[New LWP 17244]
[New LWP 17257]
[New LWP 17213]
[New LWP 17215]
[New LWP 17211]
[New LWP 17230]
[New LWP 17216]
[New LWP 17233]
[New LWP 17218]
[New LWP 17217]
[New LWP 17232]
[New LWP 17220]
[New LWP 17219]
[New LWP 17234]
[New LWP 17229]
[New LWP 17214]
[New LWP 17212]
[New LWP 17223]
[New LWP 17226]
[New LWP 17231]
[New LWP 17225]
[New LWP 17221]
[New LWP 17224]
[New LWP 17227]
[New LWP 17228]
[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/src/bb-10.0-monty/sql/mysqld --no-defaults --basedir=/data/src/bb-10.0-mo'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x00007f9d856a8101 in __pthread_kill (threadid=<optimized out>, signo=11) at ../nptl/sysdeps/unix/sysv/linux/pthread_kill.c:61

Thread 25 (Thread 0x7f9d66bff700 (LWP 17228)):
#0  0x00007f9d83854ae3 in select () at ../sysdeps/unix/syscall-template.S:81
#1  0x0000000000e2082d in os_thread_sleep (tm=1000000) at /data/src/bb-10.0-monty/storage/xtradb/os/os0thread.cc:307
#2  0x0000000001087c55 in page_cleaner_sleep_if_needed (next_loop_time=1486319268980) at /data/src/bb-10.0-monty/storage/xtradb/buf/buf0flu.cc:2583
#3  0x000000000108811f in buf_flush_page_cleaner_thread (arg=0x0) at /data/src/bb-10.0-monty/storage/xtradb/buf/buf0flu.cc:2707
#4  0x00007f9d856a30a4 in start_thread (arg=0x7f9d66bff700) at pthread_create.c:309
#5  0x00007f9d8385b87d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 24 (Thread 0x7f9d67ffc700 (LWP 17227)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x0000000000e1f10c in os_cond_wait (cond=0x7f9d82e2d198, fast_mutex=0x7f9d82e2d160) at /data/src/bb-10.0-monty/storage/xtradb/os/os0sync.cc:196
#2  0x0000000000e1f811 in os_event_wait_low (event=0x7f9d82e2d160, reset_sig_count=111) at /data/src/bb-10.0-monty/storage/xtradb/os/os0sync.cc:477
#3  0x0000000000f70dfb in srv_purge_coordinator_suspend (slot=0x7f9d82e637c8, rseg_history_len=3536) at /data/src/bb-10.0-monty/storage/xtradb/srv/srv0srv.cc:3388
#4  0x0000000000f716b0 in srv_purge_coordinator_thread (arg=0x0) at /data/src/bb-10.0-monty/storage/xtradb/srv/srv0srv.cc:3510
#5  0x00007f9d856a30a4 in start_thread (arg=0x7f9d67ffc700) at pthread_create.c:309
#6  0x00007f9d8385b87d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 23 (Thread 0x7f9d697ff700 (LWP 17224)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
#1  0x0000000000e1ef76 in os_cond_wait_timed (cond=0x7f9d82e2d208, fast_mutex=0x7f9d82e2d1d0, abstime=0x7f9d697fee10) at /data/src/bb-10.0-monty/storage/xtradb/os/os0sync.cc:159
#2  0x0000000000e1fb86 in os_event_wait_time_low (event=0x7f9d82e2d1d0, time_in_usec=1000000, reset_sig_count=1) at /data/src/bb-10.0-monty/storage/xtradb/os/os0sync.cc:591
#3  0x0000000000f6d227 in srv_error_monitor_thread (arg=0x0) at /data/src/bb-10.0-monty/storage/xtradb/srv/srv0srv.cc:2267
#4  0x00007f9d856a30a4 in start_thread (arg=0x7f9d697ff700) at pthread_create.c:309
#5  0x00007f9d8385b87d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 22 (Thread 0x7f9d6bff6700 (LWP 17221)):
#0  0x00007f9d854996ea in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x0000000000e1b189 in os_aio_linux_collect (array=0x7f9d82eb9150, segment=3, seg_size=256) at /data/src/bb-10.0-monty/storage/xtradb/os/os0file.cc:5179
#2  0x0000000000e1b75f in os_aio_linux_handle (global_seg=9, message1=0x7f9d6bff5e70, message2=0x7f9d6bff5e68, type=0x7f9d6bff5e60, space_id=0x7f9d6bff5e58) at /data/src/bb-10.0-monty/storage/xtradb/os/os0file.cc:5325
#3  0x000000000112c735 in fil_aio_wait (segment=9) at /data/src/bb-10.0-monty/storage/xtradb/fil/fil0fil.cc:5784
#4  0x0000000000f75cc9 in io_handler_thread (arg=0x2450ec8 <n+72>) at /data/src/bb-10.0-monty/storage/xtradb/srv/srv0start.cc:532
#5  0x00007f9d856a30a4 in start_thread (arg=0x7f9d6bff6700) at pthread_create.c:309
#6  0x00007f9d8385b87d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 21 (Thread 0x7f9d68ffe700 (LWP 17225)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
#1  0x0000000000e1ef76 in os_cond_wait_timed (cond=0x7f9d82e2d278, fast_mutex=0x7f9d82e2d240, abstime=0x7f9d68ffde40) at /data/src/bb-10.0-monty/storage/xtradb/os/os0sync.cc:159
#2  0x0000000000e1fb86 in os_event_wait_time_low (event=0x7f9d82e2d240, time_in_usec=5000000, reset_sig_count=1) at /data/src/bb-10.0-monty/storage/xtradb/os/os0sync.cc:591
#3  0x0000000000f6c3fb in srv_monitor_thread (arg=0x0) at /data/src/bb-10.0-monty/storage/xtradb/srv/srv0srv.cc:2004
#4  0x00007f9d856a30a4 in start_thread (arg=0x7f9d68ffe700) at pthread_create.c:309
#5  0x00007f9d8385b87d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 20 (Thread 0x7f9d653fc700 (LWP 17231)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
#1  0x0000000000e1ef76 in os_cond_wait_timed (cond=0x7f9d82e2eb68, fast_mutex=0x7f9d82e2eb30, abstime=0x7f9d653fbe90) at /data/src/bb-10.0-monty/storage/xtradb/os/os0sync.cc:159
#2  0x0000000000e1fb86 in os_event_wait_time_low (event=0x7f9d82e2eb30, time_in_usec=10000000, reset_sig_count=3) at /data/src/bb-10.0-monty/storage/xtradb/os/os0sync.cc:591
#3  0x000000000110d276 in dict_stats_thread (arg=0x0) at /data/src/bb-10.0-monty/storage/xtradb/dict/dict0stats_bg.cc:349
#4  0x00007f9d856a30a4 in start_thread (arg=0x7f9d653fc700) at pthread_create.c:309
#5  0x00007f9d8385b87d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 19 (Thread 0x7f9d687fd700 (LWP 17226)):
#0  0x00007f9d83854ae3 in select () at ../sysdeps/unix/syscall-template.S:81
#1  0x0000000000e2082d in os_thread_sleep (tm=1000000) at /data/src/bb-10.0-monty/storage/xtradb/os/os0thread.cc:307
#2  0x0000000000f6fa35 in srv_master_sleep () at /data/src/bb-10.0-monty/storage/xtradb/srv/srv0srv.cc:3028
#3  0x0000000000f6fcd9 in srv_master_thread (arg=0x0) at /data/src/bb-10.0-monty/storage/xtradb/srv/srv0srv.cc:3078
#4  0x00007f9d856a30a4 in start_thread (arg=0x7f9d687fd700) at pthread_create.c:309
#5  0x00007f9d8385b87d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 18 (Thread 0x7f9d6a7ff700 (LWP 17223)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
#1  0x0000000000e1ef76 in os_cond_wait_timed (cond=0x7f9d82e2e8c8, fast_mutex=0x7f9d82e2e890, abstime=0x7f9d6a7fee70) at /data/src/bb-10.0-monty/storage/xtradb/os/os0sync.cc:159
#2  0x0000000000e1fb86 in os_event_wait_time_low (event=0x7f9d82e2e890, time_in_usec=1000000, reset_sig_count=1) at /data/src/bb-10.0-monty/storage/xtradb/os/os0sync.cc:591
#3  0x0000000000dd7048 in lock_wait_timeout_thread (arg=0x0) at /data/src/bb-10.0-monty/storage/xtradb/lock/lock0wait.cc:499
#4  0x00007f9d856a30a4 in start_thread (arg=0x7f9d6a7ff700) at pthread_create.c:309
#5  0x00007f9d8385b87d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 17 (Thread 0x7f9d707ff700 (LWP 17212)):
#0  0x00007f9d854996ea in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x0000000000e1b189 in os_aio_linux_collect (array=0x7f9d82eb9100, segment=0, seg_size=256) at /data/src/bb-10.0-monty/storage/xtradb/os/os0file.cc:5179
#2  0x0000000000e1b75f in os_aio_linux_handle (global_seg=0, message1=0x7f9d707fee70, message2=0x7f9d707fee68, type=0x7f9d707fee60, space_id=0x7f9d707fee58) at /data/src/bb-10.0-monty/storage/xtradb/os/os0file.cc:5325
#3  0x000000000112c735 in fil_aio_wait (segment=0) at /data/src/bb-10.0-monty/storage/xtradb/fil/fil0fil.cc:5784
#4  0x0000000000f75cc9 in io_handler_thread (arg=0x2450e80 <n>) at /data/src/bb-10.0-monty/storage/xtradb/srv/srv0start.cc:532
#5  0x00007f9d856a30a4 in start_thread (arg=0x7f9d707ff700) at pthread_create.c:309
#6  0x00007f9d8385b87d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 16 (Thread 0x7f9d6f7fd700 (LWP 17214)):
#0  0x00007f9d854996ea in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x0000000000e1b189 in os_aio_linux_collect (array=0x7f9d82eb9060, segment=0, seg_size=256) at /data/src/bb-10.0-monty/storage/xtradb/os/os0file.cc:5179
#2  0x0000000000e1b75f in os_aio_linux_handle (global_seg=2, message1=0x7f9d6f7fce70, message2=0x7f9d6f7fce68, type=0x7f9d6f7fce60, space_id=0x7f9d6f7fce58) at /data/src/bb-10.0-monty/storage/xtradb/os/os0file.cc:5325
#3  0x000000000112c735 in fil_aio_wait (segment=2) at /data/src/bb-10.0-monty/storage/xtradb/fil/fil0fil.cc:5784
#4  0x0000000000f75cc9 in io_handler_thread (arg=0x2450e90 <n+16>) at /data/src/bb-10.0-monty/storage/xtradb/srv/srv0start.cc:532
#5  0x00007f9d856a30a4 in start_thread (arg=0x7f9d6f7fd700) at pthread_create.c:309
#6  0x00007f9d8385b87d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 15 (Thread 0x7f9d663fe700 (LWP 17229)):
#0  0x00007f9d83854ae3 in select () at ../sysdeps/unix/syscall-template.S:81
#1  0x0000000000e2082d in os_thread_sleep (tm=1000000) at /data/src/bb-10.0-monty/storage/xtradb/os/os0thread.cc:307
#2  0x0000000001087c55 in page_cleaner_sleep_if_needed (next_loop_time=1486319268980) at /data/src/bb-10.0-monty/storage/xtradb/buf/buf0flu.cc:2583
#3  0x0000000001088ab7 in buf_flush_lru_manager_thread (arg=0x0) at /data/src/bb-10.0-monty/storage/xtradb/buf/buf0flu.cc:2858
#4  0x00007f9d856a30a4 in start_thread (arg=0x7f9d663fe700) at pthread_create.c:309
#5  0x00007f9d8385b87d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 14 (Thread 0x7f9d85a92700 (LWP 17234)):
#0  do_sigwait (set=<optimized out>, sig=0x7f9d85a91ec8) at ../nptl/sysdeps/unix/sysv/linux/../../../../../sysdeps/unix/sysv/linux/sigwait.c:63
#1  0x00007f9d856aa693 in __sigwait (set=0x7f9d85a91e30, sig=0x0) at ../nptl/sysdeps/unix/sysv/linux/../../../../../sysdeps/unix/sysv/linux/sigwait.c:97
#2  0x000000000059041a in signal_hand (arg=0x0) at /data/src/bb-10.0-monty/sql/mysqld.cc:3283
