Did not work on my Droid RAZR XT912... When it tried to push the root tools it said this
5605 KB/s (1578585 bytes in 0.275s)
Any help would be appreciated. The phone is in USB debugging mode and I installed the latest Motorola USB drivers via the Motorola website. I tried motochopper on a USB 1.1 port and a USB 2.0 port.
FIX: If you have the same phone as mine (will probably work on other phones as well), switch from Mass Storage Device mode to Media or Camera mode and then the root will work. Here's how to switch to these modes: