[New LWP 26880]
[New LWP 26862]
[New LWP 26847]
[New LWP 26849]
[New LWP 26839]
[New LWP 26846]
[New LWP 26843]
[New LWP 26841]
[New LWP 26851]
[New LWP 26882]
[New LWP 26852]
[New LWP 26868]
[New LWP 26853]
[New LWP 26842]
[New LWP 26836]
[New LWP 26859]
[New LWP 26864]
[New LWP 26856]
[New LWP 26863]
[New LWP 26883]
[New LWP 27452]
[New LWP 26837]
[New LWP 26855]
[New LWP 26858]
[New LWP 26854]
[New LWP 26848]
[New LWP 26838]
[New LWP 26840]
[New LWP 26857]
[New LWP 26873]
[New LWP 26844]
[New LWP 26845]
[New LWP 26860]
[New LWP 26861]
[New LWP 26865]
[New LWP 26866]
[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 --character-se'.
Program terminated with signal SIGABRT, Aborted.
#0  __pthread_kill (threadid=<optimized out>, signo=6) at ../sysdeps/unix/sysv/linux/pthread_kill.c:57

Thread 36 (Thread 0x7f7498409700 (LWP 26866)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00005649da0edfdf in safe_cond_wait (cond=0x5649dad10a00 <COND_slave_background>, mp=0x5649dad13d00 <LOCK_slave_background>, file=0x5649da1612c0 "/data/src/10.3/include/mysql/psi/mysql_thread.h", line=1149) at /data/src/10.3/mysys/thr_mutex.c:492
#2  0x00005649d95912ec in inline_mysql_cond_wait (that=0x5649dad10a00 <COND_slave_background>, mutex=0x5649dad13d00 <LOCK_slave_background>, src_file=0x5649da161b25 "/data/src/10.3/sql/slave.cc", src_line=502) at /data/src/10.3/include/mysql/psi/mysql_thread.h:1149
#3  0x00005649d9592697 in handle_slave_background (arg=0x0) at /data/src/10.3/sql/slave.cc:502
#4  0x00007f749e0fd494 in start_thread (arg=0x7f7498409700) at pthread_create.c:333
#5  0x00007f749c27593f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 35 (Thread 0x7f7498453700 (LWP 26865)):
#0  do_sigwait (set=<optimized out>, set@entry=0x7f7498452e80, sig=sig@entry=0x7f7498452e50) at ../sysdeps/unix/sysv/linux/sigwait.c:64
#1  0x00007f749e106ced in __sigwait (set=0x7f7498452e80, sig=0x7f7498452e50) at ../sysdeps/unix/sysv/linux/sigwait.c:96
#2  0x00005649d9568732 in signal_hand (arg=0x0) at /data/src/10.3/sql/mysqld.cc:3517
#3  0x00007f749e0fd494 in start_thread (arg=0x7f7498453700) at pthread_create.c:333
#4  0x00007f749c27593f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 34 (Thread 0x7f7470ff9700 (LWP 26861)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00005649d9d15318 in os_event::wait (this=0x5649dd06b7a0) at /data/src/10.3/storage/innobase/os/os0event.cc:166
#2  0x00005649d9d14d27 in os_event::wait_low (this=0x5649dd06b7a0, reset_sig_count=1) at /data/src/10.3/storage/innobase/os/os0event.cc:336
#3  0x00005649d9d150cd in os_event_wait_low (event=0x5649dd06b7a0, reset_sig_count=0) at /data/src/10.3/storage/innobase/os/os0event.cc:535
#4  0x00005649d9f05161 in buf_dump_thread () at /data/src/10.3/storage/innobase/buf/buf0dump.cc:824
#5  0x00007f749e0fd494 in start_thread (arg=0x7f7470ff9700) at pthread_create.c:333
#6  0x00007f749c27593f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 33 (Thread 0x7f74717fa700 (LWP 26860)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00005649d9d15318 in os_event::wait (this=0x5649dd06b5a0) at /data/src/10.3/storage/innobase/os/os0event.cc:166
#2  0x00005649d9d14d27 in os_event::wait_low (this=0x5649dd06b5a0, reset_sig_count=19735) at /data/src/10.3/storage/innobase/os/os0event.cc:336
#3  0x00005649d9d150cd in os_event_wait_low (event=0x5649dd06b5a0, reset_sig_count=0) at /data/src/10.3/storage/innobase/os/os0event.cc:535
#4  0x00005649d9e15827 in srv_resume_thread (slot=0x5649dab53438 <srv_sys+440>, sig_count=0, wait=true, timeout_usec=0) at /data/src/10.3/storage/innobase/srv/srv0srv.cc:918
#5  0x00005649d9e1969b in srv_worker_thread (arg=0x0) at /data/src/10.3/storage/innobase/srv/srv0srv.cc:2625
#6  0x00007f749e0fd494 in start_thread (arg=0x7f74717fa700) at pthread_create.c:333
#7  0x00007f749c27593f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 32 (Thread 0x7f747c999700 (LWP 26845)):
#0  0x00007f749def46ea in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x00005649d9d08189 in LinuxAIOHandler::collect (this=0x7f747c998c40) at /data/src/10.3/storage/innobase/os/os0file.cc:1896
#2  0x00005649d9d086b6 in LinuxAIOHandler::poll (this=0x7f747c998c40, m1=0x7f747c998ce8, m2=0x7f747c998cf0, request=0x7f747c998d20) at /data/src/10.3/storage/innobase/os/os0file.cc:2041
#3  0x00005649d9d08816 in os_aio_linux_handler (global_segment=6, m1=0x7f747c998ce8, m2=0x7f747c998cf0, request=0x7f747c998d20) at /data/src/10.3/storage/innobase/os/os0file.cc:2095
#4  0x00005649d9d0d32e in os_aio_handler (segment=6, m1=0x7f747c998ce8, m2=0x7f747c998cf0, request=0x7f747c998d20) at /data/src/10.3/storage/innobase/os/os0file.cc:5678
#5  0x00005649d9f8d9ab in fil_aio_wait (segment=6) at /data/src/10.3/storage/innobase/fil/fil0fil.cc:5460
#6  0x00005649d9e1c98e in io_handler_thread (arg=0x5649db592970 <n+48>) at /data/src/10.3/storage/innobase/srv/srv0start.cc:340
#7  0x00007f749e0fd494 in start_thread (arg=0x7f747c999700) at pthread_create.c:333
#8  0x00007f749c27593f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 31 (Thread 0x7f747d19a700 (LWP 26844)):
#0  0x00007f749def46ea in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x00005649d9d08189 in LinuxAIOHandler::collect (this=0x7f747d199c40) at /data/src/10.3/storage/innobase/os/os0file.cc:1896
#2  0x00005649d9d086b6 in LinuxAIOHandler::poll (this=0x7f747d199c40, m1=0x7f747d199ce8, m2=0x7f747d199cf0, request=0x7f747d199d20) at /data/src/10.3/storage/innobase/os/os0file.cc:2041
