[openib-general] error trying to bring up node

[Roland Dreier]

    Hal> Doesn't that just map starting at the GRH ? This is to handle
    Hal> PMA responses which might have GRHs.

Sure, it maps starting at the GRH and uses that as the start of the
gather segment used for the send (and tries to send more than 256
bytes).  This is wrong even when sending a packet with GRH (the
address vector has the global route information; you don't have to
supply a GRH when posting the send).

 - Roland