[ewg] bug 1918 - openmpi broken due to rdma-cm changes

Steve Wise swise at opengridcomputing.com
Fri Feb 5 09:08:13 PST 2010


Sean Hefty wrote:
>> My concern is breaking an existing working OpenMPI in a point release
>> because we changed semantics of the rdma-cm in an ofed point release...
>>     
>
> OFED can call this release a point release, but in reality, the content makes it
> a major release...
>
>   
>> BTW:  Was this change an artifact of rebasing ofed-1.5.1 on a new kernel
>> version?
>>     
>
> apparently
>
>   

Well as it stands now:  OpenMPI on ofed-1.5.1 is broken for IB if they 
use the rdma-cm for connection setup, and all IW clusters which require 
the rdma-cm connect method. 




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