#3  0x00007f9d856a30a4 in start_thread (arg=0x7f9d85a92700) at pthread_create.c:309
#4  0x00007f9d8385b87d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 13 (Thread 0x7f9d6cff8700 (LWP 17219)):
#0  0x00007f9d854996ea in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x0000000000e1b189 in os_aio_linux_collect (array=0x7f9d82eb9150, segment=1, seg_size=256) at /data/src/bb-10.0-monty/storage/xtradb/os/os0file.cc:5179
#2  0x0000000000e1b75f in os_aio_linux_handle (global_seg=7, message1=0x7f9d6cff7e70, message2=0x7f9d6cff7e68, type=0x7f9d6cff7e60, space_id=0x7f9d6cff7e58) at /data/src/bb-10.0-monty/storage/xtradb/os/os0file.cc:5325
#3  0x000000000112c735 in fil_aio_wait (segment=7) at /data/src/bb-10.0-monty/storage/xtradb/fil/fil0fil.cc:5784
#4  0x0000000000f75cc9 in io_handler_thread (arg=0x2450eb8 <n+56>) at /data/src/bb-10.0-monty/storage/xtradb/srv/srv0start.cc:532
#5  0x00007f9d856a30a4 in start_thread (arg=0x7f9d6cff8700) at pthread_create.c:309
#6  0x00007f9d8385b87d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 12 (Thread 0x7f9d6c7f7700 (LWP 17220)):
#0  0x00007f9d854996ea in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x0000000000e1b189 in os_aio_linux_collect (array=0x7f9d82eb9150, segment=2, seg_size=256) at /data/src/bb-10.0-monty/storage/xtradb/os/os0file.cc:5179
#2  0x0000000000e1b75f in os_aio_linux_handle (global_seg=8, message1=0x7f9d6c7f6e70, message2=0x7f9d6c7f6e68, type=0x7f9d6c7f6e60, space_id=0x7f9d6c7f6e58) at /data/src/bb-10.0-monty/storage/xtradb/os/os0file.cc:5325
#3  0x000000000112c735 in fil_aio_wait (segment=8) at /data/src/bb-10.0-monty/storage/xtradb/fil/fil0fil.cc:5784
#4  0x0000000000f75cc9 in io_handler_thread (arg=0x2450ec0 <n+64>) at /data/src/bb-10.0-monty/storage/xtradb/srv/srv0start.cc:532
#5  0x00007f9d856a30a4 in start_thread (arg=0x7f9d6c7f7700) at pthread_create.c:309
#6  0x00007f9d8385b87d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 11 (Thread 0x7f9d64bfb700 (LWP 17232)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
#1  0x0000000000e1ef76 in os_cond_wait_timed (cond=0x7f9d82e2ef58, fast_mutex=0x7f9d82e2ef20, abstime=0x7f9d64bfade0) at /data/src/bb-10.0-monty/storage/xtradb/os/os0sync.cc:159
#2  0x0000000000e1fb86 in os_event_wait_time_low (event=0x7f9d82e2ef20, time_in_usec=5000000, reset_sig_count=1) at /data/src/bb-10.0-monty/storage/xtradb/os/os0sync.cc:591
#3  0x0000000000fe53bb in ib_wqueue_timedwait (wq=0x7f9d82c2e678, wait_in_usecs=5000000) at /data/src/bb-10.0-monty/storage/xtradb/ut/ut0wqueue.cc:154
#4  0x000000000117c067 in fts_optimize_thread (arg=0x7f9d82c2e678) at /data/src/bb-10.0-monty/storage/xtradb/fts/fts0opt.cc:3065
#5  0x00007f9d856a30a4 in start_thread (arg=0x7f9d64bfb700) at pthread_create.c:309
#6  0x00007f9d8385b87d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 10 (Thread 0x7f9d6dffa700 (LWP 17217)):
#0  0x00007f9d854996ea in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x0000000000e1b189 in os_aio_linux_collect (array=0x7f9d82eb9060, segment=3, seg_size=256) at /data/src/bb-10.0-monty/storage/xtradb/os/os0file.cc:5179
