As you surmised, it looks like your "btl" parameter is being set
somewhere, and it excludes the openib BTL.
Check out this FAQ entry:
http://www.open-mpi.org/faq/?category=tuning#setting-mca-params
On Jun 17, 2008, at 10:49 AM, SLIM H.A. wrote:
Hi
OpenMPI does not pick up the infinib
Hi
OpenMPI does not pick up the infiniband component on our nodes with
Mellanox cards:
ompi_info --param btl openib
returns
MCA btl: parameter "btl_base_debug" (current value: "0")
If btl_base_debug is 1 standard debug is output, if > 1 verbose
debug is output
MCA btl: parameter "btl"
