[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 SIGSEGV, Segmentation fault. #0 0x00007fb9d4a9c611 in __pthread_kill (threadid=, signo=11) 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 43 (Thread 0x7fb9cc058700 (LWP 26710)): #0 0x000055d538a365cb in _db_pargs_ (_line_=3396, keyword=0x55d538ddec3c "info") at /home/travis/src/dbug/dbug.c:1257 #1 0x000055d5388772f7 in pagecache_read (pagecache=0x55d539f2e660 , file=0x7fb9980c87c0, pageno=3213, level=0, buff=0x0, type=PAGECACHE_PLAIN_PAGE, lock=PAGECACHE_LOCK_WRITE, page_link=0x7fb9cc054fb0) at /home/travis/src/storage/maria/ma_pagecache.c:3394 #2 0x000055d5388ae920 in get_head_or_tail_page (info=0x7fb9980c8380, block=0x7fb99910d9f8, buff=0x7fb9980c8aa0 "", length=327, page_type=1, lock=PAGECACHE_LOCK_WRITE, res=0x7fb9cc055080) at /home/travis/src/storage/maria/ma_blockrec.c:1781 #3 0x000055d5388b346f in allocate_and_write_block_record (info=0x7fb9980c8380, record=0x7fb99910f218 "\377E", row=0x7fb9980c83e0, undo_lsn=1) at /home/travis/src/storage/maria/ma_blockrec.c:3543 #4 0x000055d5388b3729 in _ma_write_init_block_record (info=0x7fb9980c8380, record=0x7fb99910f218 "\377E") at /home/travis/src/storage/maria/ma_blockrec.c:3604 #5 0x000055d5388c580b in maria_write (info=0x7fb9980c8380, record=0x7fb99910f218 "\377E") at /home/travis/src/storage/maria/ma_write.c:157 #6 0x000055d53884ad7b in ha_maria::write_row (this=0x7fb998059778, buf=0x7fb99910f218 "\377E") at /home/travis/src/storage/maria/ha_maria.cc:1290 #7 0x000055d53800365f in handler::ha_write_tmp_row (this=0x7fb998059778, buf=0x7fb99910f218 "\377E") at /home/travis/src/sql/sql_class.h:6210 #8 0x000055d537fee1b8 in end_write (join=0x7fb99802cf38, join_tab=0x7fb99802f698, end_of_records=false) at /home/travis/src/sql/sql_select.cc:20640 #9 0x000055d537fff83c in AGGR_OP::put_record (this=0x7fb998030c80, end_of_records=false) at /home/travis/src/sql/sql_select.cc:27160 #10 0x000055d53800452d in AGGR_OP::put_record (this=0x7fb998030c80) at /home/travis/src/sql/sql_select.h:1017 #11 0x000055d537fea36e in sub_select_postjoin_aggr (join=0x7fb99802cf38, join_tab=0x7fb99802f698, end_of_records=false) at /home/travis/src/sql/sql_select.cc:18953 #12 0x000055d53812075d in JOIN_CACHE::generate_full_extensions (this=0x7fb99802fe08, rec_ptr=0x7fb99897c61a "E") at /home/travis/src/sql/sql_join_cache.cc:2401 #13 0x000055d538120478 in JOIN_CACHE::join_matching_records (this=0x7fb99802fe08, skip_last=false) at /home/travis/src/sql/sql_join_cache.cc:2293 #14 0x000055d53811fe44 in JOIN_CACHE::join_records (this=0x7fb99802fe08, skip_last=false) at /home/travis/src/sql/sql_join_cache.cc:2088 #15 0x000055d537fea453 in sub_select_cache (join=0x7fb99802cf38, join_tab=0x7fb99802f2e8, end_of_records=true) at /home/travis/src/sql/sql_select.cc:19011 #16 0x000055d537fea665 in sub_select (join=0x7fb99802cf38, join_tab=0x7fb99802ef38, end_of_records=true) at /home/travis/src/sql/sql_select.cc:19183 #17 0x000055d537fe9e4e in do_select (join=0x7fb99802cf38, procedure=0x0) at /home/travis/src/sql/sql_select.cc:18774 #18 0x000055d537fc2fbe in JOIN::exec_inner (this=0x7fb99802cf38) at /home/travis/src/sql/sql_select.cc:3987 #19 0x000055d537fc245e in JOIN::exec (this=0x7fb99802cf38) at /home/travis/src/sql/sql_select.cc:3781 #20 0x000055d537fc36d2 in mysql_select (thd=0x7fb99801a770, tables=0x7fb9980d6438, wild_num=0, fields=..., conds=0x0, og_num=1, order=0x7fb9980d9578, group=0x0, having=0x7fb99802c8a8, proc_param=0x0, select_options=552709917440, result=0x7fb9980d9668, unit=0x7fb9980d40d0, select_lex=0x7fb9980d4848) at /home/travis/src/sql/sql_select.cc:4186 #21 0x000055d537fb59a5 in handle_select (thd=0x7fb99801a770, lex=0x7fb9980d4008, result=0x7fb9980d9668, setup_tables_done_option=0) at /home/travis/src/sql/sql_select.cc:382 #22 0x000055d537f80b12 in execute_sqlcom_select (thd=0x7fb99801a770, all_tables=0x7fb9980d6438) at /home/travis/src/sql/sql_parse.cc:6556 #23 0x000055d537f7717e in mysql_execute_command (thd=0x7fb99801a770) at /home/travis/src/sql/sql_parse.cc:3770 #24 0x000055d537fa204f in Prepared_statement::execute (this=0x7fb999174580, expanded_query=0x7fb9cc0572f0, open_cursor=false) at /home/travis/src/sql/sql_prepare.cc:4740 #25 0x000055d537fa0499 in Prepared_statement::execute_loop (this=0x7fb999174580, expanded_query=0x7fb9cc0572f0, open_cursor=false, packet=0x7fb9980240ea "def\022performance_schema\006table1\030file_summary_by_instance\tFILE_NAME\tFILE_NAME\f\b", packet_end=0x7fb9980240ea "def\022performance_schema\006table1\030file_summary_by_instance\tFILE_NAME\tFILE_NAME\f\b") at /home/travis/src/sql/sql_prepare.cc:4170 #26 0x000055d537f9dd39 in mysql_stmt_execute_common (thd=0x7fb99801a770, stmt_id=3384, packet=0x7fb9980240ea "def\022performance_schema\006table1\030file_summary_by_instance\tFILE_NAME\tFILE_NAME\f\b", packet_end=0x7fb9980240ea "def\022performance_schema\006table1\030file_summary_by_instance\tFILE_NAME\tFILE_NAME\f\b", cursor_flags=0, bulk_op=false, read_types=false) at /home/travis/src/sql/sql_prepare.cc:3170 #27 0x000055d537f9d8dc in mysqld_stmt_execute (thd=0x7fb99801a770, packet_arg=0x7fb9980240e1 "", packet_length=9) at /home/travis/src/sql/sql_prepare.cc:3068 #28 0x000055d537f71841 in dispatch_command (command=COM_STMT_EXECUTE, thd=0x7fb99801a770, packet=0x7fb9980240e1 "", packet_length=9, is_com_multi=false, is_next_command=false) at /home/travis/src/sql/sql_parse.cc:1784 #29 0x000055d537f70628 in do_command (thd=0x7fb99801a770) at /home/travis/src/sql/sql_parse.cc:1387 #30 0x000055d5380d58b3 in do_handle_one_connection (connect=0x55d53c4d22a0) at /home/travis/src/sql/sql_connect.cc:1402 #31 0x000055d5380d5640 in handle_one_connection (arg=0x55d53c4d22a0) at /home/travis/src/sql/sql_connect.cc:1308 #32 0x000055d5389aafc3 in pfs_spawn_thread (arg=0x55d53b8b5460) at /home/travis/src/storage/perfschema/pfs.cc:1862 #33 0x00007fb9d4a97184 in start_thread (arg=0x7fb9cc058700) at pthread_create.c:312 #34 0x00007fb9d3fa403d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 42 (Thread 0x7fb9cc0ec700 (LWP 26706)): #0 __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135 #1 0x00007fb9d4a9967f in _L_lock_1081 () from /lib/x86_64-linux-gnu/libpthread.so.0 #2 0x00007fb9d4a995f8 in __GI___pthread_mutex_lock (mutex=0x55d539f2e750 ) at ../nptl/pthread_mutex_lock.c:134 #3 0x000055d538a16500 in safe_mutex_lock (mp=0x55d539f2e728 , my_flags=0, file=0x55d538ddebd8 "/home/travis/src/storage/maria/ma_pagecache.c", line=3030) at /home/travis/src/mysys/thr_mutex.c:293 #4 0x000055d53886f43c in inline_mysql_mutex_lock (that=0x55d539f2e728 , src_file=0x55d538ddebd8 "/home/travis/src/storage/maria/ma_pagecache.c", src_line=3030) at /home/travis/src/include/mysql/psi/mysql_thread.h:710 #5 0x000055d5388768f8 in pagecache_unlock_by_link (pagecache=0x55d539f2e660 , block=0x7fb9bdbcbea0, lock=PAGECACHE_LOCK_WRITE_TO_READ, pin=PAGECACHE_PIN_LEFT_PINNED, first_REDO_LSN_for_page=0, lsn=0, was_changed=1 '\001', any=0 '\000') at /home/travis/src/storage/maria/ma_pagecache.c:3030 #6 0x000055d5388b2568 in write_block_record (info=0x7fb9802174c0, old_record=0x0, record=0x7fb9801d41e8 "\031", row=0x7fb980217520, bitmap_blocks=0x7fb980217520, head_block_is_read=1 '\001', row_pos=0x7fb9cc0e8e50, undo_lsn=1, old_record_checksum=0) at /home/travis/src/storage/maria/ma_blockrec.c:3178 #7 0x000055d5388b361f in allocate_and_write_block_record (info=0x7fb9802174c0, record=0x7fb9801d41e8 "\031", row=0x7fb980217520, undo_lsn=1) at /home/travis/src/storage/maria/ma_blockrec.c:3564 #8 0x000055d5388b3729 in _ma_write_init_block_record (info=0x7fb9802174c0, record=0x7fb9801d41e8 "\031") at /home/travis/src/storage/maria/ma_blockrec.c:3604 #9 0x000055d5388c580b in maria_write (info=0x7fb9802174c0, record=0x7fb9801d41e8 "\031") at /home/travis/src/storage/maria/ma_write.c:157 #10 0x000055d53884ad7b in ha_maria::write_row (this=0x7fb980106ee8, buf=0x7fb9801d41e8 "\031") at /home/travis/src/storage/maria/ha_maria.cc:1290 #11 0x000055d53800365f in handler::ha_write_tmp_row (this=0x7fb980106ee8, buf=0x7fb9801d41e8 "\031") at /home/travis/src/sql/sql_class.h:6210 #12 