[New LWP 25631]
[New LWP 21392]
[New LWP 21341]
[New LWP 21338]
[New LWP 21337]
[New LWP 21336]
[New LWP 21331]
[New LWP 21328]
[New LWP 21327]
[New LWP 21326]
[New LWP 21324]
[New LWP 21323]
[New LWP 21322]
[New LWP 21321]
[New LWP 21320]
[New LWP 21319]
[New LWP 21318]
[New LWP 21317]
[New LWP 21316]
[New LWP 21315]
[New LWP 21314]
[New LWP 21313]
[New LWP 21312]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185

Thread 24 (Thread 0x7f49ae6be700 (LWP 21312)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x0000557f517da6ef in safe_cond_timedwait (cond=0x557f52d1c300 <COND_timer>, mp=0x557f52d1c240 <LOCK_timer>, abstime=0x7f49ae6bdf00, file=0x557f51bf9590 "/data/src/10.3/include/mysql/psi/mysql_thread.h", line=1215) at /data/src/10.3/mysys/thr_mutex.c:546
#2  0x0000557f517db6de in inline_mysql_cond_timedwait (that=0x557f52d1c300 <COND_timer>, mutex=0x557f52d1c240 <LOCK_timer>, abstime=0x7f49ae6bdf00, src_file=0x557f51bf95c0 "/data/src/10.3/mysys/thr_timer.c", src_line=292) at /data/src/10.3/include/mysql/psi/mysql_thread.h:1215
#3  0x0000557f517dc1db in timer_handler (arg=0x0) at /data/src/10.3/mysys/thr_timer.c:292
#4  0x00007f49b04bd494 in start_thread (arg=0x7f49ae6be700) at pthread_create.c:333
#5  0x00007f49ae8a393f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 23 (Thread 0x7f4999af6700 (LWP 21313)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x0000557f517da6ef in safe_cond_timedwait (cond=0x557f52cb8100 <COND_checkpoint>, mp=0x557f52cb8040 <LOCK_checkpoint>, abstime=0x7f4999af5e50, file=0x557f51a5a930 "/data/src/10.3/include/mysql/psi/mysql_thread.h", line=1215) at /data/src/10.3/mysys/thr_mutex.c:546
#2  0x0000557f5126cd93 in inline_mysql_cond_timedwait (that=0x557f52cb8100 <COND_checkpoint>, mutex=0x557f52cb8040 <LOCK_checkpoint>, abstime=0x7f4999af5e50, src_file=0x557f51a5a960 "/data/src/10.3/storage/maria/ma_servicethread.c", src_line=116) at /data/src/10.3/include/mysql/psi/mysql_thread.h:1215
#3  0x0000557f5126d256 in my_service_thread_sleep (control=0x557f522af700 <checkpoint_control>, sleep_time=30000000000) at /data/src/10.3/storage/maria/ma_servicethread.c:115
#4  0x0000557f51261b54 in ma_checkpoint_background (arg=0x1e) at /data/src/10.3/storage/maria/ma_checkpoint.c:707
#5  0x00007f49b04bd494 in start_thread (arg=0x7f4999af6700) at pthread_create.c:333
#6  0x00007f49ae8a393f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 22 (Thread 0x7f4998ad7700 (LWP 21314)):
#0  0x00007f49b02b46ea in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x0000557f513ffd9d in LinuxAIOHandler::collect (this=0x7f4998ad6c40) at /data/src/10.3/storage/innobase/os/os0file.cc:1929
#2  0x0000557f514002ca in LinuxAIOHandler::poll (this=0x7f4998ad6c40, m1=0x7f4998ad6ce8, m2=0x7f4998ad6cf0, request=0x7f4998ad6d20) at /data/src/10.3/storage/innobase/os/os0file.cc:2074
#3  0x0000557f5140042a in os_aio_linux_handler (global_segment=0, m1=0x7f4998ad6ce8, m2=0x7f4998ad6cf0, request=0x7f4998ad6d20) at /data/src/10.3/storage/innobase/os/os0file.cc:2128
#4  0x0000557f51404fea in os_aio_handler (segment=0, m1=0x7f4998ad6ce8, m2=0x7f4998ad6cf0, request=0x7f4998ad6d20) at /data/src/10.3/storage/innobase/os/os0file.cc:5656
#5  0x0000557f516752a9 in fil_aio_wait (segment=0) at /data/src/10.3/storage/innobase/fil/fil0fil.cc:4678
#6  0x0000557f515118b0 in io_handler_thread (arg=0x557f52d036c0 <n>) at /data/src/10.3/storage/innobase/srv/srv0start.cc:339
#7  0x00007f49b04bd494 in start_thread (arg=0x7f4998ad7700) at pthread_create.c:333
#8  0x00007f49ae8a393f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 21 (Thread 0x7f49899ff700 (LWP 21315)):
#0  0x00007f49b02b46ea in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x0000557f513ffd9d in LinuxAIOHandler::collect (this=0x7f49899fec40) at /data/src/10.3/storage/innobase/os/os0file.cc:1929
#2  0x0000557f514002ca in LinuxAIOHandler::poll (this=0x7f49899fec40, m1=0x7f49899fece8, m2=0x7f49899fecf0, request=0x7f49899fed20) at /data/src/10.3/storage/innobase/os/os0file.cc:2074
#3  0x0000557f5140042a in os_aio_linux_handler (global_segment=1, m1=0x7f49899fece8, m2=0x7f49899fecf0, request=0x7f49899fed20) at /data/src/10.3/storage/innobase/os/os0file.cc:2128
#4  0x0000557f51404fea in os_aio_handler (segment=1, m1=0x7f49899fece8, m2=0x7f49899fecf0, request=0x7f49899fed20) at /data/src/10.3/storage/innobase/os/os0file.cc:5656
#5  0x0000557f516752a9 in fil_aio_wait (segment=1) at /data/src/10.3/storage/innobase/fil/fil0fil.cc:4678
#6  0x0000557f515118b0 in io_handler_thread (arg=0x557f52d036c8 <n+8>) at /data/src/10.3/storage/innobase/srv/srv0start.cc:339
#7  0x00007f49b04bd494 in start_thread (arg=0x7f49899ff700) at pthread_create.c:333
#8  0x00007f49ae8a393f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 20 (Thread 0x7f49891fe700 (LWP 21316)):
#0  0x00007f49b02b46ea in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x0000557f513ffd9d in LinuxAIOHandler::collect (this=0x7f49891fdc40) at /data/src/10.3/storage/innobase/os/os0file.cc:1929
#2  0x0000557f514002ca in LinuxAIOHandler::poll (this=0x7f49891fdc40, m1=0x7f49891fdce8, m2=0x7f49891fdcf0, request=0x7f49891fdd20) at /data/src/10.3/storage/innobase/os/os0file.cc:2074
#3  0x0000557f5140042a in os_aio_linux_handler (global_segment=2, m1=0x7f49891fdce8, m2=0x7f49891fdcf0, request=0x7f49891fdd20) at /data/src/10.3/storage/innobase/os/os0file.cc:2128
#4  0x0000557f51404fea in os_aio_handler (segment=2, m1=0x7f49891fdce8, m2=0x7f49891fdcf0, request=0x7f49891fdd20) at /data/src/10.3/storage/innobase/os/os0file.cc:5656
#5  0x0000557f516752a9 in fil_aio_wait (segment=2) at /data/src/10.3/storage/innobase/fil/fil0fil.cc:4678
#6  0x0000557f515118b0 in io_handler_thread (arg=0x557f52d036d0 <n+16>) at /data/src/10.3/storage/innobase/srv/srv0start.cc:339
#7  0x00007f49b04bd494 in start_thread (arg=0x7f49891fe700) at pthread_create.c:333
#8  0x00007f49ae8a393f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 19 (Thread 0x7f49889fd700 (LWP 21317)):
#0  0x00007f49b02b46ea in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x0000557f513ffd9d in LinuxAIOHandler::collect (this=0x7f49889fcc40) at /data/src/10.3/storage/innobase/os/os0file.cc:1929
#2  0x0000557f514002ca in LinuxAIOHandler::poll (this=0x7f49889fcc40, m1=0x7f49889fcce8, m2=0x7f49889fccf0, request=0x7f49889fcd20) at /data/src/10.3/storage/innobase/os/os0file.cc:2074
#3  0x0000557f5140042a in os_aio_linux_handler (global_segment=3, m1=0x7f49889fcce8, m2=0x7f49889fccf0, request=0x7f49889fcd20) at /data/src/10.3/storage/innobase/os/os0file.cc:2128
