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I suppose one initial question is: what version of Open MPI are you
running? OMPI 1.3 should not be attempting to ssh a daemon on a local
job like this - OMPI 1.2 -will-, so it is important to know which one
we are talking about.
Just do "mpirun --version" and it should tell you.
On Mar 4, 2009, at 1:09 PM, Jeff Squyres wrote:
> Sorry for the delay in replying; the usual INBOX deluge keeps me
> from being timely in replying to all mails... More below.
> On Feb 24, 2009, at 6:52 AM, Jovana Knezevic wrote:
>> I'm new to MPI, so I'm going to explain my problem in detail
>> I'm trying to compile a simple application using mpicc (on SUSE 10.0)
>> and run it - compilation passes well, but mpirun is the problem.
>> So, let's say the program is called 1.c, I tried the following:
>> mpicc -o 1 1.c
>> (and, just for the case, after problems with mpirun, I tried the
>> following, too)
>> mpicc --showme:compile
>> mpicc --showme:link
>> mpicc -I/include -pthread 1.c -pthread -I/lib -lmpi -lopen-rte
>> -lopen-pal -ldl -Wl,--export-dynamic -lnsl -lutil -lm -ldl -o 1
>> Both versions (wih or without flags) produced executables as expected
>> (so, when I write: ./1 it executes in expected manner),
>> but when I try this:
>> mpirun -np 4 ./1,
>> it terminates giving the following message:
>> ssh: (none): Name or service not known
>> A daemon (pid 6877) died unexpectedly with status 255 while
>> to launch so we are aborting.
> That's fun; it seems like OMPI is not recognizing localhost properly.
> Can you use the --debug-daemons and --leave-session-attached options
> to mpirun and see what output you get?
> Jeff Squyres
> Cisco Systems
> users mailing list