On Tue, Jan 31, 2012 at 5:21 PM, Johan Hovold <jhovold@xxxxxxxxx> wrote: > You should still be able to use a previously opened tty (ssh, screen, X) to > grab the USB debug info for your host controller during the lock-up, though. That's exactly what happens. I can use any existing ttys (for a while at least), but opening any new ones hangs. On Tue, Jan 31, 2012 at 6:27 PM, Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote: > The next step is collect a usbmon trace for bus 4, starting shortly > before you close the serial port. Instructions are in > Documentation/usb/usbmon.txt. I'll give that a go. Thanks, Ross -- 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