the bug as described in libc6 bug #113789 is solved if you add a IPv6 entry for every host in /etc/hosts this is a nasty workaround but it doen work see also http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=57998 http://sources.redhat.com/ml/libc-alpha/2001-11/msg00125.html