https://bugs.freedesktop.org/show_bug.cgi?id=98276
--- Comment #7 from Johannes Hirte johannes.hirte@datenkhaos.de --- (In reply to Alex Deucher from comment #6)
You can also unbind the console before unloading the module.
sudo bash -c "echo 0 > /sys/class/vtconsole/vtcon1/bind"
First time this resulted in a black screen with a panic, next time the system hung, but reboot via SysReq Keys worked. Always happened on the unbind.