Is there any chance you can upgrade to Open MPI v1.4? 1.2.x. is fairly ancient.
Upgrading to 1.4.x will fix the "unable to find any HCAs..." warning message.
For the a.out message, however, it is generally easiest to have the executable
available on all nodes in the same filesystem location. F
hello,
we have installed open mpi 1.2 using synaptic package manager in 2 machines
running on ubuntu 8.10 and ubuntu 8.04.the hello.c program runs
correctly,but connectivity_c.c program included in the openmpi tarball
example fails when we it tries to communicate between both computers.also on
the
