the LD_LIBRARY_PATH did the trick; thanks so much! Sincerely, Erin
Erin M. Hodgess, PhD Associate Professor Department of Computer and Mathematical Sciences University of Houston - Downtown mailto: hodge...@uhd.edu -----Original Message----- From: users-boun...@open-mpi.org on behalf of Marce Sent: Sat 9/19/2009 3:54 PM To: Open MPI Users Subject: Re: [OMPI users] running open mpi on ubuntu 9.04 2009/9/18 Hodgess, Erin <hodge...@uhd.edu>: > There is no hosts file there originally > I put in > > cat hosts > 127.0.0.1 localhost > > > but still get the same thing > > thanks, > Erin > > erin@erin-laptop:~$ > Erin M. Hodgess, PhD > Associate Professor > Department of Computer and Mathematical Sciences > University of Houston - Downtown > mailto: hodge...@uhd.edu > > > > -----Original Message----- > From: users-boun...@open-mpi.org on behalf of Whit Armstrong > Sent: Fri 9/18/2009 7:36 AM > To: Open MPI Users > Subject: Re: [OMPI users] running open mpi on ubuntu 9.04 > > yes, I had this issue before (we are on 9.04 as well). > it has to do with the hosts file. > > Erin, can you send your hosts file? > > I think you want to make this the first line of your host file: > 127.0.0.1 localhost > > Which Ubuntu, if memory serves defaults to the name of the machine instead > of localhost. > > -Whit > > > On Fri, Sep 18, 2009 at 8:31 AM, Ralph Castain <r...@open-mpi.org> wrote: > >> It doesn't matter - 1.3 isn't going to launch another daemon on the local >> node. >> The problem here is that OMPI isn't recognizing your local host as being >> "local" - i.e., it thinks that the host mpirun is executing on is somehow >> not the the local host. This has come up before with ubuntu - you might >> search the user mailing list for "ubuntu" to see earlier threads on this >> issue. >> >> I forget the final solution, but those earlier threads will explain what >> needs to be done. I'm afraid this is something quite specific to ubuntu. >> >> >> On Sep 18, 2009, at 6:23 AM, Whit Armstrong wrote: >> >> can you "ssh localhost" without a password? >> -Whit >> >> >> On Thu, Sep 17, 2009 at 11:50 PM, Hodgess, Erin <hodge...@uhd.edu> wrote: >> >>> It's 1.3, please. >>> >>> Thanks, >>> >>> Erin >>> >>> >>> Erin M. Hodgess, PhD >>> Associate Professor >>> Department of Computer and Mathematical Sciences >>> University of Houston - Downtown >>> mailto: hodge...@uhd.edu >>> >>> >>> >>> -----Original Message----- >>> From: users-boun...@open-mpi.org on behalf of Ralph Castain >>> Sent: Thu 9/17/2009 10:39 PM >>> To: Open MPI Users >>> Subject: Re: [OMPI users] running open mpi on ubuntu 9.04 >>> >>> I gather you must be running a version of the old 1.2 series? Or are >>> you running 1.3? >>> >>> It does make a difference as to the nature of the problem, and the >>> recommended solution. >>> >>> Thanks >>> Ralph >>> >>> On Sep 17, 2009, at 8:51 PM, Hodgess, Erin wrote: >>> >>> > Dear Open MPI people: >>> > >>> > I'm trying to run a simple "hello world" program on Ubuntu 9.04 >>> > >>> > It's on a dual core laptop; no other machines. >>> > >>> > Here is the output: >>> > erin@erin-laptop:~$ mpirun -np 2 a.out >>> > ssh: connect to host erin-laptop port 22: Connection refused >>> > >>> >>> -------------------------------------------------------------------------- >>> > A daemon (pid 11854) died unexpectedly with status 255 while >>> > attempting >>> > to launch so we are aborting. >>> > >>> > There may be more information reported by the environment (see above). >>> > >>> > This may be because the daemon was unable to find all the needed >>> > shared >>> > libraries on the remote node. You may set your LD_LIBRARY_PATH to >>> > have the >>> > location of the shared libraries on the remote nodes and this will >>> > automatically be forwarded to the remote nodes. >>> > >>> >>> -------------------------------------------------------------------------- >>> > >>> >>> -------------------------------------------------------------------------- >>> > mpirun noticed that the job aborted, but has no info as to the process >>> > that caused that situation. >>> > >>> >>> -------------------------------------------------------------------------- >>> > mpirun: clean termination accomplished >>> > >>> > erin@erin-laptop:~$ >>> > >>> > Any help would be much appreciated. >>> > >>> > Sincerely, >>> > Erin >>> > >>> > >>> > Erin M. Hodgess, PhD >>> > Associate Professor >>> > Department of Computer and Mathematical Sciences >>> > University of Houston - Downtown >>> > mailto: hodge...@uhd.edu >>> > >>> > >>> > _______________________________________________ >>> > users mailing list >>> > us...@open-mpi.org >>> > http://www.open-mpi.org/mailman/listinfo.cgi/users >>> >>> >>> >>> >>> _______________________________________________ >>> users mailing list >>> us...@open-mpi.org >>> http://www.open-mpi.org/mailman/listinfo.cgi/users >>> >> >> _______________________________________________ >> users mailing list >> us...@open-mpi.org >> http://www.open-mpi.org/mailman/listinfo.cgi/users >> >> >> >> _______________________________________________ >> users mailing list >> us...@open-mpi.org >> http://www.open-mpi.org/mailman/listinfo.cgi/users >> > > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users > Can you type us the follow output? > echo $LD_LIBRARY_PATH If this command doesn´t produce any output, you must define the environment variable: export LD_LIBRARY_PATH=/usr/lib/openmpi/lib/ (export LD_LIBRARY_PATH=/usr/lib64/openmpi/lib/ if you have 64 bit distribution) Saludos, _______________________________________________ users mailing list us...@open-mpi.org http://www.open-mpi.org/mailman/listinfo.cgi/users
