[New LWP 16941] [New LWP 16943] [New LWP 16947] [New LWP 16900] [New LWP 16945] [New LWP 16908] [New LWP 16902] [New LWP 16922] [New LWP 16907] [New LWP 16901] [New LWP 16919] [New LWP 16918] [New LWP 16915] [New LWP 16906] [New LWP 16923] [New LWP 16905] [New LWP 16926] [New LWP 16925] [New LWP 16904] [New LWP 16920] [New LWP 16913] [New LWP 16935] [New LWP 16927] [New LWP 16910] [New LWP 16911] [New LWP 16924] [New LWP 16928] [New LWP 16914] [New LWP 16909] [New LWP 16903] [New LWP 16916] [New LWP 16929] [New LWP 16930] [New LWP 16917] [New LWP 16898] [New LWP 16921] [New LWP 16934] [New LWP 16949] [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". Core was generated by `/data/bld/10.3/bin/mysqld --no-defaults --basedir=/data/bld/10.3 --lc-messages-'. Program terminated with signal SIGABRT, Aborted. #0 0x00007fa0c6d1e0c1 in __pthread_kill (threadid=, signo=6) at ../nptl/sysdeps/unix/sysv/linux/pthread_kill.c:61 Thread 38 (Thread 0x7fa094194700 (LWP 16949)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238 #1 0x00007fa0c825cbe8 in safe_cond_timedwait (cond=0x7fa030000cb0, mp=0x7fa030000c00, abstime=0x7fa09418ffd0, file=0x7fa0c834e200 "/data/src/10.3/include/mysql/psi/mysql_thread.h", line=1186) at /data/src/10.3/mysys/thr_mutex.c:546 #2 0x00007fa0c7902e45 in inline_mysql_cond_timedwait (that=0x7fa030000cb0, mutex=0x7fa030000c00, abstime=0x7fa09418ffd0, src_file=0x7fa0c834e47a "/data/src/10.3/sql/mdl.cc", src_line=1093) at /data/src/10.3/include/mysql/psi/mysql_thread.h:1186 #3 0x00007fa0c790425d in MDL_wait::timed_wait (this=0x7fa030000c00, owner=0x7fa030000bb0, abs_timeout=0x7fa09418ffd0, set_status_on_timeout=false, wait_state_name=0x7fa0c8cfddf0 ) at /data/src/10.3/sql/mdl.cc:1093 #4 0x00007fa0c7905d05 in MDL_context::acquire_lock (this=0x7fa030000c00, mdl_request=0x7fa030013dc0, lock_wait_timeout=86400) at /data/src/10.3/sql/mdl.cc:2147 #5 0x00007fa0c79061ba in MDL_context::acquire_locks (this=0x7fa030000c00, mdl_requests=0x7fa094190110, lock_wait_timeout=86400) at /data/src/10.3/sql/mdl.cc:2267 #6 0x00007fa0c7729bf9 in lock_table_names (thd=0x7fa030000b00, options=..., tables_start=0x7fa030013978, tables_end=0x0, lock_wait_timeout=86400, flags=0) at /data/src/10.3/sql/sql_base.cc:3736 #7 0x00007fa0c772a167 in open_tables (thd=0x7fa030000b00, options=..., start=0x7fa094190488, counter=0x7fa0941904b8, flags=0, prelocking_strategy=0x7fa0941904d0) at /data/src/10.3/sql/sql_base.cc:3954 #8 0x00007fa0c78674c5 in open_tables (thd=0x7fa030000b00, tables=0x7fa094190488, counter=0x7fa0941904b8, flags=0, prelocking_strategy=0x7fa0941904d0) at /data/src/10.3/sql/sql_base.h:238 #9 0x00007fa0c787ea81 in mysql_alter_table (thd=0x7fa030000b00, new_db=0x7fa030013f88 "test", new_name=0x0, create_info=0x7fa094191db0, table_list=0x7fa030013978, alter_info=0x7fa094191d00, order_num=0, order=0x0, ignore=true) at /data/src/10.3/sql/sql_table.cc:8790 #10 0x00007fa0c790088b in Sql_cmd_alter_table::execute (this=0x7fa030014078, thd=0x7fa030000b00) at /data/src/10.3/sql/sql_alter.cc:331 #11 0x00007fa0c77b18f8 in mysql_execute_command (thd=0x7fa030000b00) at /data/src/10.3/sql/sql_parse.cc:6251 #12 0x00007fa0c77b6308 in mysql_parse (thd=0x7fa030000b00, rawbuf=0x7fa030013828 "ALTER IGNORE TABLE t1 ALTER COLUMN `pk` SET DEFAULT NULL /* QNO 639 CON_ID 20 */", length=80, parser_state=0x7fa094193660, is_com_multi=false, is_next_command=false) at /data/src/10.3/sql/sql_parse.cc:7966 #13 0x00007fa0c77a3c7d in dispatch_command (command=COM_QUERY, thd=0x7fa030000b00, packet=0x7fa03000b061 "ALTER IGNORE TABLE t1 ALTER COLUMN `pk` SET DEFAULT NULL /* QNO 639 CON_ID 20 */ ", packet_length=81, is_com_multi=false, is_next_command=false) at /data/src/10.3/sql/sql_parse.cc:1824 #14 0x00007fa0c77a26b1 in do_command (thd=0x7fa030000b00) at /data/src/10.3/sql/sql_parse.cc:1369 #15 0x00007fa0c78fb400 in do_handle_one_connection (connect=0x7fa0cb691430) at /data/src/10.3/sql/sql_connect.cc:1420 #16 0x00007fa0c78fb18d in handle_one_connection (arg=0x7fa0cb691430) at /data/src/10.3/sql/sql_connect.cc:1326 #17 0x00007fa0c6d19064 in start_thread (arg=0x7fa094194700) at pthread_create.c:309 #18 0x00007fa0c516c62d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 37 (Thread 0x7fa0c4183700 (LWP 16934)): #0 0x00007fa0c5163aed in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x00007fa0c82bd89d in vio_io_wait (vio=0x7fa0cad3f3d0, event=VIO_IO_EVENT_READ, timeout=28800000) at /data/src/10.3/vio/viosocket.c:974 #2 0x00007fa0c82bbf5b in vio_socket_io_wait (vio=0x7fa0cad3f3d0, event=VIO_IO_EVENT_READ) at /data/src/10.3/vio/viosocket.c:119 #3 0x00007fa0c82bc145 in vio_read (vio=0x7fa0cad3f3d0, buf=0x7fa04400b060 "\a", size=4) at /data/src/10.3/vio/viosocket.c:196 #4 0x00007fa0c76c3ee3 in my_real_read (net=0x7fa044000dc8, complen=0x7fa0c4182da0, header=1 '\001') at /data/src/10.3/sql/net_serv.cc:952 #5 0x00007fa0c76c4755 in my_net_read_packet_reallen (net=0x7fa044000dc8, read_from_server=1 '\001', reallen=0x7fa0c4182e08) at /data/src/10.3/sql/net_serv.cc:1233 #6 0x00007fa0c76c4709 in my_net_read_packet (net=0x7fa044000dc8, read_from_server=1 '\001') at /data/src/10.3/sql/net_serv.cc:1217 #7 0x00007fa0c77a21fc in do_command (thd=0x7fa044000b00) at /data/src/10.3/sql/sql_parse.cc:1250 #8 0x00007fa0c78fb400 in do_handle_one_connection (connect=0x7fa0cb733220) at /data/src/10.3/sql/sql_connect.cc:1420 #9 0x00007fa0c78fb18d in handle_one_connection (arg=0x7fa0cb733220) at /data/src/10.3/sql/sql_connect.cc:1326 #10 0x00007fa0c6d19064 in start_thread (arg=0x7fa0c4183700) at pthread_create.c:309 #11 0x00007fa0c516c62d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 36 (Thread 0x7fa0977fe700 (LWP 16921)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007fa0c7db554a in os_event::wait (this=0x7fa0cad65980) at /data/src/10.3/storage/innobase/os/os0event.cc:166 #2 0x00007fa0c7db4f59 in os_event::wait_low (this=0x7fa0cad65980, reset_sig_count=34) at /data/src/10.3/storage/innobase/os/os0event.cc:336 #3 0x00007fa0c7db52ff in os_event_wait_low (event=0x7fa0cad65980, reset_sig_count=0) at /data/src/10.3/storage/innobase/os/os0event.cc:535 #4 0x00007fa0c7eb6d04 in srv_resume_thread (slot=0x7fa0c8d17ff8 , sig_count=0, wait=true, timeout_usec=0) at /data/src/10.3/storage/innobase/srv/srv0srv.cc:916 #5 0x00007fa0c7ebaaa6 in srv_worker_thread (arg=0x0) at /data/src/10.3/storage/innobase/srv/srv0srv.cc:2582 #6 0x00007fa0c6d19064 in