[Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". Core was generated by `/home/travis/server/bin/mysqld --no-defaults --basedir=/home/travis/server --lc'. Program terminated with signal SIGABRT, Aborted. #0 0x00007fc809086611 in __pthread_kill (threadid=, signo=6) at ../nptl/sysdeps/unix/sysv/linux/pthread_kill.c:61 61 ../nptl/sysdeps/unix/sysv/linux/pthread_kill.c: No such file or directory. Thread 24 (Thread 0x7fc7ec8f2700 (LWP 25587)): #0 0x00007fc809088a7d in fsync () at ../sysdeps/unix/syscall-template.S:81 #1 0x000055c4ceb2918f in os_file_fsync_posix (file=4) at /home/travis/src/storage/innobase/os/os0file.cc:2436 #2 0x000055c4ceb29597 in os_file_flush_func (file=4) at /home/travis/src/storage/innobase/os/os0file.cc:2552 #3 0x000055c4ced62aaa in pfs_os_file_flush_func (file=..., src_file=0x55c4cf2a05d8 "/home/travis/src/storage/innobase/fil/fil0fil.cc", src_line=961) at /home/travis/src/storage/innobase/include/os0file.ic:496 #4 0x000055c4ced66516 in fil_flush_low (space=0x55c4d290c5d0) at /home/travis/src/storage/innobase/fil/fil0fil.cc:961 #5 0x000055c4ced739f0 in fil_flush (space_id=0) at /home/travis/src/storage/innobase/fil/fil0fil.cc:5416 #6 0x000055c4ced73c4d in fil_flush_file_spaces (purpose=FIL_TYPE_TABLESPACE) at /home/travis/src/storage/innobase/fil/fil0fil.cc:5489 #7 0x000055c4cecf31d4 in buf_dblwr_update (bpage=0x7fc7f1171ed0, flush_type=BUF_FLUSH_LIST) at /home/travis/src/storage/innobase/buf/buf0dblwr.cc:750 #8 0x000055c4cecfab57 in buf_flush_write_complete (bpage=0x7fc7f1171ed0) at /home/travis/src/storage/innobase/buf/buf0flu.cc:807 #9 0x000055c4cece961f in buf_page_io_complete (bpage=0x7fc7f1171ed0, evict=false) at /home/travis/src/storage/innobase/buf/buf0buf.cc:6138 #10 0x000055c4ced7376c in fil_aio_wait (segment=8) at /home/travis/src/storage/innobase/fil/fil0fil.cc:5376 #11 0x000055c4cec20eae in io_handler_thread (arg=0x55c4cfbc6b20 ) at /home/travis/src/storage/innobase/srv/srv0start.cc:342 #12 0x00007fc809081184 in start_thread (arg=0x7fc7ec8f2700) at pthread_create.c:312 #13 0x00007fc80858e03d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 23 (Thread 0x7fc7ec0f1700 (LWP 25588)): #0 0x00007fc809f2858a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x000055c4ceb27b19 in LinuxAIOHandler::collect (this=0x7fc7ec0f0c00) at /home/travis/src/storage/innobase/os/os0file.cc:1893 #2 0x000055c4ceb28025 in LinuxAIOHandler::poll (this=0x7fc7ec0f0c00, m1=0x7fc7ec0f0ca8, m2=0x7fc7ec0f0cb0, request=0x7fc7ec0f0ce0) at /home/travis/src/storage/innobase/os/os0file.cc:2038 #3 0x000055c4ceb28188 in os_aio_linux_handler (global_segment=9, m1=0x7fc7ec0f0ca8, m2=0x7fc7ec0f0cb0, request=0x7fc7ec0f0ce0) at /home/travis/src/storage/innobase/os/os0file.cc:2092 #4 0x000055c4ceb2cce9 in os_aio_handler (segment=9, m1=0x7fc7ec0f0ca8, m2=0x7fc7ec0f0cb0, request=0x7fc7ec0f0ce0) at /home/travis/src/storage/innobase/os/os0file.cc:5720 #5 0x000055c4ced7359a in fil_aio_wait (segment=9) at /home/travis/src/storage/innobase/fil/fil0fil.cc:5331 #6 0x000055c4cec20eae in io_handler_thread (arg=0x55c4cfbc6b28 ) at /home/travis/src/storage/innobase/srv/srv0start.cc:342 #7 0x00007fc809081184 in start_thread (arg=0x7fc7ec0f1700) at pthread_create.c:312 #8 0x00007fc80858e03d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 22 (Thread 0x7fc7eb8f0700 (LWP 25589)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x000055c4ceb346af in os_event::wait (this=0x55c4d23c0890) at /home/travis/src/storage/innobase/os/os0event.cc:166 #2 0x000055c4ceb340c1 in os_event::wait_low (this=0x55c4d23c0890, reset_sig_count=137) at /home/travis/src/storage/innobase/os/os0event.cc:336 #3 0x000055c4ceb34467 in os_event_wait_low (event=0x55c4d23c0890, reset_sig_count=137) at /home/travis/src/storage/innobase/os/os0event.cc:535 #4 0x000055c4cec2a942 in sync_array_wait_event (arr=0x55c4d23569b0, cell=@0x7fc7eb8ef7f0: 0x7fc80a5d0110) at /home/travis/src/storage/innobase/sync/sync0arr.cc:475 #5 0x000055c4cea98d1f in TTASEventMutex::enter (this=0x55c4d23c0220, max_spins=60, max_delay=6, filename=0x55c4cf2772b0 "/home/travis/src/storage/innobase/buf/buf0flu.cc", line=1460) at /home/travis/src/storage/innobase/include/ib0mutex.h:516 #6 0x000055c4cea972d0 in PolicyMutex >::enter (this=0x55c4d23c0220, n_spins=30, n_delay=6, name=0x55c4cf2772b0 "/home/travis/src/storage/innobase/buf/buf0flu.cc", line=1460) at /home/travis/src/storage/innobase/include/ib0mutex.h:635 #7 0x000055c4cecfc56f in buf_flush_try_neighbors (page_id=..., flush_type=BUF_FLUSH_LIST, n_flushed=113, n_to_flush=200) at /home/travis/src/storage/innobase/buf/buf0flu.cc:1460 #8 0x000055c4cecfca6e in buf_flush_page_and_try_neighbors (bpage=0x7fc7f1174510, flush_type=BUF_FLUSH_LIST, n_to_flush=200, count=0x7fc7eb8ef9c8) at /home/travis/src/storage/innobase/buf/buf0flu.cc:1564 #9 0x000055c4cecfd55a in buf_do_flush_list_batch (buf_pool=0x55c4d23c0220, min_n=200, lsn_limit=18446744073709551615) at /home/travis/src/storage/innobase/buf/buf0flu.cc:1824 #10 0x000055c4cecfda55 in buf_flush_batch (buf_pool=0x55c4d23c0220, flush_type=BUF_FLUSH_LIST, min_n=200, lsn_limit=18446744073709551615, n=0x7fc7eb8efc60) at /home/travis/src/storage/innobase/buf/buf0flu.cc:1893 #11 0x000055c4cecfe0df in buf_flush_do_batch (buf_pool=0x55c4d23c0220, type=BUF_FLUSH_LIST, min_n=200, lsn_limit=18446744073709551615, n=0x7fc7eb8efc60) at /home/travis/src/storage/innobase/buf/buf0flu.cc:2063 #12 0x000055c4cecfe3c9 in buf_flush_lists (min_n=200, lsn_limit=18446744073709551615, n_processed=0x7fc7eb8efcd0) at /home/travis/src/storage/innobase/buf/buf0flu.cc:2173 #13 0x000055c4ced01f7c in buf_flush_page_cleaner_coordinator () at /home/travis/src/storage/innobase/buf/buf0flu.cc:3356 #14 0x00007fc809081184 in start_thread (arg=0x7fc7eb8f0700) at pthread_create.c:312 #15 0x00007fc80858e03d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 21 (Thread 0x7fc805a8c700 (LWP 25635)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x000055c4cefc7e84 in safe_cond_wait (cond=0x55c4cfb57740 , mp=0x55c4cfb56340 , file=0x55c4cf057240 "/home/travis/src/include/mysql/psi/mysql_thread.h", line=1149) at /home/travis/src/mysys/thr_mutex.c:491 #2 0x000055c4ce50515d in inline_mysql_cond_wait (that=0x55c4cfb57740 , mutex=0x55c4cfb56340 , src_file=0x55c4cf058fb0 "/home/travis/src/sql/mysqld.cc", src_line=1828) at /home/travis/src/include/mysql/psi/mysql_thread.h:1149 #3 0x000055c4ce507ab4 in close_connections () at /home/travis/src/sql/mysqld.cc:1828 #4 0x000055c4ce50800e in kill_server (sig_ptr=0x0) at /home/travis/src/sql/mysqld.cc:2011 #5 0x000055c4ce508089 in kill_server_thread (arg=0x7fc805d6fe10) at /home/travis/src/sql/mysqld.cc:2043 #6 0x00007fc809081184 in start_thread (arg=0x7fc805a8c700) at pthread_create.c:312 #7 0x00007fc80858e03d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 20 (Thread 0x7fc805d70700 (LWP 25607)): #0 0x00007fc8090890c1 in do_sigwait (sig=0x7fc805d6fe10, set=) at ../nptl/sysdeps/unix/sysv/linux/../../../../../sysdeps/unix/sysv/linux/sigwait.c:60 #1 __sigwait (set=0x7fc805d6fe40, sig=0x7fc805d6fe10) at ../nptl/sysdeps/unix/sysv/linux/../../../../../sysdeps/unix/sysv/linux/sigwait.c:97 #2 0x000055c4ce50b22e in signal_hand (arg=0x0) at /home/travis/src/sql/mysqld.cc:3505 #3 0x00007fc809081184 in start_thread (arg=0x7fc805d70700) at pthread_create.c:312 #4 0x00007fc80858e03d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 19 (Thread 0x7fc7ed0f3700 (LWP 25586)): #0 0x00007fc809f2858a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x000055c4ceb27b19 in LinuxAIOHandler::collect (this=0x7fc7ed0f2c00) at /home/travis/src/storage/innobase/os/os0file.cc:1893 #2 0x000055c4ceb28025 in LinuxAIOHandler::poll (this=0x7fc7ed0f2c00, m1=0x7fc7ed0f2ca8, m2=0x7fc7ed0f2cb0, request=0x7fc7ed0f2ce0) at /home/travis/src/storage/innobase/os/os0file.cc:2038 #3 0x000055c4ceb28188 in os_aio_linux_handler (global_segment=7, m1=0x7fc7ed0f2ca8, m2=0x7fc7ed0f2cb0, request=0x7fc7ed0f2ce0) at /home/travis/src/storage/innobase/os/os0file.cc:2092 #4 0x000055c4ceb2cce9 in os_aio_handler (segment=7, m1=0x7fc7ed0f2ca8, m2=0x7fc7ed0f2cb0, request=0x7fc7ed0f2ce0) at /home/travis/src/storage/innobase/os/os0file.cc:5720 #5 0x000055c4ced7359a in fil_aio_wait (segment=7) at /home/travis/src/storage/innobase/fil/fil0fil.cc:5331 #6 0x000055c4cec20eae in io_handler_thread (arg=0x55c4cfbc6b18 ) at /home/travis/src/storage/innobase/srv/srv0start.cc:342 #7 0x00007fc809081184 in start_thread (arg=0x7fc7ed0f3700) at pthread_create.c:312 #8 0x00007fc80858e03d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 18 (Thread 0x7fc7c6ffd700 (LWP 25605)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238 #1 0x000055c4cefc8186 in safe_cond_timedwait (cond=0x55c4d03d80e0 , mp=0x55c4d03d8020 , abstime=0x7fc7c6ffce10, file=0x55c4cf2e9850 "/home/travis/src/include/mysql/psi/mysql_thread.h", line=1186) at /home/travis/src/mysys/thr_mutex.c:545 #2 0x000055c4cee496da in inline_mysql_cond_timedwait (that=0x55c4d03d80e0 , mutex=0x55c4d03d8020 , abstime=0x7fc7c6ffce10, src_file=0x55c4cf2e9888 "/home/travis/src/storage/maria/ma_servicethread.c", src_line=116) at /home/travis/src/include/mysql/psi/mysql_thread.h:1186 #3 0x000055c4cee49b8c in my_service_thread_sleep (control=0x55c4cf995940 , sleep_time=30000000000) at /home/travis/src/storage/maria/ma_servicethread.c:115 #4 0x000055c4cee3e7da in ma_checkpoint_background (arg=0x1e) at /home/travis/src/storage/maria/ma_checkpoint.c:709 #5 0x00007fc809081184 in start_thread (arg=0x7fc7c6ffd700) at pthread_create.c:312 #6 0x00007fc80858e03d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 17 (Thread 0x7fc7ed8f4700 (LWP 25585)): #0 0x00007fc809f2858a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x000055c4ceb27b19 in LinuxAIOHandler::collect (this=0x7fc7ed8f3c00) at /home/travis/src/storage/innobase/os/os0file.cc:1893 #2 0x000055c4ceb28025 in LinuxAIOHandler::poll (this=0x7fc7ed8f3c00, m1=0x7fc7ed8f3ca8, m2=0x7fc7ed8f3cb0, request=0x7fc7ed8f3ce0) at /home/travis/src/storage/innobase/os/os0file.cc:2038 #3 0x000055c4ceb28188 in os_aio_linux_handler (global_segment=6, m1=0x7fc7ed8f3ca8, m2=0x7fc7ed8f3cb0, request=0x7fc7ed8f3ce0) at /home/travis/src/storage/innobase/os/os0file.cc:2092 #4 0x000055c4ceb2cce9 in os_aio_handler (segment=6, m1=0x7fc7ed8f3ca8, m2=0x7fc7ed8f3cb0, request=0x7fc7ed8f3ce0) at /home/travis/src/storage/innobase/os/os0file.cc:5720 #5 0x000055c4ced7359a in fil_aio_wait (segment=6) at /home/travis/src/storage/innobase/fil/fil0fil.cc:5331 #6 0x000055c4cec20eae in io_handler_thread (arg=0x55c4cfbc6b10 ) at /home/travis/src/storage/innobase/srv/srv0start.cc:342 #7 0x00007fc809081184 in start_thread (arg=0x7fc7ed8f4700) at pthread_create.c:312 #8 0x00007fc80858e03d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 16 (Thread 0x7fc7e0ff9700 (LWP 25602)): #0 0x00007fc809088b9d in nanosleep () at ../sysdeps/unix/syscall-template.S:81 #1 0x000055c4ceb349d1 in os_thread_sleep (tm=1000000) at /home/travis/src/storage/innobase/os/os0thread.cc:230 #2 0x000055c4cecd3a81 in btr_defragment_thread () at /home/travis/src/storage/innobase/btr/btr0defragment.cc:760 #3 0x00007fc809081184 in start_thread (arg=0x7fc7e0ff9700) at pthread_create.c:312 #4 0x00007fc80858e03d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 15 (Thread 0x7fc7ee0f5700 (LWP 25584)): #0 0x00007fc809f2858a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x000055c4ceb27b19 in LinuxAIOHandler::collect (this=0x7fc7ee0f4c00) at /home/travis/src/storage/innobase/os/os0file.cc:1893 #2 0x000055c4ceb28025 in LinuxAIOHandler::poll (this=0x7fc7ee0f4c00, m1=0x7fc7ee0f4ca8, m2=0x7fc7ee0f4cb0, request=0x7fc7ee0f4ce0) at /home/travis/src/storage/innobase/os/os0file.cc:2038 #3 0x000055c4ceb28188 in os_aio_linux_handler (global_segment=5, m1=0x7fc7ee0f4ca8, m2=0x7fc7ee0f4cb0, request=0x7fc7ee0f4ce0) at /home/travis/src/storage/innobase/os/os0file.cc:2092 #4 0x000055c4ceb2cce9 in os_aio_handler (segment=5, m1=0x7fc7ee0f4ca8, m2=0x7fc7ee0f4cb0, request=0x7fc7ee0f4ce0) at /home/travis/src/storage/innobase/os/os0file.cc:5720 #5 0x000055c4ced7359a in fil_aio_wait (segment=5) at /home/travis/src/storage/innobase/fil/fil0fil.cc:5331 #6 0x000055c4cec20eae in io_handler_thread (arg=0x55c4cfbc6b08 ) at /home/travis/src/storage/innobase/srv/srv0start.cc:342 #7 0x00007fc809081184 in start_thread (arg=0x7fc7ee0f5700) at pthread_create.c:312 #8 0x00007fc80858e03d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 14 (Thread 0x7fc7e17fa700 (LWP 25601)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x000055c4ceb346af in os_event::wait (this=0x55c4d236db70) at /home/travis/src/storage/innobase/os/os0event.cc:166 #2 0x000055c4ceb340c1 in os_event::wait_low (this=0x55c4d236db70, reset_sig_count=1) at /home/travis/src/storage/innobase/os/os0event.cc:336 #3 0x000055c4ceb34467 in os_event_wait_low (event=0x55c4d236db70, reset_sig_count=0) at /home/travis/src/storage/innobase/os/os0event.cc:535 #4 0x000055c4cecf7159 in buf_dump_thread () at /home/travis/src/storage/innobase/buf/buf0dump.cc:777 #5 0x00007fc809081184 in start_thread (arg=0x7fc7e17fa700) at pthread_create.c:312 #6 0x00007fc80858e03d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 13 (Thread 0x7fc7ee8f6700 (LWP 25583)): #0 0x00007fc809f2858a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x000055c4ceb27b19 in LinuxAIOHandler::collect (this=0x7fc7ee8f5c00) at /home/travis/src/storage/innobase/os/os0file.cc:1893 #2 0x000055c4ceb28025 in LinuxAIOHandler::poll (this=0x7fc7ee8f5c00, m1=0x7fc7ee8f5ca8, m2=0x7fc7ee8f5cb0, request=0x7fc7ee8f5ce0) at /home/travis/src/storage/innobase/os/os0file.cc:2038 #3 0x000055c4ceb28188 in os_aio_linux_handler (global_segment=4, m1=0x7fc7ee8f5ca8, m2=0x7fc7ee8f5cb0, request=0x7fc7ee8f5ce0) at /home/travis/src/storage/innobase/os/os0file.cc:2092 #4 0x000055c4ceb2cce9 in os_aio_handler (segment=4, m1=0x7fc7ee8f5ca8, m2=0x7fc7ee8f5cb0, request=0x7fc7ee8f5ce0) at /home/travis/src/storage/innobase/os/os0file.cc:5720 #5 0x000055c4ced7359a in fil_aio_wait (segment=4) at /home/travis/src/storage/innobase/fil/fil0fil.cc:5331 #6 0x000055c4cec20eae in io_handler_thread (arg=0x55c4cfbc6b00 ) at /home/travis/src/storage/innobase/srv/srv0start.cc:342 #7 0x00007fc809081184 in start_thread (arg=0x7fc7ee8f6700) at pthread_create.c:312 #8 0x00007fc80858e03d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 12 (Thread 0x7fc7e96e7700 (LWP 25594)): #0 0x00007fc809088b9d in nanosleep () at ../sysdeps/unix/syscall-template.S:81 #1 0x000055c4ceb349d1 in os_thread_sleep (tm=1000000) at /home/travis/src/storage/innobase/os/os0thread.cc:230 #2 0x000055c4cec1d9f7 in srv_master_sleep () at /home/travis/src/storage/innobase/srv/srv0srv.cc:2411 #3 0x000055c4cec1db29 in srv_master_thread (arg=0x0) at /home/travis/src/storage/innobase/srv/srv0srv.cc:2456 #4 0x00007fc809081184 in start_thread (arg=0x7fc7e96e7700) at pthread_create.c:312 #5 0x00007fc80858e03d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 11 (Thread 0x7fc7ef0f7700 (LWP 25582)): #0 0x00007fc809f2858a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x000055c4ceb27b19 in LinuxAIOHandler::collect (this=0x7fc7ef0f6c00) at /home/travis/src/storage/innobase/os/os0file.cc:1893 #2 0x000055c4ceb28025 in LinuxAIOHandler::poll (this=0x7fc7ef0f6c00, m1=0x7fc7ef0f6ca8, m2=0x7fc7ef0f6cb0, request=0x7fc7ef0f6ce0) at /home/travis/src/storage/innobase/os/os0file.cc:2038 #3 0x000055c4ceb28188 in os_aio_linux_handler (global_segment=3, m1=0x7fc7ef0f6ca8, m2=0x7fc7ef0f6cb0, request=0x7fc7ef0f6ce0) at /home/travis/src/storage/innobase/os/os0file.cc:2092 #4 0x000055c4ceb2cce9 in os_aio_handler (segment=3, m1=0x7fc7ef0f6ca8, m2=0x7fc7ef0f6cb0, request=0x7fc7ef0f6ce0) at /home/travis/src/storage/innobase/os/os0file.cc:5720 #5 0x000055c4ced7359a in fil_aio_wait (segment=3) at /home/travis/src/storage/innobase/fil/fil0fil.cc:5331 #6 0x000055c4cec20eae in io_handler_thread (arg=0x55c4cfbc6af8 ) at /home/travis/src/storage/innobase/srv/srv0start.cc:342 #7 0x00007fc809081184 in start_thread (arg=0x7fc7ef0f7700) at pthread_create.c:312 #8 0x00007fc80858e03d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 10 (Thread 0x7fc7e9ee8700 (LWP 25593)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238 #1 0x000055c4ceb33f56 in os_event::timed_wait (this=0x55c4d236daf0, abstime=0x7fc7e9ee7e20) at /home/travis/src/storage/innobase/os/os0event.cc:286 #2 0x000055c4ceb34261 in os_event::wait_time_low (this=0x55c4d236daf0, time_in_usec=5000000, reset_sig_count=1) at /home/travis/src/storage/innobase/os/os0event.cc:413 #3 0x000055c4ceb34442 in os_event_wait_time_low (event=0x55c4d236daf0, time_in_usec=5000000, reset_sig_count=1) at /home/travis/src/storage/innobase/os/os0event.cc:518 #4 0x000055c4cec1c1e6 in srv_monitor_thread () at /home/travis/src/storage/innobase/srv/srv0srv.cc:1753 #5 0x00007fc809081184 in start_thread (arg=0x7fc7e9ee8700) at pthread_create.c:312 #6 0x00007fc80858e03d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 9 (Thread 0x7fc8048a4700 (LWP 25581)): #0 0x00007fc809f2858a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x000055c4ceb27b19 in LinuxAIOHandler::collect (this=0x7fc8048a3c00) at /home/travis/src/storage/innobase/os/os0file.cc:1893 #2 0x000055c4ceb28025 in LinuxAIOHandler::poll (this=0x7fc8048a3c00, m1=0x7fc8048a3ca8, m2=0x7fc8048a3cb0, request=0x7fc8048a3ce0) at /home/travis/src/storage/innobase/os/os0file.cc:2038 #3 0x000055c4ceb28188 in os_aio_linux_handler (global_segment=2, m1=0x7fc8048a3ca8, m2=0x7fc8048a3cb0, request=0x7fc8048a3ce0) at /home/travis/src/storage/innobase/os/os0file.cc:2092 #4 0x000055c4ceb2cce9 in os_aio_handler (segment=2, m1=0x7fc8048a3ca8, m2=0x7fc8048a3cb0, request=0x7fc8048a3ce0) at /home/travis/src/storage/innobase/os/os0file.cc:5720 #5 0x000055c4ced7359a in fil_aio_wait (segment=2) at /home/travis/src/storage/innobase/fil/fil0fil.cc:5331 #6 0x000055c4cec20eae in io_handler_thread (arg=0x55c4cfbc6af0 ) at /home/travis/src/storage/innobase/srv/srv0start.cc:342 #7 0x00007fc809081184 in start_thread (arg=0x7fc8048a4700) at pthread_create.c:312 #8 0x00007fc80858e03d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 8 (Thread 0x7fc7ea6e9700 (LWP 25592)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238 #1 0x000055c4ceb33f56 in os_event::timed_wait (this=0x55c4d236da70, abstime=0x7fc7ea6e8ca0) at /home/travis/src/storage/innobase/os/os0event.cc:286 #2 0x000055c4ceb34261 in os_event::wait_time_low (this=0x55c4d236da70, time_in_usec=1000000, reset_sig_count=1) at /home/travis/src/storage/innobase/os/os0event.cc:413 #3 0x000055c4ceb34442 in os_event_wait_time_low (event=0x55c4d236da70, time_in_usec=1000000, reset_sig_count=1) at /home/travis/src/storage/innobase/os/os0event.cc:518 #4 0x000055c4cec1c71e in srv_error_monitor_thread () at /home/travis/src/storage/innobase/srv/srv0srv.cc:1922 #5 0x00007fc809081184 in start_thread (arg=0x7fc7ea6e9700) at pthread_create.c:312 #6 0x00007fc80858e03d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 7 (Thread 0x7fc7eaeea700 (LWP 25591)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238 #1 0x000055c4ceb33f56 in os_event::timed_wait (this=0x55c4d290b300, abstime=0x7fc7eaee9e40) at /home/travis/src/storage/innobase/os/os0event.cc:286 #2 0x000055c4ceb34261 in os_event::wait_time_low (this=0x55c4d290b300, time_in_usec=1000000, reset_sig_count=1) at /home/travis/src/storage/innobase/os/os0event.cc:413 #3 0x000055c4ceb34442 in os_event_wait_time_low (event=0x55c4d290b300, time_in_usec=1000000, reset_sig_count=1) at /home/travis/src/storage/innobase/os/os0event.cc:518 #4 0x000055c4ceb030c6 in lock_wait_timeout_thread () at /home/travis/src/storage/innobase/lock/lock0wait.cc:547 #5 0x00007fc809081184 in start_thread (arg=0x7fc7eaeea700) at pthread_create.c:312 #6 