On Wednesday 24 June 2009, Marek Szyprowski wrote: > > > So it's looking like tty->driver_data is somehow NULL. That's > > never supposed to happen. Did gs_open() fail or something? > > I've triggered this bug by running a 'getty -L 115200 ttyGS0 vt100' and trying > to login on that usb console and then pressing 'enter' key for longer time. > getty might abort after a few failed logins, so the /dev/ttyGS0 file might be > closed before all characters that need to be echoed were processed (usb udc debug > messages really slows it down). This is however a pure guessing, I know nothing > about tty framework and internals. Hmm, that would mean the shutdown processing isn't behaving right. Plausible, it's tricky to test. Patches accepted. ;) -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html