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  1. MariaDB Server
  2. MDEV-9853

WSREP says it cannot get fake InnoDB transaction ID followed by segmentation fault

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    Description

      A user saw MariaDB crash with the following error message and stack trace:

      2016-03-31 21:59:16 140234293163776 [Warning] WSREP: cannot get fake InnoDB transaction ID
      		 
      160331 21:59:16 [ERROR] mysqld got signal 11 ;
      		 
      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 http://kb.askmonty.org/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: 10.1.10-MariaDB-enterprise-log
      		 
      key_buffer_size=67108864
      		 
      read_buffer_size=131072
      		 
      max_used_connections=7
      		 
      max_threads=1002
      		 
      thread_count=9
      		 
      It is possible that mysqld could use up to 
      key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 2266338 K  bytes of memory
      		 
      Hope that's ok; if not, decrease some variables in the equation.
      		 
       
      		 
      Thread pointer: 0x0x7f8ae23f8008
      		 
      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 = 0x7f8ad73aad40 thread_stack 0x48000
      		 
      mysys/stacktrace.c:247(my_print_stacktrace)[0x7f8ba073e8db]
      		 
      sql/signal_handler.cc:160(handle_fatal_signal)[0x7f8ba029f935]
      		 
      /lib64/libpthread.so.0(+0x3a2580f7e0)[0x7f8b9f8a97e0]
      		 
      sql/wsrep_hton.cc:73(wsrep_register_hton(THD*, bool))[0x7f8ba023c7d4]
      		 
      sql/transaction.cc:292(trans_commit_implicit(THD*))[0x7f8ba02021cd]
      		 
      sql/sql_insert.cc:4337(select_create::send_eof())[0x7f8ba0119a57]
      		 
      sql/sql_select.cc:17982(do_select)[0x7f8ba017189e]
      		 
      sql/sql_select.cc:3228(JOIN::exec_inner())[0x7f8ba0182440]
      		 
      sql/sql_select.cc:2519(JOIN::exec())[0x7f8ba01843bd]
      		 
      sql/sql_select.cc:3453(mysql_select(THD*, Item***, TABLE_LIST*, unsigned int, List<Item>&, Item*, unsigned int, st_order*, st_order*, Item*, st_order*, unsigned long long, select_result*, st_select_lex_unit*, st_select_lex*))[0x7f8ba0180d7a]
      		 
      sql/sql_select.cc:384(handle_select(THD*, LEX*, select_result*, unsigned long))[0x7f8ba018469d]
      		 
      sql/sql_parse.cc:3421(mysql_execute_command(THD*))[0x7f8ba0135edf]
      		 
      sql/sql_parse.cc:7302(mysql_parse)[0x7f8ba0136bcd]
      		 
      sql/sql_parse.cc:7126(wsrep_mysql_parse)[0x7f8ba0136ccc]
      		 
      sql/sql_parse.cc:1485(dispatch_command(enum_server_command, THD*, char*, unsigned int))[0x7f8ba0139053]
      		 
      sql/sql_parse.cc:1111(do_command(THD*))[0x7f8ba0139c1b]
      		 
      sql/sql_connect.cc:1349(do_handle_one_connection(THD*))[0x7f8ba01f4f9f]
      		 
      sql/sql_connect.cc:1263(handle_one_connection)[0x7f8ba01f50f7]
      		 
      /lib64/libpthread.so.0(+0x3a25807aa1)[0x7f8b9f8a1aa1]
      		 
      /lib64/libc.so.6(clone+0x6d)[0x7f8b9dd8793d]
      		 
       
      		 
      Trying to get some variables.
      		 
      Some pointers may be invalid and cause the dump to abort.
      		 
