld_main (argc=69, argv=0x7fc7e8019858) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/mysqld.cc:5918
#5  0x00007fc7e9811830 in __libc_start_main (main=0x55f1d6f4d170 <main(int, char**)>, argc=1, argv=0x7ffdb46a3178, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffdb46a3168) at ../csu/libc-start.c:291
#6  0x000055f1d6f5ed29 in _start ()

Thread 33 (Thread 0x7fc7b9e40b00 (LWP 18870)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x000055f1d76497bc in inline_mysql_cond_timedwait (src_file=0x55f1d7781748 "/home/buildbot/buildbot/build/mariadb-10.1.28/mysys/thr_lock.c", src_line=586, abstime=0x7fc7b9e3b620, mutex=0x7fc7b293b3a0, that=0x7fc7b303f828) at /home/buildbot/buildbot/build/mariadb-10.1.28/include/mysql/psi/mysql_thread.h:1202
#2  wait_for_lock (wait=wait@entry=0x7fc7b293b3f0, data=data@entry=0x7fc7b4b63340, in_wait_list=in_wait_list@entry=0 '\000', lock_wait_timeout=lock_wait_timeout@entry=31536000) at /home/buildbot/buildbot/build/mariadb-10.1.28/mysys/thr_lock.c:586
#3  0x000055f1d764a4c9 in thr_lock (lock_wait_timeout=31536000, owner=0x7fc7afcaf7d0, data=0x7fc7b4b63340) at /home/buildbot/buildbot/build/mariadb-10.1.28/mysys/thr_lock.c:1023
#4  thr_multi_lock (data=<optimized out>, count=<optimized out>, owner=owner@entry=0x7fc7afcaf7d0, lock_wait_timeout=lock_wait_timeout@entry=31536000) at /home/buildbot/buildbot/build/mariadb-10.1.28/mysys/thr_lock.c:1302
#5  0x000055f1d724ca3e in mysql_lock_tables (thd=thd@entry=0x7fc7afcae008, sql_lock=sql_lock@entry=0x7fc7b083b490, flags=<optimized out>, flags@entry=2050) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/lock.cc:320
#6  0x000055f1d724d625 in mysql_lock_tables (thd=thd@entry=0x7fc7afcae008, tables=0x7fc7a90c1fe0, count=3, flags=2050) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/lock.cc:275
#7  0x000055f1d6fb5908 in lock_tables (thd=thd@entry=0x7fc7afcae008, tables=0x7fc7b9e3bc60, count=<optimized out>, flags=flags@entry=2050) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/sql_base.cc:5439
#8  0x000055f1d6fb865a in open_and_lock_tables (thd=thd@entry=0x7fc7afcae008, options=..., tables=tables@entry=0x7fc7b9e3bc60, derived=derived@entry=false, flags=flags@entry=2050, prelocking_strategy=prelocking_strategy@entry=0x7fc7b9e3b980) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/sql_base.cc:5268
#9  0x000055f1d6fbcf11 in open_and_lock_tables (flags=2050, derived=false, tables=0x7fc7b9e3bc60, thd=0x7fc7afcae008) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/sql_base.h:534
#10 open_system_tables_for_read (thd=thd@entry=0x7fc7afcae008, table_list=table_list@entry=0x7fc7b9e3bc60, backup=backup@entry=0x7fc7b9e3bb00) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/sql_base.cc:9274
#11 0x000055f1d707b40a in open_stat_tables (for_write=true, backup=0x7fc7b9e3bb00, tables=0x7fc7b9e3bc60, thd=0x7fc7afcae008) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/sql_statistics.cc:270
#12 rename_table_in_stat_tables (thd=thd@entry=0x7fc7afcae008, db=db@entry=0x7fc7b9e3dcf0, tab=tab@entry=0x7fc7b9e3dd00, new_db=new_db@entry=0x7fc7b9e3dd20, new_tab=new_tab@entry=0x7fc7b9e3dd10) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/sql_statistics.cc:3536
#13 0x000055f1d70187d2 in do_rename (skip_error=false, new_table_alias=<optimized out>, new_table_name=<optimized out>, new_db=0x7fc7a90c1f58 "market_orders", ren_table=0x7fc7a90c1350, thd=0x7fc7afcae008) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/sql_rename.cc:301
#14 rename_tables (thd=thd@entry=0x7fc7afcae008, table_list=table_list@entry=0x7fc7a90c0698, skip_error=skip_error@entry=false) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/sql_rename.cc:379
#15 0x000055f1d7018a6e in mysql_rename_tables (thd=thd@entry=0x7fc7afcae008, table_list=table_list@entry=0x7fc7a90c0698, silent=silent@entry=false) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/sql_rename.cc:153
#16 0x000055f1d6fff0b3 in mysql_execute_command (thd=thd@entry=0x7fc7afcae008) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/sql_parse.cc:3644
#17 0x000055f1d7002ce1 in mysql_parse (thd=thd@entry=0x7fc7afcae008, rawbuf=rawbuf@entry=0x7fc7a90bc18d "RENAME TABLE market_orders_itbt TO market_orders_itbt_atomic, market_orders_itbt_new  TO market_orders_itbt;  DROP TABLE market_orders_itbt_atomic", length=length@entry=146, parser_state=parser_state@entry=0x7fc7b9e3f3a0) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/sql_parse.cc:7333
#18 0x000055f1d7006178 in dispatch_command (command=command@entry=COM_QUERY, thd=thd@entry=0x7fc7afcae008, packet=packet@entry=0x7fc7ae66b009 "", packet_length=packet_length@entry=511) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/sql_parse.cc:1571