0x000055d538014ae2 in schema_table_store_record (thd=0x7fb9800013e0, table=0x7fb9800e85f8) at /home/travis/src/sql/sql_show.cc:3846 #13 0x000055d5384cef45 in i_s_innodb_buffer_page_fill (thd=0x7fb9800013e0, tables=0x7fb9802304e0, info_array=0x7fb9802d15d8, num_page=8192) at /home/travis/src/storage/innobase/handler/i_s.cc:5016 #14 0x000055d5384cf778 in i_s_innodb_fill_buffer_pool (thd=0x7fb9800013e0, tables=0x7fb9802304e0, buf_pool=0x55d53bb371d0, pool_id=0) at /home/travis/src/storage/innobase/handler/i_s.cc:5242 #15 0x000055d5384cf92d in i_s_innodb_buffer_page_fill_table (thd=0x7fb9800013e0, tables=0x7fb9802304e0) at /home/travis/src/storage/innobase/handler/i_s.cc:5291 #16 0x000055d538028cb9 in get_schema_tables_result (join=0x7fb980016b40, executed_place=PROCESSED_BY_JOIN_EXEC) at /home/travis/src/sql/sql_show.cc:8793 #17 0x000055d537fc2db8 in JOIN::exec_inner (this=0x7fb980016b40) at /home/travis/src/sql/sql_select.cc:3950 #18 0x000055d537fc245e in JOIN::exec (this=0x7fb980016b40) at /home/travis/src/sql/sql_select.cc:3781 #19 0x000055d53806a11d in st_select_lex_unit::exec (this=0x7fb98022d740) at /home/travis/src/sql/sql_union.cc:1435 #20 0x000055d538065262 in mysql_union (thd=0x7fb9800013e0, lex=0x7fb98022d678, result=0x7fb9801dda80, unit=0x7fb98022d740, setup_tables_done_option=0) at /home/travis/src/sql/sql_union.cc:41 #21 0x000055d537fb58cc in handle_select (thd=0x7fb9800013e0, lex=0x7fb98022d678, result=0x7fb9801dda80, setup_tables_done_option=0) at /home/travis/src/sql/sql_select.cc:360 #22 0x000055d537f80b12 in execute_sqlcom_select (thd=0x7fb9800013e0, all_tables=0x7fb98022fdd8) at /home/travis/src/sql/sql_parse.cc:6556 #23 0x000055d537f7717e in mysql_execute_command (thd=0x7fb9800013e0) at /home/travis/src/sql/sql_parse.cc:3770 #24 0x000055d537fa204f in Prepared_statement::execute (this=0x7fb980188210, expanded_query=0x7fb9cc0eb2f0, open_cursor=false) at /home/travis/src/sql/sql_prepare.cc:4740 #25 0x000055d537fa0499 in Prepared_statement::execute_loop (this=0x7fb980188210, expanded_query=0x7fb9cc0eb2f0, open_cursor=false, packet=0x7fb98000b32a "", packet_end=0x7fb98000b32a "") at /home/travis/src/sql/sql_prepare.cc:4170 #26 0x000055d537f9dd39 in mysql_stmt_execute_common (thd=0x7fb9800013e0, stmt_id=6999, packet=0x7fb98000b32a "", packet_end=0x7fb98000b32a "", cursor_flags=0, bulk_op=false, read_types=false) at /home/travis/src/sql/sql_prepare.cc:3170 #27 0x000055d537f9d8dc in mysqld_stmt_execute (thd=0x7fb9800013e0, packet_arg=0x7fb98000b321 "W\033", packet_length=9) at /home/travis/src/sql/sql_prepare.cc:3068 #28 0x000055d537f71841 in dispatch_command (command=COM_STMT_EXECUTE, thd=0x7fb9800013e0, packet=0x7fb98000b321 "W\033", packet_length=9, is_com_multi=false, is_next_command=false) at /home/travis/src/sql/sql_parse.cc:1784 #29 0x000055d537f70628 in do_command (thd=0x7fb9800013e0) at /home/travis/src/sql/sql_parse.cc:1387 #30 0x000055d5380d58b3 in do_handle_one_connection (connect=0x55d53c4d22a0) at /home/travis/src/sql/sql_connect.cc:1402 #31 0x000055d5380d5640 in handle_one_connection (arg=0x55d53c4d22a0) at /home/travis/src/sql/sql_connect.cc:1308 #32 0x000055d5389aafc3 in pfs_spawn_thread (arg=0x55d53b8b4d00) at /home/travis/src/storage/perfschema/pfs.cc:1862 #33 0x00007fb9d4a97184 in start_thread (arg=0x7fb9cc0ec700) at pthread_create.c:312 #34 0x00007fb9d3fa403d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 41 (Thread 0x7fb9cc0a2700 (LWP 26708)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238 #1 0x000055d538a1703b in safe_cond_timedwait (cond=0x7fb990002120, mp=0x7fb990002070, abstime=0x7fb9cc09fbb0, file=0x55d538b13320 "/home/travis/src/include/mysql/psi/mysql_thread.h", line=1215) at /home/travis/src/mysys/thr_mutex.c:546 #2 0x000055d5380dd334 in inline_mysql_cond_timedwait (that=0x7fb990002120, mutex=0x7fb990002070, abstime=0x7fb9cc09fbb0, src_file=0x55d538b135d2 "/home/travis/src/sql/mdl.cc", src_line=1094) at /home/travis/src/include/mysql/psi/mysql_thread.h:1215 #3 0x000055d5380de745 in MDL_wait::timed_wait (this=0x7fb990002070, owner=0x7fb990002000, abs_timeout=0x7fb9cc09fbb0, set_status_on_timeout=false, wait_state_name=0x55d5394babd0 ) at /home/travis/src/sql/mdl.cc:1094 #4 0x000055d5380e01e1 in MDL_context::acquire_lock (this=0x7fb990002070, mdl_request=0x7fb9901a1568, lock_wait_timeout=10) at /home/travis/src/sql/mdl.cc:2148 #5 0x000055d5380e0693 in MDL_context::acquire_locks (this=0x7fb990002070, mdl_requests=0x7fb9cc09fcf0, lock_wait_timeout=10) at /home/travis/src/sql/mdl.cc:2268 #6 0x000055d537eef30f in lock_table_names (thd=0x7fb990001f20, options=..., tables_start=0x7fb9901a1108, tables_end=0x0, lock_wait_timeout=10, flags=0) at /home/travis/src/sql/sql_base.cc:3781 #7 0x000055d538433ab7 in lock_table_names (thd=0x7fb990001f20, table_list=0x7fb9901a1108, table_list_end=0x0, lock_wait_timeout=10, flags=0) at /home/travis/src/sql/sql_base.h:228 #8 0x000055d53843460c in Sql_cmd_truncate_table::lock_table (this=0x7fb9901a1758, thd=0x7fb990001f20, table_ref=0x7fb9901a1108, hton_can_recreate=0x7fb9cc09fffa) at /home/travis/src/sql/sql_truncate.cc:316 #9 0x000055d538434984 in Sql_cmd_truncate_table::truncate_table (this=0x7fb9901a1758, thd=0x7fb990001f20, table_ref=0x7fb9901a1108) at /home/travis/src/sql/sql_truncate.cc:419 #10 0x000055d538434bc0 in Sql_cmd_truncate_table::execute (this=0x7fb9901a1758, thd=0x7fb990001f20) at /home/travis/src/sql/sql_truncate.cc:498 #11 0x000055d537f7f94d in mysql_execute_command (thd=0x7fb990001f20) at /home/travis/src/sql/sql_parse.cc:6284 #12 0x000055d537fa204f in Prepared_statement::execute (this=0x7fb99105f710, expanded_query=0x7fb9cc0a12f0, open_cursor=false) at /home/travis/src/sql/sql_prepare.cc:4740 #13 0x000055d537fa0499 in Prepared_statement::execute_loop (this=0x7fb99105f710, expanded_query=0x7fb9cc0a12f0, open_cursor=false, packet=0x7fb99000c57a "", packet_end=0x7fb99000c57a "") at /home/travis/src/sql/sql_prepare.cc:4170 #14 0x000055d537f9dd39 in mysql_stmt_execute_common (thd=0x7fb990001f20, stmt_id=5597, packet=0x7fb99000c57a "", packet_end=0x7fb99000c57a "", cursor_flags=0, bulk_op=false, read_types=false) at /home/travis/src/sql/sql_prepare.cc:3170 #15 0x000055d537f9d8dc in mysqld_stmt_execute (thd=0x7fb990001f20, packet_arg=0x7fb99000c571 "\335\025", packet_length=9) at /home/travis/src/sql/sql_prepare.cc:3068 #16 0x000055d537f71841 in dispatch_command (command=COM_STMT_EXECUTE, thd=0x7fb990001f20, packet=0x7fb99000c571 "\335\025", packet_length=9, is_com_multi=false, is_next_command=false) at /home/travis/src/sql/sql_parse.cc:1784 #17 0x000055d537f70628 in do_command (thd=0x7fb990001f20) at /home/travis/src/sql/sql_parse.cc:1387 #18 0x000055d5380d58b3 in do_handle_one_connection (connect=0x55d53c42f1c0) at /home/travis/src/sql/sql_connect.cc:1402 #19 0x000055d5380d5640 in handle_one_connection (arg=0x55d53c42f1c0) at /home/travis/src/sql/sql_connect.cc:1308 #20 0x000055d5389aafc3 in pfs_spawn_thread (arg=0x55d53b8b50b0) at /home/travis/src/storage/perfschema/pfs.cc:1862 #21 0x00007fb9d4a97184 in start_thread (arg=0x7fb9cc0a2700) at pthread_create.c:312 #22 0x00007fb9d3fa403d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 40 (Thread 0x7fb9cc1ca700 (LWP 26697)): #0 0x00007fb9d3f96c9d in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x000055d538a776db in vio_io_wait (vio=0x55d53c42ee10, event=VIO_IO_EVENT_READ, timeout=28800000) at /home/travis/src/vio/viosocket.c:962 #2 0x000055d538a75ddd in vio_socket_io_wait (vio=0x55d53c42ee10, event=VIO_IO_EVENT_READ) at /home/travis/src/vio/viosocket.c:119 #3 0x000055d538a75fc3 in vio_read (vio=0x55d53c42ee10, buf=0x7fb97000b320 "\a", size=4) at /home/travis/src/vio/viosocket.c:196 #4 0x000055d537e6b4fc in my_real_read (net=0x7fb970000fe8, complen=0x7fb9cc1c9d10, header=1 '\001') at /home/travis/src/sql/net_serv.cc:956 #5 0x000055d537e6bd6b in my_net_read_packet_reallen (net=0x7fb970000fe8, read_from_server=1 '\001', reallen=0x7fb9cc1c9d78) at /home/travis/src/sql/net_serv.cc:1237 #6 0x000055d537e6bd1f in my_net_read_packet (net=0x7fb970000fe8, read_from_server=1 '\001') at /home/travis/src/sql/net_serv.cc:1221 #7 0x000055d537f70153 in do_command (thd=0x7fb970000cd0) at /home/travis/src/sql/sql_parse.cc:1267 #8 0x000055d5380d58b3 in do_handle_one_connection (connect=0x55d53c4d22a0) at /home/travis/src/sql/sql_connect.cc:1402 #9 0x000055d5380d5640 in handle_one_connection (arg=0x55d53c4d22a0) at /home/travis/src/sql/sql_connect.cc:1308 #10 0x000055d5389aafc3 in pfs_spawn_thread (arg=0x55d53c4f3940) at /home/travis/src/storage/perfschema/pfs.cc:1862 #11 0x00007fb9d4a97184 in start_thread (arg=0x7fb9cc1ca700) at pthread_create.c:312 #12 0x00007fb9d3fa403d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 39 (Thread 0x7fb9849f9700 (LWP 26690)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x000055d538541e9b in os_event::wait (this=0x55d53b9ae770) at /home/travis/src/storage/innobase/os/os0event.cc:163 #2 0x000055d5385418a1 in os_event::wait_low (this=0x55d53b9ae770, reset_sig_count=1) at /home/travis/src/storage/innobase/os/os0event.cc:333 #3 0x000055d538541c53 in os_event_wait_low (event=0x55d53b9ae770, reset_sig_count=0) at /home/travis/src/storage/innobase/os/os0event.cc:527 #4 0x000055d53870b6f5 in buf_resize_thread () at /home/travis/src/storage/innobase/buf/buf0buf.cc:3125 #5 0x00007fb9d4a97184 in start_thread (arg=0x7fb9849f9700) at pthread_create.c:312 #6 0x00007fb9d3fa403d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 38 (Thread 0x7fb9851fa700 (LWP 26689)): #0 0x00007fb9d4a9eb9d in nanosleep () at ../sysdeps/unix/syscall-template.S:81 #1 0x000055d538542199 in os_thread_sleep (tm=1000000) at /home/travis/src/storage/innobase/os/os0thread.cc:230 #2 0x000055d5386fd6b6 in btr_defragment_thread () at /home/travis/src/storage/innobase/btr/btr0defragment.cc:760 #3 0x00007fb9d4a97184 in start_thread (arg=0x7fb9851fa700) at pthread_create.c:312 #4 0x00007fb9d3fa403d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 37 (Thread 0x7fb9859fb700 (LWP 26688)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x000055d538541e9b in os_event::wait (this=0x55d53b9ae670) at /home/travis/src/storage/innobase/os/os0event.cc:163 #2 0x000055d5385418a1 in os_event::wait_low (this=0x55d53b9ae670, reset_sig_count=1) at /home/travis/src/storage/innobase/os/os0event.cc:333 #3 0x000055d538541c53 in os_event_wait_low (event=0x55d53b9ae670, reset_sig_count=0) at /home/travis/src/storage/innobase/os/os0event.cc:527 #4 0x000055d53872323f in buf_dump_thread () at /home/travis/src/storage/innobase/buf/buf0dump.cc:818 #5 0x00007fb9d4a97184 in start_thread (arg=0x7fb9859fb700) at pthread_create.c:312 #6 0x00007fb9d3fa403d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 36 (Thread 0x7fb9861fc700 (LWP 26687)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x000055d538541e9b in os_event::wait (this=0x55d53b9ae470) at /home/travis/src/storage/innobase/os/os0event.cc:163 #2 0x000055d5385418a1 in os_event::wait_low (this=0x55d53b9ae470, reset_sig_count=864) at /home/travis/src/storage/innobase/os/os0event.cc:333 #3 0x000055d538541c53 in os_event_wait_low (event=0x55d53b9ae470, reset_sig_count=0) at /home/travis/src/storage/innobase/os/os0event.cc:527 #4 0x000055d53863e902 in srv_resume_thread (slot=0x55d5394d13b8 , sig_count=0, wait=true, timeout_usec=0) at /home/travis/src/storage/innobase/srv/srv0srv.cc:906 #5 0x000055d5386424e7 in srv_worker_thread (arg=0x0) at /home/travis/src/storage/innobase/srv/srv0srv.cc:2549 #6 0x00007fb9d4a97184 in start_thread (arg=0x7fb9861fc700) at pthread_create.c:312 #7 0x00007fb9d3fa403d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 35 (Thread 0x7fb9869fd700 (LWP 26686)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x000055d538541e9b in os_event::wait (this=0x55d53b9ae3f0) at /home/travis/src/storage/innobase/os/os0event.cc:163 #2 0x000055d5385418a1 in os_event::wait_low (this=0x55d53b9ae3f0, reset_sig_count=932) at /home/travis/src/storage/innobase/os/os0event.cc:333 #3 0x000055d538541c53 in os_event_wait_low (event=0x55d53b9ae3f0, reset_sig_count=0) at /home/travis/src/storage/innobase/os/os0event.cc:527 #4 0x000055d53863e902 in srv_resume_thread (slot=0x55d5394d1380 , sig_count=0, wait=true, timeout_usec=0) at /home/travis/src/storage/innobase/srv/srv0srv.cc:906 #5 0x000055d5386424e7 in srv_worker_thread (arg=0x0) at /home/travis/src/storage/innobase/srv/srv0srv.cc:2549 #6 0x00007fb9d4a97184 in start_thread (arg=0x7fb9869fd700) at pthread_create.c:312 #7 0x00007fb9d3fa403d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 34 (Thread 0x7fb9879ff700 (LWP 26684)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x000055d538541e9b in os_event::wait (this=0x55d53b9ae370) at /home/travis/src/storage/innobase/os/os0event.cc:163 #2 0x000055d5385418a1 in os_event::wait_low (this=0x55d53b9ae370, reset_sig_count=734) at /home/travis/src/storage/innobase/os/os0event.cc:333 #3 0x000055d538541c53 in os_event_wait_low (event=0x55d53b9ae370, reset_sig_count=734) at /home/travis/src/storage/innobase/os/os0event.cc:527 #4 0x000055d53863e902 in srv_resume_thread (slot=0x55d5394d1348 , sig_count=734, wait=true, timeout_usec=0) at /home/travis/src/storage/innobase/srv/srv0srv.cc:906 #5 0x000055d5386429a8 in srv_purge_coordinator_suspend (slot=0x55d5394d1348 , rseg_history_len=4) at /home/travis/src/storage/innobase/srv/srv0srv.cc:2702 #6 0x000055d538642d28 in srv_purge_coordinator_thread (arg=0x0) at /home/travis/src/storage/innobase/srv/srv0srv.cc:2789 #7 0x00007fb9d4a97184 in start_thread (arg=0x7fb9879ff700) at pthread_create.c:312 #8 0x00007fb9d3fa403d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 33 (Thread 0x7fb9bc243700 (LWP 26712)): #0 __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135 #1 0x00007fb9d4a99649 in _L_lock_909 () from /lib/x86_64-linux-gnu/libpthread.so.0 #2 0x00007fb9d4a99470 in __GI___pthread_mutex_lock (mutex=0x55d539f2dec0 ) at ../nptl/pthread_mutex_lock.c:79 #3 0x000055d538a3712e in DoTrace (cs=0x7fb9a80018e0) at /home/travis/src/dbug/dbug.c:1708 #4 0x000055d538a363b9 in _db_return_ (_stack_frame_=0x7fb9bc240220) at /home/travis/src/dbug/dbug.c:1194 #5 0x000055d5384630de in hp_write_key (info=0x7fb9a8283a70, keyinfo=0x7fb9a81e80c0, record=0x7fb9a81e7058 "\377\001", recpos=0x7fb9a82ffb40 "") at /home/travis/src/storage/heap/hp_write.c:211 #6 0x000055d538462526 in heap_write (info=0x7fb9a8283a70, record=0x7fb9a81e7058 "\377\001") at /home/travis/src/storage/heap/hp_write.c:52 #7 0x000055d53845b62e in ha_heap::write_row (this=0x7fb9a80c9f18, buf=0x7fb9a81e7058 "\377\001") at /home/travis/src/storage/heap/ha_heap.cc:239 #8 0x000055d53800365f in handler::ha_write_tmp_row (this=0x7fb9a80c9f18, buf=0x7fb9a81e7058 "\377\001") at /home/travis/src/sql/sql_class.h:6210 #9 0x000055d5380656e4 in select_unit::send_data (this=0x7fb9a8016888, values=...) at /home/travis/src/sql/sql_union.cc:149 #10 0x000055d537fed61f in end_send (join=0x7fb9a8016f68, join_tab=0x7fb9a801b9c0, end_of_records=false) at /home/travis/src/sql/sql_select.cc:20401 #11 0x000055d537feaf7c in evaluate_join_record (join=0x7fb9a8016f68, join_tab=0x7fb9a801b610, error=0) at /home/travis/src/sql/sql_select.cc:19452 #12 0x000055d537feaa20 in sub_select (join=0x7fb9a8016f68, join_tab=0x7fb9a801b610, end_of_records=false) at /home/travis/src/sql/sql_select.cc:19271 #13 0x000055d537fe9df9 in do_select (join=0x7fb9a8016f68, procedure=0x0) at /home/travis/src/sql/sql_select.cc:18772 #14 0x000055d537fc2fbe in JOIN::exec_inner (this=0x7fb9a8016f68) at /home/travis/src/sql/sql_select.cc:3987 #15 0x000055d537fc245e in JOIN::exec (this=0x7fb9a8016f68) at /home/travis/src/sql/sql_select.cc:3781 #16 0x000055d53806a11d in st_select_lex_unit::exec (this=0x7fb9a81ad6c0) at /home/travis/src/sql/sql_union.cc:1435 #17 0x000055d538065262 in mysql_union (thd=0x7fb9a8005270, lex=0x7fb9a81ad5f8, result=0x7fb9a81b15c8, unit=0x7fb9a81ad6c0, setup_tables_done_option=0) at /home/travis/src/sql/sql_union.cc:41 #18 0x000055d537fb58cc in handle_select (thd=0x7fb9a8005270, lex=0x7fb9a81ad5f8, result=0x7fb9a81b15c8, setup_tables_done_option=0) at /home/travis/src/sql/sql_select.cc:360 #19 0x000055d537f80b12 in execute_sqlcom_select (thd=0x7fb9a8005270, all_tables=0x7fb9a81af368) at /home/travis/src/sql/sql_parse.cc:6556 #20 0x000055d537f7717e in mysql_execute_command (thd=0x7fb9a8005270) at /home/travis/src/sql/sql_parse.cc:3770 #21 0x000055d537fa204f in Prepared_statement::execute (this=0x7fb9a81a7f50, expanded_query=0x7fb9bc2422f0, open_cursor=false) at /home/travis/src/sql/sql_prepare.cc:4740 #22 0x000055d537fa0499 in Prepared_statement::execute_loop (this=0x7fb9a81a7f50, expanded_query=0x7fb9bc2422f0, open_cursor=false, packet=0x7fb9a800df8a "", packet_end=0x7fb9a800df8a "") at /home/travis/src/sql/sql_prepare.cc:4170 #23 0x000055d537f9dd39 in mysql_stmt_execute_common (thd=0x7fb9a8005270, stmt_id=5345, packet=0x7fb9a800df8a "", packet_end=0x7fb9a800df8a "", cursor_flags=0, bulk_op=false, read_types=false) at /home/travis/src/sql/sql_prepare.cc:3170 #24 0x000055d537f9d8dc in mysqld_stmt_execute (thd=0x7fb9a8005270, packet_arg=0x7fb9a800df81 "\341\024", packet_length=9) at /home/travis/src/sql/sql_prepare.cc:3068 #25 0x000055d537f71841 in dispatch_command (command=COM_STMT_EXECUTE, thd=0x7fb9a8005270, packet=0x7fb9a800df81 "\341\024", packet_length=9, is_com_multi=false, is_next_command=false) at /home/travis/src/sql/sql_parse.cc:1784 #26 0x000055d537f70628 in do_command (thd=0x7fb9a8005270) at /home/travis/src/sql/sql_parse.cc:1387 #27 0x000055d5380d58b3 in do_handle_one_connection (connect=0x55d53c42f1c0) at /home/travis/src/sql/sql_connect.cc:1402 #28 0x000055d5380d5640 in handle_one_connection (arg=0x55d53c42f1c0) at /home/travis/src/sql/sql_connect.cc:1308 #29 0x000055d5389aafc3 in pfs_spawn_thread (arg=0x55d53c487d10) at /home/travis/src/storage/perfschema/pfs.cc:1862 #30 0x00007fb9d4a97184 in start_thread (arg=0x7fb9bc243700) at pthread_create.c:312 #31 0x00007fb9d3fa403d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 32 (Thread 0x7fb9977fe700 (LWP 26683)): #0 0x00007fb9d4a9eb9d in nanosleep () at ../sysdeps/unix/syscall-template.S:81 #1 0x000055d538542199 in os_thread_sleep (tm=1000000) at /home/travis/src/storage/innobase/os/os0thread.cc:230 #2 0x000055d538641ea8 in srv_master_sleep () at /home/travis/src/storage/innobase/srv/srv0srv.cc:2360 #3 0x000055d538641fea in srv_master_thread (arg=0x0) at /home/travis/src/storage/innobase/srv/srv0srv.cc:2405 #4 0x00007fb9d4a97184 in start_thread (arg=0x7fb9977fe700) at pthread_create.c:312 #5 0x00007fb9d3fa403d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 31 (Thread 0x7fb9bc1f9700 (LWP 26713)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238 #1 0x000055d538a1703b in safe_cond_timedwait (cond=0x55d539693b60 , mp=0x55d5396964c0 , abstime=0x7fb9bc1f8d60, file=0x55d538aa6880 "/home/travis/src/include/mysql/psi/mysql_thread.h", line=1215) at /home/travis/src/mysys/thr_mutex.c:546 #2 0x000055d537e54173 in inline_mysql_cond_timedwait (that=0x55d539693b60 , mutex=0x55d5396964c0 , abstime=0x7fb9bc1f8d60, src_file=0x55d538aa8780 "/home/travis/src/sql/mysqld.cc", src_line=3001) at /home/travis/src/include/mysql/psi/mysql_thread.h:1215 #3 0x000055d537e59209 in cache_thread (thd=0x7fb9b4013890) at /home/travis/src/sql/mysqld.cc:3000 #4 0x000055d537e594ad in one_thread_per_connection_end (thd=0x7fb9b4013890, put_in_cache=true) at /home/travis/src/sql/mysqld.cc:3087 #5 0x000055d5380d599c in do_handle_one_connection (connect=0x55d53b8b5810) at /home/travis/src/sql/sql_connect.cc:1421 #6 0x000055d5380d5640 in handle_one_connection (arg=0x55d53b8b5810) at /home/travis/src/sql/sql_connect.cc:1308 #7 0x000055d5389aafc3 in pfs_spawn_thread (arg=0x55d53c4880c0) at /home/travis/src/storage/perfschema/pfs.cc:1862 #8 0x00007fb9d4a97184 in start_thread (arg=0x7fb9bc1f9700) at pthread_create.c:312 #9 0x00007fb9d3fa403d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 30 (Thread 0x7fb9cc136700 (LWP 26704)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238 #1 0x000055d538a1703b in safe_cond_timedwait (cond=0x7fb978000e70, mp=0x7fb978000dc0, abstime=0x7fb9cc133bb0, file=0x55d538b13320 "/home/travis/src/include/mysql/psi/mysql_thread.h", line=1215) at /home/travis/src/mysys/thr_mutex.c:546 #2 0x000055d5380dd334 in inline_mysql_cond_timedwait (that=0x7fb978000e70, mutex=0x7fb978000dc0, abstime=0x7fb9cc133bb0, src_file=0x55d538b135d2 "/home/travis/src/sql/mdl.cc", src_line=1094) at /home/travis/src/include/mysql/psi/mysql_thread.h:1215 #3 0x000055d5380de745 in MDL_wait::timed_wait (this=0x7fb978000dc0, owner=0x7fb978000d50, abs_timeout=0x7fb9cc133bb0, set_status_on_timeout=false, wait_state_name=0x55d5394babd0 ) at /home/travis/src/sql/mdl.cc:1094 #4 0x000055d5380e01e1 in MDL_context::acquire_lock (this=0x7fb978000dc0, mdl_request=0x7fb9782d6ad8, lock_wait_timeout=10) at /home/travis/src/sql/mdl.cc:2148 #5 0x000055d5380e0693 in MDL_context::acquire_locks (this=0x7fb978000dc0, mdl_requests=0x7fb9cc133cf0, lock_wait_timeout=10) at /home/travis/src/sql/mdl.cc:2268 #6 0x000055d537eef30f in lock_table_names (thd=0x7fb978000c70, options=..., tables_start=0x7fb9782d6678, tables_end=0x0, lock_wait_timeout=10, flags=0) at /home/travis/src/sql/sql_base.cc:3781 #7 0x000055d538433ab7 in lock_table_names (thd=0x7fb978000c70, table_list=0x7fb9782d6678, table_list_end=0x0, lock_wait_timeout=10, flags=0) at /home/travis/src/sql/sql_base.h:228 #8 0x000055d53843460c in Sql_cmd_truncate_table::lock_table (this=0x7fb9782d6cc8, thd=0x7fb978000c70, table_ref=0x7fb9782d6678, hton_can_recreate=0x7fb9cc133ffa) at /home/travis/src/sql/sql_truncate.cc:316 #9 0x000055d538434984 in Sql_cmd_truncate_table::truncate_table (this=0x7fb9782d6cc8, thd=0x7fb978000c70, table_ref=0x7fb9782d6678) at /home/travis/src/sql/sql_truncate.cc:419 #10 0x000055d538434bc0 in Sql_cmd_truncate_table::execute (this=0x7fb9782d6cc8, thd=0x7fb978000c70) at /home/travis/src/sql/sql_truncate.cc:498 #11 0x000055d537f7f94d in mysql_execute_command (thd=0x7fb978000c70) at /home/travis/src/sql/sql_parse.cc:6284 #12 0x000055d537fa204f in Prepared_statement::execute (this=0x7fb9780a5cb0, expanded_query=0x7fb9cc1352f0, open_cursor=false) at /home/travis/src/sql/sql_prepare.cc:4740 #13 0x000055d537fa0499 in Prepared_statement::execute_loop (this=0x7fb9780a5cb0, expanded_query=0x7fb9cc1352f0, open_cursor=false, packet=0x7fb97800b2ca "", packet_end=0x7fb97800b2ca "") at /home/travis/src/sql/sql_prepare.cc:4170 #14 0x000055d537f9dd39 in mysql_stmt_execute_common (thd=0x7fb978000c70, stmt_id=5317, packet=0x7fb97800b2ca "", packet_end=0x7fb97800b2ca "", cursor_flags=0, bulk_op=false, read_types=false) at /home/travis/src/sql/sql_prepare.cc:3170 #15 0x000055d537f9d8dc in mysqld_stmt_execute (thd=0x7fb978000c70, packet_arg=0x7fb97800b2c1 "\305\024", packet_length=9) at /home/travis/src/sql/sql_prepare.cc:3068 #16 0x000055d537f71841 in dispatch_command (command=COM_STMT_EXECUTE, thd=0x7fb978000c70, packet=0x7fb97800b2c1 "\305\024", packet_length=9, is_com_multi=false, is_next_command=false) at /home/travis/src/sql/sql_parse.cc:1784 #17 0x000055d537f70628 in do_command (thd=0x7fb978000c70) at /home/travis/src/sql/sql_parse.cc:1387 #18 0x000055d5380d58b3 in do_handle_one_connection (connect=0x55d53c42f1c0) at /home/travis/src/sql/sql_connect.cc:1402 #19 0x000055d5380d5640 in handle_one_connection (arg=0x55d53c42f1c0) at /home/travis/src/sql/sql_connect.cc:1308 #20 0x000055d5389aafc3 in pfs_spawn_thread (arg=0x55d53c48dfe0) at /home/travis/src/storage/perfschema/pfs.cc:1862 #21 0x00007fb9d4a97184 in start_thread (arg=0x7fb9cc136700) at pthread_create.c:312 #22 0x00007fb9d3fa403d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 29 (Thread 0x7fb994ff9700 (LWP 26682)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238 #1 0x000055d538541736 in os_event::timed_wait (this=0x55d53c40d3d0, abstime=0x7fb994ff8c50) at /home/travis/src/storage/innobase/os/os0event.cc:283 #2 0x000055d538541a4d in os_event::wait_time_low (this=0x55d53c40d3d0, time_in_usec=5000000, reset_sig_count=1) at /home/travis/src/storage/innobase/os/os0event.cc:405 #3 0x000055d538541c2e in os_event_wait_time_low (event=0x55d53c40d3d0, time_in_usec=5000000, reset_sig_count=1) at /home/travis/src/storage/innobase/os/os0event.cc:510 #4 0x000055d5386a5de7 in ib_wqueue_timedwait (wq=0x55d53c406fd0, wait_in_usecs=5000000) at /home/travis/src/storage/innobase/ut/ut0wqueue.cc:163 #5 0x000055d5387f1a3a in fts_optimize_thread (arg=0x55d53c406fd0) at /home/travis/src/storage/innobase/fts/fts0opt.cc:3035 #6 0x00007fb9d4a97184 in start_thread (arg=0x7fb994ff9700) at pthread_create.c:312 #7 0x00007fb9d3fa403d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 28 (Thread 0x7fb9cc214700 (LWP 26693)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x000055d538a16d39 in safe_cond_wait (cond=0x55d539693ba0 , mp=0x55d539696f40 , file=0x55d538ab5980 "/home/travis/src/include/mysql/psi/mysql_thread.h", line=1178) at /home/travis/src/mysys/thr_mutex.c:492 #2 0x000055d537e857b0 in inline_mysql_cond_wait (that=0x55d539693ba0 , mutex=0x55d539696f40 , src_file=0x55d538ab63cd "/home/travis/src/sql/slave.cc", src_line=506) at /home/travis/src/include/mysql/psi/mysql_thread.h:1178 #3 0x000055d537e86bbb in handle_slave_background (arg=0x0) at /home/travis/src/sql/slave.cc:506 #4 0x000055d5389aafc3 in pfs_spawn_thread (arg=0x55d53c42ee10) at /home/travis/src/storage/perfschema/pfs.cc:1862 #5 0x00007fb9d4a97184 in start_thread (arg=0x7fb9cc214700) at pthread_create.c:312 #6 0x00007fb9d3fa403d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 27 (Thread 0x7fb995ffb700 (LWP 26680)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238 #1 0x000055d538541736 in os_event::timed_wait (this=0x55d53b9ae5f0, abstime=0x7fb995ffae20) at /home/travis/src/storage/innobase/os/os0event.cc:283 #2 0x000055d538541a4d in os_event::wait_time_low (this=0x55d53b9ae5f0, time_in_usec=5000000, reset_sig_count=1) at /home/travis/src/storage/innobase/os/os0event.cc:405 #3 0x000055d538541c2e in os_event_wait_time_low (event=0x55d53b9ae5f0, time_in_usec=5000000, reset_sig_count=1) at /home/travis/src/storage/innobase/os/os0event.cc:510 #4 0x000055d53864060b in srv_monitor_thread () at /home/travis/src/storage/innobase/srv/srv0srv.cc:1707 #5 0x00007fb9d4a97184 in start_thread (arg=0x7fb995ffb700) at pthread_create.c:312 #6 0x00007fb9d3fa403d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 26 (Thread 0x7fb9cc25e700 (LWP 26692)): #0 0x00007fb9d4a9f0c1 in do_sigwait (sig=0x7fb9cc25ddc0, set=) at ../nptl/sysdeps/unix/sysv/linux/../../../../../sysdeps/unix/sysv/linux/sigwait.c:60 #1 __sigwait (set=0x7fb9cc25ddf0, sig=0x7fb9cc25ddc0) at ../nptl/sysdeps/unix/sysv/linux/../../../../../sysdeps/unix/sysv/linux/sigwait.c:97 #2 0x000055d537e5a170 in signal_hand (arg=0x0) at /home/travis/src/sql/mysqld.cc:3550 #3 0x000055d5389aafc3 in pfs_spawn_thread (arg=0x55d53b959400) at /home/travis/src/storage/perfschema/pfs.cc:1862 #4 0x00007fb9d4a97184 in start_thread (arg=0x7fb9cc25e700) at pthread_create.c:312 #5 0x00007fb9d3fa403d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 25 (Thread 0x7fb99cd7d700 (LWP 26675)): #0 0x00007fb9d593e58a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x000055d538534a5e in LinuxAIOHandler::collect (this=0x7fb99cd7cc00) at /home/travis/src/storage/innobase/os/os0file.cc:1913 #2 0x000055d538534f87 in LinuxAIOHandler::poll (this=0x7fb99cd7cc00, m1=0x7fb99cd7cca8, m2=0x7fb99cd7ccb0, request=0x7fb99cd7cce0) at /home/travis/src/storage/innobase/os/os0file.cc:2058 #3 0x000055d5385350ea in os_aio_linux_handler (global_segment=9, m1=0x7fb99cd7cca8, m2=0x7fb99cd7ccb0, request=0x7fb99cd7cce0) at /home/travis/src/storage/innobase/os/os0file.cc:2112 #4 0x000055d538539c9e in os_aio_handler (segment=9, m1=0x7fb99cd7cca8, m2=0x7fb99cd7ccb0, request=0x7fb99cd7cce0) at /home/travis/src/storage/innobase/os/os0file.cc:5638 #5 0x000055d5387a9102 in fil_aio_wait (segment=9) at /home/travis/src/storage/innobase/fil/fil0fil.cc:5321 #6 0x000055d53864531e in io_handler_thread (arg=0x55d53970a068 ) at /home/travis/src/storage/innobase/srv/srv0start.cc:339 #7 0x00007fb9d4a97184 in start_thread (arg=0x7fb99cd7d700) at pthread_create.c:312 #8 0x00007fb9d3fa403d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 24 (Thread 0x7fb967fff700 (LWP 26691)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x000055d538a16d39 in safe_cond_wait (cond=0x7fb967ffed70, mp=0x7fb967ffedb0, file=0x55d538c80580 "/home/travis/src/include/mysql/psi/mysql_thread.h", line=1178) at /home/travis/src/mysys/thr_mutex.c:492 #2 0x000055d538465a21 in inline_mysql_cond_wait (that=0x7fb967ffed70, mutex=0x7fb967ffedb0, src_file=0x55d538c81ad0 "/home/travis/src/storage/innobase/handler/ha_innodb.cc", src_line=315) at /home/travis/src/include/mysql/psi/mysql_thread.h:1178 #3 0x000055d53846a5b6 in thd_destructor_proxy () at /home/travis/src/storage/innobase/handler/ha_innodb.cc:315 #4 0x000055d5389aafc3 in pfs_spawn_thread (arg=0x55d53c428150) at /home/travis/src/storage/perfschema/pfs.cc:1862 #5 0x00007fb9d4a97184 in start_thread (arg=0x7fb967fff700) at pthread_create.c:312 #6 0x00007fb9d3fa403d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 23 (Thread 0x7fb99ed81700 (LWP 26671)): #0 0x00007fb9d593e58a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x000055d538534a5e in LinuxAIOHandler::collect (this=0x7fb99ed80c00) at /home/travis/src/storage/innobase/os/os0file.cc:1913 #2 0x000055d538534f87 in LinuxAIOHandler::poll (this=0x7fb99ed80c00, m1=0x7fb99ed80ca8, m2=0x7fb99ed80cb0, request=0x7fb99ed80ce0) at /home/travis/src/storage/innobase/os/os0file.cc:2058 #3 0x000055d5385350ea in os_aio_linux_handler (global_segment=5, m1=0x7fb99ed80ca8, m2=0x7fb99ed80cb0, request=0x7fb99ed80ce0) at /home/travis/src/storage/innobase/os/os0file.cc:2112 #4 0x000055d538539c9e in os_aio_handler (segment=5, m1=0x7fb99ed80ca8, m2=0x7fb99ed80cb0, request=0x7fb99ed80ce0) at /home/travis/src/storage/innobase/os/os0file.cc:5638 #5 0x000055d5387a9102 in fil_aio_wait (segment=5) at /home/travis/src/storage/innobase/fil/fil0fil.cc:5321 #6 0x000055d53864531e in io_handler_thread (arg=0x55d53970a048 ) at /home/travis/src/storage/innobase/srv/srv0start.cc:339 #7 0x00007fb9d4a97184 in start_thread (arg=0x7fb99ed81700) at pthread_create.c:312 #8 0x00007fb9d3fa403d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 22 (Thread 0x7fb9871fe700 (LWP 26685)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x000055d538541e9b in os_event::wait (this=0x55d53b9ae4f0) at /home/travis/src/storage/innobase/os/os0event.cc:163 #2 0x000055d5385418a1 in os_event::wait_low (this=0x55d53b9ae4f0, reset_sig_count=794) at /home/travis/src/storage/innobase/os/os0event.cc:333 #3 0x000055d538541c53 in os_event_wait_low (event=0x55d53b9ae4f0, reset_sig_count=0) at /home/travis/src/storage/innobase/os/os0event.cc:527 #4 0x000055d53863e902 in srv_resume_thread (slot=0x55d5394d13f0 , sig_count=0, wait=true, timeout_usec=0) at /home/travis/src/storage/innobase/srv/srv0srv.cc:906 #5 0x000055d5386424e7 in srv_worker_thread (arg=0x0) at /home/travis/src/storage/innobase/srv/srv0srv.cc:2549 #6 0x00007fb9d4a97184 in start_thread (arg=0x7fb9871fe700) at pthread_create.c:312 #7 0x00007fb9d3fa403d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 21 (Thread 0x7fb99f582700 (LWP 26670)): #0 0x00007fb9d593e58a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x000055d538534a5e in LinuxAIOHandler::collect (this=0x7fb99f581c00) at /home/travis/src/storage/innobase/os/os0file.cc:1913 #2 0x000055d538534f87 in LinuxAIOHandler::poll (this=0x7fb99f581c00, m1=0x7fb99f581ca8, m2=0x7fb99f581cb0, request=0x7fb99f581ce0) at /home/travis/src/storage/innobase/os/os0file.cc:2058 #3 0x000055d5385350ea in os_aio_linux_handler (global_segment=4, m1=0x7fb99f581ca8, m2=0x7fb99f581cb0, request=0x7fb99f581ce0) at /home/travis/src/storage/innobase/os/os0file.cc:2112 #4 0x000055d538539c9e in os_aio_handler (segment=4, m1=0x7fb99f581ca8, m2=0x7fb99f581cb0, request=0x7fb99f581ce0) at /home/travis/src/storage/innobase/os/os0file.cc:5638 #5 0x000055d5387a9102 in fil_aio_wait (segment=4) at /home/travis/src/storage/innobase/fil/fil0fil.cc:5321 #6 0x000055d53864531e in io_handler_thread (arg=0x55d53970a040 ) at /home/travis/src/storage/innobase/srv/srv0start.cc:339 #7 0x00007fb9d4a97184 in start_thread (arg=0x7fb99f582700) at pthread_create.c:312 #8 