I have since learned that the problem is an incompatibility with the resolver in the libc6-i386 library. This library is a dependency of MBR which is a dependency of Lilo.
I had believed that the system on which I encountered this was a vanilla distribution but in fact (a) Lilo had been installed for no particular reason; and (b) it is an AMD64 so the compatibility library was required. -- libnss-ldap prevents user authentication when ldap hosts lookup enabled https://bugs.launchpad.net/bugs/424942 You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to libnss-ldap in ubuntu. -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs