[Thread debugging using libthread_db enabled] Core was generated by `sql/mysqld --no-defaults --basedir=/home/elenst/maria-5.'. Program terminated with signal 6, Aborted. #0 __pthread_kill (threadid=, signo=6) at ../nptl/sysdeps/unix/sysv/linux/pthread_kill.c:63 in ../nptl/sysdeps/unix/sysv/linux/pthread_kill.c Thread 7 (Thread 0x7f912632f700 (LWP 6627)): #0 0x00007f912f12297d in fdatasync () at ../sysdeps/unix/syscall-template.S:82 #1 0x0000000000cb7bd2 in my_sync (fd=42, my_flags=0) at mysys/my_sync.c:87 #2 0x000000000099d5a4 in maria_extra (info=0x3b86c20, function=HA_EXTRA_PREPARE_FOR_RENAME, extra_arg=0x0) at storage/maria/ma_extra.c:397 #3 0x0000000000957d62 in ha_maria::extra (this=0x3adc758, operation=HA_EXTRA_PREPARE_FOR_RENAME) at storage/maria/ha_maria.cc:2532 #4 0x00000000005aeed1 in wait_while_table_is_used (thd=0x3aca0c0, table=0x3b91e70, function=HA_EXTRA_PREPARE_FOR_RENAME) at sql/sql_base.cc:2348 #5 0x000000000071a14b in mysql_admin_table(THD *, TABLE_LIST *, HA_CHECK_OPT *, const char *, thr_lock_type, bool, bool, uint, int (*)(THD *, TABLE_LIST *, HA_CHECK_OPT *), struct {...}, int (*)(THD *, TABLE_LIST *)) (thd=0x3aca0c0, tables=0x3ad6688, check_opt=0x3acd208, operator_name=0xd4fe3a "optimize", lock_type=TL_WRITE, open_for_modify=true, repair_table_use_frm=false, extra_open_options=0, prepare_func=0, operator_func=(int (handler::*)(handler * const, THD *, HA_CHECK_OPT *)) 0x7c79c2 , view_operator_func=0) at sql/sql_admin.cc:591 #6 0x000000000071bd7b in Optimize_table_statement::execute (this=0x3ad6c58, thd=0x3aca0c0) at sql/sql_admin.cc:1055 #7 0x00000000006140f6 in mysql_execute_command (thd=0x3aca0c0) at sql/sql_parse.cc:4459 #8 0x0000000000617299 in mysql_parse (thd=0x3aca0c0, rawbuf=0x3ad65a8 "OPTIMIZE TABLE `D`", length=18, parser_state=0x7f912632e550) at sql/sql_parse.cc:5736 #9 0x000000000060ab0f in dispatch_command (command=COM_QUERY, thd=0x3aca0c0, packet=0x3ad1b31 "", packet_length=18) at sql/sql_parse.cc:1055 #10 0x0000000000609dc6 in do_command (thd=0x3aca0c0) at sql/sql_parse.cc:794 #11 0x000000000070b6af in do_handle_one_connection (thd_arg=0x3aca0c0) at sql/sql_connect.cc:1253 #12 0x000000000070b09a in handle_one_connection (arg=0x3aca0c0) at sql/sql_connect.cc:1168 #13 0x00007f912fdb6efc in start_thread (arg=0x7f912632f700) at pthread_create.c:304 #14 0x00007f912f12959d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112 #15 0x0000000000000000 in ?? () Thread 6 (Thread 0x7f91262e6700 (LWP 6629)): #0 0x00007f912f12297d in fdatasync () at ../sysdeps/unix/syscall-template.S:82 #1 0x0000000000cb7bd2 in my_sync (fd=35, my_flags=16) at mysys/my_sync.c:87 #2 0x000000000099c5c6 in inline_mysql_file_sync (src_file=0xdf7910 "storage/maria/ma_extra.c", src_line=578, fd=35, flags=16) at include/mysql/psi/mysql_file.h:1423 #3 0x000000000099dc39 in _ma_sync_table_files (info=0x3b0dad0) at storage/maria/ma_extra.c:578 #4 0x00000000009e5fe1 in protect_against_repair_crash (info=0x3b0dad0, param=0x3b3b2d8, discard_index=0 '\000') at storage/maria/ma_check.c:2319 #5 0x00000000009e82bf in maria_sort_index (param=0x3b3b2d8, info=0x3b0dad0, name=0x7f91262e4270 "./test/E") at storage/maria/ma_check.c:3089 #6 0x0000000000955701 in ha_maria::repair (this=0x3b5cb08, thd=0x3b96490, param=0x3b3b2d8, do_optimize=true) at