Script started on Wed 02 Oct 2013 02:56:28 PM EST 14:56:28# ggo /usr/libexec/mysqld -a "--basedir=/usr --datadir=/var/lib/mysql --plugin-dir=/usr/lib/mysql/plugin --user=mysql --skip-networking --log-error=/var/lib/mysql/dwarfstar.err --pid-file=/var/run/mysql/mysql.pid" b\ /tmp/mysql-5.6.14/storage/perfschema/pfs_instr.cc:899 c spawn gdb -n GNU gdb (GDB) 7.5 Copyright (C) 2012 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "i486-slackware-linux". For bug reporting instructions, please see: . (gdb) file /usr/libexec/mysqld Reading symbols from /usr/libexec/mysqld...done. (gdb) set print null-stop (gdb) set print sevenbit-strings (gdb) set print elements 0 (gdb) set height 0 (gdb) set print pretty (gdb) set confirm off (gdb) set unwindonsignal on (gdb) b main Breakpoint 1 at 0x820aad1: file /tmp/mysql-5.6.14/sql/main.cc, line 25. (gdb) run --basedir=/usr --datadir=/var/lib/mysql --plugin-dir=/usr/lib/mysql/plugin --user=mysql --skip-networking --log-error=/var/lib/mysql/dwarfstar.err --pid-file=/var/run/mysql/mysql.pid Starting program: /usr/libexec/mysqld --basedir=/usr --datadir=/var/lib/mysql --plugin-dir=/usr/lib/mysql/plugin --user=mysql --skip-networking --log-error=/var/lib/mysql/dwarfstar.err --pid-file=/var/run/mysql/mysql.pid warning: Could not load shared library symbols for linux-gate.so.1. Do you need "set solib-search-path" or "set sysroot"? [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/libthread_db.so.1". Breakpoint 1, main (argc=8, argv=0xbfffeca4) at /tmp/mysql-5.6.14/sql/main.cc:25 25 return mysqld_main(argc, argv); (gdb) b /tmp/mysql-5.6.14/storage/perfschema/pfs_instr.cc:899 Breakpoint 2 at 0x8629b1f: file /tmp/mysql-5.6.14/storage/perfschema/pfs_instr.cc, line 899. (gdb) c Continuing. [New Thread 0xb7a69b40 (LWP 4386)] [Thread 0xb7a69b40 (LWP 4386) exited] Breakpoint 2, create_thread (klass=0x8e07980, identity=0x0, processlist_id=0) at /tmp/mysql-5.6.14/storage/perfschema/pfs_instr.cc:899 899 PFS_atomic::add_u64(&thread_internal_id_counter, 1); (gdb) list 894 if (pfs->m_lock.is_free()) 895 { 896 if (pfs->m_lock.free_to_dirty()) 897 { 898 pfs->m_thread_internal_id= 899 PFS_atomic::add_u64(&thread_internal_id_counter, 1); 900 pfs->m_parent_thread_internal_id= 0; 901 pfs->m_processlist_id= processlist_id; 902 pfs->m_event_id= 1; 903 pfs->m_stmt_lock.set_allocated(); (gdb) p pfs $1 = (PFS_thread *) 0xa3f07040 (gdb) p *pfs $2 = { = { m_instr_class_waits_stats = 0xa3a01040, m_instr_class_stages_stats = 0xa3829040, m_instr_class_statements_stats = 0xa1fa7040 }, members of PFS_thread: m_enabled = false, m_events_waits_current = 0x0, m_event_id = 0, m_lock = { m_version_state = 1 }, m_filename_hash_pins = 0x0, m_table_share_hash_pins = 0x0, m_setup_actor_hash_pins = 0x0, m_setup_object_hash_pins = 0x0, m_host_hash_pins = 0x0, m_user_hash_pins = 0x0, m_account_hash_pins = 0x0, m_digest_hash_pins = 0x0, m_thread_internal_id = 0, m_parent_thread_internal_id = 0, m_processlist_id = 0, m_class = 0x0, m_events_waits_stack = {{ = { m_thread_internal_id = 0, m_event_id = 0, m_end_event_id = 0, m_event_type = 0, m_nesting_event_id = 0, m_nesting_event_type = 0, m_class = 0x0, m_timer_start = 0, m_timer_end = 0, m_source_file = 0x0, m_source_line = 0 }, members of PFS_events_waits: m_wait_class = NO_WAIT_CLASS, m_thread = 0x0, m_object_type = (unknown: 0), m_weak_table_share = 0x0, m_weak_file = 0x0, m_weak_socket = 0x0, m_weak_version = 0, m_object_instance_addr = 0x0, m_operation = 0, m_number_of_bytes = 0, m_index = 0, m_flags = 0 }, { = { m_thread_internal_id = 0, m_event_id = 0, m_end_event_id = 0, m_event_type = 0, m_nesting_event_id = 0, m_nesting_event_type = 0, m_class = 0x0, m_timer_start = 0, m_timer_end = 0, m_source_file = 0x0, m_source_line = 0 }, members of PFS_events_waits: m_wait_class = NO_WAIT_CLASS, m_thread = 0x0, m_object_type = (unknown: 0), m_weak_table_share = 0x0, m_weak_file = 0x0, m_weak_socket = 0x0, m_weak_version = 0, m_object_instance_addr = 0x0, m_operation = 0, m_number_of_bytes = 0, m_index = 0, m_flags = 0 }, { = { m_thread_internal_id = 0, m_event_id = 0, m_end_event_id = 0, m_event_type = 0, m_nesting_event_id = 0, m_nesting_event_type = 0, m_class = 0x0, m_timer_start = 0, m_timer_end = 0, m_source_file = 0x0, m_source_line = 0 }, members of PFS_events_waits: m_wait_class = NO_WAIT_CLASS, m_thread = 0x0, m_object_type = (unknown: 0), m_weak_table_share = 0x0, m_weak_file = 0x0, m_weak_socket = 0x0, m_weak_version = 0, m_object_instance_addr = 0x0, m_operation = 0, m_number_of_bytes = 0, m_index = 0, m_flags = 0 }, { = { m_thread_internal_id = 0, m_event_id = 0, m_end_event_id = 0, m_event_type = 0, m_nesting_event_id = 0, m_nesting_event_type = 0, m_class = 0x0, m_timer_start = 0, m_timer_end = 0, m_source_file = 0x0, m_source_line = 0 }, members of PFS_events_waits: m_wait_class = NO_WAIT_CLASS, m_thread = 0x0, m_object_type = (unknown: 0), m_weak_table_share = 0x0, m_weak_file = 0x0, m_weak_socket = 0x0, m_weak_version = 0, m_object_instance_addr = 0x0, m_operation = 0, m_number_of_bytes = 0, m_index = 0, m_flags = 0 }, { = { m_thread_internal_id = 0, m_event_id = 0, m_end_event_id = 0, m_event_type = 0, m_nesting_event_id = 0, m_nesting_event_type = 0, m_class = 0x0, m_timer_start = 0, m_timer_end = 0, m_source_file = 0x0, m_source_line = 0 }, members of PFS_events_waits: m_wait_class = NO_WAIT_CLASS, m_thread = 0x0, m_object_type = (unknown: 0), m_weak_table_share = 0x0, m_weak_file = 0x0, m_weak_socket = 0x0, m_weak_version = 0, m_object_instance_addr = 0x0, m_operation = 0, m_number_of_bytes = 0, m_index = 0, m_flags = 0 }, { = { m_thread_internal_id = 0, m_event_id = 0, m_end_event_id = 0, m_event_type = 0, m_nesting_event_id = 0, m_nesting_event_type = 0, m_class = 0x0, m_timer_start = 0, m_timer_end = 0, m_source_file = 0x0, m_source_line = 0 }, members of PFS_events_waits: m_wait_class = NO_WAIT_CLASS, m_thread = 0x0, m_object_type = (unknown: 0), m_weak_table_share = 0x0, m_weak_file = 0x0, m_weak_socket = 0x0, m_weak_version = 0, m_object_instance_addr = 0x0, m_operation = 0, m_number_of_bytes = 0, m_index = 0, m_flags = 0 }}, m_waits_history_full = false, m_waits_history_index = 0, m_waits_history = 0xa3e95040, m_stages_history_full = false, m_stages_history_index = 0, m_stages_history = 0xb7227040, m_statements_history_full = false, m_statements_history_index = 0, m_statements_history = 0xa2ca8040, m_session_lock = { m_version_state = 0 }, m_username = "", m_username_length = 0, m_hostname = "", m_hostname_length = 0, m_dbname = "", m_dbname_length = 0, m_command = 0, m_start_time = 0, m_stmt_lock = { m_version_state = 0 }, m_stage = 0, m_processlist_info = "", m_processlist_info_length = 0, m_stage_current = { = { m_thread_internal_id = 0, m_event_id = 0, m_end_event_id = 0, m_event_type = 0, m_nesting_event_id = 0, m_nesting_event_type = 0, m_class = 0x0, m_timer_start = 0, m_timer_end = 0, m_source_file = 0x0, m_source_line = 0 }, }, m_events_statements_count = 0, m_statement_stack = 0xa2b81040, m_host = 0x0, m_user = 0x0, m_account = 0x0, m_session_connect_attrs = 0xa1f74040 "", m_session_connect_attrs_length = 0, m_session_connect_attrs_cs = 0x0 } (gdb) n 900 pfs->m_parent_thread_internal_id= 0; (gdb) disa 2 (gdb) c Continuing. 2013-10-02 14:58:58 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details). [New Thread 0xb7a69b40 (LWP 4388)] [New Thread 0x94ee6b40 (LWP 4389)] [New Thread 0x946e6b40 (LWP 4390)] [New Thread 0x93ee6b40 (LWP 4391)] [New Thread 0x936e6b40 (LWP 4392)] [New Thread 0x92ee6b40 (LWP 4393)] [New Thread 0x926e6b40 (LWP 4394)] [New Thread 0x91ee6b40 (LWP 4395)] [New Thread 0x916e6b40 (LWP 4396)] [New Thread 0x90ee6b40 (LWP 4397)] [New Thread 0x90148b40 (LWP 4398)] [Thread 0x90148b40 (LWP 4398) exited] [New Thread 0x90148b40 (LWP 4399)] [New Thread 0x8f948b40 (LWP 4400)] [New Thread 0x8f148b40 (LWP 4401)] [New Thread 0x8e948b40 (LWP 4402)] [New Thread 0x8e148b40 (LWP 4403)] [New Thread 0x8d948b40 (LWP 4404)] [New Thread 0x8d148b40 (LWP 4405)] [New Thread 0x8c948b40 (LWP 4406)] [New Thread 0x8c148b40 (LWP 4407)] [New Thread 0x906e6b40 (LWP 4408)] [New Thread 0x906b5b40 (LWP 4420)] [New Thread 0x90684b40 (LWP 4444)] [New Thread 0x90653b40 (LWP 4467)] Program received signal SIGUSR1, User defined signal 1. 0xb7b4885a in poll () from /lib/libc.so.6 (gdb) signal SIGUSR1 Continuing with signal SIGUSR1. [Thread 0x90684b40 (LWP 4444) exited] Program received signal SIGUSR1, User defined signal 1. 0xb7b4885a in poll () from /lib/libc.so.6 (gdb) signal SIGUSR1 Continuing with signal SIGUSR1. Program received signal SIGUSR1, User defined signal 1. 0xb7b4885a in poll () from /lib/libc.so.6 (gdb) signal SIGUSR1 Continuing with signal SIGUSR1. Program received signal SIGUSR1, User defined signal 1. 0xb7b4885a in poll () from /lib/libc.so.6 (gdb) signal SIGUSR1 Continuing with signal SIGUSR1. [Thread 0x906b5b40 (LWP 4420) exited] [Thread 0x8c148b40 (LWP 4407) exited] [Thread 0x8d148b40 (LWP 4405) exited] [Thread 0x90148b40 (LWP 4399) exited] [Thread 0x8f948b40 (LWP 4400) exited] [Thread 0x8c948b40 (LWP 4406) exited] [Thread 0x8f148b40 (LWP 4401) exited] [Thread 0x8e148b40 (LWP 4403) exited] [Thread 0x8d948b40 (LWP 4404) exited] [Thread 0x8e948b40 (LWP 4402) exited] [Thread 0x90ee6b40 (LWP 4397) exited] [Thread 0x926e6b40 (LWP 4394) exited] [Thread 0x916e6b40 (LWP 4396) exited] [Thread 0x91ee6b40 (LWP 4395) exited] [Thread 0x92ee6b40 (LWP 4393) exited] [Thread 0x936e6b40 (LWP 4392) exited] [Thread 0x93ee6b40 (LWP 4391) exited] [Thread 0xb7a69b40 (LWP 4388) exited] [Thread 0x946e6b40 (LWP 4390) exited] [Thread 0x94ee6b40 (LWP 4389) exited] [Thread 0x90653b40 (LWP 4467) exited] [Thread 0xb7a6b700 (LWP 4382) exited] [Inferior 1 (process 4382) exited normally] (gdb) q 15:05:11# exit exit Script done on Wed 02 Oct 2013 03:05:30 PM EST