      Query (0x7f8b8bc8e020): is an invalid pointer
      		 
      Connection ID (thread ID): 21
      		 
      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=on,mrr_cost_based=on,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

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            jplindst Jan Lindström (Inactive) added a comment -

            HI, does customer run transaction that contains statements to other storage engines than InnoDB? Error log about WSREP: cannot get fake InnoDB transaction ID, most likely is not correct, it can be correct if and only if server is compiled WITH_WSREP=0

            I will fix that error message so that it will print correct handlerton name if the handler does not implement fake_trx_id function.

            jplindst Jan Lindström (Inactive) added a comment - HI, does customer run transaction that contains statements to other storage engines than InnoDB? Error log about WSREP: cannot get fake InnoDB transaction ID, most likely is not correct, it can be correct if and only if server is compiled WITH_WSREP=0 I will fix that error message so that it will print correct handlerton name if the handler does not implement fake_trx_id function.
            jplindst Jan Lindström (Inactive) added a comment -

            mtr test case:

            --source include/galera_cluster.inc
            		 
            --source include/have_innodb.inc
            		 
             
            		 
             
            		 
            create table  PROCESS_ACTIVE_RELEASES(
            		 
                PROCESS_ID bigint not null,
            		 
                RELEASE_ID bigint not null,
            		 
                primary key (PROCESS_ID, RELEASE_ID)
            		 
              ) engine=InnoDB;
            		 
             
            		 
            insert into PROCESS_ACTIVE_RELEASES values (1,1),(2,2),(3,3);
            		 
            insert into PROCESS_ACTIVE_RELEASES select PROCESS_ID+10,RELEASE_ID from
            		 
             PROCESS_ACTIVE_RELEASES;
            		 
            insert into PROCESS_ACTIVE_RELEASES select PROCESS_ID+20,RELEASE_ID from
            		 
             PROCESS_ACTIVE_RELEASES;
            		 
             insert into PROCESS_ACTIVE_RELEASES select PROCESS_ID+50,RELEASE_ID from
            		 
             PROCESS_ACTIVE_RELEASES;
            		 
             
            		 
            SET autocommit=0;
            		 
            create table PROCESS_RELEVANT_RELEASES (
            		 
                PROCESS_ID bigint not null,
            		 
                RELEASE_ID bigint not null,
            		 
                primary key (PROCESS_ID, RELEASE_ID)
            		 
              ) engine=InnoDB
            		 
            select * from PROCESS_ACTIVE_RELEASES;
            		 
            commit;
            		 
             
            		 
            SET autocommit=1;
            		 
            drop table PROCESS_RELEVANT_RELEASES, PROCESS_ACTIVE_RELEASES;

            jplindst Jan Lindström (Inactive) added a comment - mtr test case: --source include/galera_cluster.inc --source include/have_innodb.inc     create table PROCESS_ACTIVE_RELEASES( PROCESS_ID bigint not null, RELEASE_ID bigint not null, primary key (PROCESS_ID, RELEASE_ID) ) engine=InnoDB;   insert into PROCESS_ACTIVE_RELEASES values (1,1),(2,2),(3,3); insert into PROCESS_ACTIVE_RELEASES select PROCESS_ID+10,RELEASE_ID from PROCESS_ACTIVE_RELEASES; insert into PROCESS_ACTIVE_RELEASES select PROCESS_ID+20,RELEASE_ID from PROCESS_ACTIVE_RELEASES; insert into PROCESS_ACTIVE_RELEASES select PROCESS_ID+50,RELEASE_ID from PROCESS_ACTIVE_RELEASES;   SET autocommit=0; create table PROCESS_RELEVANT_RELEASES ( PROCESS_ID bigint not null, RELEASE_ID bigint not null, primary key (PROCESS_ID, RELEASE_ID) ) engine=InnoDB select * from PROCESS_ACTIVE_RELEASES; commit;   SET autocommit=1; drop table PROCESS_RELEVANT_RELEASES, PROCESS_ACTIVE_RELEASES;
            nirbhay_c Nirbhay Choubey (Inactive) added a comment - - edited

            jplindst Could you please review this patch : http://lists.askmonty.org/pipermail/commits/2016-April/009236.html ?

            nirbhay_c Nirbhay Choubey (Inactive) added a comment - - edited jplindst Could you please review this patch : http://lists.askmonty.org/pipermail/commits/2016-April/009236.html ?
            jplindst Jan Lindström (Inactive) added a comment -

            ok to push.

            jplindst Jan Lindström (Inactive) added a comment - ok to push.

            People

              nirbhay_c Nirbhay Choubey (Inactive)
              GeoffMontee Geoff Montee (Inactive)
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