I use my MK IV on a linux machine without any issue. I am using the WP3.sh script to set everything up. I even added a line of code to launch sslstrip in an xterm window on my laptop. I wonder if ti is OS related and not the MK IV itself??
Also, I read the article where you said you have not run into a pineapple in the wild yet. If you ever visit my neighborhood, it just might happen...lol
B)
I have one of the new Mark IV's from Shmoocon. I cannot wait to see documentation on setting up a standalone unit, with USB 3G and sending data to cloud VPS....