start_thread (arg=0x7fa0977fe700) at pthread_create.c:309 #7 0x00007fa0c516c62d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 35 (Thread 0x7fa0c8ba8740 (LWP 16898)): #0 0x00007fa0c5163aed in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x00007fa0c76baba4 in handle_connections_sockets () at /data/src/10.3/sql/mysqld.cc:6688 #2 0x00007fa0c76b9e61 in mysqld_main (argc=22, argv=0x7fa0cacae000) at /data/src/10.3/sql/mysqld.cc:6153 #3 0x00007fa0c76ae3e0 in main (argc=22, argv=0x7fff070f3248) at /data/src/10.3/sql/main.cc:25 Thread 34 (Thread 0x7fa0a5d07700 (LWP 16917)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238 #1 0x00007fa0c7db4def in os_event::timed_wait (this=0x7fa0cb333280, abstime=0x7fa0a5d06c90) at /data/src/10.3/storage/innobase/os/os0event.cc:286 #2 0x00007fa0c7db50f9 in os_event::wait_time_low (this=0x7fa0cb333280, time_in_usec=5000000, reset_sig_count=1) at /data/src/10.3/storage/innobase/os/os0event.cc:413 #3 0x00007fa0c7db52da in os_event_wait_time_low (event=0x7fa0cb333280, time_in_usec=5000000, reset_sig_count=1) at /data/src/10.3/storage/innobase/os/os0event.cc:518 #4 0x00007fa0c7f27610 in ib_wqueue_timedwait (wq=0x7fa0cb3331f0, wait_in_usecs=5000000) at /data/src/10.3/storage/innobase/ut/ut0wqueue.cc:163 #5 0x00007fa0c807841e in fts_optimize_thread (arg=0x7fa0cb3331f0) at /data/src/10.3/storage/innobase/fts/fts0opt.cc:3032 #6 0x00007fa0c6d19064 in start_thread (arg=0x7fa0a5d07700) at pthread_create.c:309 #7 0x00007fa0c516c62d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 33 (Thread 0x7fa0c41cd700 (LWP 16930)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007fa0c825c8de in safe_cond_wait (cond=0x7fa0c8ed82c0 , mp=0x7fa0c8edb640 , file=0x7fa0c82fb680 "/data/src/10.3/include/mysql/psi/mysql_thread.h", line=1149) at /data/src/10.3/mysys/thr_mutex.c:492 #2 0x00007fa0c76ddb32 in inline_mysql_cond_wait (that=0x7fa0c8ed82c0 , mutex=0x7fa0c8edb640 , src_file=0x7fa0c82fbfa5 "/data/src/10.3/sql/slave.cc", src_line=506) at /data/src/10.3/include/mysql/psi/mysql_thread.h:1149 #3 0x00007fa0c76deee2 in handle_slave_background (arg=0x0) at /data/src/10.3/sql/slave.cc:506 #4 0x00007fa0c6d19064 in start_thread (arg=0x7fa0c41cd700) at pthread_create.c:309 #5 0x00007fa0c516c62d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 32 (Thread 0x7fa0c4217700 (LWP 16929)): #0 do_sigwait (set=, sig=0x7fa0c4216e50) at ../nptl/sysdeps/unix/sysv/linux/../../../../../sysdeps/unix/sysv/linux/sigwait.c:63 #1 0x00007fa0c6d20653 in __sigwait (set=0x7fa0c4216e80, sig=0x0) at ../nptl/sysdeps/unix/sysv/linux/../../../../../sysdeps/unix/sysv/linux/sigwait.c:97 #2 0x00007fa0c76b4b6c in signal_hand (arg=0x0) at /data/src/10.3/sql/mysqld.cc:3537 #3 0x00007fa0c6d19064 in start_thread (arg=0x7fa0c4217700) at pthread_create.c:309 #4 0x00007fa0c516c62d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 31 (Thread 0x7fa0a6508700 (LWP 16916)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238 #1 0x00007fa0c7db4def in os_event::timed_wait (this=0x7fa0cb306840, abstime=0x7fa0a6507e90) at /data/src/10.3/storage/innobase/os/os0event.cc:286 #2 0x00007fa0c7db50f9 in os_event::wait_time_low (this=0x7fa0cb306840, time_in_usec=10000000, reset_sig_count=2) at /data/src/10.3/storage/innobase/os/os0event.cc:413 #3 0x00007fa0c7db52da in os_event_wait_time_low (event=0x7fa0cb306840, time_in_usec=10000000, reset_sig_count=0) at /data/src/10.3/storage/innobase/os/os0event.cc:518 #4 0x00007fa0c8014035 in dict_stats_thread () at /data/src/10.3/storage/innobase/dict/dict0stats_bg.cc:458 #5 0x00007fa0c6d19064 in start_thread (arg=0x7fa0a6508700) at pthread_create.c:309 #6 0x00007fa0c516c62d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 30 (Thread 0x7fa0ac73a700 (LWP 16903)): #0 0x00007fa0c6b0f6ea in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x00007fa0c7da8243 in LinuxAIOHandler::collect (this=0x7fa0ac739c40) at /data/src/10.3/storage/innobase/os/os0file.cc:1893 #2 0x00007fa0c7da8770 in LinuxAIOHandler::poll (this=0x7fa0ac739c40, m1=0x7fa0ac739ce8, m2=0x7fa0ac739cf0, request=0x7fa0ac739d20) at /data/src/10.3/storage/innobase/os/os0file.cc:2038 #3 0x00007fa0c7da88d0 in os_aio_linux_handler (global_segment=2, m1=0x7fa0ac739ce8, m2=0x7fa0ac739cf0, request=0x7fa0ac739d20) at /data/src/10.3/storage/innobase/os/os0file.cc:2092 #4 0x00007fa0c7dad560 in os_aio_handler (segment=2, m1=0x7fa0ac739ce8, m2=0x7fa0ac739cf0, request=0x7fa0ac739d20) at /data/src/10.3/storage/innobase/os/os0file.cc:5720 #5 0x00007fa0c802e2f2 in fil_aio_wait (segment=2) at /data/src/10.3/storage/innobase/fil/fil0fil.cc:5290 #6 0x00007fa0c7ebddd6 in io_handler_thread (arg=0x7fa0c8f5a2d0 ) at /data/src/10.3/storage/innobase/srv/srv0start.cc:340 #7 0x00007fa0c6d19064 in start_thread (arg=0x7fa0ac73a700) at pthread_create.c:309 #8 0x00007fa0c516c62d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 29 (Thread 0x7fa0a9734700 (LWP 16909)): #0 0x00007fa0c6b0f6ea in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x00007fa0c7da8243 in LinuxAIOHandler::collect (this=0x7fa0a9733c40) at /data/src/10.3/storage/innobase/os/os0file.cc:1893 #2 0x00007fa0c7da8770 in LinuxAIOHandler::poll (this=0x7fa0a9733c40, m1=0x7fa0a9733ce8, m2=0x7fa0a9733cf0, request=0x7fa0a9733d20) at /data/src/10.3/storage/innobase/os/os0file.cc:2038 #3 0x00007fa0c7da88d0 in os_aio_linux_handler (global_segment=8, m1=0x7fa0a9733ce8, m2=0x7fa0a9733cf0, request=0x7fa0a9733d20) at /data/src/10.3/storage/innobase/os/os0file.cc:2092 #4 0x00007fa0c7dad560 in os_aio_handler (segment=8, m1=0x7fa0a9733ce8, m2=0x7fa0a9733cf0, request=0x7fa0a9733d20) at /data/src/10.3/storage/innobase/os/os0file.cc:5720 #5 0x00007fa0c802e2f2 in fil_aio_wait (segment=8) at /data/src/10.3/storage/innobase/fil/fil0fil.cc:5290 #6 0x00007fa0c7ebddd6 in io_handler_thread (arg=0x7fa0c8f5a300 ) at /data/src/10.3/storage/innobase/srv/srv0start.cc:340 #7 0x00007fa0c6d19064 in start_thread (arg=0x7fa0a9734700) at pthread_create.c:309 #8 0x00007fa0c516c62d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 28 (Thread 0x7fa0a750a700 (LWP 16914)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238 #1 0x00007fa0c7db4def in os_event::timed_wait (this=0x7fa0cad65a80, abstime=0x7fa0a7509ce0) at /data/src/10.3/storage/innobase/os/os0event.cc:286 #2 0x00007fa0c7db50f9 in os_event::wait_time_low (this=0x7fa0cad65a80, time_in_usec=1000000, reset_sig_count=1) at /data/src/10.3/storage/innobase/os/os0event.cc:413 #3 0x00007fa0c7db52da in os_event_wait_time_low (event=0x7fa0cad65a80, time_in_usec=1000000, reset_sig_count=1) at /data/src/10.3/storage/innobase/os/os0event.cc:518 #4 0x00007fa0c7eb9139 in srv_error_monitor_thread () at /data/src/10.3/storage/innobase/srv/srv0srv.cc:1904 #5 0x00007fa0c6d19064 in start_thread (arg=0x7fa0a750a700) at pthread_create.c:309 #6 0x00007fa0c516c62d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 27 (Thread 0x7fa0c4261700 (LWP 16928)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007fa0c825c8de in safe_cond_wait (cond=0x7fa0c8f0d848 , mp=0x7fa0c8f0d798 , file=0x7fa0c8482c80 "/data/src/10.3/include/mysql/psi/mysql_thread.h", line=1149) at /data/src/10.3/mysys/thr_mutex.c:492 #2 0x00007fa0c7b7d729 in inline_mysql_cond_wait (that=0x7fa0c8f0d848 , mutex=0x7fa0c8f0d798 , src_file=0x7fa0c84832f4 "/data/src/10.3/sql/log.cc", src_line=9803) at /data/src/10.3/include/mysql/psi/mysql_thread.h:1149 #3 0x00007fa0c7b97ef8 in binlog_background_thread (arg=0x0) at /data/src/10.3/sql/log.cc:9803 #4 0x00007fa0c6d19064 in start_thread (arg=0x7fa0c4261700) at pthread_create.c:309 #5 0x00007fa0c516c62d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 26 (Thread 0x7fa095ffb700 (LWP 16924)): #0 0x00007fa0c6d2014d in nanosleep () at ../sysdeps/unix/syscall-template.S:81 #1 0x00007fa0c7db5841 in os_thread_sleep (tm=1000000) at /data/src/10.3/storage/innobase/os/os0thread.cc:230 #2 0x00007fa0c7f804dc in btr_defragment_thread () at /data/src/10.3/storage/innobase/btr/btr0defragment.cc:762 #3 0x00007fa0c6d19064 in start_thread (arg=0x7fa095ffb700) at pthread_create.c:309 #4 0x00007fa0c516c62d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 25 (Thread 0x7fa0a8732700 (LWP 16911)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238 #1 0x00007fa0c7db4def in os_event::timed_wait (this=0x7fa0cad65c00, abstime=0x7fa0a8731c30) at /data/src/10.3/storage/innobase/os/os0event.cc:286 #2 0x00007fa0c7db50f9 in os_event::wait_time_low (this=0x7fa0cad65c00, time_in_usec=647000, reset_sig_count=2) at /data/src/10.3/storage/innobase/os/os0event.cc:413 #3 0x00007fa0c7db52da in os_event_wait_time_low (event=0x7fa0cad65c00, time_in_usec=647000, reset_sig_count=2) at /data/src/10.3/storage/innobase/os/os0event.cc:518 #4 0x00007fa0c7fb144d in pc_sleep_if_needed (next_loop_time=1514971789612, sig_count=2, cur_time=1514971788965) at /data/src/10.3/storage/innobase/buf/buf0flu.cc:2711 #5 0x00007fa0c7fb265f in buf_flush_page_cleaner_coordinator () at /data/src/10.3/storage/innobase/buf/buf0flu.cc:3209 #6 0x00007fa0c6d19064 in start_thread (arg=0x7fa0a8732700) at pthread_create.c:309 #7 0x00007fa0c516c62d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 24 (Thread 0x7fa0a8f33700 (LWP 16910)): #0 0x00007fa0c6b0f6ea in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x00007fa0c7da8243 in LinuxAIOHandler::collect (this=0x7fa0a8f32c40) at /data/src/10.3/storage/innobase/os/os0file.cc:1893 #2 0x00007fa0c7da8770 in LinuxAIOHandler::poll (this=0x7fa0a8f32c40, m1=0x7fa0a8f32ce8, m2=0x7fa0a8f32cf0, request=0x7fa0a8f32d20) at /data/src/10.3/storage/innobase/os/os0file.cc:2038 #3 0x00007fa0c7da88d0 in os_aio_linux_handler (global_segment=9, m1=0x7fa0a8f32ce8, m2=0x7fa0a8f32cf0, request=0x7fa0a8f32d20) at /data/src/10.3/storage/innobase/os/os0file.cc:2092 #4 0x00007fa0c7dad560 in os_aio_handler (segment=9, m1=0x7fa0a8f32ce8, m2=0x7fa0a8f32cf0, request=0x7fa0a8f32d20) at /data/src/10.3/storage/innobase/os/os0file.cc:5720 #5 0x00007fa0c802e2f2 in fil_aio_wait (segment=9) at /data/src/10.3/storage/innobase/fil/fil0fil.cc:5290 #6 0x00007fa0c7ebddd6 in io_handler_thread (arg=0x7fa0c8f5a308 ) at /data/src/10.3/storage/innobase/srv/srv0start.cc:340 #7 0x00007fa0c6d19064 in start_thread (arg=0x7fa0a8f33700) at pthread_create.c:309 #8 0x00007fa0c516c62d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 23 (Thread 0x7fa08ffff700 (LWP 16927)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238 #1 0x00007fa0c825cbe8 in safe_cond_timedwait (cond=0x7fa0c976a480 , mp=0x7fa0c976a3c0 , abstime=0x7fa08fffee50, file=0x7fa0c86417b0 "/data/src/10.3/include/mysql/psi/mysql_thread.h", line=1186) at /data/src/10.3/mysys/thr_mutex.c:546 #2 0x00007fa0c810f78f in inline_mysql_cond_timedwait (that=0x7fa0c976a480 , mutex=0x7fa0c976a3c0 , abstime=0x7fa08fffee50, src_file=0x7fa0c86417e0 "/data/src/10.3/storage/maria/ma_servicethread.c", src_line=116) at /data/src/10.3/include/mysql/psi/mysql_thread.h:1186 #3 0x00007fa0c810fc52 in my_service_thread_sleep (control=0x7fa0c8d1b9c0 , sleep_time=30000000000) at /data/src/10.3/storage/maria/ma_servicethread.c:115 #4 0x00007fa0c8104577 in ma_checkpoint_background (arg=0x1e) at /data/src/10.3/storage/maria/ma_checkpoint.c:709 #5 0x00007fa0c6d19064 in start_thread (arg=0x7fa08ffff700) at pthread_create.c:309 #6 0x00007fa0c516c62d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 22 (Thread 0x7fa0c4139700 (LWP 16935)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238 #1 0x00007fa0c825cbe8 in safe_cond_timedwait (cond=0x7fa048000cb0, mp=0x7fa048000c00, abstime=0x7fa0c4134fd0, file=0x7fa0c834e200 "/data/src/10.3/include/mysql/psi/mysql_thread.h", line=1186) at /data/src/10.3/mysys/thr_mutex.c:546 #2 0x00007fa0c7902e45 in inline_mysql_cond_timedwait (that=0x7fa048000cb0, mutex=0x7fa048000c00, abstime=0x7fa0c4134fd0, src_file=0x7fa0c834e47a "/data/src/10.3/sql/mdl.cc", src_line=1093) at /data/src/10.3/include/mysql/psi/mysql_thread.h:1186 #3 0x00007fa0c790425d in MDL_wait::timed_wait (this=0x7fa048000c00, owner=0x7fa048000bb0, abs_timeout=0x7fa0c4134fd0, set_status_on_timeout=false, wait_state_name=0x7fa0c8cfddf0 ) at /data/src/10.3/sql/mdl.cc:1093 #4 0x00007fa0c7905d05 in MDL_context::acquire_lock (this=0x7fa048000c00, mdl_request=0x7fa048015f48, lock_wait_timeout=86400) at /data/src/10.3/sql/mdl.cc:2147 #5 0x00007fa0c79061ba in MDL_context::acquire_locks (this=0x7fa048000c00, mdl_requests=0x7fa0c4135110, lock_wait_timeout=86400) at /data/src/10.3/sql/mdl.cc:2267 #6 0x00007fa0c7729bf9 in lock_table_names (thd=0x7fa048000b00, options=..., tables_start=0x7fa048015b00, tables_end=0x0, lock_wait_timeout=86400, flags=0) at /data/src/10.3/sql/sql_base.cc:3736 #7 0x00007fa0c772a167 in open_tables (thd=0x7fa048000b00, options=..., start=0x7fa0c4135488, counter=0x7fa0c41354b8, flags=0, prelocking_strategy=0x7fa0c41354d0) at /data/src/10.3/sql/sql_base.cc:3954 #8 0x00007fa0c78674c5 