Device or resource busy after boot on RPi, blacklist doesn't work

[Arie_spotter]

Hi everyone,

I'm using modesdeco2 on my Raspberry Pi B+ with Raspbian. It works perfectly if I boot up the pi, then connect the USB DVB-T dongle and then run modesdeco2. However, if I keep the dongle plugged in when booting the pi up and then try to run modesdeco2, I get the well known Device or resource busy error. I have added the udev rules and I've also blacklisted the original drivers like others suggested. However none of this seems to work. I still get this error when using modesdeco right after boot, and I have to unplug and then plug-in the dongle and restart modesdeco to get it to work. I wish to use the Pi without keyboard and mouse, so this is a pretty crucial issue to me. What could I try to solve this?

Many thanks in advance!