Problems starting on FreeBSD 5.2.1-RELEASE/AMD64

[Jason Lixfeld <jason+lists.openldap@lixfeld.ca>]

I can't find any documentation on threading, mutex, freebsd/amd64  
issues, etc.  I'm at a loss.  Anyone have any insight?

su-2.05b# /usr/local/libexec/slapd -d 2048
@(#) $OpenLDAP: slapd 2.2.5 (Feb 27 2004 12:02:46) $
         
jlixfeld@spam.kill.er:/usr/ports/net/openldap22-server/work/openldap 
-2.2.5/servers/slapd
bdb_initialize: Sleepycat Software: Berkeley DB 4.2.52: (December  3,  
2003)
bdb_db_init: Initializing BDB database
bdb(dc=ebit,dc=ca): architecture lacks fast mutexes: applications  
cannot be threaded
bdb_db_open: dbenv_open failed: Invalid argument (22)
backend_startup: bi_db_open(0) failed! (22)
bdb(dc=ebit,dc=ca): txn_checkpoint interface requires an environment  
configured for the transaction subsystem
bdb_db_destroy: txn_checkpoint failed: Invalid argument (22)
slapd stopped.
connections_destroy: nothing to destroy.
su-2.05b#