It looks like a conflict between avahi and samba. According to this blog post, its apparently fixed in avahi:
http://michael.susens-schurter.com/blog/2006/11/29/mdns-crashes-samba/ Regards chuck -- system-config-printer.py crashed with SIGSEGV in _nss_mdns4_minimal_gethostbyname2_r() https://bugs.launchpad.net/bugs/359088 You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to samba 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