[ubuntu] Dell Latitude 4200 cannot read serial input through Cutecom

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http://ubuntuforums.org – Hi all, I am currently using an old Dell Latitude 4200 as the main computer board on an autonomous surface vessel. I have Ubuntu 12.04 installed on it as well as ROS fuerte. However, when I connect serial devices (through USB ports), such as the GPS or the compass, I cannot get data out either in ROS or, more worryingly, in cutecom. The computer has only one USB 2.0 port and therefore I have attached an external USB hub. Nevertheless, whenever I connect a USB stick to this hub, Ubuntu automatically mounts it. I also tried connecting the gps and the compass, and if I list into /dev I can se (Hardware)