Sounds strange, but it's nothing but the truth. Using any form of tethering application (Wireless Tether for Root Users, Barnacle, the Wireless AP button from the notification widget, etc) have two results.
A) no data goes in or out, and my computers don't see the phone, so I don't believe tethering works
B) upon shutting tethering off in each of these applications, Android freezes and my phone literally reboots.
Anyone have any tips? I don't know if it matters or not but I'm using Slayer 1.0 GHz rom, version 1.6.