I am running Ubuntu 8.04 with the CUDA 2.0 toolkit and driver version 177.73 with openMPI. With this configuration, everything works fine and I am able to compile and execute mpi code by simply replace g++/gcc with mpic++ in common.mk.
My issue is that when I try to upgrade my driver to version 180.22 (to get support for my new 295 cards) I get immediate segmentation fault with even the most trivial programs (empty int main). This problem happens only when I am compiling with the CUDA template. Other programs which are compiled with only the mpic++ command line run fine and when I go back to driver v177.73, everything works again. This issue occurs with nearly identical software config on 5 different workstation with different mobo/CPU, chipset, and graphics cards.
has anyone had this issue in the past… I suspect that there may be a compiler flag that I can pass to fix this issue, but that is way outside my pay rate. I have found that things compile and run if I switch to mpich and the mpicc wrapper.