On Sony Vaio F series (F11, F12, F13) touchpads are not properly detected. Logs from Vaio F1390x attached. More info on other series: http://code.google.com/p/vaio-f11-linux/issues/detail?id=1
Created attachment 46202 [details]
Some relevant logs
not only in x86_64 i have the same problem in linux 3.2.4 in arch linux !
*** This bug has been marked as a duplicate of bug 14660 ***