Hi Ira,

> Thank you very much Felix. The dmesg output shows that the controller
> never got an interrupt for the second transaction. The patch below has
> extra debugging information that may help determine why this happens.
> Please apply it and re-run the test.
>
> The last section of dmesg (after "Freeing unused kernel memory") is all
> I need.
>

Attached relevant dmesg portion.

Felix.