Details
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Bug
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Status: Closed (View Workflow)
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Major
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Resolution: Duplicate
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10.1.14
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None
Description
A galera node crashed with a segmentation fault in `ha_abort_transaction()` calling a unknown pthread library function.
The backtrace looks similar to MDEV-9416 but the originating statement here was an `ALTER TABLE`, most likely the addition of another partition to a partitioned table.
The weird part is that the actual crash happens in libpthread, I don't see anything in ha_abort_transaction() calling any pthread functions. With the exception of the DBUG_ macros, but as this happened with a non-debug production binary these should not be compiled in, right?
160831 20:50:13 [ERROR] mysqld got signal 11 ;
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This could be because you hit a bug. It is also possible that this binary
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or one of the libraries it was linked against is corrupt, improperly built,
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or misconfigured. This error can also be caused by malfunctioning hardware.
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To report this bug, see https://mariadb.com/kb/en/reporting-bugs
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We will try our best to scrape up some info that will hopefully help
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diagnose the problem, but since we have already crashed,
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something is definitely wrong and this may fail.
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Server version: 10.1.14-MariaDB
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key_buffer_size=1073741824
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read_buffer_size=131072
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max_used_connections=401
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max_threads=1002
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thread_count=438
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It is possible that mysqld could use up to
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key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 3249432 K bytes of memory
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Hope that's ok; if not, decrease some variables in the equation.
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Thread pointer: 0x0x7f67b9412008
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Attempting backtrace. You can use the following information to find out
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where mysqld died. If you see no messages after this, something went
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terribly wrong...
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stack_bottom = 0x7f679b035d40 thread_stack 0x48400
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(my_addr_resolve failure: fork)
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/usr/sbin/mysqld(my_print_stacktrace+0x2b) [0x7f96ebc9797b]
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/usr/sbin/mysqld(handle_fatal_signal+0x475) [0x7f96eb7f6825]
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/lib64/libpthread.so.0(+0x3062a0f710) [0x7f96eadfc710]
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/usr/sbin/mysqld(ha_abort_transaction(THD*, THD*, char)+0xa7) [0x7f96eb800807]
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/usr/sbin/mysqld(wsrep_abort_thd(void*, void*, char)+0x154) [0x7f96eb7a7b54]
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/usr/sbin/mysqld(wsrep_grant_mdl_exception(MDL_context*, MDL_ticket*, MDL_key const*)+0x1c9) [0x7f96eb799669]
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/usr/sbin/mysqld(MDL_lock::can_grant_lock(enum_mdl_type, MDL_context*, bool) const+0x11f) [0x7f96eb752dbf]
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/usr/sbin/mysqld(MDL_context::try_acquire_lock_impl(MDL_request*, MDL_ticket**)+0xf5) [0x7f96eb753995]
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/usr/sbin/mysqld(MDL_context::acquire_lock(MDL_request*, double)+0x30) [0x7f96eb753e40]
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/usr/sbin/mysqld(MDL_context::upgrade_shared_lock(MDL_ticket*, enum_mdl_type, double)+0xb8) [0x7f96eb7547e8]
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/usr/sbin/mysqld(mysql_alter_table(THD*, char*, char*, HA_CREATE_INFO*, TABLE_LIST*, Alter_info*, unsigned int, st_order*, bool)+0x2081) [0x7f96eb70c7d1]
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/usr/sbin/mysqld(Sql_cmd_alter_table::execute(THD*)+0x5d7) [0x7f96eb74e817]
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/usr/sbin/mysqld(mysql_execute_command(THD*)+0x140f) [0x7f96eb684a4f]
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/usr/sbin/mysqld(mysql_parse(THD*, char*, unsigned int, Parser_state*)+0x28d) [0x7f96eb68c8fd]
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/usr/sbin/mysqld(Query_log_event::do_apply_event(rpl_group_info*, char const*, unsigned int)+0x1208) [0x7f96eb8bdea8]
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/usr/sbin/mysqld(wsrep_apply_cb(void*, void const*, unsigned long, unsigned int, wsrep_trx_meta const*)+0x36a) [0x7f96eb7a509a]
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/usr/lib64/galera/libgalera_smm.so(galera::TrxHandle::apply(void*, wsrep_cb_status (*)(void*, void const*, unsigned long, unsigned int, wsrep_trx_meta const*), wsrep_trx_meta const&) const+0xd3) [0x7f96e5d10063]
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/usr/lib64/galera/libgalera_smm.so(+0x21d1c3) [0x7f96e5d471c3]
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/usr/lib64/galera/libgalera_smm.so(galera::ReplicatorSMM::apply_trx(void*, galera::TrxHandle*)+0xa4) [0x7f96e5d49074]
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/usr/lib64/galera/libgalera_smm.so(galera::ReplicatorSMM::process_trx(void*, galera::TrxHandle*)+0x40) [0x7f96e5d4a090]
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/usr/lib64/galera/libgalera_smm.so(galera::GcsActionSource::dispatch(void*, gcs_action const&, bool&)+0x3f3) [0x7f96e5d2adf3]
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/usr/lib64/galera/libgalera_smm.so(galera::GcsActionSource::process(void*, bool&)+0x5b) [0x7f96e5d2c1bb]
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/usr/lib64/galera/libgalera_smm.so(galera::ReplicatorSMM::async_recv(void*)+0x6d) [0x7f96e5d4be5d]
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/usr/lib64/galera/libgalera_smm.so(galera_recv+0x23) [0x7f96e5d5cc23]
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/usr/sbin/mysqld(+0x57a172) [0x7f96eb7a6172]
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/usr/sbin/mysqld(start_wsrep_THD+0x403) [0x7f96eb797733]
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/lib64/libpthread.so.0(+0x3062a079d1) [0x7f96eadf49d1]
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/lib64/libc.so.6(clone+0x6d) [0x7f96e92da9dd]
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Trying to get some variables.
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Some pointers may be invalid and cause the dump to abort.
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Query (0x7f67b9464715): is an invalid pointer
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Connection ID (thread ID): 8
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Status: NOT_KILLED
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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=off,table_elimination=on,extended_keys=on,exists_to_in=on
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The manual page at http://dev.mysql.com/doc/mysql/en/crashing.html contains
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information that should help you find out what is causing the crash.
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Attachments
Issue Links
- duplicates
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- Closed
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