in open_tables (thd=0x7fa048000b00, tables=0x7fa0c4135488, counter=0x7fa0c41354b8, flags=0, prelocking_strategy=0x7fa0c41354d0) at /data/src/10.3/sql/sql_base.h:238 #9 0x00007fa0c787ea81 in mysql_alter_table (thd=0x7fa048000b00, new_db=0x7fa048016110 "test", new_name=0x0, create_info=0x7fa0c4136db0, table_list=0x7fa048015b00, alter_info=0x7fa0c4136d00, order_num=0, order=0x0, ignore=false) at /data/src/10.3/sql/sql_table.cc:8790 #10 0x00007fa0c790088b in Sql_cmd_alter_table::execute (this=0x7fa048016138, thd=0x7fa048000b00) at /data/src/10.3/sql/sql_alter.cc:331 #11 0x00007fa0c77b18f8 in mysql_execute_command (thd=0x7fa048000b00) at /data/src/10.3/sql/sql_parse.cc:6251 #12 0x00007fa0c77b6308 in mysql_parse (thd=0x7fa048000b00, rawbuf=0x7fa0480159e8 "ALTER TABLE t1 DROP PRIMARY KEY /* QNO 308 CON_ID 15 */", length=55, parser_state=0x7fa0c4138660, is_com_multi=false, is_next_command=false) at /data/src/10.3/sql/sql_parse.cc:7966 #13 0x00007fa0c77a3c7d in dispatch_command (command=COM_QUERY, thd=0x7fa048000b00, packet=0x7fa04801c2f1 "ALTER TABLE t1 DROP PRIMARY KEY /* QNO 308 CON_ID 15 */ ", packet_length=56, is_com_multi=false, is_next_command=false) at /data/src/10.3/sql/sql_parse.cc:1824 #14 0x00007fa0c77a26b1 in do_command (thd=0x7fa048000b00) at /data/src/10.3/sql/sql_parse.cc:1369 #15 0x00007fa0c78fb400 in do_handle_one_connection (connect=0x7fa0cb7460c0) at /data/src/10.3/sql/sql_connect.cc:1420 #16 0x00007fa0c78fb18d in handle_one_connection (arg=0x7fa0cb7460c0) at /data/src/10.3/sql/sql_connect.cc:1326 #17 0x00007fa0c6d19064 in start_thread (arg=0x7fa0c4139700) at pthread_create.c:309 #18 0x00007fa0c516c62d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 21 (Thread 0x7fa0a7d0b700 (LWP 16913)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238 #1 0x00007fa0c7db4def in os_event::timed_wait (this=0x7fa0cb303020, abstime=0x7fa0a7d0ae80) at /data/src/10.3/storage/innobase/os/os0event.cc:286 #2 0x00007fa0c7db50f9 in os_event::wait_time_low (this=0x7fa0cb303020, time_in_usec=1000000, reset_sig_count=1) at /data/src/10.3/storage/innobase/os/os0event.cc:413 #3 0x00007fa0c7db52da in os_event_wait_time_low (event=0x7fa0cb303020, time_in_usec=1000000, reset_sig_count=1) at /data/src/10.3/storage/innobase/os/os0event.cc:518 #4 0x00007fa0c7d80434 in lock_wait_timeout_thread () at /data/src/10.3/storage/innobase/lock/lock0wait.cc:547 #5 0x00007fa0c6d19064 in start_thread (arg=0x7fa0a7d0b700) at pthread_create.c:309 #6 0x00007fa0c516c62d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 20 (Thread 0x7fa097fff700 (LWP 16920)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007fa0c7db554a in os_event::wait (this=0x7fa0cad65900) at /data/src/10.3/storage/innobase/os/os0event.cc:166 #2 0x00007fa0c7db4f59 in os_event::wait_low (this=0x7fa0cad65900, reset_sig_count=37) at /data/src/10.3/storage/innobase/os/os0event.cc:336 #3 0x00007fa0c7db52ff in os_event_wait_low (event=0x7fa0cad65900, reset_sig_count=0) at /data/src/10.3/storage/innobase/os/os0event.cc:535 #4 0x00007fa0c7eb6d04 in srv_resume_thread (slot=0x7fa0c8d17fc0 , sig_count=0, wait=true, timeout_usec=0) at /data/src/10.3/storage/innobase/srv/srv0srv.cc:916 #5 0x00007fa0c7ebaaa6 in srv_worker_thread (arg=0x0) at /data/src/10.3/storage/innobase/srv/srv0srv.cc:2582 #6 0x00007fa0c6d19064 in start_thread (arg=0x7fa097fff700) at pthread_create.c:309 #7 0x00007fa0c516c62d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 19 (Thread 0x7fa0abf39700 (LWP 16904)): #0 0x00007fa0c6b0f6ea in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x00007fa0c7da8243 in LinuxAIOHandler::collect (this=0x7fa0abf38c40) at /data/src/10.3/storage/innobase/os/os0file.cc:1893 #2 0x00007fa0c7da8770 in LinuxAIOHandler::poll (this=0x7fa0abf38c40, m1=0x7fa0abf38ce8, m2=0x7fa0abf38cf0, request=0x7fa0abf38d20) at /data/src/10.3/storage/innobase/os/os0file.cc:2038 #3 0x00007fa0c7da88d0 in os_aio_linux_handler (global_segment=3, m1=0x7fa0abf38ce8, m2=0x7fa0abf38cf0, request=0x7fa0abf38d20) at /data/src/10.3/storage/innobase/os/os0file.cc:2092 #4 0x00007fa0c7dad560 in os_aio_handler (segment=3, m1=0x7fa0abf38ce8, m2=0x7fa0abf38cf0, request=0x7fa0abf38d20) at /data/src/10.3/storage/innobase/os/os0file.cc:5720 #5 0x00007fa0c802e2f2 in fil_aio_wait (segment=3) at /data/src/10.3/storage/innobase/fil/fil0fil.cc:5290 #6 0x00007fa0c7ebddd6 in io_handler_thread (arg=0x7fa0c8f5a2d8 ) at /data/src/10.3/storage/innobase/srv/srv0start.cc:340 #7 0x00007fa0c6d19064 in start_thread (arg=0x7fa0abf39700) at pthread_create.c:309 #8 0x00007fa0c516c62d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 18 (Thread 0x7fa0957fa700 (LWP 16925)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007fa0c7db554a in os_event::wait (this=0x7fa0cad65c80) at /data/src/10.3/storage/innobase/os/os0event.cc:166 #2 0x00007fa0c7db4f59 in os_event::wait_low (this=0x7fa0cad65c80, reset_sig_count=1) at /data/src/10.3/storage/innobase/os/os0event.cc:336 #3 0x00007fa0c7db52ff in os_event_wait_low (event=0x7fa0cad65c80, reset_sig_count=0) at /data/src/10.3/storage/innobase/os/os0event.cc:535 #4 0x00007fa0c7f8e84f in buf_resize_thread () at /data/src/10.3/storage/innobase/buf/buf0buf.cc:3076 #5 0x00007fa0c6d19064 in start_thread (arg=0x7fa0957fa700) at pthread_create.c:309 #6 0x00007fa0c516c62d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 17 (Thread 0x7fa094ff9700 (LWP 16926)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007fa0c825c8de in safe_cond_wait (cond=0x7fa094ff8e10, mp=0x7fa094ff8e50, file=0x7fa0c84cc300 "/data/src/10.3/include/mysql/psi/mysql_thread.h", line=1149) at /data/src/10.3/mysys/thr_mutex.c:492 #2 0x00007fa0c7cd07a9 in inline_mysql_cond_wait (that=0x7fa094ff8e10, mutex=0x7fa094ff8e50, src_file=0x7fa0c84cda58 "/data/src/10.3/storage/innobase/handler/ha_innodb.cc", src_line=317) at /data/src/10.3/include/mysql/psi/mysql_thread.h:1149 #3 0x00007fa0c7cd575b in thd_destructor_proxy () at /data/src/10.3/storage/innobase/handler/ha_innodb.cc:317 #4 0x00007fa0c6d19064 in start_thread (arg=0x7fa094ff9700) at pthread_create.c:309 #5 0x00007fa0c516c62d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 16 (Thread 0x7fa0ab738700 (LWP 16905)): #0 0x00007fa0c6b0f6ea in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x00007fa0c7da8243 in LinuxAIOHandler::collect (this=0x7fa0ab737c40) at /data/src/10.3/storage/innobase/os/os0file.cc:1893 #2 0x00007fa0c7da8770 in LinuxAIOHandler::poll (this=0x7fa0ab737c40, m1=0x7fa0ab737ce8, m2=0x7fa0ab737cf0, request=0x7fa0ab737d20) at /data/src/10.3/storage/innobase/os/os0file.cc:2038 #3 0x00007fa0c7da88d0 in os_aio_linux_handler (global_segment=4, m1=0x7fa0ab737ce8, m2=0x7fa0ab737cf0, request=0x7fa0ab737d20) at /data/src/10.3/storage/innobase/os/os0file.cc:2092 #4 0x00007fa0c7dad560 in os_aio_handler (segment=4, m1=0x7fa0ab737ce8, m2=0x7fa0ab737cf0, request=0x7fa0ab737d20) at /data/src/10.3/storage/innobase/os/os0file.cc:5720 #5 0x00007fa0c802e2f2 in fil_aio_wait (segment=4) at /data/src/10.3/storage/innobase/fil/fil0fil.cc:5290 #6 0x00007fa0c7ebddd6 in io_handler_thread (arg=0x7fa0c8f5a2e0 ) at /data/src/10.3/storage/innobase/srv/srv0start.cc:340 #7 0x00007fa0c6d19064 in start_thread (arg=0x7fa0ab738700) at pthread_create.c:309 #8 0x00007fa0c516c62d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 15 (Thread 0x7fa0967fc700 (LWP 16923)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007fa0c7db554a in os_event::wait (this=0x7fa0cad65b80) at /data/src/10.3/storage/innobase/os/os0event.cc:166 #2 0x00007fa0c7db4f59 in os_event::wait_low (this=0x7fa0cad65b80, reset_sig_count=1) at /data/src/10.3/storage/innobase/os/os0event.cc:336 #3 0x00007fa0c7db52ff in os_event_wait_low (event=0x7fa0cad65b80, reset_sig_count=0) at /data/src/10.3/storage/innobase/os/os0event.cc:535 #4 0x00007fa0c7fa6d28 in buf_dump_thread () at /data/src/10.3/storage/innobase/buf/buf0dump.cc:777 #5 0x00007fa0c6d19064 in start_thread (arg=0x7fa0967fc700) at pthread_create.c:309 #6 0x00007fa0c516c62d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 14 (Thread 0x7fa0aaf37700 (LWP 16906)): #0 0x00007fa0c6b0f6ea in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x00007fa0c7da8243 in LinuxAIOHandler::collect (this=0x7fa0aaf36c40) at /data/src/10.3/storage/innobase/os/os0file.cc:1893 #2 0x00007fa0c7da8770 in LinuxAIOHandler::poll (this=0x7fa0aaf36c40, m1=0x7fa0aaf36ce8, m2=0x7fa0aaf36cf0, request=0x7fa0aaf36d20) at /data/src/10.3/storage/innobase/os/os0file.cc:2038 #3 0x00007fa0c7da88d0 in os_aio_linux_handler (global_segment=5, m1=0x7fa0aaf36ce8, m2=0x7fa0aaf36cf0, request=0x7fa0aaf36d20) at /data/src/10.3/storage/innobase/os/os0file.cc:2092 #4 0x00007fa0c7dad560 in os_aio_handler (segment=5, m1=0x7fa0aaf36ce8, m2=0x7fa0aaf36cf0, request=0x7fa0aaf36d20) at /data/src/10.3/storage/innobase/os/os0file.cc:5720 #5 0x00007fa0c802e2f2 in fil_aio_wait (segment=5) at /data/src/10.3/storage/innobase/fil/fil0fil.cc:5290 #6 0x00007fa0c7ebddd6 in io_handler_thread (arg=0x7fa0c8f5a2e8 ) at /data/src/10.3/storage/innobase/srv/srv0start.cc:340 #7 0x00007fa0c6d19064 in start_thread (arg=0x7fa0aaf37700) at pthread_create.c:309 #8 0x00007fa0c516c62d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 13 (Thread 0x7fa0a6d09700 (LWP 16915)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238 #1 0x00007fa0c7db4def in os_event::timed_wait (this=0x7fa0cad65b00, abstime=0x7fa0a6d08e60) at /data/src/10.3/storage/innobase/os/os0event.cc:286 #2 0x00007fa0c7db50f9 in os_event::wait_time_low (this=0x7fa0cad65b00, time_in_usec=5000000, reset_sig_count=1) at /data/src/10.3/storage/innobase/os/os0event.cc:413 #3 0x00007fa0c7db52da in os_event_wait_time_low (event=0x7fa0cad65b00, time_in_usec=5000000, reset_sig_count=1) at /data/src/10.3/storage/innobase/os/os0event.cc:518 #4 0x00007fa0c7eb8bee in srv_monitor_thread () at /data/src/10.3/storage/innobase/srv/srv0srv.cc:1735 #5 0x00007fa0c6d19064 in start_thread (arg=0x7fa0a6d09700) at pthread_create.c:309 #6 0x00007fa0c516c62d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 12 (Thread 0x7fa0a5506700 (LWP 16918)): #0 0x00007fa0c6d2014d in nanosleep () at ../sysdeps/unix/syscall-template.S:81 #1 0x00007fa0c7db5841 in os_thread_sleep (tm=1000000) at /data/src/10.3/storage/innobase/os/os0thread.cc:230 #2 0x00007fa0c7eba467 in srv_master_sleep () at /data/src/10.3/storage/innobase/srv/srv0srv.cc:2393 #3 0x00007fa0c7eba5a9 in srv_master_thread (arg=0x0) at /data/src/10.3/storage/innobase/srv/srv0srv.cc:2438 #4 0x00007fa0c6d19064 in start_thread (arg=0x7fa0a5506700) at pthread_create.c:309 #5 0x00007fa0c516c62d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 11 (Thread 0x7fa0a4d05700 (LWP 16919)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007fa0c7db554a in os_event::wait (this=0x7fa0cad65880) at /data/src/10.3/storage/innobase/os/os0event.cc:166 #2 0x00007fa0c7db4f59 in os_event::wait_low (this=0x7fa0cad65880, reset_sig_count=17) at /data/src/10.3/storage/innobase/os/os0event.cc:336 #3 0x00007fa0c7db52ff in os_event_wait_low (event=0x7fa0cad65880, reset_sig_count=17) at /data/src/10.3/storage/innobase/os/os0event.cc:535 #4 0x00007fa0c7eb6d04 in srv_resume_thread (slot=0x7fa0c8d17f88 , sig_count=17, wait=true, timeout_usec=0) at /data/src/10.3/storage/innobase/srv/srv0srv.cc:916 #5 0x00007fa0c7ebaf91 in srv_purge_coordinator_suspend (slot=0x7fa0c8d17f88 , rseg_history_len=15) at /data/src/10.3/storage/innobase/srv/srv0srv.cc:2735 #6 0x00007fa0c7ebb34c in srv_purge_coordinator_thread (arg=0x0) at /data/src/10.3/storage/innobase/srv/srv0srv.cc:2822 #7 0x00007fa0c6d19064 in start_thread (arg=0x7fa0a4d05700) at pthread_create.c:309 #8 0x00007fa0c516c62d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 10 (Thread 0x7fa0ad73c700 (LWP 16901)): #0 0x00007fa0c6b0f6ea in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x00007fa0c7da8243 in LinuxAIOHandler::collect (this=0x7fa0ad73bc40) at /data/src/10.3/storage/innobase/os/os0file.cc:1893 #2 0x00007fa0c7da8770 in LinuxAIOHandler::poll (this=0x7fa0ad73bc40, m1=0x7fa0ad73bce8, m2=0x7fa0ad73bcf0, request=0x7fa0ad73bd20) at /data/src/10.3/storage/innobase/os/os0file.cc:2038 #3 0x00007fa0c7da88d0 in os_aio_linux_handler (global_segment=0, m1=0x7fa0ad73bce8, m2=0x7fa0ad73bcf0, request=0x7fa0ad73bd20) at /data/src/10.3/storage/innobase/os/os0file.cc:2092 #4 0x00007fa0c7dad560 in os_aio_handler (segment=0, m1=0x7fa0ad73bce8, m2=0x7fa0ad73bcf0, request=0x7fa0ad73bd20) at /data/src/10.3/storage/innobase/os/os0file.cc:5720 #5 0x00007fa0c802e2f2 in fil_aio_wait (segment=0) at /data/src/10.3/storage/innobase/fil/fil0fil.cc:5290 #6 0x00007fa0c7ebddd6 in io_handler_thread (arg=0x7fa0c8f5a2c0 ) at /data/src/10.3/storage/innobase/srv/srv0start.cc:340 #7 0x00007fa0c6d19064 in start_thread (arg=0x7fa0ad73c700) at pthread_create.c:309 #8 0x00007fa0c516c62d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 