[MPICH] mpich2 program hangs

[si ceng]

thanks for your kindly reply.
In fact, I can run cpi on both machines.

the machine1 & machine2 is on the same office, the route is only one hop.
It seems other network commands work fine.

>From: "Rajeev Thakur" <thakur at mcs.anl.gov>
>To: "'si ceng'" <siceng1508 at hotmail.com>, <mpich-discuss at mcs.anl.gov>
>Subject: RE: [MPICH] mpich2 program hangs
>Date: Thu, 2 Aug 2007 07:55:23 -0500
>
>This doesn't usually happen. It could even be something wrong with the
>network card/driver on one of the machines. Can you run it on a single
>machine? Can you run it on another pair of machines?
>
>Rajeev
>
> > -----Original Message-----
> > From: owner-mpich-discuss at mcs.anl.gov
> > [mailto:owner-mpich-discuss at mcs.anl.gov] On Behalf Of si ceng
> > Sent: Thursday, August 02, 2007 4:23 AM
> > To: mpich-discuss at mcs.anl.gov
> > Subject: [MPICH] mpich2 program hangs
> >
> > Dear all:
> > I installed mpich2-1.0.5p4 on two machines and tried the example cpi.
> > the two machines are machine1 and machine2.
> > I can run ssh/rsh without password on both machines.
> >
> > when I only use one machine for computation, it returned good result.
> >
> > when I use two machines,
> >
> > my mpd.hosts is:
> > machine1
> > machine2
> >
> > I ran mpdboot -n 2 -f mpd.hosts
> >
> > I ran mpdtrace, the output is :
> > machine1
> > machine2
> >
> > when I ran mpiexec -n 5 examples/cpi:
> > the output is
> > Process 0 of 5 is on machine1
> > Process 2 of 5 is on machine2
> > Process 4 of 5 is on machine1
> > Process 3 of 5 is on machine2
> > Process 1 of 5 is on machine2
> >
> > then the program stop there and no output then.
> > Can anyone help?
> >
> > thanks
> >
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