[ewg] Re: [ofa-general] ofed--1.3 rdma_connect problems

[Steve Wise]

Looks like the following commit exposed a bug in the chelsio driver. 
iw_cxgb3 was _not_ setting the max_qp_init_rd_atom attribute.

> commit 487a52078fe1ba322273a6b893d31e0caaa69a57
> Author: Sean Hefty <sean.hefty at intel.com>
> Date:   Tue Oct 16 14:59:21 2007 -0700
> 
>     librdmacm/cma: provide sanity checks for max outstanding rdma ops
> 
>     Ensure that the responder_resources and initiator_depth values
>     provided by the user are supported by the local hardware.  This
>     traps errors sooner during connection establishment (when calling
>     rdma_connect), rather than waiting until the modify QP fails
>     (after calling rdma_accept).
> 
>     Signed-off-by: Sean Hefty <sean.hefty at intel.com>


I've opened bug 777 to fix this.  Tziporet/Vlad, can we get this in 
beta?  I will provide a patch shortly.


Steve.



Steve Wise wrote:
> Sean,
> 
> I'm testing iwarp usermode on ofed-1.3 and I always get a -22 error from 
> rdma_connect(). I tried rping and a home brew unit test program and bot 
> this this error.  I'm diving in now to see who's returning it, but 
> wanted to give you a heads up...
> 
> Stay tuned...
> 
> Steve.
> 
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