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  1. MariaDB Server
  2. MDEV-27929

signal 11 error - segfault at 0 ip 000055d160f64c4f sp 00007fbb4d7f8430 error 4

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Details

    • Bug
    • Status: Closed (View Workflow)
    • Critical
    • Resolution: Incomplete
    • 10.5.13
    • N/A
    • Platform RedHat, Server
    • RHEL 7.9, 4 CPU, 24GB RAM, VMware ESXi 6.5

    Description

      We've received 8 instances of signal 11 crashes since October 2021, all detailed in the attachment. The DB has crashed each time and come back online. Unable to replicate on our test/dev database currently.

      Feb 22 09:53:13 <daemon.info> redcap-dbserver-prod-02 mariadbd: 220222 9:53:13 [ERROR] mysqld got signal 11 ;
      Feb 22 09:53:13 <daemon.info> redcap-dbserver-prod-02 mariadbd: Server version: 10.5.13-MariaDB
      Feb 22 09:53:13 <daemon.info> redcap-dbserver-prod-02 mariadbd: key_buffer_size=134217728
      Feb 22 09:53:13 <daemon.info> redcap-dbserver-prod-02 mariadbd: read_buffer_size=131072
      Feb 22 09:53:13 <daemon.info> redcap-dbserver-prod-02 mariadbd: max_used_connections=173
      Feb 22 09:53:13 <daemon.info> redcap-dbserver-prod-02 mariadbd: max_threads=302
      Feb 22 09:53:13 <daemon.info> redcap-dbserver-prod-02 mariadbd: thread_count=14
      Feb 22 09:53:13 <daemon.info> redcap-dbserver-prod-02 mariadbd: Thread pointer: 0x7fbafc0008d8
      Feb 22 09:53:13 <daemon.info> redcap-dbserver-prod-02 mariadbd: stack_bottom = 0x7fbb4d7f9c90 thread_stack 0x49000
      Feb 22 09:53:14 <daemon.info> redcap-dbserver-prod-02 mariadbd: ??:0(my_print_stacktrace)[0x55d161720d6e]
      Feb 22 09:53:14 <daemon.info> redcap-dbserver-prod-02 mariadbd: ??:0(handle_fatal_signal)[0x55d161123367]
      Feb 22 09:53:14 <daemon.info> redcap-dbserver-prod-02 mariadbd: sigaction.c:0(__restore_rt)[0x7fbe193aa630]
      Feb 22 09:53:14 <daemon.info> redcap-dbserver-prod-02 mariadbd: ??:0(st_join_table::save_explain_data(Explain_table_access*, unsigned long long, bool, st_join_table*))[0x55d160f64c4f]
      Feb 22 09:53:14 <daemon.info> redcap-dbserver-prod-02 mariadbd: ??:0(JOIN::save_explain_data_intern(Explain_query*, bool, bool, bool, char const*))[0x55d160f6678b]
      Feb 22 09:53:14 <daemon.info> redcap-dbserver-prod-02 mariadbd: ??:0(JOIN::save_explain_data(Explain_query*, bool, bool, bool, bool))[0x55d160f668f0]
      Feb 22 09:53:14 <daemon.info> redcap-dbserver-prod-02 mariadbd: ??:0(JOIN::build_explain())[0x55d160f66b4c]
      Feb 22 09:53:14 <daemon.info> redcap-dbserver-prod-02 mariadbd: ??:0(JOIN::optimize())[0x55d160f7c0b1]
      Feb 22 09:53:14 <daemon.info> redcap-dbserver-prod-02 mariadbd: ??:0(mysql_select(THD*, TABLE_LIST*, List<Item>&, Item*, unsigned int, st_order*, st_order*, Item*, st_order*, unsigned long long, select_result*, st_select_lex_unit*, st_select_lex*))[0x55d160f7c1c7]
      Feb 22 09:53:14 <daemon.info> redcap-dbserver-prod-02 mariadbd: ??:0(handle_select(THD*, LEX*, select_result*, unsigned long))[0x55d160f7ce34]
      Feb 22 09:53:14 <daemon.info> redcap-dbserver-prod-02 mariadbd: /usr/sbin/mariadbd(+0x63b749)[0x55d160ddb749]
      Feb 22 09:53:14 <daemon.info> redcap-dbserver-prod-02 mariadbd: ??:0(mysql_execute_command(THD*))[0x55d160f2087d]
      Feb 22 09:53:14 <daemon.info> redcap-dbserver-prod-02 mariadbd: ??:0(mysql_parse(THD*, char*, unsigned int, Parser_state*, bool, bool))[0x55d160f22d15]
      Feb 22 09:53:14 <daemon.info> redcap-dbserver-prod-02 mariadbd: ??:0(dispatch_command(enum_server_command, THD*, char*, unsigned int, bool, bool))[0x55d160f255e5]
      Feb 22 09:53:14 <daemon.info> redcap-dbserver-prod-02 mariadbd: ??:0(do_command(THD*))[0x55d160f26d7f]
      Feb 22 09:53:14 <daemon.info> redcap-dbserver-prod-02 mariadbd: ??:0(do_handle_one_connection(CONNECT*, bool))[0x55d161013662]
      Feb 22 09:53:14 <daemon.info> redcap-dbserver-prod-02 mariadbd: ??:0(handle_one_connection)[0x55d161013934]
      Feb 22 09:53:14 <daemon.info> redcap-dbserver-prod-02 mariadbd: ??:0(MyCTX_nopad::finish(unsigned char*, unsigned int*))[0x55d16137291d]
      Feb 22 09:53:14 <daemon.info> redcap-dbserver-prod-02 mariadbd: pthread_create.c:0(start_thread)[0x7fbe193a2ea5]
      Feb 22 09:53:14 <daemon.info> redcap-dbserver-prod-02 mariadbd: ??:0(__clone)[0x7fbe188bdb0d]

      Attachments

        1. variables.txt
          567 kB
        2. my.cnf.txt
          0.3 kB
        3. Messages - signal 11's.txt
          125 kB
        4. db_journal.txt
          174 kB

        Activity

          People

            Unassigned Unassigned
            aja56 Allan Ashby
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            Dates

              Created:
              Updated:
              Resolved:

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