I have a third party module to go with a frame grabber. I've downloaded the kernel source, followed the vendor's instructions to compile it, and have the resulting module, arvdrv.ko, sitting in a folder.
The vendor has supplied a script that loads the module into the kernel and it works when I run it; the module is loaded but only until the next boot. The script does not use modprobe. I can access the frame grabber when the module is …