#4  <signal handler called>
#5  0x0891d508 in Ldb_transaction::commit (this=0x0) at mysql-5.6-leveldb/storage/leveldb/ha_leveldb.cc:194
#6  0x0891cdd7 in ha_leveldb::external_lock (this=0xa5a4cdb0, thd=0xadfe888, lock_type=2) at mysql-5.6-leveldb/storage/leveldb/ha_leveldb.cc:1070
#7  0x08256f4a in handler::ha_external_lock (this=0xa5a4cdb0, thd=0xadfe888, lock_type=2) at mysql-5.6-leveldb/sql/handler.cc:7050
#8  0x084dc19a in unlock_external (thd=0xadfe888, table=0xa5a4d1a0, count=1) at mysql-5.6-leveldb/sql/lock.cc:646
#9  0x084db87c in mysql_unlock_tables (thd=0xadfe888, sql_lock=0xa5a4d188) at mysql-5.6-leveldb/sql/lock.cc:389
#10 0x083476d1 in close_thread_tables (thd=0xadfe888) at mysql-5.6-leveldb/sql/sql_base.cc:1446
#11 0x083abd3d in mysql_execute_command (thd=0xadfe888) at mysql-5.6-leveldb/sql/sql_parse.cc:4903
#12 0x083ae4a8 in mysql_parse (thd=0xadfe888, rawbuf=0xa5a3f678 "alter table t9 discard tablespace", length=33, parser_state=0xa5b59758) at mysql-5.6-leveldb/sql/sql_parse.cc:6097
#13 0x083a2e8e in dispatch_command (command=COM_QUERY, thd=0xadfe888, packet=0xb3f4249 "alter table t9 discard tablespace", packet_length=33) at mysql-5.6-leveldb/sql/sql_parse.cc:1312
#14 0x083a22be in do_command (thd=0xadfe888) at mysql-5.6-leveldb/sql/sql_parse.cc:1036
#15 0x08371c79 in do_handle_one_connection (thd_arg=0xadfe888) at mysql-5.6-leveldb/sql/sql_connect.cc:969
#16 0x08371822 in handle_one_connection (arg=0xadfe888) at mysql-5.6-leveldb/sql/sql_connect.cc:885
#17 0x08650697 in pfs_spawn_thread (arg=0xb3d8168) at mysql-5.6-leveldb/storage/perfschema/pfs.cc:1853
#18 0xb772ae32 in start_thread () from /lib/libpthread.so.0

revision-id: psergey@askmonty.org-20121221100948-jddqx7ndi0b0fovk
date: 2012-12-21 14:09:48 +0400
build-date: 2012-12-21 18:51:53 +0400
revno: 4467
branch: mysql-5.6-leveldb