I'm trying to install openldap openacs with authentication, but when I try to create a user or change the password of the user, the openacs restart and log appears:

[26/Jan/2010:12:16:50][7809.1100228944][-conn:13-] Fatal: received fatal signal 11

I discovered that the fatal error 11 is caused in architecture x86_64, but when I'm using architecture i386 and authentication ldap with nsldap the error does not occurs.
Someone could please help me using architecture x86_64 and autentication ldap with nsldp?

Can someone help me?