[MDEV-17241] [draft] Assertion table->get_ref_count() == 0 failed in dict0dict.cc line 1986 Created: 2018-09-19  Updated: 2018-09-20  Resolved: 2018-09-20

Status: Closed
Project: MariaDB Server
Component/s: N/A
Affects Version/s: 10.4
Fix Version/s: N/A

Type: Bug Priority: Major
Reporter: Alice Sherepa Assignee: Alice Sherepa
Resolution: Duplicate Votes: 0
Labels: None


 Description   

10.4 9e1a39aae49eaaf397eb85aac481228694a75aed

2018-09-17 15:47:33 0x7fe7e8054700  InnoDB: Assertion failure in file /git/10.4/storage/innobase/dict/dict0dict.cc line 1986
InnoDB: Failing assertion: table->get_ref_count() == 0
InnoDB: We intentionally generate a memory trap.
InnoDB: Submit a detailed bug report to https://jira.mariadb.org/
InnoDB: If you get repeated assertion failures or crashes, even
InnoDB: immediately after the mysqld startup, there may be
InnoDB: corruption in the InnoDB tablespace. Please refer to
InnoDB: https://mariadb.com/kb/en/library/xtradbinnodb-recovery-modes/
InnoDB: about forcing recovery.
180917 15:47:33 [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: 10.4.0-MariaDB-debug-log
key_buffer_size=134217728
read_buffer_size=131072
max_used_connections=3
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 = 467566 K  bytes of memory
Hope that's ok; if not, decrease some variables in the equation.
 
Thread pointer: 0x7fe77c000b00
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 = 0x7fe7e8053d40 thread_stack 0x49000
/home/alice/git/10.4/sql/mysqld(my_print_stacktrace+0x40)[0x560b66027c26]
mysys/stacktrace.c:269(my_print_stacktrace)[0x560b65880d1c]
/lib/x86_64-linux-gnu/libpthread.so.0(+0x11390)[0x7fe7f0c8a390]
linux/raise.c:54(__GI_raise)[0x7fe7f0043428]
stdlib/abort.c:91(__GI_abort)[0x7fe7f004502a]
ut/ut0dbg.cc:62(__static_initialization_and_destruction_0(int, int))[0x560b65df133d]
dict/dict0dict.cc:1987(dict_table_remove_from_cache_low(dict_table_t*, unsigned long))[0x560b65eaa373]
dict/dict0dict.cc:2070(dict_table_remove_from_cache(dict_table_t*))[0x560b65eaab18]
row/row0mysql.cc:3470(row_drop_table_for_mysql(char const*, trx_t*, enum_sql_command, bool, bool))[0x560b65d349f0]
handler/ha_innodb.cc:12828(ha_innobase::delete_table(char const*, enum_sql_command))[0x560b65bf2563]
handler/ha_innodb.cc:13219(ha_innobase::truncate())[0x560b65bdf43f]
sql/handler.cc:4307(handler::ha_truncate())[0x560b6588cc01]
sql/sql_truncate.cc:242(Sql_cmd_truncate_table::handler_truncate(THD*, TABLE_LIST*, bool))[0x560b65a5743c]
sql/sql_truncate.cc:404(Sql_cmd_truncate_table::truncate_table(THD*, TABLE_LIST*))[0x560b65a579cd]
sql/sql_truncate.cc:502(Sql_cmd_truncate_table::execute(THD*))[0x560b65a57cb6]
sql/sql_parse.cc:6288(mysql_execute_command(THD*))[0x560b65594cc9]
sql/sql_parse.cc:8085(mysql_parse(THD*, char*, unsigned int, Parser_state*, bool, bool))[0x560b65599e85]
sql/sql_parse.cc:1852(dispatch_command(enum_server_command, THD*, char*, unsigned int, bool, bool))[0x560b65586f50]
sql/sql_parse.cc:1395(do_command(THD*))[0x560b6558596d]
sql/sql_connect.cc:1402(do_handle_one_connection(CONNECT*))[0x560b656ec67f]
sql/sql_connect.cc:1309(handle_one_connection)[0x560b656ec3d0]
/lib/x86_64-linux-gnu/libpthread.so.0(+0x76ba)[0x7fe7f0c806ba]
x86_64/clone.S:111(clone)[0x7fe7f011541d]
 
Trying to get some variables.
Some pointers may be invalid and cause the dump to abort.
Query (0x7fe77c015c48): TRUNCATE TABLE `view_A`  /* QNO 11295 CON_ID 15 */
Connection ID (thread ID): 15
Status: NOT_KILLED

Can not reproduce right away, weird as TRUNCATE TABLE does not work on view, so error is expected.

perl /home/alice/git/rqg1/runall-new.pl --no-mask --seed=random --duration=600 --queries=100M --short_column_names --reporters=Backtrace,ErrorLog,Deadlock --validators=TransformerNoComparator --transformer=Count, DisableChosenPlan, DisableIndexes, DisableJoinCache, DisableOptimizations, Distinct, ExecuteAsCTE, ExecuteAsDeleteReturning, ExecuteAsDerived, ExecuteAsExcept, ExecuteAsExecuteImmediate, ExecuteAsFunctionTwice, ExecuteAsInsertSelect, ExecuteAsUnion, Having, InlineSubqueries, InlineVirtualColumns, LimitDecrease, LimitIncrease, LimitRowsExamined, NullIf, OrderBy --mysqld=--log_output=FILE --querytimeout=120 --redefine=conf/mariadb/alter_table.yy --redefine=conf/mariadb/sp.yy --redefine=conf/mariadb/bulk_insert.yy --redefine=conf/mariadb/sequences.yy --views --notnull --threads=1 --grammar=conf/mariadb/window_func.yy --engine=InnoDB --gendata --mysqld=--join_cache_level=4 --mysqld=--optimizer_use_condition_selectivity=4 --basedir1=/git/10.4 --vardir1=/1



 Comments   
Comment by Elena Stepanova [ 2018-09-20 ]

This is likely to be a duplicate of MDEV-17167.

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