#19 0x000055f1d7006c09 in do_command (thd=thd@entry=0x7fc7afcae008) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/sql_parse.cc:1106
#20 0x000055f1d7115c9f in threadpool_process_request (thd=0x7fc7afcae008) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_common.cc:271
#21 0x000055f1d7167805 in handle_event (connection=0x7fc7a480c8c8) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc:1452
#22 worker_main (param=0x7fc7d179b208) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc:1500
#23 0x00007fc7ea24d6ba in start_thread (arg=0x7fc7b9e40b00) at pthread_create.c:333
#24 0x00007fc7e98f83dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 32 (Thread 0x7fc7db7ff700 (LWP 5131)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x000055f1d734d4bf in inline_mysql_cond_timedwait (src_file=0x55f1d77332d0 "/home/buildbot/buildbot/build/mariadb-10.1.28/storage/maria/ma_servicethread.c", src_line=116, abstime=0x7fc7db7fec40, mutex=0x55f1d8685820 <LOCK_checkpoint>, that=0x55f1d86857e0 <COND_checkpoint>) at /home/buildbot/buildbot/build/mariadb-10.1.28/include/mysql/psi/mysql_thread.h:1202
#2  my_service_thread_sleep (control=control@entry=0x55f1d7dd0c20 <checkpoint_control>, sleep_time=<optimized out>) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/maria/ma_servicethread.c:115
#3  0x000055f1d7344e88 in ma_checkpoint_background (arg=0x1e) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/maria/ma_checkpoint.c:708
#4  0x00007fc7ea24d6ba in start_thread (arg=0x7fc7db7ff700) at pthread_create.c:333
#5  0x00007fc7e98f83dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 31 (Thread 0x7fc7d1910b00 (LWP 16388)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x000055f1d716751a in inline_mysql_cond_timedwait (src_file=0x55f1d7715d58 "/home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc", src_line=1134, abstime=0x7fc7d1910070, mutex=0x7fc7d179b208, that=0x7fc7d19100d0) at /home/buildbot/buildbot/build/mariadb-10.1.28/include/mysql/psi/mysql_thread.h:1202
#2  get_event (current_thread=current_thread@entry=0x7fc7d19100b0, thread_group=thread_group@entry=0x7fc7d179b208, abstime=abstime@entry=0x7fc7d1910070) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc:1134
#3  0x000055f1d7167745 in worker_main (param=0x7fc7d179b208) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc:1496
#4  0x00007fc7ea24d6ba in start_thread (arg=0x7fc7d1910b00) at pthread_create.c:333
#5  0x00007fc7e98f83dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 30 (Thread 0x7fc7c0fff700 (LWP 5133)):
#0  0x00007fc7eb60d64a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000055f1d747b793 in os_aio_linux_collect (seg_size=256, segment=<optimized out>, array=0x7fc7e810d1a0) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/os/os0file.cc:5387
#2  os_aio_linux_handle (global_seg=global_seg@entry=0, message1=message1@entry=0x7fc7c0ffed00, message2=message2@entry=0x7fc7c0ffed08, type=type@entry=0x7fc7c0ffed10, space_id=space_id@entry=0x7fc7c0ffed18) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/os/os0file.cc:5541
#3  0x000055f1d75b4bda in fil_aio_wait (segment=segment@entry=0) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/fil/fil0fil.cc:6510
#4  0x000055f1d74effc0 in io_handler_thread (arg=<optimized out>) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/srv/srv0start.cc:585
#5  0x00007fc7ea24d6ba in start_thread (arg=0x7fc7c0fff700) at pthread_create.c:333
#6  0x00007fc7e98f83dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 29 (Thread 0x7fc7c07fe700 (LWP 5134)):
#0  0x00007fc7eb60d64a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000055f1d747b793 in os_aio_linux_collect (seg_size=256, segment=<optimized out>, array=0x7fc7e810d0b0) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/os/os0file.cc:5387
#2  os_aio_linux_handle (global_seg=global_seg@entry=1, message1=message1@entry=0x7fc7c07fdd00, message2=message2@entry=0x7fc7c07fdd08, type=type@entry=0x7fc7c07fdd10, space_id=space_id@entry=0x7fc7c07fdd18) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/os/os0file.cc:5541
#3  0x000055f1d75b4bda in fil_aio_wait (segment=segment@entry=1) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/fil/fil0fil.cc:6510
#4  0x000055f1d74effc0 in io_handler_thread (arg=<optimized out>) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/srv/srv0start.cc:585
#5  0x00007fc7ea24d6ba in start_thread (arg=0x7fc7c07fe700) at pthread_create.c:333
#6  0x00007fc7e98f83dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 28 (Thread 0x7fc7b47ff700 (LWP 5154)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x000055f1d747e01b in os_cond_wait (fast_mutex=0x7fc7e806d2b0, cond=0x7fc7e806d2e8) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/os/os0sync.cc:196
#2  os_event_wait_low (event=0x7fc7e806d2b0, reset_sig_count=1, reset_sig_count@entry=0) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/os/os0sync.cc:477
#3  0x000055f1d7569047 in buf_dump_thread () at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/buf/buf0dump.cc:708
#4  0x00007fc7ea24d6ba in start_thread (arg=0x7fc7b47ff700) at pthread_create.c:333
#5  0x00007fc7e98f83dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 27 (Thread 0x7fc7b97ff700 (LWP 5146)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x000055f1d747e176 in os_cond_wait_timed (abstime=0x7fc7b97fec50, fast_mutex=0x7fc7e806e580, cond=0x7fc7e806e5b8) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/os/os0sync.cc:159
#2  os_event_wait_time_low (event=event@entry=0x7fc7e806e580, time_in_usec=time_in_usec@entry=1000000, reset_sig_count=reset_sig_count@entry=1) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/os/os0sync.cc:591
#3  0x000055f1d744d5d4 in lock_wait_timeout_thread () at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/lock/lock0wait.cc:536
#4  0x00007fc7ea24d6ba in start_thread (arg=0x7fc7b97ff700) at pthread_create.c:333
#5  0x00007fc7e98f83dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 26 (Thread 0x7fc7bafff700 (LWP 5143)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x000055f1d747e176 in os_cond_wait_timed (abstime=0x7fc7baffec50, fast_mutex=0x7fc7e806d240, cond=0x7fc7e806d278) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/os/os0sync.cc:159
#2  os_event_wait_time_low (event=0x7fc7e806d240, time_in_usec=time_in_usec@entry=5000000, reset_sig_count=1) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/os/os0sync.cc:591
#3  0x000055f1d74ec1b3 in srv_monitor_thread () at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/srv/srv0srv.cc:2188
#4  0x00007fc7ea24d6ba in start_thread (arg=0x7fc7bafff700) at pthread_create.c:333
#5  0x00007fc7e98f83dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 25 (Thread 0x7fc7b7ffc700 (LWP 5150)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x000055f1d747e176 in os_cond_wait_timed (abstime=0x7fc7b7ffbc00, fast_mutex=0x7fc7e806ec10, cond=0x7fc7e806ec48) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/os/os0sync.cc:159
#2  os_event_wait_time_low (event=0x7fc7e806ec10, time_in_usec=time_in_usec@entry=5000000, reset_sig_count=reset_sig_count@entry=1) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/os/os0sync.cc:591
#3  0x000055f1d7521969 in ib_wqueue_timedwait (wq=wq@entry=0x7fc7e805f928, wait_in_usecs=wait_in_usecs@entry=5000000) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/ut/ut0wqueue.cc:154
#4  0x000055f1d75edebe in fts_optimize_thread (arg=0x7fc7e805f928) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/fts/fts0opt.cc:3060
#5  0x00007fc7ea24d6ba in start_thread (arg=0x7fc7b7ffc700) at pthread_create.c:333
#6  0x00007fc7e98f83dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 24 (Thread 0x7fc7e888fb00 (LWP 19750)):
#0  0x00007fc7e98f89d3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:84
#1  0x000055f1d7166efb in io_poll_wait (pollfd=22, native_events=native_events@entry=0x7fc7e888bf50, maxevents=maxevents@entry=1024, timeout_ms=timeout_ms@entry=-1) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc:285
#2  0x000055f1d7166f76 in listener (thread_group=thread_group@entry=0x7fc7d179b208, current_thread=0x7fc7e888f0b0) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc:652
#3  0x000055f1d71675c7 in get_event (current_thread=current_thread@entry=0x7fc7e888f0b0, thread_group=thread_group@entry=0x7fc7d179b208, abstime=abstime@entry=0x7fc7e888f070) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc:1096
#4  0x000055f1d7167745 in worker_main (param=0x7fc7d179b208) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc:1496
#5  0x00007fc7ea24d6ba in start_thread (arg=0x7fc7e888fb00) at pthread_create.c:333
#6  0x00007fc7e98f83dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 23 (Thread 0x7fc7bc7f6700 (LWP 5142)):
#0  0x00007fc7eb60d64a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000055f1d747b793 in os_aio_linux_collect (seg_size=256, segment=<optimized out>, array=0x7fc7e810d1f0) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/os/os0file.cc:5387
#2  os_aio_linux_handle (global_seg=global_seg@entry=9, message1=message1@entry=0x7fc7bc7f5d00, message2=message2@entry=0x7fc7bc7f5d08, type=type@entry=0x7fc7bc7f5d10, space_id=space_id@entry=0x7fc7bc7f5d18) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/os/os0file.cc:5541
