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  1. MariaDB Server
  2. MDEV-24469

Assertion `active() == false' failed with "XA START.."

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      Description

      Although MariaDB Galera Cluster does not support XA transactions but it still shouldn't crash server.

      1. create a new db and a table
      2. input a value
      3. XA START 'test';

      here where it crashed I received in the log

      mariadbd: /home/jenkins/workspace/MariaDBE-Custom-bintar/label/rhel-7/wsrep-lib/src/transaction.cpp:123: int wsrep::transaction::start_transaction(const wsrep::transaction_id&): Assertion `active() == false' failed.
      201208 13:46:06 [ERROR] mysqld got signal 6 ;
      This could be because you hit a bug. It is also possible that this binary
      or one of the libraries it was linked against is corrupt, improperly built,
      or misconfigured. This error can also be caused by malfunctioning hardware.
       
      To report this bug, see https://mariadb.com/kb/en/reporting-bugs
       
      We will try our best to scrape up some info that will hopefully help
      diagnose the problem, but since we have already crashed, 
      something is definitely wrong and this may fail.
       
      Server version: 10.4.15-9-MariaDB-enterprise-log
      key_buffer_size=134217728
      read_buffer_size=131072
      max_used_connections=6
      max_threads=1002
      thread_count=15
      It is possible that mysqld could use up to 
      key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 2336198 K  bytes of memory
      Hope that's ok; if not, decrease some variables in the equation.
       
      Thread pointer: 0x7f2a980008c8
      Attempting backtrace. You can use the following information to find out
      where mysqld died. If you see no messages after this, something went
      terribly wrong...
      stack_bottom = 0x7f2a0c3accc0 thread_stack 0x49000
      /MARIADB/MIN10020/bin/mariadb/bin/mariadbd(my_print_stacktrace+0x2e)[0x55ec5d1cc0be]
      /MARIADB/MIN10020/bin/mariadb/bin/mariadbd(handle_fatal_signal+0x30f)[0x55ec5cc4ca1f]
      sigaction.c:0(__restore_rt)[0x7f2d85aaa630]
      :0(__GI_raise)[0x7f2d83d27387]
      :0(__GI_abort)[0x7f2d83d28a78]
      :0(__assert_fail_base)[0x7f2d83d201a6]
      :0(__GI___assert_fail)[0x7f2d83d20252]
      /MARIADB/MIN10020/bin/mariadb/bin/mariadbd(+0xeedd5e)[0x55ec5d26dd5e]
      /MARIADB/MIN10020/bin/mariadb/bin/mariadbd(_Z11trans_beginP3THDj+0x2eb)[0x55ec5cb3a56b]
      src/transaction.cpp:123(wsrep::transaction::start_transaction(wsrep::transaction_id const&))[0x55ec5cbce18e]
      wsrep/client_state.hpp:290(wsrep::client_state::start_transaction(wsrep::transaction_id const&))[0x55ec5ca3e5c5]
      sql/xa.cc:440(trans_xa_start(THD*))[0x55ec5ca44ddd]
      sql/sql_parse.cc:5970(mysql_execute_command(THD*))[0x55ec5c92ec6c]
      sql/sql_parse.cc:7926(mysql_parse(THD*, char*, unsigned int, Parser_state*, bool, bool))[0x55ec5ca48757]
      sql/sql_parse.cc:1353(do_command(THD*))[0x55ec5ca48c19]
      sql/sql_connect.cc:1412(do_handle_one_connection(CONNECT*))[0x55ec5cb2b9fa]
      sql/sql_connect.cc:1318(handle_one_connection)[0x55ec5cb2badd]
      perfschema/pfs.cc:1872(pfs_spawn_thread)[0x55ec5d17d81d]
      pthread_create.c:0(start_thread)[0x7f2d85aa2ea5]
      /lib64/libc.so.6(clone+0x6d)[0x7f2d83def8dd]
       
      Trying to get some variables.
      Some pointers may be invalid and cause the dump to abort.
      Query (0x7f2a9802c050): XA START 'test'
      Connection ID (thread ID): 205
      Status: NOT_KILLED
       
      Optimizer switch: index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on,condition_pushdown_from_having=on
       
      The manual page at https://mariadb.com/kb/en/how-to-produce-a-full-stack-trace-for-mysqld/ contains
      information that should help you find out what is causing the crash.
      Writing a core file...
      Working directory at /MARIADB/MIN10020/data
      Resource Limits:
      Limit                     Soft Limit           Hard Limit           Units     
      Max cpu time              unlimited            unlimited            seconds   
      Max file size             unlimited            unlimited            bytes     
      Max data size             unlimited            unlimited            bytes     
      Max stack size            8388608              unlimited            bytes     
      Max core file size        0                    unlimited            bytes     
      Max resident set          unlimited            unlimited            bytes     
      Max processes             15711                15711                processes 
      Max open files            1048576              1048576              files     
      Max locked memory         65536                65536                bytes     
      Max address space         unlimited            unlimited            bytes     
      Max file locks            unlimited            unlimited            locks     
      Max pending signals       15711                15711                signals   
      Max msgqueue size         819200               819200               bytes     
      Max nice priority         0                    0                    
      Max realtime priority     0                    0                    
      Max realtime timeout      unlimited            unlimited            us        
      Core pattern: core
      

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            Assignee:
            jplindst Jan Lindström
            Reporter:
            muhammad.irfan Muhammad Irfan
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              Created:
              Updated:
              Resolved: