>You can usually resolve that by configuring with --disable-dlopen Ok I will try. So what is the purpose of enabling dlopen? Why dlopen is not disabled by default. I mean why high traffic configuration is enabled by default?
Regards, Mahmood ________________________________ From: Ralph Castain <r...@open-mpi.org> To: Mahmood Naderan <nt_mahm...@yahoo.com> Sent: Thursday, October 25, 2012 8:55 PM Subject: Re: [OMPI users] running openmpi in debug/verbose mode Sorry - we're all a tad busy with deadlines for the Supercomputing conference :-( You are probably running into trouble due to dlopen pulling files across the network. You can usually resolve that by configuring with --disable-dlopen. On Oct 25, 2012, at 11:51 AM, Mahmood Naderan <nt_mahm...@yahoo.com> wrote: I sent a problem to the list but didn't receive any reply. In short, we found > >that when we run openmpi+openfoam program on a node (in a diskless cluster), > >there is a huge IO operations caused by openmpi. When we run openmpi+openfoam >on the server, there is no problem. When we run openfoam directly on the node, >there is also no problem. > > >Now I am looking for some verbose/debug outputs from openmpi which > >shows the activity of it (in particular IO messages for example opening file1 > >or closing file2...). > > >Can I extract such messages? > > >Regards, >Mahmood > > > > >________________________________ > From: Ralph Castain <r...@open-mpi.org> >To: Mahmood Naderan <nt_mahm...@yahoo.com>; Open MPI Users ><us...@open-mpi.org> >Sent: Thursday, October 25, 2012 8:44 PM >Subject: Re: [OMPI users] running openmpi in debug/verbose mode > > >There is a *ton* of debug output available - would help to know what you are >attempting to debug > > > > >On Oct 25, 2012, at 11:38 AM, Mahmood Naderan <nt_mahm...@yahoo.com> wrote: > > >> >>Dear all, >>Is there any way to run openmpi in debug or verbose mode? Is there any log >>for openmpi run? >> >>Regards, >>Mahmood >>_______________________________________________ >>users mailing list >>us...@open-mpi.org >>http://www.open-mpi.org/mailman/listinfo.cgi/users > > >