[mpich-discuss] Error in running basic mpi examples with mpich2

[Pavan Balaji]

Hello,

On 05/08/2011 02:13 AM, adesh keremane wrote:
> After the setup, while running cpi from the examples, I hit the
> following error.
> $ mpiexec -n 5 -f examples/machinefile
> /home/hrishi/mpich2-1.3.2p1/examples/cpi
> Process 0 of 5 is on hrishi-lxp.netapp.com <http://hrishi-lxp.netapp.com>
> Process 1 of 5 is on hrishi-lxp.netapp.com <http://hrishi-lxp.netapp.com>
> Process 2 of 5 is on hrishi-lxp.netapp.com <http://hrishi-lxp.netapp.com>
> Fatal error in PMPI_Reduce: Other MPI error, error stack:
> PMPI_Reduce(1322)...............: MPI_Reduce(sbuf=0xbf836810,

What does your examples/machinefile contain? Looks like the first three 
entries are hrishi-lxp.netapp.com and the next few entries contain a 
host which is not accessible (maybe a network setup issue).

  -- Pavan

-- 
Pavan Balaji
http://www.mcs.anl.gov/~balaji