Some Apps may be to blame
I upgraded from SL to Lion and saw the slow shutdowns being reported. After uninstalling Fan Control and Techtools Pro 6 the shutdown returned to the normal 2-3 seconds. Look for applications that you installed that hav'nt been updated to support lion.
I upgraded from SL to Lion and saw the slow shutdowns being reported. After uninstalling Fan Control and Techtools Pro 6 the shutdown returned to the normal 2-3 seconds. Look for applications that you installed that hav'nt been updated to support lion.