0x00007fc80858e03d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 6 (Thread 0x7fc8050a5700 (LWP 25580)): #0 0x00007fc809f2858a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x000055c4ceb27b19 in LinuxAIOHandler::collect (this=0x7fc8050a4c00) at /home/travis/src/storage/innobase/os/os0file.cc:1893 #2 0x000055c4ceb28025 in LinuxAIOHandler::poll (this=0x7fc8050a4c00, m1=0x7fc8050a4ca8, m2=0x7fc8050a4cb0, request=0x7fc8050a4ce0) at /home/travis/src/storage/innobase/os/os0file.cc:2038 #3 0x000055c4ceb28188 in os_aio_linux_handler (global_segment=1, m1=0x7fc8050a4ca8, m2=0x7fc8050a4cb0, request=0x7fc8050a4ce0) at /home/travis/src/storage/innobase/os/os0file.cc:2092 #4 0x000055c4ceb2cce9 in os_aio_handler (segment=1, m1=0x7fc8050a4ca8, m2=0x7fc8050a4cb0, request=0x7fc8050a4ce0) at /home/travis/src/storage/innobase/os/os0file.cc:5720 #5 0x000055c4ced7359a in fil_aio_wait (segment=1) at /home/travis/src/storage/innobase/fil/fil0fil.cc:5331 #6 0x000055c4cec20eae in io_handler_thread (arg=0x55c4cfbc6ae8 ) at /home/travis/src/storage/innobase/srv/srv0start.cc:342 #7 0x00007fc809081184 in start_thread (arg=0x7fc8050a5700) at pthread_create.c:312 #8 0x00007fc80858e03d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 5 (Thread 0x7fc8058a6700 (LWP 25579)): #0 0x00007fc809f2858a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x000055c4ceb27b19 in LinuxAIOHandler::collect (this=0x7fc8058a5c00) at /home/travis/src/storage/innobase/os/os0file.cc:1893 #2 0x000055c4ceb28025 in LinuxAIOHandler::poll (this=0x7fc8058a5c00, m1=0x7fc8058a5ca8, m2=0x7fc8058a5cb0, request=0x7fc8058a5ce0) at /home/travis/src/storage/innobase/os/os0file.cc:2038 #3 0x000055c4ceb28188 in os_aio_linux_handler (global_segment=0, m1=0x7fc8058a5ca8, m2=0x7fc8058a5cb0, request=0x7fc8058a5ce0) at /home/travis/src/storage/innobase/os/os0file.cc:2092 #4 0x000055c4ceb2cce9 in os_aio_handler (segment=0, m1=0x7fc8058a5ca8, m2=0x7fc8058a5cb0, request=0x7fc8058a5ce0) at /home/travis/src/storage/innobase/os/os0file.cc:5720 #5 0x000055c4ced7359a in fil_aio_wait (segment=0) at /home/travis/src/storage/innobase/fil/fil0fil.cc:5331 #6 0x000055c4cec20eae in io_handler_thread (arg=0x55c4cfbc6ae0 ) at /home/travis/src/storage/innobase/srv/srv0start.cc:342 #7 0x00007fc809081184 in start_thread (arg=0x7fc8058a6700) at pthread_create.c:312 #8 0x00007fc80858e03d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 4 (Thread 0x7fc7c7fff700 (LWP 25603)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x000055c4ceb346af in os_event::wait (this=0x55c4d236dc70) at /home/travis/src/storage/innobase/os/os0event.cc:166 #2 0x000055c4ceb340c1 in os_event::wait_low (this=0x55c4d236dc70, reset_sig_count=1) at /home/travis/src/storage/innobase/os/os0event.cc:336 #3 0x000055c4ceb34467 in os_event_wait_low (event=0x55c4d236dc70, reset_sig_count=0) at /home/travis/src/storage/innobase/os/os0event.cc:535 #4 0x000055c4cece0b0f in buf_resize_thread () at /home/travis/src/storage/innobase/buf/buf0buf.cc:3083 #5 0x00007fc809081184 in start_thread (arg=0x7fc7c7fff700) at pthread_create.c:312 #6 0x00007fc80858e03d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 3 (Thread 0x7fc80848f700 (LWP 25578)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238 #1 0x000055c4cefc8186 in safe_cond_timedwait (cond=0x55c4d03e97e0 , mp=0x55c4d03e9720 , abstime=0x7fc80848eec0, file=0x55c4cf325ac0 "/home/travis/src/include/mysql/psi/mysql_thread.h", line=1186) at /home/travis/src/mysys/thr_mutex.c:545 #2 0x000055c4cefc913d in inline_mysql_cond_timedwait (that=0x55c4d03e97e0 , mutex=0x55c4d03e9720 , abstime=0x7fc80848eec0, src_file=0x55c4cf325af8 "/home/travis/src/mysys/thr_timer.c", src_line=292) at /home/travis/src/include/mysql/psi/mysql_thread.h:1186 #3 0x000055c4cefc9bf9 in timer_handler (arg=0x0) at /home/travis/src/mysys/thr_timer.c:292 #4 0x00007fc809081184 in start_thread (arg=0x7fc80848f700) at pthread_create.c:312 #5 0x00007fc80858e03d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 2 (Thread 0x7fc80a765780 (LWP 25577)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x000055c4cefc7e84 in safe_cond_wait (cond=0x55c4cfb57740 , mp=0x55c4cfb56340 , file=0x55c4cf057240 "/home/travis/src/include/mysql/psi/mysql_thread.h", line=1149) at /home/travis/src/mysys/thr_mutex.c:491 #2 0x000055c4ce50515d in inline_mysql_cond_wait (that=0x55c4cfb57740 , mutex=0x55c4cfb56340 , src_file=0x55c4cf058fb0 "/home/travis/src/sql/mysqld.cc", src_line=6077) at /home/travis/src/include/mysql/psi/mysql_thread.h:1149 #3 0x000055c4ce51030e in mysqld_main (argc=21, argv=0x55c4d22b3998) at /home/travis/src/sql/mysqld.cc:6077 #4 0x000055c4ce5049b5 in main (argc=21, argv=0x7ffef6950fe8) at /home/travis/src/sql/main.cc:25 Thread 1 (Thread 0x7fc805c92700 (LWP 25615)): #0 0x00007fc809086611 in __pthread_kill (threadid=, signo=6) at ../nptl/sysdeps/unix/sysv/linux/pthread_kill.c:61 #1 0x000055c4cefc2944 in my_write_core (sig=6) at /home/travis/src/mysys/stacktrace.c:477 #2 0x000055c4ce863263 in handle_fatal_signal (sig=6) at /home/travis/src/sql/signal_handler.cc:305 #3 #4 0x00007fc8084c6c37 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56 #5 0x00007fc8084ca028 in __GI_abort () at abort.c:89 #6 0x00007fc8084bfbf6 in __assert_fail_base (fmt=0x7fc808614058 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=assertion@entry=0x55c4cf057298 "prev != 0 && next != 0", file=file@entry=0x55c4cf057278 "/home/travis/src/sql/sql_list.h", line=line@entry=668, function=function@entry=0x55c4cf061210 "void ilink::assert_linked()") at assert.c:92 #7 0x00007fc8084bfca2 in __GI___assert_fail (assertion=0x55c4cf057298 "prev != 0 && next != 0", file=0x55c4cf057278 "/home/travis/src/sql/sql_list.h", line=668, function=0x55c4cf061210 "void ilink::assert_linked()") at assert.c:101 #8 0x000055c4ce5173e3 in ilink::assert_linked (this=0x7fc7c0008a50) at /home/travis/src/sql/sql_list.h:668 #9 0x000055c4ce5185d2 in unlink_not_visible_thd (thd=0x7fc7c0008a50) at /home/travis/src/sql/sql_class.h:4479 #10 0x000055c4ce50a0c5 in unlink_thd (thd=0x7fc7c0008a50) at /home/travis/src/sql/mysqld.cc:2913 #11 0x000055c4ce50a54e in one_thread_per_connection_end (thd=0x7fc7c0008a50, put_in_cache=true) at /home/travis/src/sql/mysqld.cc:3055 #12 0x000055c4ce7359f3 in do_handle_one_connection (connect=0x55c4d2b596d0) at /home/travis/src/sql/sql_connect.cc:1354 #13 0x000055c4ce735697 in handle_one_connection (arg=0x55c4d2b596d0) at /home/travis/src/sql/sql_connect.cc:1241 #14 0x00007fc809081184 in start_thread (arg=0x7fc805c92700) at pthread_create.c:312 #15 0x00007fc80858e03d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111