> A single program has the /dev/usb/tts/0 (yes, I am using devfs for this
> system just now 8-) device open and is blocked waiting in poll() with the
> relevant events member set to POLLIN.
>  
> Whenever the phone is turned off or the USB cable is pulled from main
> computer port, the opps occurs with 100% repeatability.  The overall system
> remains responsive to other activity but the USB subsystem completely dies.

Is there an oops if the device is _not_ opened?

        Regards
                Oliver



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