[libfabric-users] Libfabric : Facing issues with FI_VERSION(1, 5) in fi_getinfo()

[Ilango, Arun]

Subhadeep,

Can you run your program with FI_LOG_LEVEL=info and share the logs?

Thanks,
Arun.

From: Hefty, Sean
Sent: Tuesday, February 20, 2018 9:05 AM
To: Subhadeep Bhattacharya <sb17v at my.fsu.edu>; Ilango, Arun <arun.ilango at intel.com>
Cc: Gladkov, Dmitry <dmitry.gladkov at intel.com>; libfabric-users at lists.openfabrics.org
Subject: RE: Libfabric : Facing issues with FI_VERSION(1, 5) in fi_getinfo()

Copying the verbs maintainers and libfabric-users list.  I think the most common problem is selecting IP addresses that are associated with IPoIB devices.

Btw, you may want to look at the fi_tostr() function for printing libfabric structures, bitmasks, etc.

- Sean

From: Subhadeep Bhattacharya [mailto:sb17v at my.fsu.edu]
Sent: Monday, February 19, 2018 9:01 AM
To: Hefty, Sean <sean.hefty at intel.com<mailto:sean.hefty at intel.com>>
Subject: Libfabric : Facing issues with FI_VERSION(1, 5) in fi_getinfo()

Hi Sean,

I am trying to work with Libfabric in our cluster but currently facing some issues. While checking the 'fi_info' with the provider as 'verbs', I am getting verbs provider for the current node.

[cid:image001.png at 01D3AA38.2122B6D0]

I have installed 'v1.5.3' in our cluster and trying to write some code using Libfabric. But I am getting only 'sockets' as provider when giving FI_VERSION(1, 5) in fi_getinfo() function. I want to use verbs provider but the fi_getinfo is not returning it. Please find the images below for more details-

[cid:image002.png at 01D3AA38.2122B6D0]

[cid:image003.png at 01D3AA38.2122B6D0]

If I give FI_VERSION(1, 4), I am getting verbs also as provider.

[cid:image004.png at 01D3AA38.2122B6D0]

[cid:image005.png at 01D3AA38.2122B6D0]


Can you please clarify if I am doing anything wrong. It would be really great if you please mention how to resolve this issue.


Thanks and Regards,
Subhadeep

Graduate Research Assistant
Computer Architecture and SysTems Research Lab (CASTL)
Florida State University






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