SQ Error State
This state is implemented on all QP types except for RC QPs. It is also not implemented on a RD EEC (for more information, refer to the chapter entitled, “RD Transport Service” on page 461).
SQ Error Entry Conditions
The SQE state is entered automatically when a SQ WQE encounters an error during the performance of a message transfer. SQE can be entered either from the RTS state or the SQD state.
How Do the SQE and Error States Differ?
In Error State, the QP Ceases All Processing
When a QP transitions to the Error state, it becomes completely unproductive. It stops processing both SQ and RQ WQEs. It ceases to transmit message transfer request packets to the remote QP's RQ Logic. Likewise, its RQ Logic ceases to process any incoming ...
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