storage/maria/ha_maria.cc:1655 #7 0x0000000000954e56 in ha_maria::optimize (this=0x3b5cb08, thd=0x3b96490, check_opt=0x3b995d8) at storage/maria/ha_maria.cc:1532 #8 0x00000000007c7a07 in handler::ha_optimize (this=0x3b5cb08, thd=0x3b96490, check_opt=0x3b995d8) at sql/handler.cc:3520 #9 0x000000000071a4d2 in mysql_admin_table(THD *, TABLE_LIST *, HA_CHECK_OPT *, const char *, thr_lock_type, bool, bool, uint, int (*)(THD *, TABLE_LIST *, HA_CHECK_OPT *), struct {...}, int (*)(THD *, TABLE_LIST *)) (thd=0x3b96490, tables=0x3cac7a8, check_opt=0x3b995d8, operator_name=0xd4fe3a "optimize", lock_type=TL_WRITE, open_for_modify=false, repair_table_use_frm=false, extra_open_options=0, prepare_func=0, operator_func=(int (handler::*)(handler * const, THD *, HA_CHECK_OPT *)) 0x7c79c2 , view_operator_func=0) at sql/sql_admin.cc:643 #10 0x000000000071bd7b in Optimize_table_statement::execute (this=0x3cacd78, thd=0x3b96490) at sql/sql_admin.cc:1055 #11 0x00000000006140f6 in mysql_execute_command (thd=0x3b96490) at sql/sql_parse.cc:4459 #12 0x0000000000617299 in mysql_parse (thd=0x3b96490, rawbuf=0x3cac6c8 "OPTIMIZE TABLE `E`", length=18, parser_state=0x7f91262e5550) at sql/sql_parse.cc:5736 #13 0x000000000060ab0f in dispatch_command (command=COM_QUERY, thd=0x3b96490, packet=0x3ca8631 "", packet_length=18) at sql/sql_parse.cc:1055 #14 0x0000000000609dc6 in do_command (thd=0x3b96490) at sql/sql_parse.cc:794 #15 0x000000000070b6af in do_handle_one_connection (thd_arg=0x3b96490) at sql/sql_connect.cc:1253 #16 0x000000000070b09a in handle_one_connection (arg=0x3b96490) at sql/sql_connect.cc:1168 #17 0x00007f912fdb6efc in start_thread (arg=0x7f91262e6700) at pthread_create.c:304 #18 0x00007f912f12959d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112 #19 0x0000000000000000 in ?? () Thread 5 (Thread 0x7f91307f4740 (LWP 6608)): #0 0x00007f912f11d473 in __GI___poll (fds=, nfds=, timeout=) at ../sysdeps/unix/sysv/linux/poll.c:87 #1 0x0000000000563ffd in handle_connections_sockets () at sql/mysqld.cc:5506 #2 0x0000000000563338 in mysqld_main (argc=46, argv=0x38bea50) at sql/mysqld.cc:4959 #3 0x000000000055b6d4 in main (argc=46, argv=0x7fffe25021b8) at sql/main.cc:25 Thread 4 (Thread 0x7f912ee2f700 (LWP 6610)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:216 #1 0x0000000000cc2e60 in safe_cond_timedwait (cond=0x1d07920, mp=0x1d07860, abstime=0x7f912ee2ee00, file=0xdf70d0 "include/mysql/psi/mysql_thread.h", line=1012) at mysys/thr_mutex.c:547 #2 0x0000000000991089 in inline_mysql_cond_timedwait (that=0x1d07920, mutex=0x1d07860, abstime=0x7f912ee2ee00, src_file=0xdf7108 "storage/maria/ma_servicethread.c", src_line=119) at include/mysql/psi/mysql_thread.h:1012 #3 0x0000000000991593 in my_service_thread_sleep (control=0x1395b30, sleep_time=30000000000) at storage/maria/ma_servicethread.c:118 #4 0x000000000098525b in ma_checkpoint_background (arg=0x1e) at storage/maria/ma_checkpoint.c:705 #5 0x00007f912fdb6efc in start_thread (arg=0x7f912ee2f700) at pthread_create.c:304 #6 0x00007f912f12959d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112 #7 0x0000000000000000 in ?? () Thread 3 (Thread 0x7f91263c1700 (LWP 6611)): #0 do_sigwait (set=, sig=0x7f91263c0e98) at ../nptl/sysdeps/unix/sysv/linux/../../../../../sysdeps/unix/sysv/linux/sigwait.c:65 #1 0x00007f912fdbee29 in __sigwait (set=, sig=) at ../nptl/sysdeps/unix/sysv/linux/../../../../../sysdeps/unix/sysv/linux/sigwait.c:100 #2 0x00000000005601ff in signal_hand (arg=0x0) at sql/mysqld.cc:3011 #3 0x00007f912fdb6efc in start_thread (arg=0x7f91263c1700) at pthread_create.c:304 #4 0x00007f912f12959d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112 #5 0x0000000000000000 in ?? () Thread 2 (Thread 0x7f9126378700 (LWP 6613)): #0 0x00007f912fdbe0dd in read () at ../sysdeps/unix/syscall-template.S:82 #1 0x0000000000d0091b in vio_read (vio=0x3ac5e80, buf=0x3ab1f70 "\a", size=4) at vio/viosocket.c:72 #2 0x000000000056a44d in my_real_read (net=0x39bb570, complen=0x7f9126377d58) at sql/net_serv.cc:840 #3 0x000000000056aabb in my_net_read (net=0x39bb570) at sql/net_serv.cc:1026 #4 0x0000000000609bf9 in do_command (thd=0x39bb260) at sql/sql_parse.cc:740 #5 0x000000000070b6af in do_handle_one_connection (thd_arg=0x39bb260) at sql/sql_connect.cc:1253 #6 0x000000000070b09a in handle_one_connection (arg=0x39bb260) at sql/sql_connect.cc:1168 #7 0x00007f912fdb6efc in start_thread (arg=0x7f9126378700) at pthread_create.c:304 #8 0x00007f912f12959d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112 #9 0x0000000000000000 in ?? () Thread 1 (Thread 0x7f912629d700 (LWP 6631)): #0 __pthread_kill (threadid=, signo=6) at ../nptl/sysdeps/unix/sysv/linux/pthread_kill.c:63 #1 0x0000000000cbaea4 in my_write_core (sig=6) at mysys/stacktrace.c:457 #2 0x00000000007c04fc in handle_fatal_signal (sig=6) at sql/signal_handler.cc:262 #3 #4 0x00007f912f07c3a5 in __GI_raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64 #5 0x00007f912f07fb0b in __GI_abort () at abort.c:92 #6 0x00007f912f074d4d in __GI___assert_fail (assertion=0xe7f086 "pins->pin[i] == 0", file=, line=220, function=) at assert.c:81 #7 0x0000000000cc6aff in _lf_pinbox_put_pins (pins=0x3af2280) at mysys/lf_alloc-pin.c:220 #8 0x000000000095b94d in lf_pinbox_put_pins (pins=0x3af2280) at include/lf.h:173 #9 0x000000000095ca10 in trnman_end_trn (trn=0x3b1c860, commit=1 '\001') at storage/maria/trnman.c:515 #10 0x000000000098fb17 in ma_commit (trn=0x3b1c860) at storage/maria/ma_commit.c:72 #11 0x000000000095867b in ha_maria::implicit_commit (thd=0x3b6ed20, new_trn=false) at storage/maria/ha_maria.cc:2824 #12 0x0000000000614484 in mysql_execute_command (thd=0x3b6ed20) at sql/sql_parse.cc:4518 #13 0x0000000000617299 in mysql_parse (thd=0x3b6ed20, rawbuf=0x3b7a868 "DELETE FROM `B` WHERE `pk` >= 0 LIMIT 2", length=39, parser_state=0x7f912629c550) at sql/sql_parse.cc:5736 #14 0x000000000060ab0f in dispatch_command (command=COM_QUERY, thd=0x3b6ed20, packet=0x3b72751 "DELETE FROM `B` WHERE `pk` >= 0 LIMIT 2", packet_length=39) at sql/sql_parse.cc:1055 #15 0x0000000000609dc6 in do_command (thd=0x3b6ed20) at sql/sql_parse.cc:794 #16 0x000000000070b6af in do_handle_one_connection (thd_arg=0x3b6ed20) at sql/sql_connect.cc:1253 #17 0x000000000070b09a in handle_one_connection (arg=0x3b6ed20) at sql/sql_connect.cc:1168 #18 0x00007f912fdb6efc in start_thread (arg=0x7f912629d700) at pthread_create.c:304 #19 0x00007f912f12959d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112 #20 0x0000000000000000 in ?? ()