#3  0x000055f1d75b4bda in fil_aio_wait (segment=segment@entry=9) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/fil/fil0fil.cc:6510
#4  0x000055f1d74effc0 in io_handler_thread (arg=<optimized out>) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/srv/srv0start.cc:585
#5  0x00007fc7ea24d6ba in start_thread (arg=0x7fc7bc7f6700) at pthread_create.c:333
#6  0x00007fc7e98f83dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 22 (Thread 0x7fc7b87fd700 (LWP 5149)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x000055f1d747e176 in os_cond_wait_timed (abstime=0x7fc7b87fcc50, fast_mutex=0x7fc7e806e820, cond=0x7fc7e806e858) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/os/os0sync.cc:159
#2  os_event_wait_time_low (event=0x7fc7e806e820, time_in_usec=time_in_usec@entry=10000000, reset_sig_count=1, reset_sig_count@entry=0) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/os/os0sync.cc:591
#3  0x000055f1d75ad8cb in dict_stats_thread () at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/dict/dict0stats_bg.cc:553
#4  0x00007fc7ea24d6ba in start_thread (arg=0x7fc7b87fd700) at pthread_create.c:333
#5  0x00007fc7e98f83dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 21 (Thread 0x7fc7e73ff700 (LWP 5130)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x000055f1d764bb62 in inline_mysql_cond_timedwait (that=0x55f1d86cffe0 <COND_timer>, mutex=0x55f1d86d0020 <LOCK_timer>, src_file=0x55f1d7781878 "/home/buildbot/buildbot/build/mariadb-10.1.28/mysys/thr_timer.c", src_line=292, abstime=0x7fc7e73fecd0) at /home/buildbot/buildbot/build/mariadb-10.1.28/include/mysql/psi/mysql_thread.h:1202
#2  timer_handler (arg=<optimized out>) at /home/buildbot/buildbot/build/mariadb-10.1.28/mysys/thr_timer.c:292
#3  0x00007fc7ea24d6ba in start_thread (arg=0x7fc7e73ff700) at pthread_create.c:333
#4  0x00007fc7e98f83dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 20 (Thread 0x7fc7bbeccb00 (LWP 17465)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x000055f1d716751a in inline_mysql_cond_timedwait (src_file=0x55f1d7715d58 "/home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc", src_line=1134, abstime=0x7fc7bbecc070, mutex=0x7fc7d179b608, that=0x7fc7bbecc0d0) at /home/buildbot/buildbot/build/mariadb-10.1.28/include/mysql/psi/mysql_thread.h:1202
#2  get_event (current_thread=current_thread@entry=0x7fc7bbecc0b0, thread_group=thread_group@entry=0x7fc7d179b608, abstime=abstime@entry=0x7fc7bbecc070) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc:1134
#3  0x000055f1d7167745 in worker_main (param=0x7fc7d179b608) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc:1496
#4  0x00007fc7ea24d6ba in start_thread (arg=0x7fc7bbeccb00) at pthread_create.c:333
#5  0x00007fc7e98f83dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 19 (Thread 0x7fc7b52d4b00 (LWP 19642)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x000055f1d716751a in inline_mysql_cond_timedwait (src_file=0x55f1d7715d58 "/home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc", src_line=1134, abstime=0x7fc7b52d4070, mutex=0x7fc7d179b208, that=0x7fc7b52d40d0) at /home/buildbot/buildbot/build/mariadb-10.1.28/include/mysql/psi/mysql_thread.h:1202
#2  get_event (current_thread=current_thread@entry=0x7fc7b52d40b0, thread_group=thread_group@entry=0x7fc7d179b208, abstime=abstime@entry=0x7fc7b52d4070) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc:1134
#3  0x000055f1d7167745 in worker_main (param=0x7fc7d179b208) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc:1496
#4  0x00007fc7ea24d6ba in start_thread (arg=0x7fc7b52d4b00) at pthread_create.c:333
#5  0x00007fc7e98f83dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 18 (Thread 0x7fc7bcff7700 (LWP 5141)):
#0  0x00007fc7eb60d64a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000055f1d747b793 in os_aio_linux_collect (seg_size=256, segment=<optimized out>, array=0x7fc7e810d1f0) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/os/os0file.cc:5387
#2  os_aio_linux_handle (global_seg=global_seg@entry=8, message1=message1@entry=0x7fc7bcff6d00, message2=message2@entry=0x7fc7bcff6d08, type=type@entry=0x7fc7bcff6d10, space_id=space_id@entry=0x7fc7bcff6d18) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/os/os0file.cc:5541
#3  0x000055f1d75b4bda in fil_aio_wait (segment=segment@entry=8) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/fil/fil0fil.cc:6510
#4  0x000055f1d74effc0 in io_handler_thread (arg=<optimized out>) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/srv/srv0start.cc:585
#5  0x00007fc7ea24d6ba in start_thread (arg=0x7fc7bcff7700) at pthread_create.c:333
