[libfabric-users] Verb provider to libfabric

Ilango, Arun arun.ilango at intel.com
Tue Apr 5 10:07:21 PDT 2016

Hi Durga,

Can you confirm a few things? Do you see verbs provider getting built? In the configure log you should see the following line:
“configure: verbs provider: include in libfabric”
If verbs is indeed getting built, can you re-run fi_info test with the following environment variable set and send me the output?


From: Libfabric-users [mailto:libfabric-users-bounces at lists.openfabrics.org] On Behalf Of dpchoudh .
Sent: Monday, April 04, 2016 7:07 PM
To: libfabric-users at lists.openfabrics.org
Subject: [libfabric-users] Verb provider to libfabric

Hello all
My machine has 3 network cards:
1. Broadcom GbE (vanilla type, with some offload capability)
2. Chelsion S310 10Gb iWARP
3. Qlogic DDR 4X Infiniband.
With this setup, I built libfabric like this:

./configure --enable-udp=auto --enable-gni=auto --enable-mxm=auto --enable-usnic=auto --enable-verbs=auto --enable-sockets=auto --enable-psm2=auto --enable-psm=auto && make && sudo make install
However, in the built libfabric, I do not see a verb provider, which I'd expect for the iWARP card, at least.

[durga at smallMPI libfabric]$ fi_info
psm: psm
    version: 0.9
    type: FI_EP_RDM
    protocol: FI_PROTO_PSMX
    version: 1.0
    type: FI_EP_DGRAM
    protocol: FI_PROTO_UDP
sockets: IP
    version: 1.0
    type: FI_EP_MSG
    protocol: FI_PROTO_SOCK_TCP
sockets: IP
    version: 1.0
    type: FI_EP_DGRAM
    protocol: FI_PROTO_SOCK_TCP
sockets: IP
    version: 1.0
    type: FI_EP_RDM
    protocol: FI_PROTO_SOCK_TCP

Am I doing something wrong or misunderstanding how libfabric works?
Thanks in advance

We learn from history that we never learn from history.
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