Hello,
This is quite the odd problem.
1. From prior mails, you do not seem to have iptables running to block
any ports -- is there any other port blocking software running,
perchance?
I do not think so. What can I do to be sure that I do not have any other
port blocking software running?
2. You do seem to be able to run non-MPI apps properly.
3. I assume that you would be able to run "hello world" kinds of MPI apps
ok (i.e., ones that do not include any MPI communication functions
properly). Can you test this, to be sure? There's a "hello world" demo
app in the examples/ subdirectory in the OMPI tarball.
Yes, I can run "hello world" perfectly.
4. What we really need to know is why OMPI's MPI TCP communication is
apparently failing to make a connection between the two nodes. That will
require attaching to the MPI processes with a debugger and seeing why
they're not connecting. We unfortunately haven't had many problems with
this part of the code, so we haven't added too much user- visible
instrumentation...
How can I do to attach the MPI processes with a debugger?
I have used before:
dbx - PID
where
It seems that the results that I have obtained were not very helpful.
Thank you very much.
Sofia
On Sep 25, 2008, at 11:20 AM, Sofia Aparicio Secanellas wrote:
I have tried with two computers linux with the same kernel
(2.6.22-15-generic) and I got the same problem. I do not understand what
happens.
Sofia
----- Original Message ----- From: "Sofia Aparicio Secanellas"
<sapari...@grpss.ssr.upm.es
>
To: "Open MPI Users" <us...@open-mpi.org>
Sent: Wednesday, September 24, 2008 5:53 PM
Subject: Re: [OMPI users] Problem with MPI_Send and MPI_Recv
No , I do not have any ethernet device aliases.
Thank you,
Sofia
----- Original Message ----- From: "Jeff Squyres" <jsquy...@cisco.com>
To: "Open MPI Users" <us...@open-mpi.org>
Sent: Wednesday, September 24, 2008 2:33 PM
Subject: Re: [OMPI users] Problem with MPI_Send and MPI_Recv
You don't happen to have ethernet device aliases on either of these
machines, do you?
(we have a problem with this on the trunk/v1.3 series right now; we
were under the impression that it was working fine in the v1.2
series -- but I figured I'd ask...)
On Sep 24, 2008, at 3:22 AM, Sofia Aparicio Secanellas wrote:
Hello Terry,
I obtain the hostnames of both computers:
pichurra
hpl1-linux
Thank you.
Sofia
----- Original Message ----- From: "Terry Dontje"
<terry.don...@sun.com
>
To: <us...@open-mpi.org>
Sent: Tuesday, September 23, 2008 6:24 PM
Subject: Re: [OMPI users] Problem with MPI_Send and MPI_Recv
Hello Sofia,
Very puzzling indeed. Can your try to run hostname or uptime with
mpirun? That is something like:
mpirun -np 2 --host 10.1.10.208,10.1.10.240 --mca
mpi_preconnect_all 1 --prefix /usr/local -mca btl self,tcp -mca
btl_tcp_if_include eth1 hostname
--td
Date: Tue, 23 Sep 2008 17:05:22 +0200
From: "Sofia Aparicio Secanellas" <sapari...@grpss.ssr.upm.es>
Subject: Re: [OMPI users] Problem with MPI_Send and MPI_Recv
To: "Open MPI Users" <us...@open-mpi.org>
Message-ID: <34D2F769A7C946BF915A828A9CD7F3CC@aparicio1>
Content-Type: text/plain; charset="iso-8859-1"; Format="flowed"
Hello Terry,
Here you can find the files.
Thank you very much.
Sofia
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