#4  0x0000557f51404fea in os_aio_handler (segment=3, m1=0x7f49889fcce8, m2=0x7f49889fccf0, request=0x7f49889fcd20) at /data/src/10.3/storage/innobase/os/os0file.cc:5656
#5  0x0000557f516752a9 in fil_aio_wait (segment=3) at /data/src/10.3/storage/innobase/fil/fil0fil.cc:4678
#6  0x0000557f515118b0 in io_handler_thread (arg=0x557f52d036d8 <n+24>) at /data/src/10.3/storage/innobase/srv/srv0start.cc:339
#7  0x00007f49b04bd494 in start_thread (arg=0x7f49889fd700) at pthread_create.c:333
#8  0x00007f49ae8a393f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 18 (Thread 0x7f49881fc700 (LWP 21318)):
#0  0x00007f49b02b46ea in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x0000557f513ffd9d in LinuxAIOHandler::collect (this=0x7f49881fbc40) at /data/src/10.3/storage/innobase/os/os0file.cc:1929
#2  0x0000557f514002ca in LinuxAIOHandler::poll (this=0x7f49881fbc40, m1=0x7f49881fbce8, m2=0x7f49881fbcf0, request=0x7f49881fbd20) at /data/src/10.3/storage/innobase/os/os0file.cc:2074
#3  0x0000557f5140042a in os_aio_linux_handler (global_segment=4, m1=0x7f49881fbce8, m2=0x7f49881fbcf0, request=0x7f49881fbd20) at /data/src/10.3/storage/innobase/os/os0file.cc:2128
#4  0x0000557f51404fea in os_aio_handler (segment=4, m1=0x7f49881fbce8, m2=0x7f49881fbcf0, request=0x7f49881fbd20) at /data/src/10.3/storage/innobase/os/os0file.cc:5656
#5  0x0000557f516752a9 in fil_aio_wait (segment=4) at /data/src/10.3/storage/innobase/fil/fil0fil.cc:4678
#6  0x0000557f515118b0 in io_handler_thread (arg=0x557f52d036e0 <n+32>) at /data/src/10.3/storage/innobase/srv/srv0start.cc:339
#7  0x00007f49b04bd494 in start_thread (arg=0x7f49881fc700) at pthread_create.c:333
#8  0x00007f49ae8a393f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 17 (Thread 0x7f49879fb700 (LWP 21319)):
#0  0x00007f49b02b46ea in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x0000557f513ffd9d in LinuxAIOHandler::collect (this=0x7f49879fac40) at /data/src/10.3/storage/innobase/os/os0file.cc:1929
#2  0x0000557f514002ca in LinuxAIOHandler::poll (this=0x7f49879fac40, m1=0x7f49879face8, m2=0x7f49879facf0, request=0x7f49879fad20) at /data/src/10.3/storage/innobase/os/os0file.cc:2074
#3  0x0000557f5140042a in os_aio_linux_handler (global_segment=5, m1=0x7f49879face8, m2=0x7f49879facf0, request=0x7f49879fad20) at /data/src/10.3/storage/innobase/os/os0file.cc:2128
#4  0x0000557f51404fea in os_aio_handler (segment=5, m1=0x7f49879face8, m2=0x7f49879facf0, request=0x7f49879fad20) at /data/src/10.3/storage/innobase/os/os0file.cc:5656
#5  0x0000557f516752a9 in fil_aio_wait (segment=5) at /data/src/10.3/storage/innobase/fil/fil0fil.cc:4678
#6  0x0000557f515118b0 in io_handler_thread (arg=0x557f52d036e8 <n+40>) at /data/src/10.3/storage/innobase/srv/srv0start.cc:339
#7  0x00007f49b04bd494 in start_thread (arg=0x7f49879fb700) at pthread_create.c:333
#8  0x00007f49ae8a393f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 16 (Thread 0x7f49871fa700 (LWP 21320)):
#0  0x00007f49b02b46ea in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x0000557f513ffd9d in LinuxAIOHandler::collect (this=0x7f49871f9c40) at /data/src/10.3/storage/innobase/os/os0file.cc:1929
#2  0x0000557f514002ca in LinuxAIOHandler::poll (this=0x7f49871f9c40, m1=0x7f49871f9ce8, m2=0x7f49871f9cf0, request=0x7f49871f9d20) at /data/src/10.3/storage/innobase/os/os0file.cc:2074