#6  0x00007fc7e98f83dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 17 (Thread 0x7fc7b8ffe700 (LWP 5148)):
#0  0x00007fc7e98ee593 in select () at ../sysdeps/unix/syscall-template.S:84
#1  0x000055f1d747e97f in os_thread_sleep (tm=tm@entry=1000000) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/os/os0thread.cc:307
#2  0x000055f1d74edd18 in srv_master_sleep () at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/srv/srv0srv.cc:3121
#3  srv_master_thread (arg=<optimized out>) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/srv/srv0srv.cc:3171
#4  0x00007fc7ea24d6ba in start_thread (arg=0x7fc7b8ffe700) at pthread_create.c:333
#5  0x00007fc7e98f83dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 16 (Thread 0x7fc7b77fb700 (LWP 5151)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x000055f1d747e01b in os_cond_wait (fast_mutex=0x7fc7e806d160, cond=0x7fc7e806d198) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/os/os0sync.cc:196
#2  os_event_wait_low (event=0x7fc7e806d160, reset_sig_count=reset_sig_count@entry=1) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/os/os0sync.cc:477
#3  0x000055f1d74ef94f in srv_resume_thread (timeout_usec=0, wait=true, sig_count=1, slot=0x55f1d86b1be8 <srv_sys+488>) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/srv/srv0srv.cc:1088
#4  srv_purge_coordinator_suspend (rseg_history_len=<optimized out>, slot=<optimized out>) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/srv/srv0srv.cc:3487
#5  srv_purge_coordinator_thread (arg=<optimized out>) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/srv/srv0srv.cc:3578
#6  0x00007fc7ea24d6ba in start_thread (arg=0x7fc7b77fb700) at pthread_create.c:333
#7  0x00007fc7e98f83dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 15 (Thread 0x7fc7ba7fe700 (LWP 5147)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x000055f1d747e176 in os_cond_wait_timed (abstime=0x7fc7ba7fdc10, fast_mutex=0x7fc7e806d1d0, cond=0x7fc7e806d208) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/os/os0sync.cc:159
#2  os_event_wait_time_low (event=0x7fc7e806d1d0, time_in_usec=time_in_usec@entry=1000000, reset_sig_count=1) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/os/os0sync.cc:591
#3  0x000055f1d74ec6b6 in srv_error_monitor_thread () at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/srv/srv0srv.cc:2429
#4  0x00007fc7ea24d6ba in start_thread (arg=0x7fc7ba7fe700) at pthread_create.c:333
#5  0x00007fc7e98f83dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 14 (Thread 0x7fc7ebb31b00 (LWP 5158)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x000055f1d6f7b7f3 in inline_mysql_cond_wait (that=<optimized out>, mutex=<optimized out>, src_file=0x55f1d769dd98 "/home/buildbot/buildbot/build/mariadb-10.1.28/sql/slave.cc", src_line=336) at /home/buildbot/buildbot/build/mariadb-10.1.28/include/mysql/psi/mysql_thread.h:1165
#2  handle_slave_background (arg=<optimized out>) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/slave.cc:336
#3  0x00007fc7ea24d6ba in start_thread (arg=0x7fc7ebb31b00) at pthread_create.c:333
#4  0x00007fc7e98f83dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 13 (Thread 0x7fc7bd7f8700 (LWP 5140)):
#0  0x00007fc7eb60d64a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000055f1d747b793 in os_aio_linux_collect (seg_size=256, segment=<optimized out>, array=0x7fc7e810d1f0) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/os/os0file.cc:5387
#2  os_aio_linux_handle (global_seg=global_seg@entry=7, message1=message1@entry=0x7fc7bd7f7d00, message2=message2@entry=0x7fc7bd7f7d08, type=type@entry=0x7fc7bd7f7d10, space_id=space_id@entry=0x7fc7bd7f7d18) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/os/os0file.cc:5541
#3  0x000055f1d75b4bda in fil_aio_wait (segment=segment@entry=7) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/fil/fil0fil.cc:6510
#4  0x000055f1d74effc0 in io_handler_thread (arg=<optimized out>) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/srv/srv0start.cc:585
#5  0x00007fc7ea24d6ba in start_thread (arg=0x7fc7bd7f8700) at pthread_create.c:333
#6  0x00007fc7e98f83dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 12 (Thread 0x7fc7b9e8ab00 (LWP 16888)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x000055f1d716751a in inline_mysql_cond_timedwait (src_file=0x55f1d7715d58 "/home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc", src_line=1134, abstime=0x7fc7b9e8a070, mutex=0x7fc7d179b608, that=0x7fc7b9e8a0d0) at /home/buildbot/buildbot/build/mariadb-10.1.28/include/mysql/psi/mysql_thread.h:1202
