[openib-general] RDMA write with immediate
jjengla at sandia.gov
Thu Jun 23 10:54:39 PDT 2005
On Thu, 2005-06-23 at 08:58 -0700, Roland Dreier wrote:
> Josh> I get a completion with failed status 13.
> Josh> Again, this works just fine with IBV_WR_RDMA_WRITE. I'm
> Josh> using 126.96.36.199 with SVN rev 2606. I'll update stuff and
> Josh> try again.
> status 13 is "RNR retries exceeded." This means that the remote side
> did not have a receive ready to handle this work request.
> What are you trying to do here? The between RDMA write and RDMA write
> with immediate operations is sending immediate data consumes a receive
> request on the remote system and generates a completion with the
> immediate data. So you need to post a receive to handle RDMA write
> with immediate but not regular RDMA write.
There's my problem. I was just polling on the receive buffer
before...not posting a receive.
> Did you modify your app to post the receive here?
I'll do that. Thanks,
> - R.
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