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  1. MariaDB Server
  2. MDEV-18874

Galera test MW-286 causes Mutex = TTASEventMutex<GenericPolicy>]: Assertion `!is_owned()' failed. assertion

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      2019-03-10  9:54:29 140525759887104 [Note] WSREP: Shifting SYNCED -> DONOR/DESYNCED (TO: 4)
      mysqld: /home/jan/mysql/10.2-galera/storage/innobase/include/sync0policy.ic:64: void MutexDebug<Mutex>::enter(const Mutex*, const char*, unsigned int) [with Mutex = TTASEventMutex<GenericPolicy>]: Assertion `!is_owned()' failed.
      190310  9:54:29 [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: 10.2.23-MariaDB-debug-log
      key_buffer_size=1048576
      read_buffer_size=131072
      max_used_connections=1
      max_threads=153
      thread_count=9
      It is possible that mysqld could use up to 
      key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 63104 K  bytes of memory
      Hope that's ok; if not, decrease some variables in the equation.
       
      Thread pointer: 0x7fcea8000d60
      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 = 0x7fcec8267a40 thread_stack 0x49000
      /home/jan/mysql/10.2-galera/sql/mysqld(my_print_stacktrace+0x38)[0x55d3c8cd2c84]
      /home/jan/mysql/10.2-galera/sql/mysqld(handle_fatal_signal+0x3dc)[0x55d3c85883eb]
      /lib/x86_64-linux-gnu/libpthread.so.0(+0x12730)[0x7fcecec40730]
      /lib/x86_64-linux-gnu/libc.so.6(gsignal+0x10b)[0x7fcecdaa88bb]
      /lib/x86_64-linux-gnu/libc.so.6(abort+0x121)[0x7fcecda93535]
      linux/raise.c:51(__GI_raise)[0x7fcecda9340f]
      stdlib/abort.c:81(__GI_abort)[0x7fcecdaa10f2]
      /home/jan/mysql/10.2-galera/sql/mysqld(+0xa5e4f2)[0x55d3c87b74f2]
      /home/jan/mysql/10.2-galera/sql/mysqld(+0xa5d460)[0x55d3c87b6460]
      include/sync0policy.ic:66(MutexDebug<TTASEventMutex<GenericPolicy> >::enter(TTASEventMutex<GenericPolicy> const*, char const*, unsigned int))[0x55d3c87b494d]
      include/sync0policy.h:347(GenericPolicy<TTASEventMutex<GenericPolicy> >::enter(TTASEventMutex<GenericPolicy> const&, char const*, unsigned int))[0x55d3c88181e4]
      include/ib0mutex.h:637(PolicyMutex<TTASEventMutex<GenericPolicy> >::enter(unsigned int, unsigned int, char const*, unsigned int))[0x55d3c878d880]
      lock/lock0lock.cc:6957(lock_trx_handle_wait(trx_t*))[0x55d3c858ae55]
      handler/ha_innodb.cc:5288(innobase_kill_query(handlerton*, THD*, thd_kill_levels))[0x55d3c832efcc]
      sql/handler.cc:810(kill_handlerton(THD*, st_plugin_int**, void*))[0x55d3c858aeaf]
      sql/sql_plugin.cc:2396(plugin_foreach_with_mask(THD*, char (*)(THD*, st_plugin_int**, void*), int, unsigned int, void*))[0x55d3c82c9fb8]
      sql/handler.cc:817(ha_kill_query(THD*, thd_kill_levels))[0x55d3c84edac1]
      sql/sql_class.cc:1720(THD::awake(killed_state))[0x55d3c87aa055]
      sql/wsrep_mysqld.cc:2648(wsrep_thd_awake)[0x55d3c87aa698]
      handler/ha_innodb.cc:19634(wsrep_innobase_kill_one_trx(void*, trx_t const*, trx_t*, unsigned long))[0x55d3c85988bf]
      handler/ha_innodb.cc:19708(wsrep_abort_transaction(handlerton*, THD*, THD*, char))[0x55d3c84ff339]
      sql/handler.cc:6252(ha_abort_transaction(THD*, THD*, char))[0x55d3c84eba9e]
      sql/wsrep_thd.cc:656(wsrep_abort_thd(void*, void*, char))[0x55d3c8469579]