#3  0x00005649d9d08816 in os_aio_linux_handler (global_segment=5, m1=0x7f747d199ce8, m2=0x7f747d199cf0, request=0x7f747d199d20) at /data/src/10.3/storage/innobase/os/os0file.cc:2095
#4  0x00005649d9d0d32e in os_aio_handler (segment=5, m1=0x7f747d199ce8, m2=0x7f747d199cf0, request=0x7f747d199d20) at /data/src/10.3/storage/innobase/os/os0file.cc:5678
#5  0x00005649d9f8d9ab in fil_aio_wait (segment=5) at /data/src/10.3/storage/innobase/fil/fil0fil.cc:5460
#6  0x00005649d9e1c98e in io_handler_thread (arg=0x5649db592968 <n+40>) at /data/src/10.3/storage/innobase/srv/srv0start.cc:340
#7  0x00007f749e0fd494 in start_thread (arg=0x7f747d19a700) at pthread_create.c:333
#8  0x00007f749c27593f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 30 (Thread 0x7f7498375700 (LWP 26873)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x00005649da0ee2e9 in safe_cond_timedwait (cond=0x7f7438000cb0, mp=0x7f7438000c00, abstime=0x7f7498372890, file=0x5649da1b32c0 "/data/src/10.3/include/mysql/psi/mysql_thread.h", line=1186) at /data/src/10.3/mysys/thr_mutex.c:546
#2  0x00005649d97b3525 in inline_mysql_cond_timedwait (that=0x7f7438000cb0, mutex=0x7f7438000c00, abstime=0x7f7498372890, src_file=0x5649da1b353a "/data/src/10.3/sql/mdl.cc", src_line=1093) at /data/src/10.3/include/mysql/psi/mysql_thread.h:1186
#3  0x00005649d97b493d in MDL_wait::timed_wait (this=0x7f7438000c00, owner=0x7f7438000bb0, abs_timeout=0x7f7498372890, set_status_on_timeout=false, wait_state_name=0x5649dab36730 <MDL_key::m_namespace_to_wait_state_name+48>) at /data/src/10.3/sql/mdl.cc:1093
#4  0x00005649d97b63e5 in MDL_context::acquire_lock (this=0x7f7438000c00, mdl_request=0x7f7438013d48, lock_wait_timeout=86400) at /data/src/10.3/sql/mdl.cc:2147
#5  0x00005649d95d829f in open_table_get_mdl_lock (thd=0x7f7438000b00, ot_ctx=0x7f7498372fa0, mdl_request=0x7f7438013d48, flags=0, mdl_ticket=0x7f7498372b80) at /data/src/10.3/sql/sql_base.cc:1435
#6  0x00005649d95d8b55 in open_table (thd=0x7f7438000b00, table_list=0x7f7438013900, ot_ctx=0x7f7498372fa0) at /data/src/10.3/sql/sql_base.cc:1706
#7  0x00005649d95dbf54 in open_and_process_table (thd=0x7f7438000b00, lex=0x7f74380046f8, tables=0x7f7438013900, counter=0x7f74983730b4, flags=0, prelocking_strategy=0x7f7498373020, has_prelocking_list=false, ot_ctx=0x7f7498372fa0) at /data/src/10.3/sql/sql_base.cc:3418
#8  0x00005649d95dd109 in open_tables (thd=0x7f7438000b00, options=..., start=0x7f7498373090, counter=0x7f74983730b4, flags=0, prelocking_strategy=0x7f7498373020) at /data/src/10.3/sql/sql_base.cc:3938
#9  0x00005649d96260bd in open_tables (thd=0x7f7438000b00, tables=0x7f7498373090, counter=0x7f74983730b4, flags=0) at /data/src/10.3/sql/sql_base.h:464
#10 0x00005649d9747ec1 in mysql_update (thd=0x7f7438000b00, table_list=0x7f7438013900, fields=..., values=..., conds=0x0, order_num=0, order=0x0, limit=2, handle_duplicates=DUP_ERROR, ignore=false, found_return=0x7f74983737b0, updated_return=0x7f7498373860) at /data/src/10.3/sql/sql_update.cc:287
#11 0x00005649d965bb46 in mysql_execute_command (thd=0x7f7438000b00) at /data/src/10.3/sql/sql_parse.cc:4538
#12 0x00005649d9666a1c in mysql_parse (thd=0x7f7438000b00, rawbuf=0x7f74380137a8 "UPDATE t1 SET col2 = NULL LIMIT 2  /* QNO 12369 CON_ID 16 */", length=60, parser_state=0x7f7498374660, is_com_multi=false, is_next_command=false) at /data/src/10.3/sql/sql_parse.cc:7921
#13 0x00005649d96541bd in dispatch_command (command=COM_QUERY, thd=0x7f7438000b00, packet=0x7f743800ae01 "UPDATE t1 SET col2 = NULL LIMIT 2  /* QNO 12369 CON_ID 16 */ ", packet_length=61, is_com_multi=false, is_next_command=false) at /data/src/10.3/sql/sql_parse.cc:1819
#14 0x00005649d9652c1b in do_command (thd=0x7f7438000b00) at /data/src/10.3/sql/sql_parse.cc:1370
#15 0x00005649d97a99f4 in do_handle_one_connection (connect=0x5649dda763e0) at /data/src/10.3/sql/sql_connect.cc:1418
#16 0x00005649d97a9781 in handle_one_connection (arg=0x5649dda763e0) at /data/src/10.3/sql/sql_connect.cc:1324
#17 0x00007f749e0fd494 in start_thread (arg=0x7f7498375700) at pthread_create.c:333
#18 0x00007f749c27593f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 29 (Thread 0x7f7472ffd700 (LWP 26857)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00005649d9d15318 in os_event::wait (this=0x5649dd06b4a0) at /data/src/10.3/storage/innobase/os/os0event.cc:166
#2  0x00005649d9d14d27 in os_event::wait_low (this=0x5649dd06b4a0, reset_sig_count=6867) at /data/src/10.3/storage/innobase/os/os0event.cc:336
#3  0x00005649d9d150cd in os_event_wait_low (event=0x5649dd06b4a0, reset_sig_count=6867) at /data/src/10.3/storage/innobase/os/os0event.cc:535
#4  0x00005649d9e15827 in srv_resume_thread (slot=0x5649dab533c8 <srv_sys+328>, sig_count=6867, wait=true, timeout_usec=0) at /data/src/10.3/storage/innobase/srv/srv0srv.cc:918
#5  0x00005649d9e19b86 in srv_purge_coordinator_suspend (slot=0x5649dab533c8 <srv_sys+328>, rseg_history_len=0) at /data/src/10.3/storage/innobase/srv/srv0srv.cc:2778
#6  0x00005649d9e19f41 in srv_purge_coordinator_thread (arg=0x0) at /data/src/10.3/storage/innobase/srv/srv0srv.cc:2865
#7  0x00007f749e0fd494 in start_thread (arg=0x7f7472ffd700) at pthread_create.c:333
#8  0x00007f749c27593f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 28 (Thread 0x7f747f19e700 (LWP 26840)):
#0  0x00007f749def46ea in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x00005649d9d08189 in LinuxAIOHandler::collect (this=0x7f747f19dc40) at /data/src/10.3/storage/innobase/os/os0file.cc:1896
