Hi Are you also sure that you have the same version of Open-MPI on every machine of your cluster, and that it is the mpicxx of this version that is called when you run your program? I ask because you mentioned that there was an old version of Open-MPI present... die you remove this?
Jody On Mon, Jul 6, 2009 at 3:24 PM, Catalin David<catalindavid2...@gmail.com> wrote: > On Mon, Jul 6, 2009 at 2:14 PM, Dorian Krause<doriankra...@web.de> wrote: >> Hi, >> >>> >>> //Initialize step >>> MPI_Init(&argc,&argv); >>> //Here it breaks!!! Memory allocation issue! >>> MPI_Comm_size(MPI_COMM_WORLD, &pool); >>> std::cout<<"I'm here"<<std::endl; //this statement is never reached >>> MPI_Comm_rank(MPI_COMM_WORLD, &myid); >>> >>> When trying to debug via gdb, the problem seems to be: >>> >>> Program received signal SIGSEGV, Segmentation fault. >>> 0xb7524772 in ompi_comm_invalid (comm=Could not find the frame base >>> for "ompi_comm_invalid".) at communicator.h:261 >>> 261 communicator.h: No such file or directory. >>> in communicator.h >>> >>> which might indicate a problem with paths. For now, my LD_LIBRARY_PATH >>> is set to "/users/cluster/cdavid/local/lib/" (the local folder in my >>> home folder emulates the directory structure of the / folder). >>> >> >> and your PATH is also okay? (I see that you use plain mpicxx in the build) >> ... >> > > Hi again! > > This is the output of some commands in the terminal: > > cdavid@denali:~$ which mpicxx > ~/local/bin/mpicxx > cdavid@denali:~$ echo $PATH > /users/cluster/cdavid/local/bin:/usr/kerberos/bin:/usr/local/bin:/bin:/usr/bin:/usr/X11R6/bin:/opt/scali/bin:/opt/scali/sbin:/opt/scali/contrib/pbs/bin:/users/cluster/cdavid/bin > cdavid@denali:~$ echo $LD_LIBRARY_PATH > /users/cluster/cdavid/local/lib/ > cdavid@denali:~$ locate communicator.h > cdavid@denali:~$ > > I don't see anything wrong with the path (I added the first part in > order to make it look there first). I even tried adding > "-L/users/cluster/cdavid/local/lib -lmpi > -I/users/cluster/cdavid/local/include" to the compiler invocation, in > hope of an improvement. So far, nothing. > > Regards, > > Catalin > > > -- > > ****************************** > Catalin David > B.Sc. Computer Science 2010 > Jacobs University Bremen > > Phone: +49-(0)1577-49-38-667 > > College Ring 4, #343 > Bremen, 28759 > Germany > ****************************** > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users >