0x00007fb9d3fa403d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 20 (Thread 0x7fb9957fa700 (LWP 26681)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238 #1 0x000055d538541736 in os_event::timed_wait (this=0x55d53c3fb480, abstime=0x7fb9957f9e60) at /home/travis/src/storage/innobase/os/os0event.cc:283 #2 0x000055d538541a4d in os_event::wait_time_low (this=0x55d53c3fb480, time_in_usec=10000000, reset_sig_count=1) at /home/travis/src/storage/innobase/os/os0event.cc:405 #3 0x000055d538541c2e in os_event_wait_time_low (event=0x55d53c3fb480, time_in_usec=10000000, reset_sig_count=0) at /home/travis/src/storage/innobase/os/os0event.cc:510 #4 0x000055d53878f487 in dict_stats_thread () at /home/travis/src/storage/innobase/dict/dict0stats_bg.cc:451 #5 0x00007fb9d4a97184 in start_thread (arg=0x7fb9957fa700) at pthread_create.c:312 #6 0x00007fb9d3fa403d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 19 (Thread 0x7fb9adfff700 (LWP 26669)): #0 0x00007fb9d593e58a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x000055d538534a5e in LinuxAIOHandler::collect (this=0x7fb9adffec00) at /home/travis/src/storage/innobase/os/os0file.cc:1913 #2 0x000055d538534f87 in LinuxAIOHandler::poll (this=0x7fb9adffec00, m1=0x7fb9adffeca8, m2=0x7fb9adffecb0, request=0x7fb9adffece0) at /home/travis/src/storage/innobase/os/os0file.cc:2058 #3 0x000055d5385350ea in os_aio_linux_handler (global_segment=3, m1=0x7fb9adffeca8, m2=0x7fb9adffecb0, request=0x7fb9adffece0) at /home/travis/src/storage/innobase/os/os0file.cc:2112 #4 0x000055d538539c9e in os_aio_handler (segment=3, m1=0x7fb9adffeca8, m2=0x7fb9adffecb0, request=0x7fb9adffece0) at /home/travis/src/storage/innobase/os/os0file.cc:5638 #5 0x000055d5387a9102 in fil_aio_wait (segment=3) at /home/travis/src/storage/innobase/fil/fil0fil.cc:5321 #6 0x000055d53864531e in io_handler_thread (arg=0x55d53970a038 ) at /home/travis/src/storage/innobase/srv/srv0start.cc:339 #7 0x00007fb9d4a97184 in start_thread (arg=0x7fb9adfff700) at pthread_create.c:312 #8 0x00007fb9d3fa403d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 18 (Thread 0x7fb9967fc700 (LWP 26679)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238 #1 0x000055d538541736 in os_event::timed_wait (this=0x55d53b9ae570, abstime=0x7fb9967fbca0) at /home/travis/src/storage/innobase/os/os0event.cc:283 #2 0x000055d538541a4d in os_event::wait_time_low (this=0x55d53b9ae570, time_in_usec=1000000, reset_sig_count=1) at /home/travis/src/storage/innobase/os/os0event.cc:405 #3 0x000055d538541c2e in os_event_wait_time_low (event=0x55d53b9ae570, time_in_usec=1000000, reset_sig_count=1) at /home/travis/src/storage/innobase/os/os0event.cc:510 #4 0x000055d538640b2d in srv_error_monitor_thread () at /home/travis/src/storage/innobase/srv/srv0srv.cc:1871 #5 0x00007fb9d4a97184 in start_thread (arg=0x7fb9967fc700) at pthread_create.c:312 #6 0x00007fb9d3fa403d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 17 (Thread 0x7fb9bcc49700 (LWP 26668)): #0 0x00007fb9d593e58a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x000055d538534a5e in LinuxAIOHandler::collect (this=0x7fb9bcc48c00) at /home/travis/src/storage/innobase/os/os0file.cc:1913 #2 0x000055d538534f87 in LinuxAIOHandler::poll (this=0x7fb9bcc48c00, m1=0x7fb9bcc48ca8, m2=0x7fb9bcc48cb0, request=0x7fb9bcc48ce0) at /home/travis/src/storage/innobase/os/os0file.cc:2058 #3 0x000055d5385350ea in os_aio_linux_handler (global_segment=2, m1=0x7fb9bcc48ca8, m2=0x7fb9bcc48cb0, request=0x7fb9bcc48ce0) at /home/travis/src/storage/innobase/os/os0file.cc:2112 #4 0x000055d538539c9e in os_aio_handler (segment=2, m1=0x7fb9bcc48ca8, m2=0x7fb9bcc48cb0, request=0x7fb9bcc48ce0) at /home/travis/src/storage/innobase/os/os0file.cc:5638 #5 0x000055d5387a9102 in fil_aio_wait (segment=2) at /home/travis/src/storage/innobase/fil/fil0fil.cc:5321 #6 0x000055d53864531e in io_handler_thread (arg=0x55d53970a030 ) at /home/travis/src/storage/innobase/srv/srv0start.cc:339 #7 0x00007fb9d4a97184 in start_thread (arg=0x7fb9bcc49700) at pthread_create.c:312 #8 0x00007fb9d3fa403d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 16 (Thread 0x7fb996ffd700 (LWP 26678)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238 #1 0x000055d538541736 in os_event::timed_wait (this=0x55d53c2e3e10, abstime=0x7fb996ffce40) at /home/travis/src/storage/innobase/os/os0event.cc:283 #2 0x000055d538541a4d in os_event::wait_time_low (this=0x55d53c2e3e10, time_in_usec=1000000, reset_sig_count=1) at /home/travis/src/storage/innobase/os/os0event.cc:405 #3 0x000055d538541c2e in os_event_wait_time_low (event=0x55d53c2e3e10, time_in_usec=1000000, reset_sig_count=1) at /home/travis/src/storage/innobase/os/os0event.cc:510 #4 0x000055d53850dd4a in lock_wait_timeout_thread () at /home/travis/src/storage/innobase/lock/lock0wait.cc:547 #5 0x00007fb9d4a97184 in start_thread (arg=0x7fb996ffd700) at pthread_create.c:312 #6 0x00007fb9d3fa403d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 15 (Thread 0x7fb9bd44a700 (LWP 26667)): #0 0x00007fb9d593e58a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x000055d538534a5e in LinuxAIOHandler::collect (this=0x7fb9bd449c00) at /home/travis/src/storage/innobase/os/os0file.cc:1913 #2 0x000055d538534f87 in LinuxAIOHandler::poll (this=0x7fb9bd449c00, m1=0x7fb9bd449ca8, m2=0x7fb9bd449cb0, request=0x7fb9bd449ce0) at /home/travis/src/storage/innobase/os/os0file.cc:2058 #3 0x000055d5385350ea in os_aio_linux_handler (global_segment=1, m1=0x7fb9bd449ca8, m2=0x7fb9bd449cb0, request=0x7fb9bd449ce0) at /home/travis/src/storage/innobase/os/os0file.cc:2112 #4 0x000055d538539c9e in os_aio_handler (segment=1, m1=0x7fb9bd449ca8, m2=0x7fb9bd449cb0, request=0x7fb9bd449ce0) at /home/travis/src/storage/innobase/os/os0file.cc:5638 #5 0x000055d5387a9102 in fil_aio_wait (segment=1) at /home/travis/src/storage/innobase/fil/fil0fil.cc:5321 #6 0x000055d53864531e in io_handler_thread (arg=0x55d53970a028 ) at /home/travis/src/storage/innobase/srv/srv0start.cc:339 #7 0x00007fb9d4a97184 in start_thread (arg=0x7fb9bd44a700) at pthread_create.c:312 #8 0x00007fb9d3fa403d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 14 (Thread 0x7fb997fff700 (LWP 26676)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238 #1 0x000055d538541736 in os_event::timed_wait (this=0x55d53b9ae6f0, abstime=0x7fb997ffebf0) at /home/travis/src/storage/innobase/os/os0event.cc:283 #2 0x000055d538541a4d in os_event::wait_time_low (this=0x55d53b9ae6f0, time_in_usec=972000, reset_sig_count=2) at /home/travis/src/storage/innobase/os/os0event.cc:405 #3 0x000055d538541c2e in os_event_wait_time_low (event=0x55d53b9ae6f0, time_in_usec=972000, reset_sig_count=2) at /home/travis/src/storage/innobase/os/os0event.cc:510 #4 0x000055d53872d4fb in pc_sleep_if_needed (next_loop_time=1522319260183, sig_count=2, cur_time=1522319259211) at /home/travis/src/storage/innobase/buf/buf0flu.cc:2675 #5 0x000055d53872e432 in buf_flush_page_cleaner_coordinator () at /home/travis/src/storage/innobase/buf/buf0flu.cc:3141 #6 0x00007fb9d4a97184 in start_thread (arg=0x7fb997fff700) at pthread_create.c:312 #7 0x00007fb9d3fa403d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 13 (Thread 0x7fb99d57e700 (LWP 26674)): #0 0x00007fb9d593e58a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x000055d538534a5e in LinuxAIOHandler::collect (this=0x7fb99d57dc00) at /home/travis/src/storage/innobase/os/os0file.cc:1913 #2 0x000055d538534f87 in LinuxAIOHandler::poll (this=0x7fb99d57dc00, m1=0x7fb99d57dca8, m2=0x7fb99d57dcb0, request=0x7fb99d57dce0) at /home/travis/src/storage/innobase/os/os0file.cc:2058 #3 0x000055d5385350ea in os_aio_linux_handler (global_segment=8, m1=0x7fb99d57dca8, m2=0x7fb99d57dcb0, request=0x7fb99d57dce0) at /home/travis/src/storage/innobase/os/os0file.cc:2112 #4 0x000055d538539c9e in os_aio_handler (segment=8, m1=0x7fb99d57dca8, m2=0x7fb99d57dcb0, request=0x7fb99d57dce0) at /home/travis/src/storage/innobase/os/os0file.cc:5638 #5 0x000055d5387a9102 in fil_aio_wait (segment=8) at /home/travis/src/storage/innobase/fil/fil0fil.cc:5321 #6 0x000055d53864531e in io_handler_thread (arg=0x55d53970a060 ) at /home/travis/src/storage/innobase/srv/srv0start.cc:339 #7 0x00007fb9d4a97184 in start_thread (arg=0x7fb99d57e700) at pthread_create.c:312 #8 0x00007fb9d3fa403d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 12 (Thread 0x7fb9ad7fa700 (LWP 26666)): #0 0x00007fb9d593e58a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x000055d538534a5e in LinuxAIOHandler::collect (this=0x7fb9ad7f9c00) at /home/travis/src/storage/innobase/os/os0file.cc:1913 #2 0x000055d538534f87 in LinuxAIOHandler::poll (this=0x7fb9ad7f9c00, m1=0x7fb9ad7f9ca8, m2=0x7fb9ad7f9cb0, request=0x7fb9ad7f9ce0) at /home/travis/src/storage/innobase/os/os0file.cc:2058 #3 0x000055d5385350ea in os_aio_linux_handler (global_segment=0, m1=0x7fb9ad7f9ca8, m2=0x7fb9ad7f9cb0, request=0x7fb9ad7f9ce0) at /home/travis/src/storage/innobase/os/os0file.cc:2112 #4 0x000055d538539c9e in os_aio_handler (segment=0, m1=0x7fb9ad7f9ca8, m2=0x7fb9ad7f9cb0, request=0x7fb9ad7f9ce0) at /home/travis/src/storage/innobase/os/os0file.cc:5638 #5 0x000055d5387a9102 in fil_aio_wait (segment=0) at /home/travis/src/storage/innobase/fil/fil0fil.cc:5321 #6 0x000055d53864531e in io_handler_thread (arg=0x55d53970a020 ) at /home/travis/src/storage/innobase/srv/srv0start.cc:339 #7 0x00007fb9d4a97184 in start_thread (arg=0x7fb9ad7fa700) at pthread_create.c:312 #8 0x00007fb9d3fa403d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 11 (Thread 0x7fb9acff9700 (LWP 26665)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238 #1 0x000055d538a1703b in safe_cond_timedwait (cond=0x55d539f1b2e0 , mp=0x55d539f1b220 , abstime=0x7fb9acff8db0, file=0x55d538de36d0 "/home/travis/src/include/mysql/psi/mysql_thread.h", line=1215) at /home/travis/src/mysys/thr_mutex.c:546 #2 0x000055d538887dfd in inline_mysql_cond_timedwait (that=0x55d539f1b2e0 , mutex=0x55d539f1b220 , abstime=0x7fb9acff8db0, src_file=0x55d538de3708 "/home/travis/src/storage/maria/ma_servicethread.c", src_line=116) at /home/travis/src/include/mysql/psi/mysql_thread.h:1215 #3 0x000055d5388882c0 in my_service_thread_sleep (control=0x55d5394d5660 , sleep_time=30000000000) at /home/travis/src/storage/maria/ma_servicethread.c:115 #4 0x000055d53887cb65 in ma_checkpoint_background (arg=0x1e) at /home/travis/src/storage/maria/ma_checkpoint.c:707 #5 0x000055d5389aafc3 in pfs_spawn_thread (arg=0x55d53b9585b0) at /home/travis/src/storage/perfschema/pfs.cc:1862 #6 0x00007fb9d4a97184 in start_thread (arg=0x7fb9acff9700) at pthread_create.c:312 #7 0x00007fb9d3fa403d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 10 (Thread 0x7fb99dd7f700 (LWP 26673)): #0 0x00007fb9d593e58a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x000055d538534a5e in LinuxAIOHandler::collect (this=0x7fb99dd7ec00) at /home/travis/src/storage/innobase/os/os0file.cc:1913 #2 0x000055d538534f87 in LinuxAIOHandler::poll (this=0x7fb99dd7ec00, m1=0x7fb99dd7eca8, m2=0x7fb99dd7ecb0, request=0x7fb99dd7ece0) at /home/travis/src/storage/innobase/os/os0file.cc:2058 #3 0x000055d5385350ea in os_aio_linux_handler (global_segment=7, m1=0x7fb99dd7eca8, m2=0x7fb99dd7ecb0, request=0x7fb99dd7ece0) at /home/travis/src/storage/innobase/os/os0file.cc:2112 #4 0x000055d538539c9e in os_aio_handler (segment=7, m1=0x7fb99dd7eca8, m2=0x7fb99dd7ecb0, request=0x7fb99dd7ece0) at /home/travis/src/storage/innobase/os/os0file.cc:5638 #5 0x000055d5387a9102 in fil_aio_wait (segment=7) at /home/travis/src/storage/innobase/fil/fil0fil.cc:5321 #6 0x000055d53864531e in io_handler_thread (arg=0x55d53970a058 ) at /home/travis/src/storage/innobase/srv/srv0start.cc:339 #7 0x00007fb9d4a97184 in start_thread (arg=0x7fb99dd7f700) at pthread_create.c:312 #8 0x00007fb9d3fa403d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 9 (Thread 0x7fb99e580700 (LWP 26672)): #0 0x00007fb9d593e58a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1 #1 0x000055d538534a5e in LinuxAIOHandler::collect (this=0x7fb99e57fc00) at /home/travis/src/storage/innobase/os/os0file.cc:1913 #2 0x000055d538534f87 in LinuxAIOHandler::poll (this=0x7fb99e57fc00, m1=0x7fb99e57fca8, m2=0x7fb99e57fcb0, request=0x7fb99e57fce0) at /home/travis/src/storage/innobase/os/os0file.cc:2058 #3 0x000055d5385350ea in os_aio_linux_handler (global_segment=6, m1=0x7fb99e57fca8, m2=0x7fb99e57fcb0, request=0x7fb99e57fce0) at /home/travis/src/storage/innobase/os/os0file.cc:2112 #4 0x000055d538539c9e in os_aio_handler (segment=6, m1=0x7fb99e57fca8, m2=0x7fb99e57fcb0, request=0x7fb99e57fce0) at /home/travis/src/storage/innobase/os/os0file.cc:5638 #5 0x000055d5387a9102 in fil_aio_wait (segment=6) at /home/travis/src/storage/innobase/fil/fil0fil.cc:5321 #6 0x000055d53864531e in io_handler_thread (arg=0x55d53970a050 ) at /home/travis/src/storage/innobase/srv/srv0start.cc:339 #7 0x00007fb9d4a97184 in start_thread (arg=0x7fb99e580700) at pthread_create.c:312 #8 0x00007fb9d3fa403d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 8 (Thread 0x7fb9a7fff700 (LWP 26664)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238 #1 0x000055d538a1703b in safe_cond_timedwait (cond=0x7fb9bffe9ef0 , mp=0x7fb9bffe9e40 , abstime=0x7fb9a7ffed30, file=0x7fb9bfafc7d8 "/home/travis/src/include/mysql/psi/mysql_thread.h", line=1215) at /home/travis/src/mysys/thr_mutex.c:546 #2 0x00007fb9bf684bdd in inline_mysql_cond_timedwait (that=0x7fb9bffe9ef0 , mutex=0x7fb9bffe9e40 , abstime=0x7fb9a7ffed30, src_file=0x7fb9bfafcee8 "/home/travis/src/storage/rocksdb/ha_rocksdb.cc", src_line=10237) at /home/travis/src/include/mysql/psi/mysql_thread.h:1215 #3 0x00007fb9bf69e97a in myrocks::Rdb_drop_index_thread::run (this=0x7fb9bffe9e20 ) at /home/travis/src/storage/rocksdb/ha_rocksdb.cc:10237 #4 0x00007fb9bf736124 in myrocks::Rdb_thread::thread_func (thread_ptr=0x7fb9bffe9e20 ) at /home/travis/src/storage/rocksdb/rdb_threads.cc:34 #5 0x000055d5389aafc3 in pfs_spawn_thread (arg=0x55d53b887b70) at /home/travis/src/storage/perfschema/pfs.cc:1862 #6 0x00007fb9d4a97184 in start_thread (arg=0x7fb9a7fff700) at pthread_create.c:312 #7 0x00007fb9d3fa403d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 7 (Thread 0x7fb9a77fe700 (LWP 26663)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238 #1 0x000055d538a1703b in safe_cond_timedwait (cond=0x7fb9bffe9af0 , mp=0x7fb9bffe9a40 , abstime=0x7fb9a77fde10, file=0x7fb9bfafc7d8 "/home/travis/src/include/mysql/psi/mysql_thread.h", line=1215) at /home/travis/src/mysys/thr_mutex.c:546 #2 0x00007fb9bf684bdd in inline_mysql_cond_timedwait (that=0x7fb9bffe9af0 , mutex=0x7fb9bffe9a40 , abstime=0x7fb9a77fde10, src_file=0x7fb9bfafcee8 "/home/travis/src/storage/rocksdb/ha_rocksdb.cc", src_line=11926) at /home/travis/src/include/mysql/psi/mysql_thread.h:1215 #3 0x00007fb9bf6a5813 in myrocks::Rdb_background_thread::run (this=0x7fb9bffe9a20 ) at /home/travis/src/storage/rocksdb/ha_rocksdb.cc:11926 #4 0x00007fb9bf736124 in myrocks::Rdb_thread::thread_func (thread_ptr=0x7fb9bffe9a20 ) at /home/travis/src/storage/rocksdb/rdb_threads.cc:34 #5 0x000055d5389aafc3 in pfs_spawn_thread (arg=0x55d53b887700) at /home/travis/src/storage/perfschema/pfs.cc:1862 #6 0x00007fb9d4a97184 in start_thread (arg=0x7fb9a77fe700) at pthread_create.c:312 #7 0x00007fb9d3fa403d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 6 (Thread 0x7fb9ccce6700 (LWP 26628)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007fb9bfa2604c in rocksdb::port::CondVar::Wait (this=0x55d53b82e048) at /home/travis/src/storage/rocksdb/rocksdb/port/port_posix.cc:90 #2 0x00007fb9bf8c582c in rocksdb::InstrumentedCondVar::WaitInternal (this=0x55d53b82e048) at /home/travis/src/storage/rocksdb/rocksdb/monitoring/instrumented_mutex.cc:60 #3 0x00007fb9bf8c57ca in rocksdb::InstrumentedCondVar::Wait (this=0x55d53b82e048) at /home/travis/src/storage/rocksdb/rocksdb/monitoring/instrumented_mutex.cc:52 #4 0x00007fb9bfad5e48 in rocksdb::DeleteScheduler::BackgroundEmptyTrash (this=0x55d53b82df50) at /home/travis/src/storage/rocksdb/rocksdb/util/delete_scheduler.cc:143 #5 0x00007fb9bfadb315 in std::_Mem_fn::operator()<, void>(rocksdb::DeleteScheduler*) const (this=0x55d53b843d18, __object=0x55d53b82df50) at /usr/include/c++/4.8/functional:601 #6 0x00007fb9bfadb265 in std::_Bind_simple (rocksdb::DeleteScheduler*)>::_M_invoke<0ul>(std::_Index_tuple<0ul>) (this=0x55d53b843d10) at /usr/include/c++/4.8/functional:1732 #7 0x00007fb9bfadb16d in std::_Bind_simple (rocksdb::DeleteScheduler*)>::operator()() (this=0x55d53b843d10) at /usr/include/c++/4.8/functional:1720 #8 0x00007fb9bfadb106 in std::thread::_Impl (rocksdb::DeleteScheduler*)> >::_M_run() (this=0x55d53b843cf8) at /usr/include/c++/4.8/thread:115 #9 0x00007fb9d483ca60 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 #10 0x00007fb9d4a97184 in start_thread (arg=0x7fb9ccce6700) at pthread_create.c:312 #11 0x00007fb9d3fa403d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 5 (Thread 0x7fb9be7ef700 (LWP 26630)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007fb9d48394dc in std::condition_variable::wait(std::unique_lock&) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 #2 0x00007fb9bfadf7f7 in rocksdb::ThreadPoolImpl::Impl::BGThread (this=0x55d53b61c700, thread_id=0) at /home/travis/src/storage/rocksdb/rocksdb/util/threadpool_imp.cc:180 #3 0x00007fb9bfadfab2 in rocksdb::ThreadPoolImpl::Impl::BGThreadWrapper (arg=0x55d53b86c020) at /home/travis/src/storage/rocksdb/rocksdb/util/threadpool_imp.cc:261 #4 0x00007fb9bfae7fe0 in std::_Bind_simple::_M_invoke<0ul>(std::_Index_tuple<0ul>) (this=0x55d53b86c070) at /usr/include/c++/4.8/functional:1732 #5 0x00007fb9bfae7eeb in std::_Bind_simple::operator()() (this=0x55d53b86c070) at /usr/include/c++/4.8/functional:1720 #6 0x00007fb9bfae7e84 in std::thread::_Impl >::_M_run() (this=0x55d53b86c058) at /usr/include/c++/4.8/thread:115 #7 0x00007fb9d483ca60 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 #8 0x00007fb9d4a97184 in start_thread (arg=0x7fb9be7ef700) at pthread_create.c:312 #9 0x00007fb9d3fa403d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 4 (Thread 0x7fb9d617b780 (LWP 26626)): #0 0x00007fb9d3f96c9d in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x000055d537e60194 in handle_connections_sockets () at /home/travis/src/sql/mysqld.cc:6687 #2 0x000055d537e5f469 in mysqld_main (argc=24, argv=0x55d53b4ecdc8) at /home/travis/src/sql/mysqld.cc:6156 #3 0x000055d537e538e5 in main (argc=24, argv=0x7ffc131fde38) at /home/travis/src/sql/main.cc:25 Thread 3 (Thread 0x7fb9beff0700 (LWP 26629)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007fb9d48394dc in std::condition_variable::wait(std::unique_lock&) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 #2 0x00007fb9bfadf7f7 in rocksdb::ThreadPoolImpl::Impl::BGThread (this=0x55d53b61c3c0, thread_id=0) at /home/travis/src/storage/rocksdb/rocksdb/util/threadpool_imp.cc:180 #3 0x00007fb9bfadfab2 in rocksdb::ThreadPoolImpl::Impl::BGThreadWrapper (arg=0x55d53b8521d0) at /home/travis/src/storage/rocksdb/rocksdb/util/threadpool_imp.cc:261 #4 0x00007fb9bfae7fe0 in std::_Bind_simple::_M_invoke<0ul>(std::_Index_tuple<0ul>) (this=0x55d53b876010) at /usr/include/c++/4.8/functional:1732 #5 0x00007fb9bfae7eeb in std::_Bind_simple::operator()() (this=0x55d53b876010) at /usr/include/c++/4.8/functional:1720 #6 0x00007fb9bfae7e84 in std::thread::_Impl >::_M_run() (this=0x55d53b875ff8) at /usr/include/c++/4.8/thread:115 #7 0x00007fb9d483ca60 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 #8 0x00007fb9d4a97184 in start_thread (arg=0x7fb9beff0700) at pthread_create.c:312 #9 0x00007fb9d3fa403d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 2 (Thread 0x7fb9cd72e700 (LWP 26627)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238 #1 0x000055d538a1703b in safe_cond_timedwait (cond=0x55d539f2ca00 , mp=0x55d539f2c940 , abstime=0x7fb9cd72de70, file=0x55d538e21d10 "/home/travis/src/include/mysql/psi/mysql_thread.h", line=1215) at /home/travis/src/mysys/thr_mutex.c:546 #2 0x000055d538a18020 in inline_mysql_cond_timedwait (that=0x55d539f2ca00 , mutex=0x55d539f2c940 , abstime=0x7fb9cd72de70, src_file=0x55d538e21d48 "/home/travis/src/mysys/thr_timer.c", src_line=292) at /home/travis/src/include/mysql/psi/mysql_thread.h:1215 #3 0x000055d538a18b22 in timer_handler (arg=0x0) at /home/travis/src/mysys/thr_timer.c:292 #4 0x000055d5389aafc3 in pfs_spawn_thread (arg=0x55d53b60a660) at /home/travis/src/storage/perfschema/pfs.cc:1862 #5 0x00007fb9d4a97184 in start_thread (arg=0x7fb9cd72e700) at pthread_create.c:312 #6 0x00007fb9d3fa403d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 1 (Thread 0x7fb9cc180700 (LWP 26698)): #0 0x00007fb9d4a9c611 in __pthread_kill (threadid=, signo=11) at ../nptl/sysdeps/unix/sysv/linux/pthread_kill.c:61 #1 0x000055d538a11776 in my_write_core (sig=11) at /home/travis/src/mysys/stacktrace.c:481 #2 0x000055d5382631b5 in handle_fatal_signal (sig=11) at /home/travis/src/sql/signal_handler.cc:305 #3 #4 0x000055d537f258b5 in Item::delete_self (this=0x7fb97d32a528) at /home/travis/src/sql/item.h:1879 #5 0x000055d537f1be89 in Query_arena::free_items (this=0x7fb97d32a5b8) at /home/travis/src/sql/sql_class.cc:3769 #6 0x000055d538088b1c in closefrm (table=0x7fb97d3d1750) at /home/travis/src/sql/table.cc:3565 #7 0x000055d53819b563 in intern_close_table (table=0x7fb97d3d1750) at /home/travis/src/sql/table_cache.cc:222 #8 0x000055d53819b702 in tc_remove_table (table=0x7fb97d3d1750) at /home/travis/src/sql/table_cache.cc:260 #9 0x000055d53819c06f in tc_release_table (table=0x7fb97d3d1750) at /home/travis/src/sql/table_cache.cc:472 #10 0x000055d537ee99bd in close_thread_table (thd=0x7fb97c000fa0, table_ptr=0x7fb97c001090) at /home/travis/src/sql/sql_base.cc:909 #11 0x000055d537ee9222 in close_all_tables_for_name (thd=0x7fb97c000fa0, share=0x7fb97d57f708, extra=HA_EXTRA_NOT_USED, skip_table=0x0) at /home/travis/src/sql/sql_base.cc:677 #12 0x000055d53804e40d in mysql_inplace_alter_table (thd=0x7fb97c000fa0, table_list=0x7fb97c062490, table=0x7fb97d3d1750, altered_table=0x7fb97c07a0e0, ha_alter_info=0x7fb9cc17be80, inplace_supported=HA_ALTER_INPLACE_SHARED_LOCK_AFTER_PREPARE, target_mdl_request=0x7fb9cc17bff0, alter_ctx=0x7fb9cc17cca0) at /home/travis/src/sql/sql_table.cc:7697 #13 0x000055d53805464a in mysql_alter_table (thd=0x7fb97c000fa0, new_db=0x7fb97c0614d0, new_name=0x7fb97c061880, create_info=0x7fb9cc17d880, table_list=0x7fb97c062490, alter_info=0x7fb9cc17d7d0, order_num=0, order=0x0, ignore=false) at /home/travis/src/sql/sql_table.cc:9847 #14 0x000055d5380dae3e in Sql_cmd_alter_table::execute (this=0x7fb97c062ba8, thd=0x7fb97c000fa0) at /home/travis/src/sql/sql_alter.cc:334 #15 0x000055d537f7f94d in mysql_execute_command (thd=0x7fb97c000fa0) at /home/travis/src/sql/sql_parse.cc:6284 #16 0x000055d537fa204f in Prepared_statement::execute (this=0x7fb97d2342f0, expanded_query=0x7fb9cc17f2f0, open_cursor=false) at /home/travis/src/sql/sql_prepare.cc:4740 #17 0x000055d537fa0499 in Prepared_statement::execute_loop (this=0x7fb97d2342f0, expanded_query=0x7fb9cc17f2f0, open_cursor=false, packet=0x7fb97d0bee5a "", packet_end=0x7fb97d0bee5a "") at /home/travis/src/sql/sql_prepare.cc:4170 #18 0x000055d537f9dd39 in mysql_stmt_execute_common (thd=0x7fb97c000fa0, stmt_id=29673, packet=0x7fb97d0bee5a "", packet_end=0x7fb97d0bee5a "", cursor_flags=0, bulk_op=false, read_types=false) at /home/travis/src/sql/sql_prepare.cc:3170 #19 0x000055d537f9d8dc in mysqld_stmt_execute (thd=0x7fb97c000fa0, packet_arg=0x7fb97d0bee51 "\351s", packet_length=9) at /home/travis/src/sql/sql_prepare.cc:3068 #20 0x000055d537f71841 in dispatch_command (command=COM_STMT_EXECUTE, thd=0x7fb97c000fa0, packet=0x7fb97d0bee51 "\351s", packet_length=9, is_com_multi=false, is_next_command=false) at /home/travis/src/sql/sql_parse.cc:1784 #21 0x000055d537f70628 in do_command (thd=0x7fb97c000fa0) at /home/travis/src/sql/sql_parse.cc:1387 #22 0x000055d5380d58b3 in do_handle_one_connection (connect=0x55d53c42f1c0) at /home/travis/src/sql/sql_connect.cc:1402 #23 0x000055d5380d5640 in handle_one_connection (arg=0x55d53c42f1c0) at /home/travis/src/sql/sql_connect.cc:1308 #24 0x000055d5389aafc3 in pfs_spawn_thread (arg=0x55d53c4f3cf0) at /home/travis/src/storage/perfschema/pfs.cc:1862 #25 0x00007fb9d4a97184 in start_thread (arg=0x7fb9cc180700) at pthread_create.c:312 #26 0x00007fb9d3fa403d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111