#2  0x00005649d9d086b6 in LinuxAIOHandler::poll (this=0x7f747f19dc40, m1=0x7f747f19dce8, m2=0x7f747f19dcf0, request=0x7f747f19dd20) at /data/src/10.3/storage/innobase/os/os0file.cc:2041
#3  0x00005649d9d08816 in os_aio_linux_handler (global_segment=1, m1=0x7f747f19dce8, m2=0x7f747f19dcf0, request=0x7f747f19dd20) at /data/src/10.3/storage/innobase/os/os0file.cc:2095
#4  0x00005649d9d0d32e in os_aio_handler (segment=1, m1=0x7f747f19dce8, m2=0x7f747f19dcf0, request=0x7f747f19dd20) at /data/src/10.3/storage/innobase/os/os0file.cc:5678
#5  0x00005649d9f8d9ab in fil_aio_wait (segment=1) at /data/src/10.3/storage/innobase/fil/fil0fil.cc:5460
#6  0x00005649d9e1c98e in io_handler_thread (arg=0x5649db592948 <n+8>) at /data/src/10.3/storage/innobase/srv/srv0start.cc:340
#7  0x00007f749e0fd494 in start_thread (arg=0x7f747f19e700) at pthread_create.c:333
#8  0x00007f749c27593f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 27 (Thread 0x7f749b070700 (LWP 26838)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x00005649da0ee2e9 in safe_cond_timedwait (cond=0x5649db547540 <COND_checkpoint>, mp=0x5649db547480 <LOCK_checkpoint>, abstime=0x7f749b06fe50, file=0x5649da31acb0 "/data/src/10.3/include/mysql/psi/mysql_thread.h", line=1186) at /data/src/10.3/mysys/thr_mutex.c:546
#2  0x00005649d9b6ebb0 in inline_mysql_cond_timedwait (that=0x5649db547540 <COND_checkpoint>, mutex=0x5649db547480 <LOCK_checkpoint>, abstime=0x7f749b06fe50, src_file=0x5649da31ace0 "/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  0x00005649d9b6f073 in my_service_thread_sleep (control=0x5649dab428c0 <checkpoint_control>, sleep_time=30000000000) at /data/src/10.3/storage/maria/ma_servicethread.c:115
#4  0x00005649d9b63998 in ma_checkpoint_background (arg=0x1e) at /data/src/10.3/storage/maria/ma_checkpoint.c:709
#5  0x00007f749e0fd494 in start_thread (arg=0x7f749b070700) at pthread_create.c:333
#6  0x00007f749c27593f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 26 (Thread 0x7f747b196700 (LWP 26848)):
#0  0x00007f749def46ea in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x00005649d9d08189 in LinuxAIOHandler::collect (this=0x7f747b195c40) at /data/src/10.3/storage/innobase/os/os0file.cc:1896
#2  0x00005649d9d086b6 in LinuxAIOHandler::poll (this=0x7f747b195c40, m1=0x7f747b195ce8, m2=0x7f747b195cf0, request=0x7f747b195d20) at /data/src/10.3/storage/innobase/os/os0file.cc:2041
#3  0x00005649d9d08816 in os_aio_linux_handler (global_segment=9, m1=0x7f747b195ce8, m2=0x7f747b195cf0, request=0x7f747b195d20) at /data/src/10.3/storage/innobase/os/os0file.cc:2095
#4  0x00005649d9d0d32e in os_aio_handler (segment=9, m1=0x7f747b195ce8, m2=0x7f747b195cf0, request=0x7f747b195d20) at /data/src/10.3/storage/innobase/os/os0file.cc:5678
#5  0x00005649d9f8d9ab in fil_aio_wait (segment=9) at /data/src/10.3/storage/innobase/fil/fil0fil.cc:5460
#6  0x00005649d9e1c98e in io_handler_thread (arg=0x5649db592988 <n+72>) at /data/src/10.3/storage/innobase/srv/srv0start.cc:340
#7  0x00007f749e0fd494 in start_thread (arg=0x7f747b196700) at pthread_create.c:333
#8  0x00007f749c27593f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 25 (Thread 0x7f7478991700 (LWP 26854)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x00005649d9d14bbd in os_event::timed_wait (this=0x5649ddcb8900, abstime=0x7f7478990ea0) at /data/src/10.3/storage/innobase/os/os0event.cc:286
#2  0x00005649d9d14ec7 in os_event::wait_time_low (this=0x5649ddcb8900, time_in_usec=10000000, reset_sig_count=621) at /data/src/10.3/storage/innobase/os/os0event.cc:413
#3  0x00005649d9d150a8 in os_event_wait_time_low (event=0x5649ddcb8900, time_in_usec=10000000, reset_sig_count=0) at /data/src/10.3/storage/innobase/os/os0event.cc:518
#4  0x00005649d9f729e7 in dict_stats_thread () at /data/src/10.3/storage/innobase/dict/dict0stats_bg.cc:451
#5  0x00007f749e0fd494 in start_thread (arg=0x7f7478991700) at pthread_create.c:333
#6  0x00007f749c27593f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 24 (Thread 0x7f74727fc700 (LWP 26858)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00005649d9d15318 in os_event::wait (this=0x5649dd06b520) at /data/src/10.3/storage/innobase/os/os0event.cc:166
#2  0x00005649d9d14d27 in os_event::wait_low (this=0x5649dd06b520, reset_sig_count=21032) at /data/src/10.3/storage/innobase/os/os0event.cc:336
#3  0x00005649d9d150cd in os_event_wait_low (event=0x5649dd06b520, reset_sig_count=0) at /data/src/10.3/storage/innobase/os/os0event.cc:535
#4  0x00005649d9e15827 in srv_resume_thread (slot=0x5649dab53400 <srv_sys+384>, sig_count=0, wait=true, timeout_usec=0) at /data/src/10.3/storage/innobase/srv/srv0srv.cc:918
#5  0x00005649d9e1969b in srv_worker_thread (arg=0x0) at /data/src/10.3/storage/innobase/srv/srv0srv.cc:2625
#6  0x00007f749e0fd494 in start_thread (arg=0x7f74727fc700) at pthread_create.c:333
#7  0x00007f749c27593f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 23 (Thread 0x7f7473fff700 (LWP 26855)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x00005649d9d14bbd in os_event::timed_wait (this=0x5649dd98a350, abstime=0x7f7473ffec90) at /data/src/10.3/storage/innobase/os/os0event.cc:286
#2  0x00005649d9d14ec7 in os_event::wait_time_low (this=0x5649dd98a350, time_in_usec=5000000, reset_sig_count=2124) at /data/src/10.3/storage/innobase/os/os0event.cc:413
#3  0x00005649d9d150a8 in os_event_wait_time_low (event=0x5649dd98a350, time_in_usec=5000000, reset_sig_count=2124) at /data/src/10.3/storage/innobase/os/os0event.cc:518
