Program terminated with signal SIGSEGV, Segmentation fault. #0 __longjmp () at ../sysdeps/x86_64/__longjmp.S:67 [Current thread is 1 (Thread 0x7ffa6fbdeb00 (LWP 23991))] Thread 27 (Thread 0x7ffa427f6700 (LWP 23912)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225 #1 0x00000000009714be in os_cond_wait_timed (abstime=, fast_mutex=, cond=) at /home/buildbot/buildbot/build/storage/xtradb/os/os0sync.cc:159 #2 os_event_wait_time_low (event=0x7ffa6d8a7e40, time_in_usec=, reset_sig_count=1) at /home/buildbot/buildbot/build/storage/xtradb/os/os0sync.cc:591 #3 0x0000000000a0aedd in ib_wqueue_timedwait (wq=0x7ffa6d8509a8, wait_in_usecs=5000000) at /home/buildbot/buildbot/build/storage/xtradb/ut/ut0wqueue.cc:154 #4 0x0000000000ac8549 in fts_optimize_thread (arg=) at /home/buildbot/buildbot/build/storage/xtradb/fts/fts0opt.cc:3060 #5 0x00007ffa6f87d6ba in start_thread (arg=0x7ffa427f6700) at pthread_create.c:333 #6 0x00007ffa6e6e282d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 26 (Thread 0x7ffa43ff9700 (LWP 23909)): #0 0x00007ffa6e6d89e3 in select () at ../sysdeps/unix/syscall-template.S:84 #1 0x000000000097186f in os_thread_sleep (tm=) at /home/buildbot/buildbot/build/storage/xtradb/os/os0thread.cc:307 #2 0x0000000000a505e7 in page_cleaner_sleep_if_needed (next_loop_time=) at /home/buildbot/buildbot/build/storage/xtradb/buf/buf0flu.cc:2645 #3 buf_flush_lru_manager_thread (arg=) at /home/buildbot/buildbot/build/storage/xtradb/buf/buf0flu.cc:2919 #4 0x00007ffa6f87d6ba in start_thread (arg=0x7ffa43ff9700) at pthread_create.c:333 #5 0x00007ffa6e6e282d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 25 (Thread 0x7ffa45ffd700 (LWP 23904)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225 #1 0x00000000009714be in os_cond_wait_timed (abstime=, fast_mutex=, cond=) at /home/buildbot/buildbot/build/storage/xtradb/os/os0sync.cc:159 #2 os_event_wait_time_low (event=0x7ffa6d8a7660, time_in_usec=, reset_sig_count=1) at /home/buildbot/buildbot/build/storage/xtradb/os/os0sync.cc:591 #3 0x000000000094cb64 in lock_wait_timeout_thread () at /home/buildbot/buildbot/build/storage/xtradb/lock/lock0wait.cc:531 #4 0x00007ffa6f87d6ba in start_thread (arg=0x7ffa45ffd700) at pthread_create.c:333 #5 0x00007ffa6e6e282d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 24 (Thread 0x7ffa42ff7700 (LWP 23911)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225 #1 0x00000000009714be in os_cond_wait_timed (abstime=, fast_mutex=, cond=) at /home/buildbot/buildbot/build/storage/xtradb/os/os0sync.cc:159 #2 os_event_wait_time_low (event=0x7ffa6d8a7900, time_in_usec=, reset_sig_count=1) at /home/buildbot/buildbot/build/storage/xtradb/os/os0sync.cc:591 #3 0x0000000000a88ece in dict_stats_thread () at /home/buildbot/buildbot/build/storage/xtradb/dict/dict0stats_bg.cc:542 #4 0x00007ffa6f87d6ba in start_thread (arg=0x7ffa42ff7700) at pthread_create.c:333 #5 0x00007ffa6e6e282d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 23 (Thread 0x7ffa44ffb700 (LWP 23906)): #0 0x00007ffa6e6d89e3 in select () at ../sysdeps/unix/syscall-template.S:84 #1 0x000000000097186f in os_thread_sleep (tm=) at /home/buildbot/buildbot/build/storage/xtradb/os/os0thread.cc:307 #2 0x00000000009dba35 in srv_master_sleep () at /home/buildbot/buildbot/build/storage/xtradb/srv/srv0srv.cc:3140 #3 srv_master_thread (arg=) at /home/buildbot/buildbot/build/storage/xtradb/srv/srv0srv.cc:3190 #4 0x00007ffa6f87d6ba in start_thread (arg=0x7ffa44ffb700) at pthread_create.c:333 #5 0x00007ffa6e6e282d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 22 (Thread 0x7ffa6fc28b00 (LWP 23915)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x000000000053cb7f in inline_mysql_cond_wait (src_line=, src_file=, mutex=, that=) at /home/buildbot/buildbot/build/include/mysql/psi/mysql_thread.h:1165 #2 handle_slave_background (arg=) at /home/buildbot/buildbot/build/sql/slave.cc:336 #3 0x00007ffa6f87d6ba in start_thread (arg=0x7ffa6fc28b00) at pthread_create.c:333 #4 0x00007ffa6e6e282d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 21 (Thread 0x7ffa4affb700 (LWP 23896)): #0 0x00007ffa6f67464a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x000000000096e9c5 in os_aio_linux_collect (seg_size=, segment=, array=) at /home/buildbot/buildbot/build/storage/xtradb/os/os0file.cc:5406 #2 os_aio_linux_handle (global_seg=4, message1=0x7ffa4affae98, message2=0x7ffa4affae90, type=0x7ffa4affae88, space_id=0x7ffa4affae80) at /home/buildbot/buildbot/build/storage/xtradb/os/os0file.cc:5560 #3 0x0000000000a9ad85 in fil_aio_wait (segment=4) at /home/buildbot/buildbot/build/storage/xtradb/fil/fil0fil.cc:6287 #4 0x00000000009de6c4 in io_handler_thread (arg=) at /home/buildbot/buildbot/build/storage/xtradb/srv/srv0start.cc:546 #5 0x00007ffa6f87d6ba in start_thread (arg=0x7ffa4affb700) at pthread_create.c:333 #6 0x00007ffa6e6e282d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 20 (Thread 0x7ffa437f8700 (LWP 23910)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x0000000000971683 in os_cond_wait (fast_mutex=, cond=0x7ffa6d8a6358) at /home/buildbot/buildbot/build/storage/xtradb/os/os0sync.cc:196 #2 os_event_wait_low (event=0x7ffa6d8a6320, reset_sig_count=1) at /home/buildbot/buildbot/build/storage/xtradb/os/os0sync.cc:477 #3 0x0000000000a4be68 in buf_dump_thread () at /home/buildbot/buildbot/build/storage/xtradb/buf/buf0dump.cc:699 #4 0x00007ffa6f87d6ba in start_thread (arg=0x7ffa437f8700) at pthread_create.c:333 #5 0x00007ffa6e6e282d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 19 (Thread 0x7ffa447fa700 (LWP 23907)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x0000000000971683 in os_cond_wait (fast_mutex=, cond=0x7ffa6d8a6208) at /home/buildbot/buildbot/build/storage/xtradb/os/os0sync.cc:196 #2 os_event_wait_low (event=0x7ffa6d8a61d0, reset_sig_count=1) at /home/buildbot/buildbot/build/storage/xtradb/os/os0sync.cc:477 #3 0x00000000009dd2ac in srv_resume_thread (timeout_usec=, wait=, sig_count=, slot=) at /home/buildbot/buildbot/build/storage/xtradb/srv/srv0srv.cc:1079 #4 srv_purge_coordinator_suspend (slot=0x7ffa6d8e8388, rseg_history_len=0) at /home/buildbot/buildbot/build/storage/xtradb/srv/srv0srv.cc:3499 #5 0x00000000009dd9f2 in srv_purge_coordinator_thread (arg=) at /home/buildbot/buildbot/build/storage/xtradb/srv/srv0srv.cc:3587 #6 0x00007ffa6f87d6ba in start_thread (arg=0x7ffa447fa700) at pthread_create.c:333 #7 0x00007ffa6e6e282d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 18 (Thread 0x7ffa41ff5700 (LWP 23913)): #0 0x00007ffa6e6d89e3 in select () at ../sysdeps/unix/syscall-template.S:84 #1 0x000000000097186f in os_thread_sleep (tm=) at /home/buildbot/buildbot/build/storage/xtradb/os/os0thread.cc:307 #2 0x0000000000a39fca in btr_defragment_thread (arg=) at /home/buildbot/buildbot/build/storage/xtradb/btr/btr0defragment.cc:770 #3 0x00007ffa6f87d6ba in start_thread (arg=0x7ffa41ff5700) at pthread_create.c:333 #4 0x00007ffa6e6e282d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 17 (Thread 0x7ffa6fc72b00 (LWP 23914)): #0 do_sigwait (sig=0x7ffa6fc7229c, set=) at ../sysdeps/unix/sysv/linux/sigwait.c:64 #1 __sigwait (set=, sig=0x7ffa6fc7229c) at ../sysdeps/unix/sysv/linux/sigwait.c:96 #2 0x000000000051c73b in signal_hand (arg=) at /home/buildbot/buildbot/build/sql/mysqld.cc:3399 #3 0x00007ffa6f87d6ba in start_thread (arg=0x7ffa6fc72b00) at pthread_create.c:333 #4 0x00007ffa6e6e282d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 16 (Thread 0x7ffa497f8700 (LWP 23899)): #0 0x00007ffa6f67464a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x000000000096e9c5 in os_aio_linux_collect (seg_size=, segment=, array=) at /home/buildbot/buildbot/build/storage/xtradb/os/os0file.cc:5406 #2 os_aio_linux_handle (global_seg=7, message1=0x7ffa497f7e98, message2=0x7ffa497f7e90, type=0x7ffa497f7e88, space_id=0x7ffa497f7e80) at /home/buildbot/buildbot/build/storage/xtradb/os/os0file.cc:5560 #3 0x0000000000a9ad85 in fil_aio_wait (segment=7) at /home/buildbot/buildbot/build/storage/xtradb/fil/fil0fil.cc:6287 #4 0x00000000009de6c4 in io_handler_thread (arg=) at /home/buildbot/buildbot/build/storage/xtradb/srv/srv0start.cc:546 #5 0x00007ffa6f87d6ba in start_thread (arg=0x7ffa497f8700) at pthread_create.c:333 #6 0x00007ffa6e6e282d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 15 (Thread 0x7ffa4c7fe700 (LWP 23893)): #0 0x00007ffa6f67464a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x000000000096e9c5 in os_aio_linux_collect (seg_size=, segment=, array=) at /home/buildbot/buildbot/build/storage/xtradb/os/os0file.cc:5406 #2 os_aio_linux_handle (global_seg=1, message1=0x7ffa4c7fde98, message2=0x7ffa4c7fde90, type=0x7ffa4c7fde88, space_id=0x7ffa4c7fde80) at /home/buildbot/buildbot/build/storage/xtradb/os/os0file.cc:5560 #3 0x0000000000a9ad85 in fil_aio_wait (segment=1) at /home/buildbot/buildbot/build/storage/xtradb/fil/fil0fil.cc:6287 #4 0x00000000009de6c4 in io_handler_thread (arg=) at /home/buildbot/buildbot/build/storage/xtradb/srv/srv0start.cc:546 #5 0x00007ffa6f87d6ba in start_thread (arg=0x7ffa4c7fe700) at pthread_create.c:333 #6 0x00007ffa6e6e282d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 14 (Thread 0x7ffa4bffd700 (LWP 23894)): #0 0x00007ffa6f67464a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x000000000096e9c5 in os_aio_linux_collect (seg_size=, segment=, array=) at /home/buildbot/buildbot/build/storage/xtradb/os/os0file.cc:5406 #2 os_aio_linux_handle (global_seg=2, message1=0x7ffa4bffce98, message2=0x7ffa4bffce90, type=0x7ffa4bffce88, space_id=0x7ffa4bffce80) at /home/buildbot/buildbot/build/storage/xtradb/os/os0file.cc:5560 #3 0x0000000000a9ad85 in fil_aio_wait (segment=2) at /home/buildbot/buildbot/build/storage/xtradb/fil/fil0fil.cc:6287 #4 0x00000000009de6c4 in io_handler_thread (arg=) at /home/buildbot/buildbot/build/storage/xtradb/srv/srv0start.cc:546 #5 0x00007ffa6f87d6ba in start_thread (arg=0x7ffa4bffd700) at pthread_create.c:333 #6 0x00007ffa6e6e282d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 13 (Thread 0x7ffa467fe700 (LWP 23908)): #0 0x00007ffa6e6d89e3 in select () at ../sysdeps/unix/syscall-template.S:84 #1 0x000000000097186f in os_thread_sleep (tm=) at /home/buildbot/buildbot/build/storage/xtradb/os/os0thread.cc:307 #2 0x0000000000a507f8 in buf_flush_page_cleaner_thread (arg=) at /home/buildbot/buildbot/build/storage/xtradb/buf/buf0flu.cc:2645 #3 0x00007ffa6f87d6ba in start_thread (arg=0x7ffa467fe700) at pthread_create.c:333 #4 0x00007ffa6e6e282d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 12 (Thread 0x7ffa487f6700 (LWP 23901)): #0 0x00007ffa6f67464a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x000000000096e9c5 in os_aio_linux_collect (seg_size=, segment=, array=) at /home/buildbot/buildbot/build/storage/xtradb/os/os0file.cc:5406 #2 os_aio_linux_handle (global_seg=9, message1=0x7ffa487f5e98, message2=0x7ffa487f5e90, type=0x7ffa487f5e88, space_id=0x7ffa487f5e80) at /home/buildbot/buildbot/build/storage/xtradb/os/os0file.cc:5560 #3 0x0000000000a9ad85 in fil_aio_wait (segment=9) at /home/buildbot/buildbot/build/storage/xtradb/fil/fil0fil.cc:6287 #4 0x00000000009de6c4 in io_handler_thread (arg=) at /home/buildbot/buildbot/build/storage/xtradb/srv/srv0start.cc:546 #5 0x00007ffa6f87d6ba in start_thread (arg=0x7ffa487f6700) at pthread_create.c:333 #6 0x00007ffa6e6e282d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 11 (Thread 0x7ffa4a7fa700 (LWP 23897)): #0 0x00007ffa6f67464a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x000000000096e9c5 in os_aio_linux_collect (seg_size=, segment=, array=) at /home/buildbot/buildbot/build/storage/xtradb/os/os0file.cc:5406 #2 os_aio_linux_handle (global_seg=5, message1=0x7ffa4a7f9e98, message2=0x7ffa4a7f9e90, type=0x7ffa4a7f9e88, space_id=0x7ffa4a7f9e80) at /home/buildbot/buildbot/build/storage/xtradb/os/os0file.cc:5560 #3 0x0000000000a9ad85 in fil_aio_wait (segment=5) at /home/buildbot/buildbot/build/storage/xtradb/fil/fil0fil.cc:6287 #4 0x00000000009de6c4 in io_handler_thread (arg=) at /home/buildbot/buildbot/build/storage/xtradb/srv/srv0start.cc:546 #5 0x00007ffa6f87d6ba in start_thread (arg=0x7ffa4a7fa700) at pthread_create.c:333 #6 0x00007ffa6e6e282d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 10 (Thread 0x7ffa457fc700 (LWP 23905)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225 #1 0x00000000009714be in os_cond_wait_timed (abstime=, fast_mutex=, cond=) at /home/buildbot/buildbot/build/storage/xtradb/os/os0sync.cc:159 #2 os_event_wait_time_low (event=0x7ffa6d8a6240, time_in_usec=, reset_sig_count=1) at /home/buildbot/buildbot/build/storage/xtradb/os/os0sync.cc:591 #3 0x00000000009dab1f in srv_error_monitor_thread () at /home/buildbot/buildbot/build/storage/xtradb/srv/srv0srv.cc:2417 #4 0x00007ffa6f87d6ba in start_thread (arg=0x7ffa457fc700) at pthread_create.c:333 #5 0x00007ffa6e6e282d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 9 (Thread 0x7ffa46fff700 (LWP 23902)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225 #1 0x00000000009714be in os_cond_wait_timed (abstime=, fast_mutex=, cond=) at /home/buildbot/buildbot/build/storage/xtradb/os/os0sync.cc:159 #2 os_event_wait_time_low (event=0x7ffa6d8a62b0, time_in_usec=, reset_sig_count=1) at /home/buildbot/buildbot/build/storage/xtradb/os/os0sync.cc:591 #3 0x00000000009da42e in srv_monitor_thread () at /home/buildbot/buildbot/build/storage/xtradb/srv/srv0srv.cc:2176 #4 0x00007ffa6f87d6ba in start_thread (arg=0x7ffa46fff700) at pthread_create.c:333 #5 0x00007ffa6e6e282d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 8 (Thread 0x7ffa48ff7700 (LWP 23900)): #0 0x00007ffa6f67464a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x000000000096e9c5 in os_aio_linux_collect (seg_size=, segment=, array=) at /home/buildbot/buildbot/build/storage/xtradb/os/os0file.cc:5406 #2 os_aio_linux_handle (global_seg=8, message1=0x7ffa48ff6e98, message2=0x7ffa48ff6e90, type=0x7ffa48ff6e88, space_id=0x7ffa48ff6e80) at /home/buildbot/buildbot/build/storage/xtradb/os/os0file.cc:5560 #3 0x0000000000a9ad85 in fil_aio_wait (segment=8) at /home/buildbot/buildbot/build/storage/xtradb/fil/fil0fil.cc:6287 #4 0x00000000009de6c4 in io_handler_thread (arg=) at /home/buildbot/buildbot/build/storage/xtradb/srv/srv0start.cc:546 #5 0x00007ffa6f87d6ba in start_thread (arg=0x7ffa48ff7700) at pthread_create.c:333 #6 0x00007ffa6e6e282d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 7 (Thread 0x7ffa49ff9700 (LWP 23898)): #0 0x00007ffa6f67464a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x000000000096e9c5 in os_aio_linux_collect (seg_size=, segment=, array=) at /home/buildbot/buildbot/build/storage/xtradb/os/os0file.cc:5406 #2 os_aio_linux_handle (global_seg=6, message1=0x7ffa49ff8e98, message2=0x7ffa49ff8e90, type=0x7ffa49ff8e88, space_id=0x7ffa49ff8e80) at /home/buildbot/buildbot/build/storage/xtradb/os/os0file.cc:5560 #3 0x0000000000a9ad85 in fil_aio_wait (segment=6) at /home/buildbot/buildbot/build/storage/xtradb/fil/fil0fil.cc:6287 #4 0x00000000009de6c4 in io_handler_thread (arg=) at /home/buildbot/buildbot/build/storage/xtradb/srv/srv0start.cc:546 #5 0x00007ffa6f87d6ba in start_thread (arg=0x7ffa49ff9700) at pthread_create.c:333 #6 0x00007ffa6e6e282d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 6 (Thread 0x7ffa4cfff700 (LWP 23892)): #0 0x00007ffa6f67464a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x000000000096e9c5 in os_aio_linux_collect (seg_size=, segment=, array=) at /home/buildbot/buildbot/build/storage/xtradb/os/os0file.cc:5406 #2 os_aio_linux_handle (global_seg=0, message1=0x7ffa4cffee98, message2=0x7ffa4cffee90, type=0x7ffa4cffee88, space_id=0x7ffa4cffee80) at /home/buildbot/buildbot/build/storage/xtradb/os/os0file.cc:5560 #3 0x0000000000a9ad85 in fil_aio_wait (segment=0) at /home/buildbot/buildbot/build/storage/xtradb/fil/fil0fil.cc:6287 #4 0x00000000009de6c4 in io_handler_thread (arg=) at /home/buildbot/buildbot/build/storage/xtradb/srv/srv0start.cc:546 #5 0x00007ffa6f87d6ba in start_thread (arg=0x7ffa4cfff700) at pthread_create.c:333 #6 0x00007ffa6e6e282d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 5 (Thread 0x7ffa583ff700 (LWP 23891)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225 #1 0x0000000000b4b984 in inline_mysql_cond_timedwait (src_line=, src_file=, abstime=, mutex=0x1d69ae0 , that=0x1d69b20 ) at /home/buildbot/buildbot/build/include/mysql/psi/mysql_thread.h:1202 #2 my_service_thread_sleep (control=0x148af60 , sleep_time=30000000000) at /home/buildbot/buildbot/build/storage/maria/ma_servicethread.c:115 #3 0x0000000000b44d54 in ma_checkpoint_background (arg=) at /home/buildbot/buildbot/build/storage/maria/ma_checkpoint.c:708 #4 0x00007ffa6f87d6ba in start_thread (arg=0x7ffa583ff700) at pthread_create.c:333 #5 0x00007ffa6e6e282d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 4 (Thread 0x7ffa6d1c8700 (LWP 23890)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225 #1 0x0000000000c0febb in inline_mysql_cond_timedwait (src_line=, src_file=, abstime=, mutex=, that=) at /home/buildbot/buildbot/build/include/mysql/psi/mysql_thread.h:1202 #2 timer_handler (arg=) at /home/buildbot/buildbot/build/mysys/thr_timer.c:292 #3 0x00007ffa6f87d6ba in start_thread (arg=0x7ffa6d1c8700) at pthread_create.c:333 #4 0x00007ffa6e6e282d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 3 (Thread 0x7ffa6fc91780 (LWP 23886)): #0 0x00007ffa6e6d6b5d in poll () at ../sysdeps/unix/syscall-template.S:84 #1 0x000000000051b360 in handle_connections_sockets () at /home/buildbot/buildbot/build/sql/mysqld.cc:6484 #2 0x0000000000521d87 in mysqld_main (argc=12, argv=0x7ffa6d823768) at /home/buildbot/buildbot/build/sql/mysqld.cc:5909 #3 0x00007ffa6e5fc830 in __libc_start_main (main=0x516b00 , argc=3, argv=0x7ffe0b9e6538, init=, fini=, rtld_fini=, stack_end=0x7ffe0b9e6528) at ../csu/libc-start.c:291 #4 0x0000000000516a49 in _start () Thread 2 (Thread 0x7ffa4b7fc700 (LWP 23895)): #0 0x00007ffa6f67464a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x000000000096e9c5 in os_aio_linux_collect (seg_size=, segment=, array=) at /home/buildbot/buildbot/build/storage/xtradb/os/os0file.cc:5406 #2 os_aio_linux_handle (global_seg=3, message1=0x7ffa4b7fbe98, message2=0x7ffa4b7fbe90, type=0x7ffa4b7fbe88, space_id=0x7ffa4b7fbe80) at /home/buildbot/buildbot/build/storage/xtradb/os/os0file.cc:5560 #3 0x0000000000a9ad85 in fil_aio_wait (segment=3) at /home/buildbot/buildbot/build/storage/xtradb/fil/fil0fil.cc:6287 #4 0x00000000009de6c4 in io_handler_thread (arg=) at /home/buildbot/buildbot/build/storage/xtradb/srv/srv0start.cc:546 #5 0x00007ffa6f87d6ba in start_thread (arg=0x7ffa4b7fc700) at pthread_create.c:333 #6 0x00007ffa6e6e282d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 1 (Thread 0x7ffa6fbdeb00 (LWP 23991)): #0 __longjmp () at ../sysdeps/x86_64/__longjmp.S:67 #1 0x24414d072e092f80 in ?? () Backtrace stopped: Cannot access memory at address 0x24414d072e092f80