#2  get_event (current_thread=current_thread@entry=0x7fc7b9e8a0b0, thread_group=thread_group@entry=0x7fc7d179b608, abstime=abstime@entry=0x7fc7b9e8a070) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc:1134
#3  0x000055f1d7167745 in worker_main (param=0x7fc7d179b608) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc:1496
#4  0x00007fc7ea24d6ba in start_thread (arg=0x7fc7b9e8ab00) at pthread_create.c:333
#5  0x00007fc7e98f83dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 11 (Thread 0x7fc7b53fcb00 (LWP 21785)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x000055f1d716751a in inline_mysql_cond_timedwait (src_file=0x55f1d7715d58 "/home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc", src_line=1134, abstime=0x7fc7b53fc070, mutex=0x7fc7d179b008, that=0x7fc7b53fc0d0) at /home/buildbot/buildbot/build/mariadb-10.1.28/include/mysql/psi/mysql_thread.h:1202
#2  get_event (current_thread=current_thread@entry=0x7fc7b53fc0b0, thread_group=thread_group@entry=0x7fc7d179b008, abstime=abstime@entry=0x7fc7b53fc070) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc:1134
#3  0x000055f1d7167745 in worker_main (param=0x7fc7d179b008) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc:1496
#4  0x00007fc7ea24d6ba in start_thread (arg=0x7fc7b53fcb00) at pthread_create.c:333
#5  0x00007fc7e98f83dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 10 (Thread 0x7fc7b9df6b00 (LWP 21607)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x000055f1d716751a in inline_mysql_cond_timedwait (src_file=0x55f1d7715d58 "/home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc", src_line=1134, abstime=0x7fc7b9df6070, mutex=0x7fc7d179b408, that=0x7fc7b9df60d0) at /home/buildbot/buildbot/build/mariadb-10.1.28/include/mysql/psi/mysql_thread.h:1202
#2  get_event (current_thread=current_thread@entry=0x7fc7b9df60b0, thread_group=thread_group@entry=0x7fc7d179b408, abstime=abstime@entry=0x7fc7b9df6070) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc:1134
#3  0x000055f1d7167745 in worker_main (param=0x7fc7d179b408) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc:1496
#4  0x00007fc7ea24d6ba in start_thread (arg=0x7fc7b9df6b00) at pthread_create.c:333
#5  0x00007fc7e98f83dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7fc7bdff9700 (LWP 5139)):
#0  0x00007fc7eb60d64a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000055f1d747b793 in os_aio_linux_collect (seg_size=256, segment=<optimized out>, array=0x7fc7e810d1f0) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/os/os0file.cc:5387
#2  os_aio_linux_handle (global_seg=global_seg@entry=6, message1=message1@entry=0x7fc7bdff8d00, message2=message2@entry=0x7fc7bdff8d08, type=type@entry=0x7fc7bdff8d10, space_id=space_id@entry=0x7fc7bdff8d18) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/os/os0file.cc:5541
#3  0x000055f1d75b4bda in fil_aio_wait (segment=segment@entry=6) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/fil/fil0fil.cc:6510
#4  0x000055f1d74effc0 in io_handler_thread (arg=<optimized out>) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/srv/srv0start.cc:585
#5  0x00007fc7ea24d6ba in start_thread (arg=0x7fc7bdff9700) at pthread_create.c:333
#6  0x00007fc7e98f83dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7fc7b6f65b00 (LWP 21463)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x000055f1d716751a in inline_mysql_cond_timedwait (src_file=0x55f1d7715d58 "/home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc", src_line=1134, abstime=0x7fc7b6f65070, mutex=0x7fc7d179b408, that=0x7fc7b6f650d0) at /home/buildbot/buildbot/build/mariadb-10.1.28/include/mysql/psi/mysql_thread.h:1202
#2  get_event (current_thread=current_thread@entry=0x7fc7b6f650b0, thread_group=thread_group@entry=0x7fc7d179b408, abstime=abstime@entry=0x7fc7b6f65070) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc:1134
#3  0x000055f1d7167745 in worker_main (param=0x7fc7d179b408) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc:1496
#4  0x00007fc7ea24d6ba in start_thread (arg=0x7fc7b6f65b00) at pthread_create.c:333
#5  0x00007fc7e98f83dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7fc7be7fa700 (LWP 5138)):
#0  0x00007fc7eb60d64a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000055f1d747b793 in os_aio_linux_collect (seg_size=256, segment=<optimized out>, array=0x7fc7e810d100) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/os/os0file.cc:5387
#2  os_aio_linux_handle (global_seg=global_seg@entry=5, message1=message1@entry=0x7fc7be7f9d00, message2=message2@entry=0x7fc7be7f9d08, type=type@entry=0x7fc7be7f9d10, space_id=space_id@entry=0x7fc7be7f9d18) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/os/os0file.cc:5541
