Fabric Connect Fails with Chelsio from Windows Host

[Sagi Grimberg]

> Hi all,
> 
> I have written a Windows application to test NVMe over RDMA with
> Chelsio RNICs in host and target.
> When I issue the fabric connect command from host, target fails in
> nvmet_rdma_map_sgl_keyed( ) with Status code 0x6 (Internal error). And
> RDMA connect command working fine.
> 
> I have tried the same application with Mellanox RNICs, and connect is
> working fine. Also I have tired with the linux host and linux target,
> fabric connect command working fine.
> 
> Has anybody tested the linux NVMe over RDMA stack with Chelsio RNIC?

I think Steve Wise have.

As I see it, this probably related to the rdma_rw_ctx that involves MRs.
Are you able to add some logging prints to your system?