Comment 1 for bug 1238278

Backtrace:

(gdb) bt
#0 0x00007eff8ce580b1 in pthread_kill () from /usr/lib/libpthread.so.0
#1 0x000000000094630f in my_write_core (sig=6) at /media/Tintin/Work/code/percona-xtradb-cluster/pxc56/Percona-Server/mysys/stacktrace.c:422
#2 0x00000000006da228 in handle_fatal_signal (sig=6) at /media/Tintin/Work/code/percona-xtradb-cluster/pxc56/Percona-Server/sql/signal_handler.cc:254
#3 <signal handler called>
#4 0x00007eff8b1e83d9 in raise () from /usr/lib/libc.so.6
#5 0x00007eff8b1e97d8 in abort () from /usr/lib/libc.so.6
#6 0x00007eff8b1e1506 in __assert_fail_base () from /usr/lib/libc.so.6
#7 0x00007eff8b1e15b2 in __assert_fail () from /usr/lib/libc.so.6
#8 0x0000000000969db8 in wsrep_innobase_mysql_sort (mysql_type=mysql_type@entry=254, charset_number=<optimized out>, str=str@entry=0x7eff78475e70 "1", ' ' <repeats 11 times>, str_length=str_length@entry=12)
    at /media/Tintin/Work/code/percona-xtradb-cluster/pxc56/Percona-Server/storage/innobase/handler/ha_innodb.cc:5713
#9 0x000000000096b27e in wsrep_store_key_val_for_row (table=0x7eff2c0f4fa0, keynr=keynr@entry=2, buff=0x7eff78476f42 "", buff@entry=0x7eff78476f41 "", buff_len=37,
    record=record@entry=0x7eff2c0fc8f0 "\367", ' ' <repeats 36 times>, key_is_null=key_is_null@entry=0x7eff78476b18)
    at /media/Tintin/Work/code/percona-xtradb-cluster/pxc56/Percona-Server/storage/innobase/handler/ha_innodb.cc:6499
#10 0x000000000096cdd6 in ha_innobase::wsrep_append_keys (this=this@entry=0x7eff2c129400, thd=0x3726ca0, shared=shared@entry=false, record0=record0@entry=0x7eff2c0fc8f0 "\367", ' ' <repeats 36 times>,
    record1=record1@entry=0x0) at /media/Tintin/Work/code/percona-xtradb-cluster/pxc56/Percona-Server/storage/innobase/handler/ha_innodb.cc:9780
#11 0x000000000097488f in ha_innobase::write_row (this=0x7eff2c129400, record=0x7eff2c0fc8f0 "\367", ' ' <repeats 36 times>)
    at /media/Tintin/Work/code/percona-xtradb-cluster/pxc56/Percona-Server/storage/innobase/handler/ha_innodb.cc:7652
#12 0x000000000064a4a3 in handler::ha_write_row (this=0x7eff2c129400, buf=0x7eff2c0fc8f0 "\367", ' ' <repeats 36 times>) at /media/Tintin/Work/code/percona-xtradb-cluster/pxc56/Percona-Server/sql/handler.cc:7557
#13 0x000000000073f691 in write_record (thd=thd@entry=0x3726ca0, table=table@entry=0x7eff2c0f4fa0, info=info@entry=0x7eff784791e0, update=update@entry=0x7eff78479260)
    at /media/Tintin/Work/code/percona-xtradb-cluster/pxc56/Percona-Server/sql/sql_insert.cc:1672
#14 0x0000000000744f76 in mysql_insert (thd=thd@entry=0x3726ca0, table_list=0x7eff2c0e8ea0, fields=..., values_list=..., update_fields=..., update_values=..., duplic=DUP_REPLACE, ignore=false)
    at /media/Tintin/Work/code/percona-xtradb-cluster/pxc56/Percona-Server/sql/sql_insert.cc:1073
#15 0x0000000000759367 in mysql_execute_command (thd=thd@entry=0x3726ca0) at /media/Tintin/Work/code/percona-xtradb-cluster/pxc56/Percona-Server/sql/sql_parse.cc:4054
#16 0x000000000075d8a2 in mysql_parse (thd=thd@entry=0x3726ca0, rawbuf=rawbuf@entry=0x7eff2c0e8d20 "REPLACE INTO `table100_innodb_int_autoinc` ( `col_char_12_key` ) VALUES ( 1 )", length=length@entry=77,
    parser_state=parser_state@entry=0x7eff7847a820) at /media/Tintin/Work/code/percona-xtradb-cluster/pxc56/Percona-Server/sql/sql_parse.cc:7079
#17 0x000000000075deee in wsrep_mysql_parse (thd=thd@entry=0x3726ca0, rawbuf=0x7eff2c0e8d20 "REPLACE INTO `table100_innodb_int_autoinc` ( `col_char_12_key` ) VALUES ( 1 )", length=length@entry=77,
    parser_state=parser_state@entry=0x7eff7847a820) at /media/Tintin/Work/code/percona-xtradb-cluster/pxc56/Percona-Server/sql/sql_parse.cc:6831
#18 0x000000000075ee41 in dispatch_command (command=command@entry=COM_QUERY, thd=thd@entry=0x3726ca0,
    packet=packet@entry=0x3747831 "REPLACE INTO `table100_innodb_int_autoinc` ( `col_char_12_key` ) VALUES ( 1 )", packet_length=packet_length@entry=77)
    at /media/Tintin/Work/code/percona-xtradb-cluster/pxc56/Percona-Server/sql/sql_parse.cc:1630
#19 0x00000000007603b3 in do_command (thd=0x3726ca0) at /media/Tintin/Work/code/percona-xtradb-cluster/pxc56/Percona-Server/sql/sql_parse.cc:1133
#20 0x000000000072c5c3 in do_handle_one_connection (thd_arg=thd_arg@entry=0x3726ca0) at /media/Tintin/Work/code/percona-xtradb-cluster/pxc56/Percona-Server/sql/sql_connect.cc:1645
#21 0x000000000072c6eb in handle_one_connection (arg=0x3726ca0) at /media/Tintin/Work/code/percona-xtradb-cluster/pxc56/Percona-Server/sql/sql_connect.cc:1549
#22 0x00007eff8ce530a2 in start_thread () from /usr/lib/libpthread.so.0
#23 0x00007eff8b29843d in clone () from /usr/lib/libc.so.6