#3  0x000055f1d75b4bda in fil_aio_wait (segment=segment@entry=5) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/fil/fil0fil.cc:6510
#4  0x000055f1d74effc0 in io_handler_thread (arg=<optimized out>) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/srv/srv0start.cc:585
#5  0x00007fc7ea24d6ba in start_thread (arg=0x7fc7be7fa700) at pthread_create.c:333
#6  0x00007fc7e98f83dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7fc7b1369b00 (LWP 19751)):
#0  0x00007fc7e98f89d3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:84
#1  0x000055f1d7166efb in io_poll_wait (pollfd=21, native_events=native_events@entry=0x7fc7b1365f50, maxevents=maxevents@entry=1024, timeout_ms=timeout_ms@entry=-1) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc:285
#2  0x000055f1d7166f76 in listener (thread_group=thread_group@entry=0x7fc7d179b008, current_thread=0x7fc7b13690b0) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc:652
#3  0x000055f1d71675c7 in get_event (current_thread=current_thread@entry=0x7fc7b13690b0, thread_group=thread_group@entry=0x7fc7d179b008, abstime=abstime@entry=0x7fc7b1369070) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc:1096
#4  0x000055f1d7167745 in worker_main (param=0x7fc7d179b008) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc:1496
#5  0x00007fc7ea24d6ba in start_thread (arg=0x7fc7b1369b00) at pthread_create.c:333
#6  0x00007fc7e98f83dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7fc7beffb700 (LWP 5137)):
#0  0x00007fc7eb60d64a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000055f1d747b793 in os_aio_linux_collect (seg_size=256, segment=<optimized out>, array=0x7fc7e810d100) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/os/os0file.cc:5387
#2  os_aio_linux_handle (global_seg=global_seg@entry=4, message1=message1@entry=0x7fc7beffad00, message2=message2@entry=0x7fc7beffad08, type=type@entry=0x7fc7beffad10, space_id=space_id@entry=0x7fc7beffad18) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/os/os0file.cc:5541
#3  0x000055f1d75b4bda in fil_aio_wait (segment=segment@entry=4) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/fil/fil0fil.cc:6510
#4  0x000055f1d74effc0 in io_handler_thread (arg=<optimized out>) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/srv/srv0start.cc:585
#5  0x00007fc7ea24d6ba in start_thread (arg=0x7fc7beffb700) at pthread_create.c:333
#6  0x00007fc7e98f83dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7fc7bf7fc700 (LWP 5136)):
#0  0x00007fc7eb60d64a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000055f1d747b793 in os_aio_linux_collect (seg_size=256, segment=<optimized out>, array=0x7fc7e810d100) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/os/os0file.cc:5387
#2  os_aio_linux_handle (global_seg=global_seg@entry=3, message1=message1@entry=0x7fc7bf7fbd00, message2=message2@entry=0x7fc7bf7fbd08, type=type@entry=0x7fc7bf7fbd10, space_id=space_id@entry=0x7fc7bf7fbd18) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/os/os0file.cc:5541
#3  0x000055f1d75b4bda in fil_aio_wait (segment=segment@entry=3) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/fil/fil0fil.cc:6510
#4  0x000055f1d74effc0 in io_handler_thread (arg=<optimized out>) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/srv/srv0start.cc:585
#5  0x00007fc7ea24d6ba in start_thread (arg=0x7fc7bf7fc700) at pthread_create.c:333
#6  0x00007fc7e98f83dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7fc7eba9db00 (LWP 19216)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x000055f1d716751a in inline_mysql_cond_timedwait (src_file=0x55f1d7715d58 "/home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc", src_line=1134, abstime=0x7fc7eba9d070, mutex=0x7fc7d179b408, that=0x7fc7eba9d0d0) at /home/buildbot/buildbot/build/mariadb-10.1.28/include/mysql/psi/mysql_thread.h:1202
#2  get_event (current_thread=current_thread@entry=0x7fc7eba9d0b0, thread_group=thread_group@entry=0x7fc7d179b408, abstime=abstime@entry=0x7fc7eba9d070) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc:1134
#3  0x000055f1d7167745 in worker_main (param=0x7fc7d179b408) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc:1496
#4  0x00007fc7ea24d6ba in start_thread (arg=0x7fc7eba9db00) at pthread_create.c:333
#5  0x00007fc7e98f83dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7fc7bfffd700 (LWP 5135)):
#0  0x00007fc7eb60d64a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000055f1d747b793 in os_aio_linux_collect (seg_size=256, segment=<optimized out>, array=0x7fc7e810d100) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/os/os0file.cc:5387