#2  0x0000000000e1b75f in os_aio_linux_handle (global_seg=5, message1=0x7f9d6dff9e70, message2=0x7f9d6dff9e68, type=0x7f9d6dff9e60, space_id=0x7f9d6dff9e58) at /data/src/bb-10.0-monty/storage/xtradb/os/os0file.cc:5325
#3  0x000000000112c735 in fil_aio_wait (segment=5) at /data/src/bb-10.0-monty/storage/xtradb/fil/fil0fil.cc:5784
#4  0x0000000000f75cc9 in io_handler_thread (arg=0x2450ea8 <n+40>) at /data/src/bb-10.0-monty/storage/xtradb/srv/srv0start.cc:532
#5  0x00007f9d856a30a4 in start_thread (arg=0x7f9d6dffa700) at pthread_create.c:309
#6  0x00007f9d8385b87d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 9 (Thread 0x7f9d6d7f9700 (LWP 17218)):
#0  0x00007f9d854996ea in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x0000000000e1b189 in os_aio_linux_collect (array=0x7f9d82eb9150, segment=0, seg_size=256) at /data/src/bb-10.0-monty/storage/xtradb/os/os0file.cc:5179
#2  0x0000000000e1b75f in os_aio_linux_handle (global_seg=6, message1=0x7f9d6d7f8e70, message2=0x7f9d6d7f8e68, type=0x7f9d6d7f8e60, space_id=0x7f9d6d7f8e58) at /data/src/bb-10.0-monty/storage/xtradb/os/os0file.cc:5325
#3  0x000000000112c735 in fil_aio_wait (segment=6) at /data/src/bb-10.0-monty/storage/xtradb/fil/fil0fil.cc:5784
#4  0x0000000000f75cc9 in io_handler_thread (arg=0x2450eb0 <n+48>) at /data/src/bb-10.0-monty/storage/xtradb/srv/srv0start.cc:532
#5  0x00007f9d856a30a4 in start_thread (arg=0x7f9d6d7f9700) at pthread_create.c:309
#6  0x00007f9d8385b87d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 8 (Thread 0x7f9d5b7ff700 (LWP 17233)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
#1  0x00000000013fd5e2 in safe_cond_timedwait (cond=0x2d02980 <COND_checkpoint>, mp=0x2d028c0 <LOCK_checkpoint>, abstime=0x7f9d5b7fee30, file=0x1646310 "/data/src/bb-10.0-monty/include/mysql/psi/mysql_thread.h", line=1202) at /data/src/bb-10.0-monty/mysys/thr_mutex.c:547
#2  0x00000000012420c2 in inline_mysql_cond_timedwait (that=0x2d02980 <COND_checkpoint>, mutex=0x2d028c0 <LOCK_checkpoint>, abstime=0x7f9d5b7fee30, src_file=0x1646350 "/data/src/bb-10.0-monty/storage/maria/ma_servicethread.c", src_line=116) at /data/src/bb-10.0-monty/include/mysql/psi/mysql_thread.h:1202
#3  0x0000000001242899 in my_service_thread_sleep (control=0x1f9fa40 <checkpoint_control>, sleep_time=29000000000) at /data/src/bb-10.0-monty/storage/maria/ma_servicethread.c:115
#4  0x000000000123171c in ma_checkpoint_background (arg=0x1e) at /data/src/bb-10.0-monty/storage/maria/ma_checkpoint.c:708
#5  0x00007f9d856a30a4 in start_thread (arg=0x7f9d5b7ff700) at pthread_create.c:309
#6  0x00007f9d8385b87d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 7 (Thread 0x7f9d6e7fb700 (LWP 17216)):
#0  0x00007f9d854996ea in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x0000000000e1b189 in os_aio_linux_collect (array=0x7f9d82eb9060, segment=2, seg_size=256) at /data/src/bb-10.0-monty/storage/xtradb/os/os0file.cc:5179
#2  0x0000000000e1b75f in os_aio_linux_handle (global_seg=4, message1=0x7f9d6e7fae70, message2=0x7f9d6e7fae68, type=0x7f9d6e7fae60, space_id=0x7f9d6e7fae58) at /data/src/bb-10.0-monty/storage/xtradb/os/os0file.cc:5325
#3  0x000000000112c735 in fil_aio_wait (segment=4) at /data/src/bb-10.0-monty/storage/xtradb/fil/fil0fil.cc:5784
