John, I had the same problem. You need root privileges to access the USB the way you want to. Try running paparazzi center like this:
then enter your password when prompted to. It should work then.
----- Original Message ----
From: John Christensen <address@hidden>
To: address@hidden
Sent: Thursday, January 10, 2008 11:00:00 AM
Subject: [Paparazzi-devel] Autopilot upload
These are the last few lines which are all in red from the Paparazzi Center. I'm not sure what is happening here. I don't know Linux very well, so it very well could be user error. (I say it is Linux's fault, not mine =P).
USB error: Operation not permitted
Found USB device
unlock failed
make[1]: *** [upload] Error 1
make[1]: Leaving directory `/ramdisk/home/knoppix/paparazzi3/sw/airborne'
make: *** [ap.upload
] Error 2
make: Leaving directory `/ramdisk/home/knoppix/paparazzi3'
--
Optimist: "The glass is half full."
Pessimist: "The glass is half empty."
Engineer: "That glass is twice as large as it needs to be."
--Unknown