#3  0x0000557f5140042a in os_aio_linux_handler (global_segment=6, m1=0x7f49871f9ce8, m2=0x7f49871f9cf0, request=0x7f49871f9d20) at /data/src/10.3/storage/innobase/os/os0file.cc:2128
#4  0x0000557f51404fea in os_aio_handler (segment=6, m1=0x7f49871f9ce8, m2=0x7f49871f9cf0, request=0x7f49871f9d20) at /data/src/10.3/storage/innobase/os/os0file.cc:5656
#5  0x0000557f516752a9 in fil_aio_wait (segment=6) at /data/src/10.3/storage/innobase/fil/fil0fil.cc:4678
#6  0x0000557f515118b0 in io_handler_thread (arg=0x557f52d036f0 <n+48>) at /data/src/10.3/storage/innobase/srv/srv0start.cc:339
#7  0x00007f49b04bd494 in start_thread (arg=0x7f49871fa700) at pthread_create.c:333
#8  0x00007f49ae8a393f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 15 (Thread 0x7f49869f9700 (LWP 21321)):
#0  0x00007f49b02b46ea in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x0000557f513ffd9d in LinuxAIOHandler::collect (this=0x7f49869f8c40) at /data/src/10.3/storage/innobase/os/os0file.cc:1929
#2  0x0000557f514002ca in LinuxAIOHandler::poll (this=0x7f49869f8c40, m1=0x7f49869f8ce8, m2=0x7f49869f8cf0, request=0x7f49869f8d20) at /data/src/10.3/storage/innobase/os/os0file.cc:2074
#3  0x0000557f5140042a in os_aio_linux_handler (global_segment=7, m1=0x7f49869f8ce8, m2=0x7f49869f8cf0, request=0x7f49869f8d20) at /data/src/10.3/storage/innobase/os/os0file.cc:2128
#4  0x0000557f51404fea in os_aio_handler (segment=7, m1=0x7f49869f8ce8, m2=0x7f49869f8cf0, request=0x7f49869f8d20) at /data/src/10.3/storage/innobase/os/os0file.cc:5656
#5  0x0000557f516752a9 in fil_aio_wait (segment=7) at /data/src/10.3/storage/innobase/fil/fil0fil.cc:4678
#6  0x0000557f515118b0 in io_handler_thread (arg=0x557f52d036f8 <n+56>) at /data/src/10.3/storage/innobase/srv/srv0start.cc:339
#7  0x00007f49b04bd494 in start_thread (arg=0x7f49869f9700) at pthread_create.c:333
#8  0x00007f49ae8a393f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 14 (Thread 0x7f49861f8700 (LWP 21322)):
#0  0x00007f49b02b46ea in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x0000557f513ffd9d in LinuxAIOHandler::collect (this=0x7f49861f7c40) at /data/src/10.3/storage/innobase/os/os0file.cc:1929
#2  0x0000557f514002ca in LinuxAIOHandler::poll (this=0x7f49861f7c40, m1=0x7f49861f7ce8, m2=0x7f49861f7cf0, request=0x7f49861f7d20) at /data/src/10.3/storage/innobase/os/os0file.cc:2074
#3  0x0000557f5140042a in os_aio_linux_handler (global_segment=8, m1=0x7f49861f7ce8, m2=0x7f49861f7cf0, request=0x7f49861f7d20) at /data/src/10.3/storage/innobase/os/os0file.cc:2128
#4  0x0000557f51404fea in os_aio_handler (segment=8, m1=0x7f49861f7ce8, m2=0x7f49861f7cf0, request=0x7f49861f7d20) at /data/src/10.3/storage/innobase/os/os0file.cc:5656
#5  0x0000557f516752a9 in fil_aio_wait (segment=8) at /data/src/10.3/storage/innobase/fil/fil0fil.cc:4678
#6  0x0000557f515118b0 in io_handler_thread (arg=0x557f52d03700 <n+64>) at /data/src/10.3/storage/innobase/srv/srv0start.cc:339
#7  0x00007f49b04bd494 in start_thread (arg=0x7f49861f8700) at pthread_create.c:333
#8  0x00007f49ae8a393f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 13 (Thread 0x7f49859f7700 (LWP 21323)):
#0  0x00007f49b02b46ea in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x0000557f513ffd9d in LinuxAIOHandler::collect (this=0x7f49859f6c40) at /data/src/10.3/storage/innobase/os/os0file.cc:1929