#4  0x00005649d9e85846 in ib_wqueue_timedwait (wq=0x5649dd98a2c0, wait_in_usecs=5000000) at /data/src/10.3/storage/innobase/ut/ut0wqueue.cc:163
#5  0x00005649d9fd8b62 in fts_optimize_thread (arg=0x5649dd98a2c0) at /data/src/10.3/storage/innobase/fts/fts0opt.cc:3041
#6  0x00007f749e0fd494 in start_thread (arg=0x7f7473fff700) at pthread_create.c:333
#7  0x00007f749c27593f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 22 (Thread 0x7f749c090700 (LWP 26837)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x00005649da0ee2e9 in safe_cond_timedwait (cond=0x5649db5aa200 <COND_timer>, mp=0x5649db5aa140 <LOCK_timer>, abstime=0x7f749c08ff00, file=0x5649da4bece0 "/data/src/10.3/include/mysql/psi/mysql_thread.h", line=1186) at /data/src/10.3/mysys/thr_mutex.c:546
#2  0x00005649da0ef2d8 in inline_mysql_cond_timedwait (that=0x5649db5aa200 <COND_timer>, mutex=0x5649db5aa140 <LOCK_timer>, abstime=0x7f749c08ff00, src_file=0x5649da4bed10 "/data/src/10.3/mysys/thr_timer.c", src_line=292) at /data/src/10.3/include/mysql/psi/mysql_thread.h:1186
#3  0x00005649da0efdd5 in timer_handler (arg=0x0) at /data/src/10.3/mysys/thr_timer.c:292
#4  0x00007f749e0fd494 in start_thread (arg=0x7f749c090700) at pthread_create.c:333
#5  0x00007f749c27593f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 21 (Thread 0x7f748c584700 (LWP 27452)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x00005649da0ee2e9 in safe_cond_timedwait (cond=0x5649dad109c0 <COND_thread_cache>, mp=0x5649dad13280 <LOCK_thread_cache>, abstime=0x7f748c583df0, file=0x5649da152e80 "/data/src/10.3/include/mysql/psi/mysql_thread.h", line=1186) at /data/src/10.3/mysys/thr_mutex.c:546
#2  0x00005649d9562757 in inline_mysql_cond_timedwait (that=0x5649dad109c0 <COND_thread_cache>, mutex=0x5649dad13280 <LOCK_thread_cache>, abstime=0x7f748c583df0, src_file=0x5649da154c2a "/data/src/10.3/sql/mysqld.cc", src_line=2966) at /data/src/10.3/include/mysql/psi/mysql_thread.h:1186
#3  0x00005649d95677cb in cache_thread (thd=0x7f741c000b00) at /data/src/10.3/sql/mysqld.cc:2965
#4  0x00005649d9567a6f in one_thread_per_connection_end (thd=0x7f741c000b00, put_in_cache=true) at /data/src/10.3/sql/mysqld.cc:3054
#5  0x00005649d97a9add in do_handle_one_connection (connect=0x5649dda763e0) at /data/src/10.3/sql/sql_connect.cc:1437
#6  0x00005649d97a9781 in handle_one_connection (arg=0x5649dda763e0) at /data/src/10.3/sql/sql_connect.cc:1324
#7  0x00007f749e0fd494 in start_thread (arg=0x7f748c584700) at pthread_create.c:333
#8  0x00007f749c27593f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 20 (Thread 0x7f7498297700 (LWP 26883)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x00005649da0ee2e9 in safe_cond_timedwait (cond=0x5649dad109c0 <COND_thread_cache>, mp=0x5649dad13280 <LOCK_thread_cache>, abstime=0x7f7498296df0, file=0x5649da152e80 "/data/src/10.3/include/mysql/psi/mysql_thread.h", line=1186) at /data/src/10.3/mysys/thr_mutex.c:546
#2  0x00005649d9562757 in inline_mysql_cond_timedwait (that=0x5649dad109c0 <COND_thread_cache>, mutex=0x5649dad13280 <LOCK_thread_cache>, abstime=0x7f7498296df0, src_file=0x5649da154c2a "/data/src/10.3/sql/mysqld.cc", src_line=2966) at /data/src/10.3/include/mysql/psi/mysql_thread.h:1186
#3  0x00005649d95677cb in cache_thread (thd=0x7f7424000b00) at /data/src/10.3/sql/mysqld.cc:2965
#4  0x00005649d9567a6f in one_thread_per_connection_end (thd=0x7f7424000b00, put_in_cache=true) at /data/src/10.3/sql/mysqld.cc:3054
#5  0x00005649d97a9add in do_handle_one_connection (connect=0x5649dda763e0) at /data/src/10.3/sql/sql_connect.cc:1437
#6  0x00005649d97a9781 in handle_one_connection (arg=0x5649dda763e0) at /data/src/10.3/sql/sql_connect.cc:1324
#7  0x00007f749e0fd494 in start_thread (arg=0x7f7498297700) at pthread_create.c:333
#8  0x00007f749c27593f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 19 (Thread 0x7f745b7fe700 (LWP 26863)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00005649d9d15318 in os_event::wait (this=0x5649dd06b8a0) at /data/src/10.3/storage/innobase/os/os0event.cc:166
#2  0x00005649d9d14d27 in os_event::wait_low (this=0x5649dd06b8a0, reset_sig_count=1) at /data/src/10.3/storage/innobase/os/os0event.cc:336
#3  0x00005649d9d150cd in os_event_wait_low (event=0x5649dd06b8a0, reset_sig_count=0) at /data/src/10.3/storage/innobase/os/os0event.cc:535
#4  0x00005649d9eecc79 in buf_resize_thread () at /data/src/10.3/storage/innobase/buf/buf0buf.cc:3073
#5  0x00007f749e0fd494 in start_thread (arg=0x7f745b7fe700) at pthread_create.c:333
#6  0x00007f749c27593f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 18 (Thread 0x7f74737fe700 (LWP 26856)):
#0  0x00007f749e1067dd in nanosleep () at ../sysdeps/unix/syscall-template.S:84
#1  0x00005649d9d1560f in os_thread_sleep (tm=1000000) at /data/src/10.3/storage/innobase/os/os0thread.cc:230
#2  0x00005649d9e1905c in srv_master_sleep () at /data/src/10.3/storage/innobase/srv/srv0srv.cc:2436
#3  0x00005649d9e1919e in srv_master_thread (arg=0x0) at /data/src/10.3/storage/innobase/srv/srv0srv.cc:2481
#4  0x00007f749e0fd494 in start_thread (arg=0x7f74737fe700) at pthread_create.c:333
#5  0x00007f749c27593f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 17 (Thread 0x7f745affd700 (LWP 26864)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00005649da0edfdf in safe_cond_wait (cond=0x7f745affce10, mp=0x7f745affce50, file=0x5649da340fc0 "/data/src/10.3/include/mysql/psi/mysql_thread.h", line=1149) at /data/src/10.3/mysys/thr_mutex.c:492
