[ewg] Re: [ofa-general] how do I use uDAPL with iWARP?

Joshua Bernstein jbernstein at penguincomputing.com
Wed Apr 2 19:58:44 PDT 2008


Have you checked to make sure the right user space end points are  
available in /sys?

Does using strace give you any hints?

-Josh

On Apr 2, 2008, at 4:28 PM, Scott Weitzenkamp (sweitzen) wrote:
>>> I tried that, and it didn't work:
>>>
>>> [root at svbu-qa2950-1 ~]# grep eth /etc/dat.conf
>>> OpenIB-cma u1.2 nonthreadsafe default libdaplcma.so.1 dapl.1.2
>>> "eth2 0"
>>> ""
>>> [root at svbu-qa2950-1 ~]# dtest
>>> 10194 Running as server - OpenIB-cma
>>> 10194 Error dat_ep_create: DAT_INVALID_HANDLE
>>> 10194 Error freeing EP: DAT_INVALID_HANDLE DAT_INVALID_HANDLE_EP
>>
>> Ah, it is using the correct device then. Do you have the rdma_ucm
>> modules loaded?
>
> Yes, I do:
>
> [root at svbu-qa2950-1 ~]# lsmod | grep cm
> rdma_ucm               47232  0
> ib_uverbs              75568  1 rdma_ucm
> rdma_cm                67348  2 rdma_ucm,ib_sdp
> ib_cm                  67496  2 ib_ipoib,rdma_cm
> iw_cm                  43656  1 rdma_cm
> ib_sa                  74632  3 ib_ipoib,rdma_cm,ib_cm
> ib_mad                 70948  5 ib_umad,mlx4_ib,ib_mthca,ib_cm,ib_sa
> ib_core                97664  13
> rdma_ucm,ib_sdp,ib_ipoib,ib_uverbs,ib_umad,iw_c
> xgb3,mlx4_ib,ib_mthca,rdma_cm,ib_cm,iw_cm,ib_sa,ib_mad
> ib_addr                41992  1 rdma_cm



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