I received my new BBB Rev C board on Friday, and updated the Debian image last night after determining that it did not ship with the latest image. I’m seeing a problem with the Gadget Serial port (the one on the Mini-B USB port).
I have the USB cable connected to my PC (one of the USB 3.0 ports on the front as they are very convenient to reach), which is home built and running Windows 7 Home 64-bit. [That’s just enough Windows to do what I need to do.] My terminal of choice is PuTTY.
[I also have my other BBB plugged into the other front USB 3.0 port, if that makes a difference. It is a rev B running Angstrom Linux. I don’t think I am seeing this issue on it.]
Occasionally, the BBB stops responding on that serial port. At first I thought it was locking up entirely, but now that I have my monitor cooperating better with the BBB, I was able to determine that the BBB was still running. However, tried restarting the BBB, and it panicked on shutdown (something about not synchronizing due to a stuck thread). Unfortunately, I can’t find the panic log, if there is one…
This did not restore connectivity to the serial port, but a restart of my PC did. For now.
I am not familiar enough with the Gadget ports to continue trouble shooting from this point. Is it the BBB, Debian, my PC, the Gadget Serial driver, or something else?