I use a usb to serial adapter dmesg report this : usb 1-2: FTDI 8U232AM Compatible converter now attached to ttyUSB0 (or usb/tts/0 for devfs) If I ask minicom to use /dev/usb/tts/0, it doesn't show anything. If a make a link like this : ln -s /dev/usb/tts/0 /dev/ttyUSB0 it failed too. The only way to use my adapter is to make a link like this : ln -s /dev/usb/tts/0 /dev/ttyS0 (I have no serial port on this laptop), It works ! :-/ Reproducible: Always Steps to Reproduce: 1. just try to use minicom with this kind of adapter 2. 3.
how did you configured the port used by minicom? did you launched with -s option?
minicom opens whatever serial device is configured to open. default is /dev/ttyS0 but this could be changed by minicom -s