[ofa-general] Shared Protection Domain for iWARP

Sean Hefty sean.hefty at intel.com
Mon Jan 12 14:28:40 PST 2009


>I have tried Variant A but when I send from the MR which was registered by QP1
>using QP2,
>I get an async event saying 'Local Work Queue Error' and the connection gets
>terminated.
>This is even though, QP1 and QP2 are in the same PD on the local host. Is there
>anything else I need to
>share between them or is there a fundamental misunderstanding on my side?

I understand your example better now.  Variant A is the option that you want.
You don't need to create a new completion channel, or CQ even, but you will want
separate rdma_cm_id's.  You should be able to use the same MR on both QPs, as
long as they're on the same PD.

- Sean




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