#2  0x0000557f514002ca in LinuxAIOHandler::poll (this=0x7f49859f6c40, m1=0x7f49859f6ce8, m2=0x7f49859f6cf0, request=0x7f49859f6d20) at /data/src/10.3/storage/innobase/os/os0file.cc:2074
#3  0x0000557f5140042a in os_aio_linux_handler (global_segment=9, m1=0x7f49859f6ce8, m2=0x7f49859f6cf0, request=0x7f49859f6d20) at /data/src/10.3/storage/innobase/os/os0file.cc:2128
#4  0x0000557f51404fea in os_aio_handler (segment=9, m1=0x7f49859f6ce8, m2=0x7f49859f6cf0, request=0x7f49859f6d20) at /data/src/10.3/storage/innobase/os/os0file.cc:5656
#5  0x0000557f516752a9 in fil_aio_wait (segment=9) at /data/src/10.3/storage/innobase/fil/fil0fil.cc:4678
#6  0x0000557f515118b0 in io_handler_thread (arg=0x557f52d03708 <n+72>) at /data/src/10.3/storage/innobase/srv/srv0start.cc:339
#7  0x00007f49b04bd494 in start_thread (arg=0x7f49859f7700) at pthread_create.c:333
#8  0x00007f49ae8a393f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 12 (Thread 0x7f49851f6700 (LWP 21324)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x0000557f5140cf9f in os_event::timed_wait (this=0x557f54253d20, abstime=0x7f49851f5c30) at /data/src/10.3/storage/innobase/os/os0event.cc:283
#2  0x0000557f5140d2b5 in os_event::wait_time_low (this=0x557f54253d20, time_in_usec=1000000, reset_sig_count=2) at /data/src/10.3/storage/innobase/os/os0event.cc:405
#3  0x0000557f5140d496 in os_event_wait_time_low (event=0x557f54253d20, time_in_usec=1000000, reset_sig_count=2) at /data/src/10.3/storage/innobase/os/os0event.cc:510
#4  0x0000557f515fc5ed in pc_sleep_if_needed (next_loop_time=1524051920055, sig_count=2, cur_time=1524051919055) at /data/src/10.3/storage/innobase/buf/buf0flu.cc:2688
#5  0x0000557f515fd531 in buf_flush_page_cleaner_coordinator () at /data/src/10.3/storage/innobase/buf/buf0flu.cc:3154
#6  0x00007f49b04bd494 in start_thread (arg=0x7f49851f6700) at pthread_create.c:333
#7  0x00007f49ae8a393f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 11 (Thread 0x7f497ffff700 (LWP 21326)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x0000557f5140cf9f in os_event::timed_wait (this=0x557f54b25fe0, abstime=0x7f497fffee80) at /data/src/10.3/storage/innobase/os/os0event.cc:283
#2  0x0000557f5140d2b5 in os_event::wait_time_low (this=0x557f54b25fe0, time_in_usec=1000000, reset_sig_count=1) at /data/src/10.3/storage/innobase/os/os0event.cc:405
#3  0x0000557f5140d496 in os_event_wait_time_low (event=0x557f54b25fe0, time_in_usec=1000000, reset_sig_count=1) at /data/src/10.3/storage/innobase/os/os0event.cc:510
#4  0x0000557f513d9574 in lock_wait_timeout_thread () at /data/src/10.3/storage/innobase/lock/lock0wait.cc:547
#5  0x00007f49b04bd494 in start_thread (arg=0x7f497ffff700) at pthread_create.c:333
#6  0x00007f49ae8a393f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 10 (Thread 0x7f49777fe700 (LWP 21327)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x0000557f5140cf9f in os_event::timed_wait (this=0x557f54253ba0, abstime=0x7f49777fdce0) at /data/src/10.3/storage/innobase/os/os0event.cc:283
#2  0x0000557f5140d2b5 in os_event::wait_time_low (this=0x557f54253ba0, time_in_usec=1000000, reset_sig_count=1) at /data/src/10.3/storage/innobase/os/os0event.cc:405
