Backtrace of crash on mysql-azalea ---------------------------------- #0 0x00007f5ac4a64ce6 in pthread_kill () from /lib64/libpthread.so.0 #0 0x00007f5ac4a64ce6 in pthread_kill () from /lib64/libpthread.so.0 #1 0x0000000000b54410 in my_write_core (sig=11) at stacktrace.c:309 #2 0x00000000006ecf81 in handle_segfault (sig=11) at mysqld.cc:2718 #3 #4 0x000000000074bf87 in fill_record (thd=0x16c9b48, ptr=0x1641920, values=@0x152f718, ignore_errors=true) at sql_base.cc:7475 #5 0x00000000008c9117 in select_union::send_data (this=0x16cd080, values=@0x152f718) at sql_union.cc:60 #6 0x000000000089d470 in analyse::end_of_records (this=0x152f680) at sql_analyse.cc:755 #7 0x000000000076f455 in end_send (join=0x16a32d0, join_tab=0x0, end_of_records=true) at sql_select.cc:17301 #8 0x0000000000788761 in do_select (join=0x16a32d0, fields=0x1606418, table=0x0, procedure=0x152f680) at sql_select.cc:15797 #9 0x00000000007a2fc8 in JOIN::exec (this=0x16a32d0) at sql_select.cc:2900 #10 0x000000000079d99c in mysql_select (thd=0x16c9b48, rref_pointer_array=0x16064f8, tables=0x1606b80, wild_num=0, fields=@0x1606418, conds=0x0, og_num=0, order=0x0, group=0x0, having=0x0, proc_param=0x0, select_options=2416200192, result=0x16cd080, unit=0x16065e0, select_lex=0x1606310) at sql_select.cc:3091 #11 0x00000000008c966f in mysql_derived_filling (thd=0x16c9b48, lex=0x16cb418, orig_table_list=0x16ccb18) at sql_derived.cc:295 #12 0x00000000008c9410 in mysql_handle_derived (lex=0x16cb418, processor=0x8c94a1 ) at sql_derived.cc:56 #13 0x000000000075a95c in open_and_lock_tables_derived (thd=0x16c9b48, tables=0x16ccb18, derived=true, flags=0) at sql_base.cc:4242 #14 0x000000000070a382 in open_and_lock_tables (thd=0x16c9b48, tables=0x16ccb18) at ../../sql/mysql_priv.h:1519 #15 0x00000000006ffe49 in mysql_execute_command (thd=0x16c9b48) at sql_parse.cc:2636 #16 0x000000000070741e in mysql_parse (thd=0x16c9b48, inBuf=0x16054c0 "CREATE TEMPORARY TABLE my_table AS\nSELECT * FROM (SELECT * FROM `t1`) AS my_tab1 PROCEDURE ANALYSE(10, 2000)", length=108, found_semicolon=0x40d83f30) at sql_parse.cc:5942 #17 0x000000000070803c in dispatch_command (command=COM_QUERY, thd=0x16c9b48, packet=0x1601469 "CREATE TEMPORARY TABLE my_table AS\nSELECT * FROM (SELECT * FROM `t1`) AS my_tab1 PROCEDURE ANALYSE(10, 2000)", packet_length=108) at sql_parse.cc:1061 #18 0x000000000070951a in do_command (thd=0x16c9b48) at sql_parse.cc:743 #19 0x00000000006f6893 in handle_one_connection (arg=0x16c9b48) at sql_connect.cc:1158 #20 0x00007f5ac4a60040 in start_thread () from /lib64/libpthread.so.0 #21 0x00007f5ac3a0108d in clone () from /lib64/libc.so.6 #22 0x0000000000000000 in ?? () Thread 3 (process 9800): #0 0x00007f5ac4a67807 in do_sigwait () from /lib64/libpthread.so.0 #1 0x00007f5ac4a678ad in sigwait () from /lib64/libpthread.so.0 #2 0x00000000006ec035 in signal_hand (arg=0x0) at mysqld.cc:2920 #3 0x00007f5ac4a60040 in