#4  0x0000000000f75cc9 in io_handler_thread (arg=0x2450ea0 <n+32>) at /data/src/bb-10.0-monty/storage/xtradb/srv/srv0start.cc:532
#5  0x00007f9d856a30a4 in start_thread (arg=0x7f9d6e7fb700) at pthread_create.c:309
#6  0x00007f9d8385b87d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 6 (Thread 0x7f9d65bfd700 (LWP 17230)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x0000000000e1f10c in os_cond_wait (cond=0x7f9d82e2d2e8, fast_mutex=0x7f9d82e2d2b0) at /data/src/bb-10.0-monty/storage/xtradb/os/os0sync.cc:196
#2  0x0000000000e1f811 in os_event_wait_low (event=0x7f9d82e2d2b0, reset_sig_count=1) at /data/src/bb-10.0-monty/storage/xtradb/os/os0sync.cc:477
#3  0x00000000010799f2 in buf_dump_thread (arg=0x0) at /data/src/bb-10.0-monty/storage/xtradb/buf/buf0dump.cc:695
#4  0x00007f9d856a30a4 in start_thread (arg=0x7f9d65bfd700) at pthread_create.c:309
#5  0x00007f9d8385b87d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 5 (Thread 0x7f9d85ab2780 (LWP 17211)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00000000013fd167 in safe_cond_wait (cond=0x2198f80 <COND_thread_count>, mp=0x2197d40 <LOCK_thread_count>, file=0x1476580 "/data/src/bb-10.0-monty/include/mysql/psi/mysql_thread.h", line=1165) at /data/src/bb-10.0-monty/mysys/thr_mutex.c:493
#2  0x0000000000586f35 in inline_mysql_cond_wait (that=0x2198f80 <COND_thread_count>, mutex=0x2197d40 <LOCK_thread_count>, src_file=0x1478188 "/data/src/bb-10.0-monty/sql/mysqld.cc", src_line=5550) at /data/src/bb-10.0-monty/include/mysql/psi/mysql_thread.h:1165
#3  0x0000000000597236 in mysqld_main (argc=19, argv=0x7f9d82c23428) at /data/src/bb-10.0-monty/sql/mysqld.cc:5550
#4  0x0000000000586328 in main (argc=19, argv=0x7ffc58de8668) at /data/src/bb-10.0-monty/sql/main.cc:25

Thread 4 (Thread 0x7f9d6effc700 (LWP 17215)):
#0  0x00007f9d854996ea in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x0000000000e1b189 in os_aio_linux_collect (array=0x7f9d82eb9060, segment=1, seg_size=256) at /data/src/bb-10.0-monty/storage/xtradb/os/os0file.cc:5179
#2  0x0000000000e1b75f in os_aio_linux_handle (global_seg=3, message1=0x7f9d6effbe70, message2=0x7f9d6effbe68, type=0x7f9d6effbe60, space_id=0x7f9d6effbe58) at /data/src/bb-10.0-monty/storage/xtradb/os/os0file.cc:5325
#3  0x000000000112c735 in fil_aio_wait (segment=3) at /data/src/bb-10.0-monty/storage/xtradb/fil/fil0fil.cc:5784
#4  0x0000000000f75cc9 in io_handler_thread (arg=0x2450e98 <n+24>) at /data/src/bb-10.0-monty/storage/xtradb/srv/srv0start.cc:532
#5  0x00007f9d856a30a4 in start_thread (arg=0x7f9d6effc700) at pthread_create.c:309
#6  0x00007f9d8385b87d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 3 (Thread 0x7f9d6fffe700 (LWP 17213)):
#0  0x00007f9d854996ea in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x0000000000e1b189 in os_aio_linux_collect (array=0x7f9d82eb90b0, segment=0, seg_size=256) at /data/src/bb-10.0-monty/storage/xtradb/os/os0file.cc:5179
#2  0x0000000000e1b75f in os_aio_linux_handle (global_seg=1, message1=0x7f9d6fffde70, message2=0x7f9d6fffde68, type=0x7f9d6fffde60, space_id=0x7f9d6fffde58) at /data/src/bb-10.0-monty/storage/xtradb/os/os0file.cc:5325
