Description:
Logging: ./mtr alias --mysqld=--ndbcluster
MySQL Version 5.1.30
<snip>
=======================================================
TEST RESULT TIME (ms)
-------------------------------------------------------
main.alias [ fail ]
mysqltest: At line 2: query 'DROP TABLE IF EXISTS t1' failed: 2013: Lost connection to MySQL server during query
How to repeat:
(gdb) where
#0 0x00007f939d3b01e6 in pthread_kill () from /lib/libpthread.so.0
#1 0x0000000000b37ed0 in my_write_core (sig=11) at stacktrace.c:310
#2 0x00000000006bb7e4 in handle_segfault (sig=11) at mysqld.cc:2508
#3 <signal handler called>
#4 0x0000000000a920e3 in Ndb_cluster_connection_impl::get_connect_count (
this=0x1eb3cd0) at ./TransporterFacade.hpp:360
#5 0x0000000000a8ef7e in Ndb_cluster_connection::get_connect_count (
this=0x1e989a0) at ndb_cluster_connection.cpp:265
#6 0x00000000008ea3eb in Thd_ndb (this=0x1f31060) at ha_ndbcluster.cc:618
#7 0x00000000008ea601 in ha_ndbcluster::seize_thd_ndb ()
at ha_ndbcluster.cc:8187
#8 0x00000000008ea700 in check_ndb_in_thd (thd=0x1f1f508, validate_ndb=false)
at ha_ndbcluster.cc:8279
#9 0x000000000090c717 in ndbcluster_global_schema_lock (thd=0x1f1f508,
no_lock_queue=0, report_cluster_disconnected=1)
at ha_ndbcluster_binlog.cc:790
#10 0x0000000000914430 in ndbcluster_binlog_func (hton=0x1eb3a38,
thd=0x1f1f508, fn=BFN_GLOBAL_SCHEMA_LOCK, arg=0x40834cd4)
at ha_ndbcluster_binlog.cc:965
#11 0x00000000007fefc8 in binlog_func_foreach (thd=0x1f1f508, bfn=0x40834ce0)
at handler.cc:3911
#12 0x00000000007ff0b8 in ha_global_schema_lock (thd=0x1f1f508, no_queue=0)
at handler.cc:3960
#13 0x00000000007ff14d in Ha_global_schema_lock_guard::lock (this=0x40834df0,
no_queue=0) at handler.cc:3990
#14 0x0000000000829903 in mysql_rm_table_part2 (thd=0x1f1f508,
tables=0x1f5dbd0, if_exists=true, drop_temporary=false, drop_view=false,
dont_log_query=false) at sql_table.cc:1573
#15 0x000000000082a578 in mysql_rm_table (thd=0x1f1f508, tables=0x1f5dbd0,
if_exists=1 '\001', drop_temporary=0 '\0') at sql_table.cc:1497
#16 0x00000000006d0bdf in mysql_execute_command (thd=0x1f1f508)
at sql_parse.cc:3281
#17 0x00000000006d6014 in mysql_parse (thd=0x1f1f508,
inBuf=0x1f5daf8 "DROP TABLE IF EXISTS t1", length=23,
found_semicolon=0x40836bd8) at sql_parse.cc:5790
#18 0x00000000006d6d96 in dispatch_command (command=COM_QUERY, thd=0x1f1f508,
packet=0x1f4dcd9 "DROP TABLE IF EXISTS t1", packet_length=23)
at sql_parse.cc:1200
#19 0x00000000006d81db in do_command (thd=0x1f1f508) at sql_parse.cc:857
#20 0x00000000006c4f7e in handle_one_connection (arg=0x1f1f508)
at sql_connect.cc:1115
#21 0x00007f939d3ab3ea in start_thread () from /lib/libpthread.so.0
#22 0x00007f939c110c6d in clone () from /lib/libc.so.6
#23 0x0000000000000000 in ?? ()
Suggested fix:
Don't allow usage of Ndb object before TransporterFacade and ClusterMgr has been created.