On Thu, 2010-08-26 at 18:01 -0400, Bill Pemberton wrote: > Alan Stern writes: > > > > There must be _some_ difference. Have you tried running the script > > under strace? > Aha! I found the culprit. I went comparing every ting on the 2 > machines and they are identical except for one thing: the failing > machine is running NetworkManager instead of plain old > network.... Apparently NetworkManager is messing with the tty > settings. Yet another reason to turn it off. Doesn't that indicate that the serial loopback script needs to call stty to configure the tty settings correctly before it starts? Otherwise, anything that changes the tty state (e.g. calls to setserial at boot time) could stop it working. Richard -- 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