#3  0x000000000112c735 in fil_aio_wait (segment=1) at /data/src/bb-10.0-monty/storage/xtradb/fil/fil0fil.cc:5784
#4  0x0000000000f75cc9 in io_handler_thread (arg=0x2450e88 <n+8>) at /data/src/bb-10.0-monty/storage/xtradb/srv/srv0start.cc:532
#5  0x00007f9d856a30a4 in start_thread (arg=0x7f9d6fffe700) at pthread_create.c:309
#6  0x00007f9d8385b87d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 2 (Thread 0x7f9d836e0700 (LWP 17257)):
#0  0x00007f9d83854ae3 in select () at ../sysdeps/unix/syscall-template.S:81
#1  0x00000000013ee5ba in my_sleep (m_seconds=20000) at /data/src/bb-10.0-monty/mysys/my_sleep.c:29
#2  0x000000000058ab75 in close_connections () at /data/src/bb-10.0-monty/sql/mysqld.cc:1675
#3  0x000000000058b50a in kill_server (sig_ptr=0x0) at /data/src/bb-10.0-monty/sql/mysqld.cc:1859
#4  0x000000000058b5b1 in kill_server_thread (arg=0x7f9d85a91ec8) at /data/src/bb-10.0-monty/sql/mysqld.cc:1887
#5  0x00007f9d856a30a4 in start_thread (arg=0x7f9d836e0700) at pthread_create.c:309
#6  0x00007f9d8385b87d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 1 (Thread 0x7f9d83772700 (LWP 17244)):
#0  0x00007f9d856a8101 in __pthread_kill (threadid=<optimized out>, signo=11) at ../nptl/sysdeps/unix/sysv/linux/pthread_kill.c:61
#1  0x00000000013f4ccb in my_write_core (sig=11) at /data/src/bb-10.0-monty/mysys/stacktrace.c:478
#2  0x00000000009f6f81 in handle_fatal_signal (sig=11) at /data/src/bb-10.0-monty/sql/signal_handler.cc:285
#3  <signal handler called>
#4  0x00000000013b5ec0 in my_hash_insert (info=0x7f9d82c14da0, record=0x7f9d58c27000 "02\262\001") at /data/src/bb-10.0-monty/mysys/hash.c:491
#5  0x000000000088f633 in Master_info_index::add_master_info (this=0x7f9d82c14a00, mi=0x7f9d58c27000, write_to_file=true) at /data/src/bb-10.0-monty/sql/rpl_mi.cc:1259
#6  0x000000000071d310 in change_master (thd=0x7f9d6ac3b070, mi=0x7f9d58c27000, master_info_added=0x7f9d8377135f) at /data/src/bb-10.0-monty/sql/sql_repl.cc:3345
#7  0x00000000006cdb98 in mysql_execute_command (thd=0x7f9d6ac3b070) at /data/src/bb-10.0-monty/sql/sql_parse.cc:2734
#8  0x00000000006dea8e in mysql_parse (thd=0x7f9d6ac3b070, rawbuf=0x7f9d58c22088 "CHANGE MASTER 'test1' TO MASTER_HOST='127.0.0.1', MASTER_PORT=3333, MASTER_USER='foo' /* QNO 863177 CON_ID 8 */", length=111, parser_state=0x7f9d837716a0) at /data/src/bb-10.0-monty/sql/sql_parse.cc:6580
#9  0x00000000006c8170 in dispatch_command (command=COM_QUERY, thd=0x7f9d6ac3b070, packet=0x7f9d6ac41071 "CHANGE MASTER 'test1' TO MASTER_HOST='127.0.0.1', MASTER_PORT=3333, MASTER_USER='foo' /* QNO 863177 CON_ID 8 */ ", packet_length=112) at /data/src/bb-10.0-monty/sql/sql_parse.cc:1309
#10 0x00000000006c6b61 in do_command (thd=0x7f9d6ac3b070) at /data/src/bb-10.0-monty/sql/sql_parse.cc:999
#11 0x000000000089c621 in do_handle_one_connection (thd_arg=0x7f9d6ac3b070) at /data/src/bb-10.0-monty/sql/sql_connect.cc:1377
#12 0x000000000089c173 in handle_one_connection (arg=0x7f9d6ac3b070) at /data/src/bb-10.0-monty/sql/sql_connect.cc:1292
#13 0x00007f9d856a30a4 in start_thread (arg=0x7f9d83772700) at pthread_create.c:309
#14 0x00007f9d8385b87d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111