[mpich-discuss] halt after mpiexec

[chan at mcs.anl.gov]

----- "Yi Gao" <gaoyi.cn at gmail.com> wrote:

> mpiexec -l -n 3 /tmp/gth818n/mpich2-1.2.1/example/cpi # !!!!!!!! it
> halted there.
...
> MPIU_SHMW_Seg_create_attach_templ(671): open failed - No such file or
> directory
> rank 3 in job 12  rome_39209   caused collective abort of all ranks
>   exit status of rank 3: return code 1

/tmp is a local file system. Your MPI program, cpi, should be located
in a shared file system (or copied to the same location on each machine's
local file system).

A.Chan