mysqld got signal 11 in sql/opt_range_mrr.cc:100(step_down_to)

histogram_size=255

optimizer_use_condition_selectivity=5

use_stat_tables='preferably'

optimizer_selectivity_sampling_limit=97

query_cache_type=1

optimizer_switch='index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=on,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=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=off,join_cache_bka=on,optimize_join_buffer_size=on,table_elimination=on,extended_keys=on'

mrr_buffer_size=32M

join_buffer_space_limit=32M

join_cache_level=5

tmp_table_size=448M

max_heap_table_size=448M

sort_buffer_size=32M

join_buffer_size=32M

stack_bottom = 0x7f91b7f27e10 thread_stack 0x48000

mysys/stacktrace.c:247(my_print_stacktrace)[0x7f91b7997efb]

sql/signal_handler.cc:153(handle_fatal_signal)[0x7f91b752ff05]

/lib/x86_64-linux-gnu/libpthread.so.0(+0x10340)[0x7f91b60c1340]

sql/opt_range_mrr.cc:100(step_down_to)[0x7f91b731fb49]

sql/opt_range_mrr.cc:196(sel_arg_range_seq_next(void*, st_key_multi_range*))[0x7f91b732303b]

sql/opt_range.cc:3426(records_in_column_ranges)[0x7f91b732405d]

CREATE TABLE `f` (

  `i` int(10) unsigned NOT NULL AUTO_INCREMENT,

  `u` varchar(2048) NOT NULL,

  `n` varchar(2048) NOT NULL,

  `e` tinyint(1) unsigned NOT NULL DEFAULT '1',

  `d` tinyint(1) unsigned NOT NULL,

  `c` datetime DEFAULT NULL,

  `p` int(10) unsigned NOT NULL,

  `g` tinyint(1) unsigned NOT NULL DEFAULT '0',

  `ur` varchar(2048) NOT NULL,

  `r` bigint(20) unsigned DEFAULT NULL,

  `cl` tinyint(1) unsigned NOT NULL DEFAULT '0',

  PRIMARY KEY (`i`),

  UNIQUE KEY (`i`,`d`,`p`),

  KEY (`p`),

  KEY (`d`,`p`),

  KEY (`e`,`d`,`p`),

  KEY (`r`)

) ENGINE=tokudb DEFAULT CHARSET=utf8 /* `compression`=tokudb_quicklz */;

MariaDB [test]> SELECT   f.i,   f.u,   f.n,   f.e,   f.d,   f.c,   f.p,   f.g,   f.ur,   f.r,   f.cl FROM   f WHERE   (f.d = 0 AND     f.p = '1' AND     f.i != '-1' AND     f.n = 'some text' );

ERROR 2013 (HY000): Lost connection to MySQL server during query