9 (Thread 0x7fa0aa736700 (LWP 16907)): #0 0x00007fa0c6b0f6ea in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x00007fa0c7da8243 in LinuxAIOHandler::collect (this=0x7fa0aa735c40) at /data/src/10.3/storage/innobase/os/os0file.cc:1893 #2 0x00007fa0c7da8770 in LinuxAIOHandler::poll (this=0x7fa0aa735c40, m1=0x7fa0aa735ce8, m2=0x7fa0aa735cf0, request=0x7fa0aa735d20) at /data/src/10.3/storage/innobase/os/os0file.cc:2038 #3 0x00007fa0c7da88d0 in os_aio_linux_handler (global_segment=6, m1=0x7fa0aa735ce8, m2=0x7fa0aa735cf0, request=0x7fa0aa735d20) at /data/src/10.3/storage/innobase/os/os0file.cc:2092 #4 0x00007fa0c7dad560 in os_aio_handler (segment=6, m1=0x7fa0aa735ce8, m2=0x7fa0aa735cf0, request=0x7fa0aa735d20) at /data/src/10.3/storage/innobase/os/os0file.cc:5720 #5 0x00007fa0c802e2f2 in fil_aio_wait (segment=6) at /data/src/10.3/storage/innobase/fil/fil0fil.cc:5290 #6 0x00007fa0c7ebddd6 in io_handler_thread (arg=0x7fa0c8f5a2f0 ) at /data/src/10.3/storage/innobase/srv/srv0start.cc:340 #7 0x00007fa0c6d19064 in start_thread (arg=0x7fa0aa736700) at pthread_create.c:309 #8 0x00007fa0c516c62d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 8 (Thread 0x7fa096ffd700 (LWP 16922)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007fa0c7db554a in os_event::wait (this=0x7fa0cad65a00) at /data/src/10.3/storage/innobase/os/os0event.cc:166 #2 0x00007fa0c7db4f59 in os_event::wait_low (this=0x7fa0cad65a00, reset_sig_count=34) at /data/src/10.3/storage/innobase/os/os0event.cc:336 #3 0x00007fa0c7db52ff in os_event_wait_low (event=0x7fa0cad65a00, reset_sig_count=0) at /data/src/10.3/storage/innobase/os/os0event.cc:535 #4 0x00007fa0c7eb6d04 in srv_resume_thread (slot=0x7fa0c8d18030 , sig_count=0, wait=true, timeout_usec=0) at /data/src/10.3/storage/innobase/srv/srv0srv.cc:916 #5 0x00007fa0c7ebaaa6 in srv_worker_thread (arg=0x0) at /data/src/10.3/storage/innobase/srv/srv0srv.cc:2582 #6 0x00007fa0c6d19064 in start_thread (arg=0x7fa096ffd700) at pthread_create.c:309 #7 0x00007fa0c516c62d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 7 (Thread 0x7fa0acf3b700 (LWP 16902)): #0 0x00007fa0c6b0f6ea in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x00007fa0c7da8243 in LinuxAIOHandler::collect (this=0x7fa0acf3ac40) at /data/src/10.3/storage/innobase/os/os0file.cc:1893 #2 0x00007fa0c7da8770 in LinuxAIOHandler::poll (this=0x7fa0acf3ac40, m1=0x7fa0acf3ace8, m2=0x7fa0acf3acf0, request=0x7fa0acf3ad20) at /data/src/10.3/storage/innobase/os/os0file.cc:2038 #3 0x00007fa0c7da88d0 in os_aio_linux_handler (global_segment=1, m1=0x7fa0acf3ace8, m2=0x7fa0acf3acf0, request=0x7fa0acf3ad20) at /data/src/10.3/storage/innobase/os/os0file.cc:2092 #4 0x00007fa0c7dad560 in os_aio_handler (segment=1, m1=0x7fa0acf3ace8, m2=0x7fa0acf3acf0, request=0x7fa0acf3ad20) at /data/src/10.3/storage/innobase/os/os0file.cc:5720 #5 0x00007fa0c802e2f2 in fil_aio_wait (segment=1) at /data/src/10.3/storage/innobase/fil/fil0fil.cc:5290 #6 0x00007fa0c7ebddd6 in io_handler_thread (arg=0x7fa0c8f5a2c8 ) at /data/src/10.3/storage/innobase/srv/srv0start.cc:340 #7 0x00007fa0c6d19064 in start_thread (arg=0x7fa0acf3b700) at pthread_create.c:309 #8 0x00007fa0c516c62d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 6 (Thread 0x7fa0a9f35700 (LWP 16908)): #0 0x00007fa0c6b0f6ea in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x00007fa0c7da8243 in LinuxAIOHandler::collect (this=0x7fa0a9f34c40) at /data/src/10.3/storage/innobase/os/os0file.cc:1893 #2 0x00007fa0c7da8770 in LinuxAIOHandler::poll (this=0x7fa0a9f34c40, m1=0x7fa0a9f34ce8, m2=0x7fa0a9f34cf0, request=0x7fa0a9f34d20) at /data/src/10.3/storage/innobase/os/os0file.cc:2038 #3 0x00007fa0c7da88d0 in os_aio_linux_handler (global_segment=7, m1=0x7fa0a9f34ce8, m2=0x7fa0a9f34cf0, request=0x7fa0a9f34d20) at /data/src/10.3/storage/innobase/os/os0file.cc:2092 #4 0x00007fa0c7dad560 in os_aio_handler (segment=7, m1=0x7fa0a9f34ce8, m2=0x7fa0a9f34cf0, request=0x7fa0a9f34d20) at /data/src/10.3/storage/innobase/os/os0file.cc:5720 #5 0x00007fa0c802e2f2 in fil_aio_wait (segment=7) at /data/src/10.3/storage/innobase/fil/fil0fil.cc:5290 #6 0x00007fa0c7ebddd6 in io_handler_thread (arg=0x7fa0c8f5a2f8 ) at /data/src/10.3/storage/innobase/srv/srv0start.cc:340 #7 0x00007fa0c6d19064 in start_thread (arg=0x7fa0a9f35700) at pthread_create.c:309 #8 0x00007fa0c516c62d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 5 (Thread 0x7fa094228700 (LWP 16945)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238 #1 0x00007fa0c825cbe8 in safe_cond_timedwait (cond=0x7fa038000cb0, mp=0x7fa038000c00, abstime=0x7fa094223fd0, file=0x7fa0c834e200 "/data/src/10.3/include/mysql/psi/mysql_thread.h", line=1186) at /data/src/10.3/mysys/thr_mutex.c:546 #2 0x00007fa0c7902e45 in inline_mysql_cond_timedwait (that=0x7fa038000cb0, mutex=0x7fa038000c00, abstime=0x7fa094223fd0, src_file=0x7fa0c834e47a "/data/src/10.3/sql/mdl.cc", src_line=1093) at /data/src/10.3/include/mysql/psi/mysql_thread.h:1186 #3 0x00007fa0c790425d in MDL_wait::timed_wait (this=0x7fa038000c00, owner=0x7fa038000bb0, abs_timeout=0x7fa094223fd0, set_status_on_timeout=false, wait_state_name=0x7fa0c8cfddf0 ) at /data/src/10.3/sql/mdl.cc:1093 #4 0x00007fa0c7905d05 in MDL_context::acquire_lock (this=0x7fa038000c00, mdl_request=0x7fa038013d98, lock_wait_timeout=86400) at /data/src/10.3/sql/mdl.cc:2147 #5 0x00007fa0c79061ba in MDL_context::acquire_locks (this=0x7fa038000c00, mdl_requests=0x7fa094224110, lock_wait_timeout=86400) at /data/src/10.3/sql/mdl.cc:2267 #6 0x00007fa0c7729bf9 in lock_table_names (thd=0x7fa038000b00, options=..., tables_start=0x7fa038013950, tables_end=0x0, lock_wait_timeout=86400, flags=0) at /data/src/10.3/sql/sql_base.cc:3736 #7 0x00007fa0c772a167 in open_tables (thd=0x7fa038000b00, options=..., start=0x7fa094224488, counter=0x7fa0942244b8, flags=0, prelocking_strategy=0x7fa0942244d0) at /data/src/10.3/sql/sql_base.cc:3954 #8 0x00007fa0c78674c5 in open_tables (thd=0x7fa038000b00, tables=0x7fa094224488, counter=0x7fa0942244b8, flags=0, prelocking_strategy=0x7fa0942244d0) at /data/src/10.3/sql/sql_base.h:238 #9 0x00007fa0c787ea81 in mysql_alter_table (thd=0x7fa038000b00, new_db=0x7fa038013f60 "test", new_name=0x0, create_info=0x7fa094225db0, table_list=0x7fa038013950, alter_info=0x7fa094225d00, order_num=0, order=0x0, ignore=false) at /data/src/10.3/sql/sql_table.cc:8790 #10 0x00007fa0c790088b in Sql_cmd_alter_table::execute (this=0x7fa038014038, thd=0x7fa038000b00) at /data/src/10.3/sql/sql_alter.cc:331 #11 0x00007fa0c77b18f8 in mysql_execute_command (thd=0x7fa038000b00) at /data/src/10.3/sql/sql_parse.cc:6251 #12 0x00007fa0c77b6308 in mysql_parse (thd=0x7fa038000b00, rawbuf=0x7fa038013828 "ALTER TABLE t1 ADD KEY idx ( col4(10) ) /* QNO 399 CON_ID 18 */", length=63, parser_state=0x7fa094227660, is_com_multi=false, is_next_command=false) at /data/src/10.3/sql/sql_parse.cc:7966 #13 0x00007fa0c77a3c7d in dispatch_command (command=COM_QUERY, thd=0x7fa038000b00, packet=0x7fa03800b061 "ALTER TABLE t1 ADD KEY idx ( col4(10) ) /* QNO 399 CON_ID 18 */ ", packet_length=64, is_com_multi=false, is_next_command=false) at /data/src/10.3/sql/sql_parse.cc:1824 #14 0x00007fa0c77a26b1 in do_command (thd=0x7fa038000b00) at /data/src/10.3/sql/sql_parse.cc:1369 #15 0x00007fa0c78fb400 in do_handle_one_connection (connect=0x7fa0cb733220) at /data/src/10.3/sql/sql_connect.cc:1420 #16 0x00007fa0c78fb18d in handle_one_connection (arg=0x7fa0cb733220) at /data/src/10.3/sql/sql_connect.cc:1326 #17 0x00007fa0c6d19064 in start_thread (arg=0x7fa094228700) at pthread_create.c:309 #18 0x00007fa0c516c62d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 4 (Thread 0x7fa0c5083700 (LWP 16900)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238 #1 0x00007fa0c825cbe8 in safe_cond_timedwait (cond=0x7fa0c9773b40 , mp=0x7fa0c9773a80 , abstime=0x7fa0c5082f00, file=0x7fa0c8664910 "/data/src/10.3/include/mysql/psi/mysql_thread.h", line=1186) at /data/src/10.3/mysys/thr_mutex.c:546 #2 0x00007fa0c825dbd7 in inline_mysql_cond_timedwait (that=0x7fa0c9773b40 , mutex=0x7fa0c9773a80 , abstime=0x7fa0c5082f00, src_file=0x7fa0c8664940 "/data/src/10.3/mysys/thr_timer.c", src_line=292) at /data/src/10.3/include/mysql/psi/mysql_thread.h:1186 #3 0x00007fa0c825e6d4 in timer_handler (arg=0x0) at /data/src/10.3/mysys/thr_timer.c:292 #4 0x00007fa0c6d19064 in start_thread (arg=0x7fa0c5083700) at pthread_create.c:309 #5 0x00007fa0c516c62d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 3 (Thread 0x7fa0941de700 (LWP 16947)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238 #1 0x00007fa0c825cbe8 in safe_cond_timedwait (cond=0x7fa02c000cb0, mp=0x7fa02c000c00, abstime=0x7fa0941db460, file=0x7fa0c834e200 "/data/src/10.3/include/mysql/psi/mysql_thread.h", line=1186) at /data/src/10.3/mysys/thr_mutex.c:546 #2 0x00007fa0c7902e45 in inline_mysql_cond_timedwait (that=0x7fa02c000cb0, mutex=0x7fa02c000c00, abstime=0x7fa0941db460, src_file=0x7fa0c834e47a "/data/src/10.3/sql/mdl.cc", src_line=1093) at /data/src/10.3/include/mysql/psi/mysql_thread.h:1186 #3 0x00007fa0c790425d in MDL_wait::timed_wait (this=0x7fa02c000c00, owner=0x7fa02c000bb0, abs_timeout=0x7fa0941db460, set_status_on_timeout=false, wait_state_name=0x7fa0c8cfddf0 ) at /data/src/10.3/sql/mdl.cc:1093 #4 0x00007fa0c7905d05 in MDL_context::acquire_lock (this=0x7fa02c000c00, mdl_request=0x7fa02c013e08, lock_wait_timeout=86400) at /data/src/10.3/sql/mdl.cc:2147 #5 0x00007fa0c77252c9 in open_table_get_mdl_lock (thd=0x7fa02c000b00, ot_ctx=0x7fa0941dbb70, mdl_request=0x7fa02c013e08, flags=0, mdl_ticket=0x7fa0941db750) at /data/src/10.3/sql/sql_base.cc:1461 #6 0x00007fa0c7725b7f in open_table (thd=0x7fa02c000b00, table_list=0x7fa02c0139c0, ot_ctx=0x7fa0941dbb70) at /data/src/10.3/sql/sql_base.cc:1732 #7 0x00007fa0c7729091 in open_and_process_table (thd=0x7fa02c000b00, lex=0x7fa02c004770, tables=0x7fa02c0139c0, counter=0x7fa0941dbc04, flags=0, prelocking_strategy=0x7fa0941dbc80, has_prelocking_list=false, ot_ctx=0x7fa0941dbb70) at /data/src/10.3/sql/sql_base.cc:3467 #8 0x00007fa0c772a25c in open_tables (thd=0x7fa02c000b00, options=..., start=0x7fa0941dbbe8, counter=0x7fa0941dbc04, flags=0, prelocking_strategy=0x7fa0941dbc80) at /data/src/10.3/sql/sql_base.cc:3987 #9 0x00007fa0c772beea in open_and_lock_tables (thd=0x7fa02c000b00, options=..., tables=0x7fa02c0139c0, derived=true, flags=0, prelocking_strategy=0x7fa0941dbc80) at /data/src/10.3/sql/sql_base.cc:4838 #10 0x00007fa0c771e6b7 in open_and_lock_tables (thd=0x7fa02c000b00, tables=0x7fa02c0139c0, derived=true, flags=0) at /data/src/10.3/sql/sql_base.h:498 #11 0x00007fa0c7c27aef in mysql_delete (thd=0x7fa02c000b00, table_list=0x7fa02c0139c0, conds=0x7fa02c0145e0, order_list=0x7fa02c0051e0, limit=18446744073709551615, options=549755813888, result=0x0) at /data/src/10.3/sql/sql_delete.cc:283 #12 0x00007fa0c77ac976 in mysql_execute_command (thd=0x7fa02c000b00) at /data/src/10.3/sql/sql_parse.cc:4895 #13 0x00007fa0c77b6308 in mysql_parse (thd=0x7fa02c000b00, rawbuf=0x7fa02c013828 "DELETE FROM t1 WHERE MATCH(col4) AGAINST (TRIM(' NULL ') IN BOOLEAN MODE) OR col2 IS NULL /* QNO 375 CON_ID 19 */", length=114, parser_state=0x7fa0941dd660, is_com_multi=false, is_next_command=false) at /data/src/10.3/sql/sql_parse.cc:7966 #14 0x00007fa0c77a3c7d in dispatch_command (command=COM_QUERY, thd=0x7fa02c000b00, packet=0x7fa02c00b061 "DELETE FROM t1 WHERE MATCH(col4) AGAINST (TRIM(' NULL ') IN BOOLEAN MODE) OR col2 IS NULL /* QNO 375 CON_ID 19 */ ", packet_length=115, is_com_multi=false, is_next_command=false) at /data/src/10.3/sql/sql_parse.cc:1824 #15 0x00007fa0c77a26b1 in do_command (thd=0x7fa02c000b00) at /data/src/10.3/sql/sql_parse.cc:1369 #16 0x00007fa0c78fb400 in do_handle_one_connection (connect=0x7fa0cb7460c0) at /data/src/10.3/sql/sql_connect.cc:1420 #17 0x00007fa0c78fb18d in handle_one_connection (arg=0x7fa0cb7460c0) at /data/src/10.3/sql/sql_connect.cc:1326 #18 0x00007fa0c6d19064 in start_thread (arg=0x7fa0941de700) at pthread_create.c:309 #19 0x00007fa0c516c62d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 2 (Thread 0x7fa094272700 (LWP 16943)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238 #1 0x00007fa0c825cbe8 in safe_cond_timedwait (cond=0x7fa034000cb0, mp=0x7fa034000c00, abstime=0x7fa09426dfd0, file=0x7fa0c834e200 "/data/src/10.3/include/mysql/psi/mysql_thread.h", line=1186) at /data/src/10.3/mysys/thr_mutex.c:546 #2 0x00007fa0c7902e45 in inline_mysql_cond_timedwait (that=0x7fa034000cb0, mutex=0x7fa034000c00, abstime=0x7fa09426dfd0, src_file=0x7fa0c834e47a "/data/src/10.3/sql/mdl.cc", src_line=1093) at /data/src/10.3/include/mysql/psi/mysql_thread.h:1186 #3 0x00007fa0c790425d in MDL_wait::timed_wait (this=0x7fa034000c00, owner=0x7fa034000bb0, abs_timeout=0x7fa09426dfd0, set_status_on_timeout=false, wait_state_name=0x7fa0c8cfddf0 ) at /data/src/10.3/sql/mdl.cc:1093 #4 0x00007fa0c7905d05 in MDL_context::acquire_lock (this=0x7fa034000c00, mdl_request=0x7fa034013e48, lock_wait_timeout=86400) at /data/src/10.3/sql/mdl.cc:2147 #5 0x00007fa0c79061ba in MDL_context::acquire_locks (this=0x7fa034000c00, mdl_requests=0x7fa09426e110, lock_wait_timeout=86400) at /data/src/10.3/sql/mdl.cc:2267 #6 0x00007fa0c7729bf9 in lock_table_names (thd=0x7fa034000b00, options=..., tables_start=0x7fa034013a00, tables_end=0x0, lock_wait_timeout=86400, flags=0) at /data/src/10.3/sql/sql_base.cc:3736 #7 0x00007fa0c772a167 in open_tables (thd=0x7fa034000b00, options=..., start=0x7fa09426e488, counter=0x7fa09426e4b8, flags=0, prelocking_strategy=0x7fa09426e4d0) at /data/src/10.3/sql/sql_base.cc:3954 #8 0x00007fa0c78674c5 in open_tables (thd=0x7fa034000b00, tables=0x7fa09426e488, counter=0x7fa09426e4b8, flags=0, prelocking_strategy=0x7fa09426e4d0) at /data/src/10.3/sql/sql_base.h:238 #9 0x00007fa0c787ea81 in mysql_alter_table (thd=0x7fa034000b00, new_db=0x7fa034014010 "test", new_name=0x0, create_info=0x7fa09426fdb0, table_list=0x7fa034013a00, alter_info=0x7fa09426fd00, order_num=0, order=0x0, ignore=false) at /data/src/10.3/sql/sql_table.cc:8790 #10 0x00007fa0c790088b in Sql_cmd_alter_table::execute (this=0x7fa034014220, thd=0x7fa034000b00) at /data/src/10.3/sql/sql_alter.cc:331 #11 0x00007fa0c77b18f8 in mysql_execute_command (thd=0x7fa034000b00) at /data/src/10.3/sql/sql_parse.cc:6251 #12 0x00007fa0c77b6308 in mysql_parse (thd=0x7fa034000b00, rawbuf=0x7fa034013828 "ALTER TABLE t1 ADD PRIMARY KEY(`pk`), LOCK=NONE, ADD FULLTEXT KEY(`non_existing_column`), ALGORITHM=INPLACE, DROP PRIMARY KEY /* QNO 355 CON_ID 17 */", length=149, parser_state=0x7fa094271660, is_com_multi=false, is_next_command=false) at /data/src/10.3/sql/sql_parse.cc:7966 #13 0x00007fa0c77a3c7d in dispatch_command (command=COM_QUERY, thd=0x7fa034000b00, packet=0x7fa03400b061 "ALTER TABLE t1 ADD PRIMARY KEY(`pk`), LOCK=NONE, ADD FULLTEXT KEY(`non_existing_column`), ALGORITHM=INPLACE, DROP PRIMARY KEY /* QNO 355 CON_ID 17 */ ", packet_length=150, is_com_multi=false, is_next_command=false) at /data/src/10.3/sql/sql_parse.cc:1824 #14 0x00007fa0c77a26b1 in do_command (thd=0x7fa034000b00) at /data/src/10.3/sql/sql_parse.cc:1369 #15 0x00007fa0c78fb400 in do_handle_one_connection (connect=0x7fa0cb691430) at /data/src/10.3/sql/sql_connect.cc:1420 #16 0x00007fa0c78fb18d in handle_one_connection (arg=0x7fa0cb691430) at /data/src/10.3/sql/sql_connect.cc:1326 #17 0x00007fa0c6d19064 in start_thread (arg=0x7fa094272700) at pthread_create.c:309 #18 0x00007fa0c516c62d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 1 (Thread 0x7fa0c40ef700 (LWP 16941)): #0 0x00007fa0c6d1e0c1 in __pthread_kill (threadid=, signo=6) at ../nptl/sysdeps/unix/sysv/linux/pthread_kill.c:61 #1 0x00007fa0c8257320 in my_write_core (sig=6) at /data/src/10.3/mysys/stacktrace.c:481 #2 0x00007fa0c7a7734c in handle_fatal_signal (sig=6) at /data/src/10.3/sql/signal_handler.cc:303 #3 #4 0x00007fa0c50b9067 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56 #5 0x00007fa0c50ba448 in __GI_abort () at abort.c:89 #6 0x00007fa0c50b2266 in __assert_fail_base (fmt=0x7fa0c51eaf18 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=assertion@entry=0x7fa0c86483f0 "share->now_transactional == share->base.born_transactional", file=file@entry=0x7fa0c8648230 "/data/src/10.3/storage/maria/ma_close.c", line=line@entry=182, function=function@entry=0x7fa0c8648463 <__PRETTY_FUNCTION__.15205> "maria_close") at assert.c:92 #7 0x00007fa0c50b2312 in __GI___assert_fail (assertion=0x7fa0c86483f0 "share->now_transactional == share->base.born_transactional", file=0x7fa0c8648230 "/data/src/10.3/storage/maria/ma_close.c", line=182, function=0x7fa0c8648463 <__PRETTY_FUNCTION__.15205> "maria_close") at assert.c:101 #8 0x00007fa0c815a3f5 in maria_close (info=0x7fa03408f490) at /data/src/10.3/storage/maria/ma_close.c:182 #9 0x00007fa0c80d2924 in ha_maria::close (this=0x7fa03408ed08) at /data/src/10.3/storage/maria/ha_maria.cc:1274 #10 0x00007fa0c7a7e0f8 in handler::ha_close (this=0x7fa03408ed08) at /data/src/10.3/sql/handler.cc:2711 #11 0x00007fa0c78b2a7d in closefrm (table=0x7fa03408e0e0) at /data/src/10.3/sql/table.cc:3454 #12 0x00007fa0c79b8940 in intern_close_table (table=0x7fa03408e0e0) at /data/src/10.3/sql/table_cache.cc:222 #13 0x00007fa0c79b8adf in tc_remove_table (table=0x7fa03408e0e0) at /data/src/10.3/sql/table_cache.cc:260 #14 0x00007fa0c79b944c in tc_release_table (table=0x7fa03408e0e0) at /data/src/10.3/sql/table_cache.cc:472 #15 0x00007fa0c7724436 in close_thread_table (thd=0x7fa040000b00, table_ptr=0x7fa040000bc0) at /data/src/10.3/sql/sql_base.cc:906 #16 0x00007fa0c7723c9b in close_all_tables_for_name (thd=0x7fa040000b00, share=0x7fa0300a6998, extra=HA_EXTRA_NOT_USED, skip_table=0x0) at /data/src/10.3/sql/sql_base.cc:674 #17 0x00007fa0c7880c80 in mysql_alter_table (thd=0x7fa040000b00, new_db=0x7fa040013f70 "test", new_name=0x0, create_info=0x7fa0c40ecdb0, table_list=0x7fa040013960, alter_info=0x7fa0c40ecd00, order_num=0, order=0x0, ignore=false) at /data/src/10.3/sql/sql_table.cc:9614 #18 0x00007fa0c790088b in Sql_cmd_alter_table::execute (this=0x7fa040014040, thd=0x7fa040000b00) at /data/src/10.3/sql/sql_alter.cc:331 #19 0x00007fa0c77b18f8 in mysql_execute_command (thd=0x7fa040000b00) at /data/src/10.3/sql/sql_parse.cc:6251 #20 0x00007fa0c77b6308 in mysql_parse (thd=0x7fa040000b00, rawbuf=0x7fa040013828 "ALTER TABLE t1 ADD UNIQUE KEY uidx ( col1 ) /* QNO 536 CON_ID 16 */", length=67, parser_state=0x7fa0c40ee660, is_com_multi=false, is_next_command=false) at /data/src/10.3/sql/sql_parse.cc:7966 #21 0x00007fa0c77a3c7d in dispatch_command (command=COM_QUERY, thd=0x7fa040000b00, packet=0x7fa04000b061 "ALTER TABLE t1 ADD UNIQUE KEY uidx ( col1 ) /* QNO 536 CON_ID 16 */ ", packet_length=68, is_com_multi=false, is_next_command=false) at /data/src/10.3/sql/sql_parse.cc:1824 #22 0x00007fa0c77a26b1 in do_command (thd=0x7fa040000b00) at /data/src/10.3/sql/sql_parse.cc:1369 #23 0x00007fa0c78fb400 in do_handle_one_connection (connect=0x7fa0cb7460c0) at /data/src/10.3/sql/sql_connect.cc:1420 #24 0x00007fa0c78fb18d in handle_one_connection (arg=0x7fa0cb7460c0) at /data/src/10.3/sql/sql_connect.cc:1326 #25 0x00007fa0c6d19064 in start_thread (arg=0x7fa0c40ef700) at pthread_create.c:309 #26 0x00007fa0c516c62d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111