I'm not sure if this happened previously to the 2.2 firmware or what but i'm on a clean restore non jailbroken and whenever I plug my phone into the pc when it's locked it vibrates until it eventually crashes and restarts. It only stops this when I unplug, wait until it starts up, enter my passcode then plug it in again.
This happens all the time when my phone is locked (with passcode).
Anyone else seeing this problem, or is it isolated?
Edit: 1st gen iPhone