      sql/wsrep_mysqld.cc:2009(wsrep_grant_mdl_exception(MDL_context*, MDL_ticket*, MDL_key const*))[0x55d3c8469e96]
      sql/mdl.cc:1592(MDL_lock::can_grant_lock(enum_mdl_type, MDL_context*, bool) const)[0x55d3c846a216]
      sql/mdl.cc:1923(MDL_context::try_acquire_lock_impl(MDL_request*, MDL_ticket**))[0x55d3c82a09ec]
      sql/mdl.cc:2067(MDL_context::acquire_lock(MDL_request*, double))[0x55d3c82a1373]
      sql/sql_base.cc:1453(open_table_get_mdl_lock(THD*, Open_table_context*, MDL_request*, unsigned int, MDL_ticket**))[0x55d3c82a45e0]
      sql/sql_base.cc:1752(open_table(THD*, TABLE_LIST*, Open_table_context*))[0x55d3c82a579e]
      sql/sql_base.cc:3488(open_and_process_table(THD*, LEX*, TABLE_LIST*, unsigned int*, unsigned int, Prelocking_strategy*, bool, Open_table_context*))[0x55d3c82a6f51]
      sql/sql_base.cc:4009(open_tables(THD*, DDL_options_st const&, TABLE_LIST**, unsigned int*, unsigned int, Prelocking_strategy*))[0x55d3c8299f07]
      sql/sql_base.cc:4767(open_and_lock_tables(THD*, DDL_options_st const&, TABLE_LIST*, bool, unsigned int, Prelocking_strategy*))[0x55d3c86b608e]
      /home/jan/mysql/10.2-galera/sql/mysqld(_ZN9Log_event11apply_eventEP14rpl_group_info+0x59)[0x55d3c82716b9]
      /home/jan/mysql/10.2-galera/sql/mysqld(+0x7a2b88)[0x55d3c84fbb88]
      sql/sql_base.h:504(open_and_lock_tables(THD*, TABLE_LIST*, bool, unsigned int))[0x55d3c84fc35b]
      /usr/lib/libgalera_smm.so(_ZNK6galera9TrxHandle5applyEPvPF15wsrep_cb_statusS1_PKvmjPK14wsrep_trx_metaERS6_+0xb8)[0x7fcec8d8d4a8]
      /usr/lib/libgalera_smm.so(+0x21880e)[0x7fcec8dce80e]
      src/trx_handle.cpp:316(galera::TrxHandle::apply(void*, wsrep_cb_status (*)(void*, void const*, unsigned long, unsigned int, wsrep_trx_meta const*), wsrep_trx_meta const&) const)[0x7fcec8dd0fb5]
      src/replicator_smm.cpp:92(apply_trx_ws(void*, wsrep_cb_status (*)(void*, void const*, unsigned long, unsigned int, wsrep_trx_meta const*), wsrep_cb_status (*)(void*, unsigned int, wsrep_trx_meta const*, bool*, bool), galera::TrxHandle const&, wsrep_trx_meta const&))[0x7fcec8dd40c6]
      src/replicator_smm.cpp:450(galera::ReplicatorSMM::apply_trx(void*, galera::TrxHandle*))[0x7fcec8db1878]
      src/replicator_smm.cpp:1250(galera::ReplicatorSMM::process_trx(void*, galera::TrxHandle*))[0x7fcec8db2408]
      src/gcs_action_source.cpp:117(galera::GcsActionSource::dispatch(void*, gcs_action const&, bool&))[0x7fcec8dd467d]
      src/gcs_action_source.cpp:28(galera::GcsActionSource::process(void*, bool&))[0x7fcec8de73f8]
      /home/jan/mysql/10.2-galera/sql/mysqld(+0x7a516c)[0x55d3c84fe16c]
      /home/jan/mysql/10.2-galera/sql/mysqld(start_wsrep_THD+0x4db)[0x55d3c84ebfcd]
      nptl/pthread_create.c:487(start_thread)[0x7fcecec35fa3]
      /lib/x86_64-linux-gnu/libc.so.6(clone+0x3f)[0x7fcecdb6a82f]
       
      Trying to get some variables.
      Some pointers may be invalid and cause the dump to abort.
      Query (0x7fcebc0c313b): INSERT INTO t1 (f1) SELECT 000000 + (10000 * a1.f1) + (1000 * a2.f1) + (100 * a3.f1) + (10 * a4.f1) + a5.f1 FROM ten AS a1, ten AS a2, ten AS a3, ten AS a4, ten AS a5
      Connection ID (thread ID): 2
      Status: NOT_KILLED
      

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              jplindst Jan Lindström (Inactive)
              jplindst Jan Lindström (Inactive)
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