[mpich-discuss] CPI test fails under Fedora 10

[Anthony Chan]

----- "peter raeth" <peter_raeth at juno.com> wrote:

> Tried mpicxx with a program that does not use MPI and that program
> runs fine. If I take the MPI cpi executable from the Fedora 9
> installation, that executable runs fine under Fedora 10. That file was
> built using mpicxx. If I build that same source using mpicxx under
> Fedora 10, the program builds fine but will not execute. It fails upon
> trying to run MPI_Init with an illegal instruction error.

"Illegal instruction" could be caused by incompatible binary, e.g. linking
32bit object file with 64bit MPICH2 libraries or running a 64bit binary on
a 32bit machine.

> Something I want to try is the Fedora 9 mpicxx resulting command line
> (from -show) in Fedora 10 since that line is different from the one
> Fedora 10 is using.
> Thank you Pavan for looking into this.
> Best,
> Peter.