Re: [OMPI users] Question about mpirun mca_oob_tcp_recv_handler error.

2016-05-16 Thread Ralph Castain
We already do that as a check, but it came after the 1.6 series - and so you get the old error message if you mix with the 1.6 series or older versions. > On May 16, 2016, at 8:22 AM, Gilles Gouaillardet > wrote: > > or this could be caused by a firewall ... > v1.10 and earlier uses tcp for o

Re: [OMPI users] Question about mpirun mca_oob_tcp_recv_handler error.

2016-05-16 Thread Gilles Gouaillardet
or this could be caused by a firewall ... v1.10 and earlier uses tcp for oob, from v2.x, unix sockets are used detecting consistent version is a good idea, printing them (mpirun, orted and a.out) can be a first step. my idea is mpirun invokes orted with '--ompi_version=x.y.z' orted checks it is

Re: [OMPI users] Question about mpirun mca_oob_tcp_recv_handler error.

2016-05-16 Thread Dave Love
Ralph Castain writes: > This usually indicates that the remote process is using a different OMPI > version. You might check to ensure that the paths on the remote nodes are > correct. That seems quite a common problem with non-obvious failure modes. Is it not possible to have a mechanism that c

Re: [OMPI users] Question about mpirun mca_oob_tcp_recv_handler error.

2016-05-11 Thread Gilles Gouaillardet
/2016/05/29160.php> * *Previous message:* Gus Correa: "Re: [OMPI users] No core dump in some cases" <https://www.open-mpi.org/community/lists/users/2016/05/29158.php> * *In reply to:* lzfneu: "[OMPI users] Question about mpirun mca_oob_tcp_recv_handler error."

Re: [OMPI users] Question about mpirun mca_oob_tcp_recv_handler error.

2016-05-10 Thread lzfneu
path and add it to .bashcr file. However, the results with no effect. [user@localhost ~]$ which mpirun/usr/lib64/openmpi/bin/mpirun Any idea and thanks in advance! Subject: Re: [OMPI users] Question about mpirun mca_oob_tcp_recv_handler error. From: Ralph Castain (rhc_at_[hidden]) Date: 2016-05-10

Re: [OMPI users] Question about mpirun mca_oob_tcp_recv_handler error.

2016-05-10 Thread Ralph Castain
This usually indicates that the remote process is using a different OMPI version. You might check to ensure that the paths on the remote nodes are correct. On Tue, May 10, 2016 at 8:46 AM, lzfneu wrote: > Hi everyone, > > I have a problem to consult you, when I cd to the /examples folder > cont

[OMPI users] Question about mpirun mca_oob_tcp_recv_handler error.

2016-05-10 Thread lzfneu
Hi everyone, I have a problem to consult you, when I cd to the /examples folder contained in the openmpi-1.8.4 package, and test the hello_c example program with mpirun command errors occured: Here are the command and the error messages in details: [user@localhost examples]$ mpirun -np 2 hello