The patch folder contains a patch for the labjack.c file. The patch replaces the usb_unlink_urb calls with usb_kill_urb. This takes care of the "Badness in usb_unlink_urb" message seen when running dmesg. You only need to use the patch with kernels 2.6.10 and above. Patching Instructions From the patch folder, run the following command: # patch -p0