#3  0x0000557f5140d496 in os_event_wait_time_low (event=0x557f54253ba0, time_in_usec=1000000, reset_sig_count=1) at /data/src/10.3/storage/innobase/os/os0event.cc:510
#4  0x0000557f5150d35c in srv_error_monitor_thread () at /data/src/10.3/storage/innobase/srv/srv0srv.cc:1875
#5  0x00007f49b04bd494 in start_thread (arg=0x7f49777fe700) at pthread_create.c:333
#6  0x00007f49ae8a393f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 9 (Thread 0x7f497f7fe700 (LWP 21328)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x0000557f5140cf9f in os_event::timed_wait (this=0x557f54253c20, abstime=0x7f497f7fde60) at /data/src/10.3/storage/innobase/os/os0event.cc:283
#2  0x0000557f5140d2b5 in os_event::wait_time_low (this=0x557f54253c20, time_in_usec=5000000, reset_sig_count=1) at /data/src/10.3/storage/innobase/os/os0event.cc:405
#3  0x0000557f5140d496 in os_event_wait_time_low (event=0x557f54253c20, time_in_usec=5000000, reset_sig_count=1) at /data/src/10.3/storage/innobase/os/os0event.cc:510
#4  0x0000557f5150ce3c in srv_monitor_thread () at /data/src/10.3/storage/innobase/srv/srv0srv.cc:1711
#5  0x00007f49b04bd494 in start_thread (arg=0x7f497f7fe700) at pthread_create.c:333
#6  0x00007f49ae8a393f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 8 (Thread 0x7f497e7fc700 (LWP 21331)):
#0  0x00007f49b04c67dd in nanosleep () at ../sysdeps/unix/syscall-template.S:84
#1  0x0000557f5140da2d in os_thread_sleep (tm=1000000) at /data/src/10.3/storage/innobase/os/os0thread.cc:230
#2  0x0000557f5150e6a1 in srv_master_sleep () at /data/src/10.3/storage/innobase/srv/srv0srv.cc:2364
#3  0x0000557f5150e7e3 in srv_master_thread (arg=0x0) at /data/src/10.3/storage/innobase/srv/srv0srv.cc:2409
#4  0x00007f49b04bd494 in start_thread (arg=0x7f497e7fc700) at pthread_create.c:333
#5  0x00007f49ae8a393f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 7 (Thread 0x7f4976ffd700 (LWP 21336)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x0000557f5140d706 in os_event::wait (this=0x557f54253ca0) at /data/src/10.3/storage/innobase/os/os0event.cc:163
#2  0x0000557f5140d109 in os_event::wait_low (this=0x557f54253ca0, reset_sig_count=1) at /data/src/10.3/storage/innobase/os/os0event.cc:333
#3  0x0000557f5140d4bb in os_event_wait_low (event=0x557f54253ca0, reset_sig_count=0) at /data/src/10.3/storage/innobase/os/os0event.cc:527
#4  0x0000557f515f22b7 in buf_dump_thread () at /data/src/10.3/storage/innobase/buf/buf0dump.cc:837
#5  0x00007f49b04bd494 in start_thread (arg=0x7f4976ffd700) at pthread_create.c:333
#6  0x00007f49ae8a393f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 6 (Thread 0x7f49767fc700 (LWP 21337)):
#0  0x00007f49b04c67dd in nanosleep () at ../sysdeps/unix/syscall-template.S:84
#1  0x0000557f5140da2d in os_thread_sleep (tm=1000000) at /data/src/10.3/storage/innobase/os/os0thread.cc:230
#2  0x0000557f515cbe3b in btr_defragment_thread () at /data/src/10.3/storage/innobase/btr/btr0defragment.cc:756
#3  0x00007f49b04bd494 in start_thread (arg=0x7f49767fc700) at pthread_create.c:333
#4  0x00007f49ae8a393f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 5 (Thread 0x7f4975ffb700 (LWP 21338)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x0000557f5140d706 in os_event::wait (this=0x557f54253da0) at /data/src/10.3/storage/innobase/os/os0event.cc:163
#2  0x0000557f5140d109 in os_event::wait_low (this=0x557f54253da0, reset_sig_count=1) at /data/src/10.3/storage/innobase/os/os0event.cc:333
#3  0x0000557f5140d4bb in os_event_wait_low (event=0x557f54253da0, reset_sig_count=0) at /data/src/10.3/storage/innobase/os/os0event.cc:527
#4  0x0000557f515da170 in buf_resize_thread () at /data/src/10.3/storage/innobase/buf/buf0buf.cc:3124
#5  0x00007f49b04bd494 in start_thread (arg=0x7f4975ffb700) at pthread_create.c:333
#6  0x00007f49ae8a393f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 4 (Thread 0x7f49ac193700 (LWP 21341)):
#0  do_sigwait (set=<optimized out>, set@entry=0x7f49ac192e80, sig=sig@entry=0x7f49ac192e50) at ../sysdeps/unix/sysv/linux/sigwait.c:64
#1  0x00007f49b04c6ced in __sigwait (set=0x7f49ac192e80, sig=0x7f49ac192e50) at ../sysdeps/unix/sysv/linux/sigwait.c:96
#2  0x0000557f50c24575 in signal_hand (arg=0x0) at /data/src/10.3/sql/mysqld.cc:3550
#3  0x00007f49b04bd494 in start_thread (arg=0x7f49ac193700) at pthread_create.c:333
#4  0x00007f49ae8a393f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 3 (Thread 0x7f4998c96700 (LWP 21392)):
#0  0x00007f49b04c2450 in futex_wait (private=<optimized out>, expected=0, futex_word=0x7f49345ed304) at ../sysdeps/unix/sysv/linux/futex-internal.h:61
#1  futex_wait_simple (private=<optimized out>, expected=0, futex_word=0x7f49345ed304) at ../sysdeps/nptl/futex-internal.h:135
#2  __pthread_rwlock_wrlock_slow (rwlock=0x7f49345ed2f8) at pthread_rwlock_wrlock.c:67
#3  0x0000557f50f3fe45 in inline_mysql_rwlock_wrlock (that=0x7f49345ed2f8, src_file=0x557f51902a78 "/data/src/10.3/sql/sql_sequence.cc", src_line=401) at /data/src/10.3/include/mysql/psi/mysql_thread.h:964
#4  0x0000557f50f410a4 in SEQUENCE::write_lock (this=0x7f49345ed298, table=0x7f49240f0bb0) at /data/src/10.3/sql/sql_sequence.cc:401
#5  0x0000557f50f41218 in SEQUENCE::read_initial_values (this=0x7f49345ed298, table=0x7f49240f0bb0) at /data/src/10.3/sql/sql_sequence.cc:434
#6  0x0000557f517a2580 in ha_sequence::open (this=0x7f4924116708, name=0x7f49345ec810 "./test/seq6", mode=2, flags=18) at /data/src/10.3/sql/ha_sequence.cc:110
#7  0x0000557f51029373 in handler::ha_open (this=0x7f4924116708, table_arg=0x7f49240f0bb0, name=0x7f49345ec810 "./test/seq6", mode=2, test_if_locked=18, mem_root=0x0, partitions_to_open=0x0) at /data/src/10.3/sql/handler.cc:2684
#8  0x0000557f50e535ba in open_table_from_share (thd=0x7f4924000b00, share=0x7f49345ec2c8, alias=0x7f4924013c00, db_stat=33, prgflag=8, ha_open_flags=18, outparam=0x7f49240f0bb0, is_create_table=false, partitions_to_open=0x0) at /data/src/10.3/sql/table.cc:3462
#9  0x0000557f50cb694e in open_table (thd=0x7f4924000b00, table_list=0x7f4924013bb8, ot_ctx=0x7f4998c940b0) at /data/src/10.3/sql/sql_base.cc:1925
#10 0x0000557f50cb9800 in open_and_process_table (thd=0x7f4924000b00, lex=0x7f4924004880, tables=0x7f4924013bb8, counter=0x7f4998c94144, flags=0, prelocking_strategy=0x7f4998c941c0, has_prelocking_list=false, ot_ctx=0x7f4998c940b0) at /data/src/10.3/sql/sql_base.cc:3513
#11 0x0000557f50cba9cb in open_tables (thd=0x7f4924000b00, options=..., start=0x7f4998c94128, counter=0x7f4998c94144, flags=0, prelocking_strategy=0x7f4998c941c0) at /data/src/10.3/sql/sql_base.cc:4033
#12 0x0000557f50cbc722 in open_and_lock_tables (thd=0x7f4924000b00, options=..., tables=0x7f4924013bb8, derived=false, flags=0, prelocking_strategy=0x7f4998c941c0) at /data/src/10.3/sql/sql_base.cc:4908
