5.1-BK Linux
-------------
(gdb) bt
#0  free_root (root=0x95c8350, MyFlags=1) at my_alloc.c:345
#1  0x081af4b2 in dispatch_command (command=COM_QUERY, thd=0x95c0cf0, packet=Variable "packet" is not available.) at sql_parse.cc:2196
#2  0x081af688 in do_command (thd=0x95c0cf0) at sql_parse.cc:1614
#3  0x081b0269 in handle_one_connection (arg=0x95c0cf0) at sql_parse.cc:1228
#4  0x00880b80 in start_thread () from /lib/libpthread.so.0
#5  0x00597dee in clone () from /lib/libc.so.6



5.0-BK Windows
----------------
mysqld_debug!free_root+0xdd
mysqld_debug!dispatch_command+0x16bf
mysqld_debug!do_command+0x1f6
mysqld_debug!handle_one_connection+0x241
mysqld_debug!pthread_start+0x53
mysqld_debug!_threadstart+0xb7
KERNEL32!BaseThreadStart+0x52


5.0.24 Windows
---------------
mysqld_nt!alloc_root+0x1a
mysqld_nt!sql_alloc+0x22
mysqld_nt!base_list::push_front+0xa
mysqld_nt!st_select_lex::init_query+0xb7
mysqld_nt!lex_start+0x74
mysqld_nt!mysql_parse+0x17
mysqld_nt!dispatch_command+0x562
mysqld_nt!do_command+0xad
mysqld_nt!handle_one_connection+0x26e
mysqld_nt!pthread_start+0x3b
mysqld_nt!_threadstart+0x6c


5.0-BK Linux
--------------
0x80db403
0x406420
(nil)
0x80fa085
0x80fade2
0x83c6df6
0x841e94e