On Nov 18, 2010, at 7:03 PM, HeeJin Kim wrote: > I'm using Mellanox infiniband network card and trying to run it with openmpi. > The problem is that I can connect and communicate between nodes, but I'm not > sure whether it is in a correct state or not. > > I have two version of openmpi, one is compiled with mca-btl-openib and the > other is without btl-openib.(I checked it in ompi_info)
You should ensure that the version of Open MPI available on all nodes is the same exact version. > And my jobs are running well using the openmpi without btl-openib, > but when I run the exactly same job using openmpi with btl-openmpi, I meet > the following error. > > mlx4: There is a mismatch between the kernel and the userspace libraries: > Kernel does not support XRC. Exiting. At first blush, this sounds like a problem with your OFED installation. You should contact your IB vendor for assistance. -- Jeff Squyres jsquy...@cisco.com For corporate legal information go to: http://www.cisco.com/web/about/doing_business/legal/cri/