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Subject: Re: [OMPI users] IMB-OpenMPI on Centos 6
From: Beat Rubischon (beat_at_[hidden])
Date: 2012-02-27 05:38:59

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Hello!

On 27.02.12 08:10, Venkateswara Rao Dokku wrote:
> Our's is a customized OFED stack[Our own Driver specific library and
> Kernel drivers for the h/w], we use IMB tests for testing the same.

> All the tests [PingPong, Exchange.. etc] stalls after some time with
> no errors.

I found similar issues with a MLNX_OFED_LINUX-1.5.3 on top of RHEL6.2.
So far I found a note in the HP documentation [1] about a buggy mlx4
driver introduced in OFED 1.5.3. The workaround seems to help OpenMPI
1.5.x too, but still not perfect stable.

        [1]
http://h10025.www1.hp.com/ewfrf/wc/document?cc=us&lc=en&dlc=en&tmp_geoLoc=true&docname=c03113904

HTH
Beat

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