In [a previous post|blog/20080828/tethered-dialup-with-eeepc-palm-755p-and-alltel], I wrote about setting up a tethered dial-up connection using a Palm Treo 755p and an eeePC.
It seems that during the upgrade process from Ubuntu 8.04 (Hardy) to 8.10 (Intrepid), something changed in the networking modules and broke this...a little bit.