#13 0x0000557f50c7d4cf in open_and_lock_tables (thd=0x7f4924000b00, tables=0x7f4924013bb8, derived=false, flags=0) at /data/src/10.3/sql/sql_base.h:489
#14 0x0000557f50f424cd in Sql_cmd_alter_sequence::execute (this=0x7f4924014218, thd=0x7f4924000b00) at /data/src/10.3/sql/sql_sequence.cc:890
#15 0x0000557f50d4c039 in mysql_execute_command (thd=0x7f4924000b00) at /data/src/10.3/sql/sql_parse.cc:6282
#16 0x0000557f50d50b06 in mysql_parse (thd=0x7f4924000b00, rawbuf=0x7f4924013a28 "ALTER SEQUENCE IF EXISTS seq6 MAXVALUE 6867  /* QNO 21760 CON_ID 18 */", length=70, parser_state=0x7f4998c95620, is_com_multi=false, is_next_command=false) at /data/src/10.3/sql/sql_parse.cc:8001
#17 0x0000557f50d3e2e9 in dispatch_command (command=COM_QUERY, thd=0x7f4924000b00, packet=0x7f492400b261 "", packet_length=72, is_com_multi=false, is_next_command=false) at /data/src/10.3/sql/sql_parse.cc:1846
#18 0x0000557f50d3cd28 in do_command (thd=0x7f4924000b00) at /data/src/10.3/sql/sql_parse.cc:1391
#19 0x0000557f50e9f791 in do_handle_one_connection (connect=0x557f54c84020) at /data/src/10.3/sql/sql_connect.cc:1402
#20 0x0000557f50e9f51e in handle_one_connection (arg=0x557f54c84020) at /data/src/10.3/sql/sql_connect.cc:1308
#21 0x00007f49b04bd494 in start_thread (arg=0x7f4998c96700) at pthread_create.c:333
#22 0x00007f49ae8a393f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 2 (Thread 0x7f4998b6e700 (LWP 25631)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x0000557f517da3e5 in safe_cond_wait (cond=0x557f52482800 <COND_thread_count>, mp=0x557f52481400 <LOCK_thread_count>, file=0x557f5186a680 "/data/src/10.3/include/mysql/psi/mysql_thread.h", line=1178) at /data/src/10.3/mysys/thr_mutex.c:492
#2  0x0000557f50c1e483 in inline_mysql_cond_wait (that=0x557f52482800 <COND_thread_count>, mutex=0x557f52481400 <LOCK_thread_count>, src_file=0x557f5186c57e "/data/src/10.3/sql/mysqld.cc", src_line=1850) at /data/src/10.3/include/mysql/psi/mysql_thread.h:1178
#3  0x0000557f50c20db6 in close_connections () at /data/src/10.3/sql/mysqld.cc:1850
#4  0x0000557f50c21322 in kill_server (sig_ptr=0x0) at /data/src/10.3/sql/mysqld.cc:2033
#5  0x0000557f50c2139d in kill_server_thread (arg=0x7f49ac192e50) at /data/src/10.3/sql/mysqld.cc:2065
#6  0x00007f49b04bd494 in start_thread (arg=0x7f4998b6e700) at pthread_create.c:333
#7  0x00007f49ae8a393f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 1 (Thread 0x7f49b08d6b80 (LWP 21311)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x0000557f517da3e5 in safe_cond_wait (cond=0x557f52482800 <COND_thread_count>, mp=0x557f52481400 <LOCK_thread_count>, file=0x557f5186a680 "/data/src/10.3/include/mysql/psi/mysql_thread.h", line=1178) at /data/src/10.3/mysys/thr_mutex.c:492
#2  0x0000557f50c1e483 in inline_mysql_cond_wait (that=0x557f52482800 <COND_thread_count>, mutex=0x557f52481400 <LOCK_thread_count>, src_file=0x557f5186c57e "/data/src/10.3/sql/mysqld.cc", src_line=6199) at /data/src/10.3/include/mysql/psi/mysql_thread.h:1178
#3  0x0000557f50c29a0a in mysqld_main (argc=20, argv=0x557f540db038) at /data/src/10.3/sql/mysqld.cc:6199
#4  0x0000557f50c1dcd0 in main (argc=20, argv=0x7fff91b7dab8) at /data/src/10.3/sql/main.cc:25