Assertion failed - in drizzled::plugin::TableFunction::Generator::push (this=0x23876c0, arg=<value optimized out>, length=<value optimized out>) at drizzled/plugin/table_function.cc:185

Assertion failing during a 2 connection workload.
Conn1: data_dictionary queries
Conn2: drizzledump.yy grammar + validator

Last queries:
Conn1: # 2010-08-31T20:34:10 Running Query--> SELECT * FROM `data_dictionary` . INNODB_TRX
Conn2: # 2010-08-31T20:34:10 Running Query--> ALTER TABLE dump_table4 DROP field36

Backtrace:
Program terminated with signal 6, Aborted.
#0 0x00007f8bab3b7a75 in *__GI_raise (sig=<value optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
64 ../nptl/sysdeps/unix/sysv/linux/raise.c: No such file or directory.
 in ../nptl/sysdeps/unix/sysv/linux/raise.c
(gdb) backtrace
#0 0x00007f8bab3b7a75 in *__GI_raise (sig=<value optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#1 0x00007f8bab3bb5c0 in *__GI_abort () at abort.c:92
#2 0x00007f8bab3b0941 in *__GI___assert_fail (assertion=0x88c671 "arg", file=<value optimized out>, line=185,
    function=0x88c800 "void drizzled::plugin::TableFunction::Generator::push(const char*, uint32_t)") at assert.c:81
#3 0x00000000005ed912 in drizzled::plugin::TableFunction::Generator::push (this=0x23876c0, arg=<value optimized out>, length=<value optimized out>)
    at drizzled/plugin/table_function.cc:185
#4 0x000000000070b742 in InnodbTrxTool::Generator::populate_innodb_trx (this=0x23876c0) at plugin/innobase/handler/data_dictionary.cc:334
#5 0x000000000070b978 in InnodbTrxTool::Generator::populate (this=0x23876c0) at plugin/innobase/handler/data_dictionary.cc:227
#6 0x00000000005ed7d1 in drizzled::plugin::TableFunction::Generator::sub_populate (this=0x60fc, field_size=25021) at drizzled/plugin/table_function.cc:156
#7 0x00000000006d6b4e in FunctionCursor::rnd_next (this=0x7f8b9005dbf0) at plugin/function_engine/cursor.cc:87
#8 0x00000000005f1bd1 in rr_sequential (info=0x2420438) at drizzled/records.cc:271
#9 0x0000000000629331 in drizzled::sub_select (join=0x2285d18, join_tab=0x61bd, end_of_records=6) at drizzled/sql_select.cc:3563
#10 0x000000000062e330 in drizzled::do_select (join=0x2285d18, fields=0x2285590, table=0x0) at drizzled/sql_select.cc:3333
#11 0x00000000005a406c in drizzled::Join::exec (this=0x2285d18) at drizzled/join.cc:1695
#12 0x000000000062a6a2 in drizzled::mysql_select (session=0x2284820, rref_pointer_array=<value optimized out>, tables=0x2285b50, wild_num=1,
    fields=<value optimized out>, conds=<value optimized out>, og_num=0, order=0x0, group=0x0, having=0x0, select_options=2147500032, result=0x2285cf8,
    unit=0x2285298, select_lex=0x2285498) at drizzled/sql_select.cc:427
#13 0x000000000062afa0 in drizzled::handle_select (session=0x2284820, lex=0x2285278, result=0x2285cf8, setup_tables_done_option=0)
    at drizzled/sql_select.cc:146
#14 0x0000000000624e23 in drizzled::execute_sqlcom_select (session=0x2284820, all_tables=0x2285b50) at drizzled/sql_parse.cc:544
#15 0x0000000000624a3e in mysql_execute_command (session=0x2284820, inBuf=<value optimized out>, length=<value optimized out>) at drizzled/sql_parse.cc:479
#16 drizzled::mysql_parse (session=0x2284820, inBuf=<value optimized out>, length=<value optimized out>) at drizzled/sql_parse.cc:750
#17 0x0000000000626e12 in drizzled::dispatch_command (command=drizzled::COM_QUERY, session=0x2284820, packet=0x2280811 "", packet_length=<value optimized out>)
    at drizzled/sql_parse.cc:224
#18 0x00000000005f508a in drizzled::Session::executeStatement (this=0x2284820) at drizzled/session.cc:666
#19 0x00000000005f8132 in drizzled::Session::run (this=0x2284820) at drizzled/session.cc:522
#20 0x00007f8ba7b25344 in MultiThreadScheduler::runSession (arg=<value optimized out>) at ./plugin/multi_thread/multi_thread.h:67
#21 session_thread (arg=<value optimized out>) at plugin/multi_thread/multi_thread.cc:52
#22 0x00007f8bab70d9ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#23 0x00007f8bab46a6fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#24 0x0000000000000000 in ?? ()