start_thread () from /lib64/libpthread.so.0 #4 0x00007f5ac3a0108d in clone () from /lib64/libc.so.6 #5 0x0000000000000000 in ?? () Thread 2 (process 9798): #0 0x00007f5ac39fa622 in select () from /lib64/libc.so.6 #1 0x00000000006ed88a in handle_connections_sockets () at mysqld.cc:5231 #2 0x00000000006f144a in main (argc=8, argv=0x7fffcd099e68) at mysqld.cc:4738 Thread 1 (process 9843): #0 0x00007f5ac4a64ce6 in pthread_kill () from /lib64/libpthread.so.0 #1 0x0000000000b54410 in my_write_core (sig=11) at stacktrace.c:309 #2 0x00000000006ecf81 in handle_segfault (sig=11) at mysqld.cc:2718 #3 #4 0x000000000074bf87 in fill_record (thd=0x16c9b48, ptr=0x1641920, values=@0x152f718, ignore_errors=true) at sql_base.cc:7475 #5 0x00000000008c9117 in select_union::send_data (this=0x16cd080, values=@0x152f718) at sql_union.cc:60 #6 0x000000000089d470 in analyse::end_of_records (this=0x152f680) at sql_analyse.cc:755 #7 0x000000000076f455 in end_send (join=0x16a32d0, join_tab=0x0, end_of_records=true) at sql_select.cc:17301 #8 0x0000000000788761 in do_select (join=0x16a32d0, fields=0x1606418, table=0x0, procedure=0x152f680) at sql_select.cc:15797 #9 0x00000000007a2fc8 in JOIN::exec (this=0x16a32d0) at sql_select.cc:2900 #10 0x000000000079d99c in mysql_select (thd=0x16c9b48, rref_pointer_array=0x16064f8, tables=0x1606b80, wild_num=0, fields=@0x1606418, conds=0x0, og_num=0, order=0x0, group=0x0, having=0x0, proc_param=0x0, select_options=2416200192, result=0x16cd080, unit=0x16065e0, select_lex=0x1606310) at sql_select.cc:3091 #11 0x00000000008c966f in mysql_derived_filling (thd=0x16c9b48, lex=0x16cb418, orig_table_list=0x16ccb18) at sql_derived.cc:295 #12 0x00000000008c9410 in mysql_handle_derived (lex=0x16cb418, processor=0x8c94a1 ) at sql_derived.cc:56 #13 0x000000000075a95c in open_and_lock_tables_derived (thd=0x16c9b48, tables=0x16ccb18, derived=true, flags=0) at sql_base.cc:4242 #14 0x000000000070a382 in open_and_lock_tables (thd=0x16c9b48, tables=0x16ccb18) at ../../sql/mysql_priv.h:1519 #15 0x00000000006ffe49 in mysql_execute_command (thd=0x16c9b48) at sql_parse.cc:2636 #16 0x000000000070741e in mysql_parse (thd=0x16c9b48, inBuf=0x16054c0 "CREATE TEMPORARY TABLE my_table AS\nSELECT * FROM (SELECT * FROM `t1`) AS my_tab1 PROCEDURE ANALYSE(10, 2000)", length=108, found_semicolon=0x40d83f30) at sql_parse.cc:5942 #17 0x000000000070803c in dispatch_command (command=COM_QUERY, thd=0x16c9b48, packet=0x1601469 "CREATE TEMPORARY TABLE my_table AS\nSELECT * FROM (SELECT * FROM `t1`) AS my_tab1 PROCEDURE ANALYSE(10, 2000)", packet_length=108) at sql_parse.cc:1061 #18 0x000000000070951a in do_command (thd=0x16c9b48) at sql_parse.cc:743 #19 0x00000000006f6893 in handle_one_connection (arg=0x16c9b48) at sql_connect.cc:1158 #20 0x00007f5ac4a60040 in start_thread () from /lib64/libpthread.so.0 #21 0x00007f5ac3a0108d in clone () from /lib64/libc.so.6 #22 0x0000000000000000 in ?? ()