Comment 55 for bug 51315

https://bugs.edge.launchpad.net/ubuntu/+source/libnss-ldap/+bug/155947 seems to be related I
just noticed an update to libnss-ldap. From the changelog in /usr/share/doc/libnss-ldap/changelog.Debian.gz

libnss-ldap (258-1ubuntu3) hardy; urgency=low

  * add nssldap-update-ignoreusers that updates nss_initgroups_ignoreusers in
    /etc/ldap.conf based on nss_initgroups_minimum_uid. Added initscript to
    call nssldap-update-ignoreusers on shutdown. Based on changes by
    Dustin Kirkland. Fix for LP: #155947
  * References
    https://bugs.edge.launchpad.net/ubuntu/+source/libnss-ldap/+bug/155947

 -- Jamie Strandboge <email address hidden> Tue, 22 Apr 2008 14:07:14 -0400