#2  0x00005649d9c320eb in inline_mysql_cond_wait (that=0x7f745affce10, mutex=0x7f745affce50, src_file=0x5649da342790 "/data/src/10.3/storage/innobase/handler/ha_innodb.cc", src_line=321) at /data/src/10.3/include/mysql/psi/mysql_thread.h:1149
#3  0x00005649d9c372c6 in thd_destructor_proxy () at /data/src/10.3/storage/innobase/handler/ha_innodb.cc:321
#4  0x00007f749e0fd494 in start_thread (arg=0x7f745affd700) at pthread_create.c:333
#5  0x00007f749c27593f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 16 (Thread 0x7f7471ffb700 (LWP 26859)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00005649d9d15318 in os_event::wait (this=0x5649dd06b620) at /data/src/10.3/storage/innobase/os/os0event.cc:166
#2  0x00005649d9d14d27 in os_event::wait_low (this=0x5649dd06b620, reset_sig_count=18895) at /data/src/10.3/storage/innobase/os/os0event.cc:336
#3  0x00005649d9d150cd in os_event_wait_low (event=0x5649dd06b620, reset_sig_count=0) at /data/src/10.3/storage/innobase/os/os0event.cc:535
#4  0x00005649d9e15827 in srv_resume_thread (slot=0x5649dab53470 <srv_sys+496>, sig_count=0, wait=true, timeout_usec=0) at /data/src/10.3/storage/innobase/srv/srv0srv.cc:918
#5  0x00005649d9e1969b in srv_worker_thread (arg=0x0) at /data/src/10.3/storage/innobase/srv/srv0srv.cc:2625
#6  0x00007f749e0fd494 in start_thread (arg=0x7f7471ffb700) at pthread_create.c:333
#7  0x00007f749c27593f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 15 (Thread 0x7f749e517040 (LWP 26836)):
#0  0x00007f749c26c4ed in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00005649d956e6bf in handle_connections_sockets () at /data/src/10.3/sql/mysqld.cc:6662
#2  0x00005649d956d981 in mysqld_main (argc=44, argv=0x5649dcef59e0) at /data/src/10.3/sql/mysqld.cc:6127
#3  0x00005649d9561f50 in main (argc=44, argv=0x7ffd408865b8) at /data/src/10.3/sql/main.cc:25

Thread 14 (Thread 0x7f747e19c700 (LWP 26842)):
#0  0x00007f749def46ea in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x00005649d9d08189 in LinuxAIOHandler::collect (this=0x7f747e19bc40) at /data/src/10.3/storage/innobase/os/os0file.cc:1896
#2  0x00005649d9d086b6 in LinuxAIOHandler::poll (this=0x7f747e19bc40, m1=0x7f747e19bce8, m2=0x7f747e19bcf0, request=0x7f747e19bd20) at /data/src/10.3/storage/innobase/os/os0file.cc:2041
#3  0x00005649d9d08816 in os_aio_linux_handler (global_segment=3, m1=0x7f747e19bce8, m2=0x7f747e19bcf0, request=0x7f747e19bd20) at /data/src/10.3/storage/innobase/os/os0file.cc:2095
#4  0x00005649d9d0d32e in os_aio_handler (segment=3, m1=0x7f747e19bce8, m2=0x7f747e19bcf0, request=0x7f747e19bd20) at /data/src/10.3/storage/innobase/os/os0file.cc:5678
#5  0x00005649d9f8d9ab in fil_aio_wait (segment=3) at /data/src/10.3/storage/innobase/fil/fil0fil.cc:5460
#6  0x00005649d9e1c98e in io_handler_thread (arg=0x5649db592958 <n+24>) at /data/src/10.3/storage/innobase/srv/srv0start.cc:340
#7  0x00007f749e0fd494 in start_thread (arg=0x7f747e19c700) at pthread_create.c:333
#8  0x00007f749c27593f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 13 (Thread 0x7f7479192700 (LWP 26853)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x00005649d9d14bbd in os_event::timed_wait (this=0x5649dd06b720, abstime=0x7f7479191e50) at /data/src/10.3/storage/innobase/os/os0event.cc:286
#2  0x00005649d9d14ec7 in os_event::wait_time_low (this=0x5649dd06b720, time_in_usec=5000000, reset_sig_count=1) at /data/src/10.3/storage/innobase/os/os0event.cc:413
#3  0x00005649d9d150a8 in os_event_wait_time_low (event=0x5649dd06b720, time_in_usec=5000000, reset_sig_count=1) at /data/src/10.3/storage/innobase/os/os0event.cc:518
#4  0x00005649d9e1765d in srv_monitor_thread () at /data/src/10.3/storage/innobase/srv/srv0srv.cc:1722
#5  0x00007f749e0fd494 in start_thread (arg=0x7f7479192700) at pthread_create.c:333
#6  0x00007f749c27593f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 12 (Thread 0x7f74983bf700 (LWP 26868)):
#0  0x00007f749c26c4ed in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00005649da14ec95 in vio_io_wait (vio=0x5649dda90a50, event=VIO_IO_EVENT_READ, timeout=28800000) at /data/src/10.3/vio/viosocket.c:945
#2  0x00005649da14d43b in vio_socket_io_wait (vio=0x5649dda90a50, event=VIO_IO_EVENT_READ) at /data/src/10.3/vio/viosocket.c:108
#3  0x00005649da14d613 in vio_read (vio=0x5649dda90a50, buf=0x7f743400ae00 "\a", size=4) at /data/src/10.3/vio/viosocket.c:184
#4  0x00005649d9577767 in my_real_read (net=0x7f7434000dc8, complen=0x7f74983beda0, header=1 '\001') at /data/src/10.3/sql/net_serv.cc:952
#5  0x00005649d9577fd9 in my_net_read_packet_reallen (net=0x7f7434000dc8, read_from_server=1 '\001', reallen=0x7f74983bee08) at /data/src/10.3/sql/net_serv.cc:1233
#6  0x00005649d9577f8d in my_net_read_packet (net=0x7f7434000dc8, read_from_server=1 '\001') at /data/src/10.3/sql/net_serv.cc:1217
#7  0x00005649d9652766 in do_command (thd=0x7f7434000b00) at /data/src/10.3/sql/sql_parse.cc:1251
#8  0x00005649d97a99f4 in do_handle_one_connection (connect=0x5649dda763e0) at /data/src/10.3/sql/sql_connect.cc:1418
#9  0x00005649d97a9781 in handle_one_connection (arg=0x5649dda763e0) at /data/src/10.3/sql/sql_connect.cc:1324
#10 0x00007f749e0fd494 in start_thread (arg=0x7f74983bf700) at pthread_create.c:333
#11 0x00007f749c27593f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 11 (Thread 0x7f7479993700 (LWP 26852)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x00005649d9d14bbd in os_event::timed_wait (this=0x5649dd06b6a0, abstime=0x7f7479992ce0) at /data/src/10.3/storage/innobase/os/os0event.cc:286
