While diagnosing a problem with lirc I tried to list the USB devices on my system by running
lsusb and it simply hang there without displaying anything. I can't even close it with Ctrl+C, I have to close the terminal I launch it from.
I guess it means there is something wrong with the USB "system" and that's why my IR receiver doesn't work.
I searched on the web and did not find much about this problem. What should I try to diagnose this?