Did you have a prior version of lighttpd running successfully? Which version?
Please share your current lighttpd config $ lighttpd -f /etc/lighttpd/lighttpd.conf -p $ lighttpd -f /etc/lighttpd/lighttpd.conf -tt If you have strace installed: $ strace -s 1024 lighttpd -f /etc/lighttpd/lighttpd.conf -D