#2  0x00005649d9d14ec7 in os_event::wait_time_low (this=0x5649dd06b6a0, time_in_usec=1000000, reset_sig_count=1) at /data/src/10.3/storage/innobase/os/os0event.cc:413
#3  0x00005649d9d150a8 in os_event_wait_time_low (event=0x5649dd06b6a0, time_in_usec=1000000, reset_sig_count=1) at /data/src/10.3/storage/innobase/os/os0event.cc:518
#4  0x00005649d9e17d2e in srv_error_monitor_thread () at /data/src/10.3/storage/innobase/srv/srv0srv.cc:1947
#5  0x00007f749e0fd494 in start_thread (arg=0x7f7479993700) at pthread_create.c:333
#6  0x00007f749c27593f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 10 (Thread 0x7f74982e1700 (LWP 26882)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x00005649da0ee2e9 in safe_cond_timedwait (cond=0x7f7430000cb0, mp=0x7f7430000c00, abstime=0x7f74982dd0e0, file=0x5649da1b32c0 "/data/src/10.3/include/mysql/psi/mysql_thread.h", line=1186) at /data/src/10.3/mysys/thr_mutex.c:546
#2  0x00005649d97b3525 in inline_mysql_cond_timedwait (that=0x7f7430000cb0, mutex=0x7f7430000c00, abstime=0x7f74982dd0e0, src_file=0x5649da1b353a "/data/src/10.3/sql/mdl.cc", src_line=1093) at /data/src/10.3/include/mysql/psi/mysql_thread.h:1186
#3  0x00005649d97b493d in MDL_wait::timed_wait (this=0x7f7430000c00, owner=0x7f7430000bb0, abs_timeout=0x7f74982dd0e0, set_status_on_timeout=false, wait_state_name=0x5649dab36730 <MDL_key::m_namespace_to_wait_state_name+48>) at /data/src/10.3/sql/mdl.cc:1093
#4  0x00005649d97b63e5 in MDL_context::acquire_lock (this=0x7f7430000c00, mdl_request=0x7f74982dd1a0, lock_wait_timeout=86400) at /data/src/10.3/sql/mdl.cc:2147
#5  0x00005649d97b6b19 in MDL_context::upgrade_shared_lock (this=0x7f7430000c00, mdl_ticket=0x7f743004cff0, new_type=MDL_EXCLUSIVE, lock_wait_timeout=86400) at /data/src/10.3/sql/mdl.cc:2335
#6  0x00005649d972aa8c in mysql_inplace_alter_table (thd=0x7f7430000b00, table_list=0x7f7430013840, table=0x7f74300ad680, altered_table=0x7f74300eff50, ha_alter_info=0x7f74982dd570, inplace_supported=HA_ALTER_INPLACE_NO_LOCK_AFTER_PREPARE, target_mdl_request=0x7f74982dd5e0, alter_ctx=0x7f74982de1a0) at /data/src/10.3/sql/sql_table.cc:7116
#7  0x00005649d973023c in mysql_alter_table (thd=0x7f7430000b00, new_db=0x7f7430013e50 "test", new_name=0x0, create_info=0x7f74982dedb0, table_list=0x7f7430013840, alter_info=0x7f74982ded00, order_num=0, order=0x0, ignore=false) at /data/src/10.3/sql/sql_table.cc:9205
#8  0x00005649d97aee7b in Sql_cmd_alter_table::execute (this=0x7f7430013f60, thd=0x7f7430000b00) at /data/src/10.3/sql/sql_alter.cc:331
#9  0x00005649d9662172 in mysql_execute_command (thd=0x7f7430000b00) at /data/src/10.3/sql/sql_parse.cc:6236
#10 0x00005649d9666a1c in mysql_parse (thd=0x7f7430000b00, rawbuf=0x7f74300136e8 "ALTER TABLE t1 ADD COLUMN extra INT /* QNO 14347 CON_ID 18 */", length=61, parser_state=0x7f74982e0660, is_com_multi=false, is_next_command=false) at /data/src/10.3/sql/sql_parse.cc:7921
#11 0x00005649d96541bd in dispatch_command (command=COM_QUERY, thd=0x7f7430000b00, packet=0x7f743000ae01 "ALTER TABLE t1 ADD COLUMN extra INT /* QNO 14347 CON_ID 18 */ ", packet_length=62, is_com_multi=false, is_next_command=false) at /data/src/10.3/sql/sql_parse.cc:1819
#12 0x00005649d9652c1b in do_command (thd=0x7f7430000b00) at /data/src/10.3/sql/sql_parse.cc:1370
#13 0x00005649d97a99f4 in do_handle_one_connection (connect=0x5649dda763e0) at /data/src/10.3/sql/sql_connect.cc:1418
#14 0x00005649d97a9781 in handle_one_connection (arg=0x5649dda763e0) at /data/src/10.3/sql/sql_connect.cc:1324
#15 0x00007f749e0fd494 in start_thread (arg=0x7f74982e1700) at pthread_create.c:333
#16 0x00007f749c27593f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 9 (Thread 0x7f747a194700 (LWP 26851)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x00005649d9d14bbd in os_event::timed_wait (this=0x5649ddba1430, abstime=0x7f747a193e80) at /data/src/10.3/storage/innobase/os/os0event.cc:286
#2  0x00005649d9d14ec7 in os_event::wait_time_low (this=0x5649ddba1430, time_in_usec=1000000, reset_sig_count=1) at /data/src/10.3/storage/innobase/os/os0event.cc:413
#3  0x00005649d9d150a8 in os_event_wait_time_low (event=0x5649ddba1430, time_in_usec=1000000, reset_sig_count=1) at /data/src/10.3/storage/innobase/os/os0event.cc:518
#4  0x00005649d9cdffef in lock_wait_timeout_thread () at /data/src/10.3/storage/innobase/lock/lock0wait.cc:529
#5  0x00007f749e0fd494 in start_thread (arg=0x7f747a194700) at pthread_create.c:333
#6  0x00007f749c27593f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 8 (Thread 0x7f747e99d700 (LWP 26841)):
#0  0x00007f749def46ea in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x00005649d9d08189 in LinuxAIOHandler::collect (this=0x7f747e99cc40) at /data/src/10.3/storage/innobase/os/os0file.cc:1896
#2  0x00005649d9d086b6 in LinuxAIOHandler::poll (this=0x7f747e99cc40, m1=0x7f747e99cce8, m2=0x7f747e99ccf0, request=0x7f747e99cd20) at /data/src/10.3/storage/innobase/os/os0file.cc:2041
#3  0x00005649d9d08816 in os_aio_linux_handler (global_segment=2, m1=0x7f747e99cce8, m2=0x7f747e99ccf0, request=0x7f747e99cd20) at /data/src/10.3/storage/innobase/os/os0file.cc:2095
#4  0x00005649d9d0d32e in os_aio_handler (segment=2, m1=0x7f747e99cce8, m2=0x7f747e99ccf0, request=0x7f747e99cd20) at /data/src/10.3/storage/innobase/os/os0file.cc:5678
#5  0x00005649d9f8d9ab in fil_aio_wait (segment=2) at /data/src/10.3/storage/innobase/fil/fil0fil.cc:5460
#6  0x00005649d9e1c98e in io_handler_thread (arg=0x5649db592950 <n+16>) at /data/src/10.3/storage/innobase/srv/srv0start.cc:340
#7  0x00007f749e0fd494 in start_thread (arg=0x7f747e99d700) at pthread_create.c:333
#8  0x00007f749c27593f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 7 (Thread 0x7f747d99b700 (LWP 26843)):
#0  0x00007f749def46ea in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x00005649d9d08189 in LinuxAIOHandler::collect (this=0x7f747d99ac40) at /data/src/10.3/storage/innobase/os/os0file.cc:1896
#2  0x00005649d9d086b6 in LinuxAIOHandler::poll (this=0x7f747d99ac40, m1=0x7f747d99ace8, m2=0x7f747d99acf0, request=0x7f747d99ad20) at /data/src/10.3/storage/innobase/os/os0file.cc:2041
#3  0x00005649d9d08816 in os_aio_linux_handler (global_segment=4, m1=0x7f747d99ace8, m2=0x7f747d99acf0, request=0x7f747d99ad20) at /data/src/10.3/storage/innobase/os/os0file.cc:2095
#4  0x00005649d9d0d32e in os_aio_handler (segment=4, m1=0x7f747d99ace8, m2=0x7f747d99acf0, request=0x7f747d99ad20) at /data/src/10.3/storage/innobase/os/os0file.cc:5678
#5  0x00005649d9f8d9ab in fil_aio_wait (segment=4) at /data/src/10.3/storage/innobase/fil/fil0fil.cc:5460
#6  0x00005649d9e1c98e in io_handler_thread (arg=0x5649db592960 <n+32>) at /data/src/10.3/storage/innobase/srv/srv0start.cc:340
#7  0x00007f749e0fd494 in start_thread (arg=0x7f747d99b700) at pthread_create.c:333
#8  0x00007f749c27593f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 6 (Thread 0x7f747c198700 (LWP 26846)):
#0  0x00007f749def46ea in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x00005649d9d08189 in LinuxAIOHandler::collect (this=0x7f747c197c40) at /data/src/10.3/storage/innobase/os/os0file.cc:1896
#2  0x00005649d9d086b6 in LinuxAIOHandler::poll (this=0x7f747c197c40, m1=0x7f747c197ce8, m2=0x7f747c197cf0, request=0x7f747c197d20) at /data/src/10.3/storage/innobase/os/os0file.cc:2041
#3  0x00005649d9d08816 in os_aio_linux_handler (global_segment=7, m1=0x7f747c197ce8, m2=0x7f747c197cf0, request=0x7f747c197d20) at /data/src/10.3/storage/innobase/os/os0file.cc:2095
#4  0x00005649d9d0d32e in os_aio_handler (segment=7, m1=0x7f747c197ce8, m2=0x7f747c197cf0, request=0x7f747c197d20) at /data/src/10.3/storage/innobase/os/os0file.cc:5678
#5  0x00005649d9f8d9ab in fil_aio_wait (segment=7) at /data/src/10.3/storage/innobase/fil/fil0fil.cc:5460
#6  0x00005649d9e1c98e in io_handler_thread (arg=0x5649db592978 <n+56>) at /data/src/10.3/storage/innobase/srv/srv0start.cc:340
#7  0x00007f749e0fd494 in start_thread (arg=0x7f747c198700) at pthread_create.c:333
#8  0x00007f749c27593f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 5 (Thread 0x7f747f99f700 (LWP 26839)):
#0  0x00007f749def46ea in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x00005649d9d08189 in LinuxAIOHandler::collect (this=0x7f747f99ec40) at /data/src/10.3/storage/innobase/os/os0file.cc:1896
#2  0x00005649d9d086b6 in LinuxAIOHandler::poll (this=0x7f747f99ec40, m1=0x7f747f99ece8, m2=0x7f747f99ecf0, request=0x7f747f99ed20) at /data/src/10.3/storage/innobase/os/os0file.cc:2041
#3  0x00005649d9d08816 in os_aio_linux_handler (global_segment=0, m1=0x7f747f99ece8, m2=0x7f747f99ecf0, request=0x7f747f99ed20) at /data/src/10.3/storage/innobase/os/os0file.cc:2095
#4  0x00005649d9d0d32e in os_aio_handler (segment=0, m1=0x7f747f99ece8, m2=0x7f747f99ecf0, request=0x7f747f99ed20) at /data/src/10.3/storage/innobase/os/os0file.cc:5678
#5  0x00005649d9f8d9ab in fil_aio_wait (segment=0) at /data/src/10.3/storage/innobase/fil/fil0fil.cc:5460
#6  0x00005649d9e1c98e in io_handler_thread (arg=0x5649db592940 <n>) at /data/src/10.3/storage/innobase/srv/srv0start.cc:340
#7  0x00007f749e0fd494 in start_thread (arg=0x7f747f99f700) at pthread_create.c:333
#8  0x00007f749c27593f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 4 (Thread 0x7f747a995700 (LWP 26849)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x00005649d9d14bbd in os_event::timed_wait (this=0x5649dd06b820, abstime=0x7f747a994c40) at /data/src/10.3/storage/innobase/os/os0event.cc:286
#2  0x00005649d9d14ec7 in os_event::wait_time_low (this=0x5649dd06b820, time_in_usec=987000, reset_sig_count=2) at /data/src/10.3/storage/innobase/os/os0event.cc:413
#3  0x00005649d9d150a8 in os_event_wait_time_low (event=0x5649dd06b820, time_in_usec=987000, reset_sig_count=2) at /data/src/10.3/storage/innobase/os/os0event.cc:518
#4  0x00005649d9f0f977 in pc_sleep_if_needed (next_loop_time=1508885661665, sig_count=2) at /data/src/10.3/storage/innobase/buf/buf0flu.cc:2710
#5  0x00005649d9f10b49 in buf_flush_page_cleaner_coordinator () at /data/src/10.3/storage/innobase/buf/buf0flu.cc:3205
#6  0x00007f749e0fd494 in start_thread (arg=0x7f747a995700) at pthread_create.c:333
#7  0x00007f749c27593f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 3 (Thread 0x7f747b997700 (LWP 26847)):
#0  0x00007f749def46ea in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x00005649d9d08189 in LinuxAIOHandler::collect (this=0x7f747b996c40) at /data/src/10.3/storage/innobase/os/os0file.cc:1896
#2  0x00005649d9d086b6 in LinuxAIOHandler::poll (this=0x7f747b996c40, m1=0x7f747b996ce8, m2=0x7f747b996cf0, request=0x7f747b996d20) at /data/src/10.3/storage/innobase/os/os0file.cc:2041
#3  0x00005649d9d08816 in os_aio_linux_handler (global_segment=8, m1=0x7f747b996ce8, m2=0x7f747b996cf0, request=0x7f747b996d20) at /data/src/10.3/storage/innobase/os/os0file.cc:2095
#4  0x00005649d9d0d32e in os_aio_handler (segment=8, m1=0x7f747b996ce8, m2=0x7f747b996cf0, request=0x7f747b996d20) at /data/src/10.3/storage/innobase/os/os0file.cc:5678
#5  0x00005649d9f8d9ab in fil_aio_wait (segment=8) at /data/src/10.3/storage/innobase/fil/fil0fil.cc:5460
#6  0x00005649d9e1c98e in io_handler_thread (arg=0x5649db592980 <n+64>) at /data/src/10.3/storage/innobase/srv/srv0start.cc:340
#7  0x00007f749e0fd494 in start_thread (arg=0x7f747b997700) at pthread_create.c:333
#8  0x00007f749c27593f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 2 (Thread 0x7f745bfff700 (LWP 26862)):
#0  0x00007f749e1067dd in nanosleep () at ../sysdeps/unix/syscall-template.S:84
#1  0x00005649d9d1560f in os_thread_sleep (tm=1000000) at /data/src/10.3/storage/innobase/os/os0thread.cc:230
#2  0x00005649d9ede7ef in btr_defragment_thread () at /data/src/10.3/storage/innobase/btr/btr0defragment.cc:760
#3  0x00007f749e0fd494 in start_thread (arg=0x7f745bfff700) at pthread_create.c:333
#4  0x00007f749c27593f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 1 (Thread 0x7f749832b700 (LWP 26880)):
#0  __pthread_kill (threadid=<optimized out>, signo=6) at ../sysdeps/unix/sysv/linux/pthread_kill.c:57
#1  0x00005649da0e8a21 in my_write_core (sig=6) at /data/src/10.3/mysys/stacktrace.c:481
#2  0x00005649d99186f2 in handle_fatal_signal (sig=6) at /data/src/10.3/sql/signal_handler.cc:303
#3  <signal handler called>
#4  0x00007f749c1bffcf in raise () from /lib/x86_64-linux-gnu/libc.so.6
#5  0x00007f749c1c13fa in abort () from /lib/x86_64-linux-gnu/libc.so.6
#6  0x00005649d9e81b4a in ut_dbg_assertion_failed (expr=0x5649da41ba08 "ret", file=0x5649da41d598 "/data/src/10.3/storage/innobase/btr/btr0cur.cc", line=7062) at /data/src/10.3/storage/innobase/ut/ut0dbg.cc:61
#7  0x00005649d9ec6c08 in btr_blob_log_check_t::check (this=0x7f7498326fa0) at /data/src/10.3/storage/innobase/btr/btr0cur.cc:7062
#8  0x00005649d9ec3015 in btr_store_big_rec_extern_fields (pcur=0x7f7498327ae0, upd=0x0, offsets=0x7f74983282e0, big_rec_vec=0x7f742c0fe078, btr_mtr=0x7f7498327be0, op=BTR_STORE_INSERT) at /data/src/10.3/storage/innobase/btr/btr0cur.cc:7234
#9  0x00005649d9d7d50d in row_ins_index_entry_big_rec (entry=0x7f742c0dc678, big_rec=0x7f742c0fe078, offsets=0x7f74983282e0, heap=0x7f7498328170, thd=0x7f742c000b00, index=0x7f74300f70d8) at /data/src/10.3/storage/innobase/row/row0ins.cc:2507
#10 0x00005649d9d7e42e in row_ins_clust_index_entry_low (flags=0, mode=2, index=0x7f74300f70d8, n_uniq=1, entry=0x7f742c0dc678, n_ext=0, thr=0x7f74385b54a0, dup_chk_only=false) at /data/src/10.3/storage/innobase/row/row0ins.cc:2785
#11 0x00005649d9d7fa9f in row_ins_clust_index_entry (index=0x7f74300f70d8, entry=0x7f742c0dc678, thr=0x7f74385b54a0, n_ext=0, dup_chk_only=false) at /data/src/10.3/storage/innobase/row/row0ins.cc:3244
#12 0x00005649d9d7fede in row_ins_index_entry (index=0x7f74300f70d8, entry=0x7f742c0dc678, thr=0x7f74385b54a0) at /data/src/10.3/storage/innobase/row/row0ins.cc:3359
#13 0x00005649d9d8048c in row_ins_index_entry_step (node=0x7f74385b51f0, thr=0x7f74385b54a0) at /data/src/10.3/storage/innobase/row/row0ins.cc:3509
#14 0x00005649d9d80867 in row_ins (node=0x7f74385b51f0, thr=0x7f74385b54a0) at /data/src/10.3/storage/innobase/row/row0ins.cc:3651
#15 0x00005649d9d810bc in row_ins_step (thr=0x7f74385b54a0) at /data/src/10.3/storage/innobase/row/row0ins.cc:3855
#16 0x00005649d9da0430 in row_insert_for_mysql (mysql_rec=0x7f743851adb8 "\374\001 п\017,t\177", prebuilt=0x7f74385b4c38) at /data/src/10.3/storage/innobase/row/row0mysql.cc:1489
#17 0x00005649d9c45d9c in ha_innobase::write_row (this=0x7f7438581968, record=0x7f743851adb8 "\374\001 п\017,t\177") at /data/src/10.3/storage/innobase/handler/ha_innodb.cc:8347
#18 0x00005649d9928451 in handler::ha_write_row (this=0x7f7438581968, buf=0x7f743851adb8 "\374\001 п\017,t\177") at /data/src/10.3/sql/handler.cc:6022
#19 0x00005649d962b25f in write_record (thd=0x7f742c000b00, table=0x7f7438593250, info=0x7f7498329400) at /data/src/10.3/sql/sql_insert.cc:1929
#20 0x00005649d9628be4 in mysql_insert (thd=0x7f742c000b00, table_list=0x7f742c0138c0, fields=..., values_list=..., update_fields=..., update_values=..., duplic=DUP_ERROR, ignore=false) at /data/src/10.3/sql/sql_insert.cc:1057
#21 0x00005649d965c1f2 in mysql_execute_command (thd=0x7f742c000b00) at /data/src/10.3/sql/sql_parse.cc:4684
#22 0x00005649d9666a1c in mysql_parse (thd=0x7f742c000b00, rawbuf=0x7f742c0136e8 "INSERT INTO t1 (col1,col2,col3,col4) VALUES ( 4, 4 - 1, 4, REPEAT(CAST(4 AS CHAR(1)),@fill_amount)) /* QNO 14979 CON_ID 17 */", length=125, parser_state=0x7f749832a660, is_com_multi=false, is_next_command=false) at /data/src/10.3/sql/sql_parse.cc:7921
#23 0x00005649d96541bd in dispatch_command (command=COM_QUERY, thd=0x7f742c000b00, packet=0x7f742c00ae01 "INSERT INTO t1 (col1,col2,col3,col4) VALUES ( 4, 4 - 1, 4, REPEAT(CAST(4 AS CHAR(1)),@fill_amount)) /* QNO 14979 CON_ID 17 */ ", packet_length=126, is_com_multi=false, is_next_command=false) at /data/src/10.3/sql/sql_parse.cc:1819
#24 0x00005649d9652c1b in do_command (thd=0x7f742c000b00) at /data/src/10.3/sql/sql_parse.cc:1370
#25 0x00005649d97a99f4 in do_handle_one_connection (connect=0x5649dda763e0) at /data/src/10.3/sql/sql_connect.cc:1418
#26 0x00005649d97a9781 in handle_one_connection (arg=0x5649dda763e0) at /data/src/10.3/sql/sql_connect.cc:1324
#27 0x00007f749e0fd494 in start_thread (arg=0x7f749832b700) at pthread_create.c:333
#28 0x00007f749c27593f in clone () from /lib/x86_64-linux-gnu/libc.so.6