The problem is resolved by downgrading xkb-data from 1.5-2 to 1.3-2. Thanks.
On Sun, Mar 15, 2009 at 10:37 AM, Michael Yang <michael....@gmail.com>wrote: > I have a Debian/Lenny 2.6.24 installed on my laptop (D630). I did a > software upgrade just now (apt-get upgrade) and the keyboard doesn't work > after that. > > I rebooted the system and now I have to type the letter twice to enter one > letter, for example typing two 'a' for entering one 'a'. > > Anyone has idea of which package's upgrade caused this problem? > > Thanks so much. > Michael >