#2  os_aio_linux_handle (global_seg=global_seg@entry=2, message1=message1@entry=0x7fc7bfffcd00, message2=message2@entry=0x7fc7bfffcd08, type=type@entry=0x7fc7bfffcd10, space_id=space_id@entry=0x7fc7bfffcd18) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/os/os0file.cc:5541
#3  0x000055f1d75b4bda in fil_aio_wait (segment=segment@entry=2) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/fil/fil0fil.cc:6510
#4  0x000055f1d74effc0 in io_handler_thread (arg=<optimized out>) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/xtradb/srv/srv0start.cc:585
#5  0x00007fc7ea24d6ba in start_thread (arg=0x7fc7bfffd700) at pthread_create.c:333
#6  0x00007fc7e98f83dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7fc7d19a4b00 (LWP 22960)):
#0  __pthread_kill (threadid=<optimized out>, signo=signo@entry=11) at ../sysdeps/unix/sysv/linux/pthread_kill.c:62
#1  0x000055f1d7647107 in my_write_core (sig=sig@entry=11) at /home/buildbot/buildbot/build/mariadb-10.1.28/mysys/stacktrace.c:477
#2  0x000055f1d71900ac in handle_fatal_signal (sig=11) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/signal_handler.cc:296
#3  <signal handler called>
#4  0x000055f1d73cbc0e in _mi_pack_key (info=info@entry=0x7fc7b4e29008, keynr=keynr@entry=64, key=key@entry=0x7fc7b4e2b05e "\rmarket_orders\022market_orders_itbt_atomic", old=0x7fc7d19a1050 "\r", keypart_map=keypart_map@entry=3, last_used_keyseg=last_used_keyseg@entry=0x7fc7d199f988) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/myisam/mi_key.c:234
#5  0x000055f1d73f0dbc in mi_rkey (info=0x7fc7b4e29008, buf=0x7fc7ac5a6120 "\377\rmarket_orders", inx=64, key=<optimized out>, keypart_map=3, search_flag=HA_READ_KEY_EXACT) at /home/buildbot/buildbot/build/mariadb-10.1.28/storage/myisam/mi_rkey.c:62
#6  0x000055f1d71954a1 in handler::ha_index_read_map (this=this@entry=0x7fc7b1dcdb20, buf=0x7fc7ac5a6120 "\377\rmarket_orders", key=key@entry=0x7fc7d19a1050 "\r", keypart_map=keypart_map@entry=3, find_flag=find_flag@entry=HA_READ_KEY_EXACT) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/handler.cc:2652
#7  0x000055f1d707b714 in Stat_table_write_iter::init (n_keyparts=2, this=0x7fc7d19a0e30) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/sql_statistics.cc:1464
#8  rename_table_in_stat_tables (thd=thd@entry=0x7fc7a5620008, db=db@entry=0x7fc7d19a1cf0, tab=tab@entry=0x7fc7d19a1d00, new_db=new_db@entry=0x7fc7d19a1d20, new_tab=new_tab@entry=0x7fc7d19a1d10) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/sql_statistics.cc:3547
#9  0x000055f1d70187d2 in do_rename (skip_error=false, new_table_alias=<optimized out>, new_table_name=<optimized out>, new_db=0x7fc7acbf5f58 "market_orders", ren_table=0x7fc7acbf5350, thd=0x7fc7a5620008) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/sql_rename.cc:301
#10 rename_tables (thd=thd@entry=0x7fc7a5620008, table_list=table_list@entry=0x7fc7acbf4698, skip_error=skip_error@entry=false) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/sql_rename.cc:379
#11 0x000055f1d7018a6e in mysql_rename_tables (thd=thd@entry=0x7fc7a5620008, table_list=table_list@entry=0x7fc7acbf4698, silent=silent@entry=false) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/sql_rename.cc:153
#12 0x000055f1d6fff0b3 in mysql_execute_command (thd=thd@entry=0x7fc7a5620008) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/sql_parse.cc:3644
#13 0x000055f1d7002ce1 in mysql_parse (thd=thd@entry=0x7fc7a5620008, rawbuf=rawbuf@entry=0x7fc7acbf018d "RENAME TABLE market_orders_ccjp TO market_orders_ccjp_atomic, market_orders_ccjp_new  TO market_orders_ccjp;  DROP TABLE market_orders_ccjp_atomic", length=length@entry=146, parser_state=parser_state@entry=0x7fc7d19a33a0) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/sql_parse.cc:7333
#14 0x000055f1d7006178 in dispatch_command (command=command@entry=COM_QUERY, thd=thd@entry=0x7fc7a5620008, packet=packet@entry=0x7fc7a7482009 "", packet_length=packet_length@entry=511) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/sql_parse.cc:1571
#15 0x000055f1d7006c09 in do_command (thd=thd@entry=0x7fc7a5620008) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/sql_parse.cc:1106
#16 0x000055f1d7115c9f in threadpool_process_request (thd=0x7fc7a5620008) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_common.cc:271
#17 0x000055f1d7167805 in handle_event (connection=0x7fc7a4842208) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc:1452
#18 worker_main (param=0x7fc7d179b008) at /home/buildbot/buildbot/build/mariadb-10.1.28/sql/threadpool_unix.cc:1500
#19 0x00007fc7ea24d6ba in start_thread (arg=0x7fc7d19a4b00) at pthread_create.c:333
#20 0x00007fc7e98f83dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109