Re: [OMPI users] Need help resolving No route to host error with OpenMPI 1.1.2

2008-09-12 Thread Eric Thibodeau
Prasanna, Please send me your /etc/make.conf and the contents of /var/db/pkg/sys-cluster/openmpi-1.2.7/ You can package this with the following command line: tar -cjf data.tbz /etc/make.conf /var/db/pkg/sys-cluster/openmpi-1.2.7/ And simply send me the data.tbz file. Thanks, Eric Prasa

Re: [OMPI users] Need help resolving No route to host error with OpenMPI 1.1.2

2008-09-12 Thread Prasanna Ranganathan
Hi, I did make sure at the beginning that only eth0 was activated on all the nodes. Nevertheless, I am currently verifying the NIC configuration on all the nodes and making sure things are as expected. While trying different things, I did come across this peculiar error which I had detailed in o

Re: [OMPI users] Need help resolving No route to host error with OpenMPI 1.1.2

2008-09-12 Thread Matt Hughes
Hi Prasanna, do you have any unusual ethernet interfaces on your nodes? I have seen similar problems when using IP over Infiniband. I'm not sure exactly why, but mixing interfaces of different types (ib0 and eth0 for example) can sometimes cause these problems, possibly because they are on differe

Re: [OMPI users] Need help resolving No route to host error with OpenMPI 1.1.2

2008-09-12 Thread Prasanna Ranganathan
Hi, I have verified the openMPI version to be 1.2.7 on all the nodes and also ompi_info | grep thread is Thread support: posix (mpi: no, progress: no) on these machines. I get the error with and without -mca oob_tcp_listen_mode listen_thread. Sometimes, the startup takes too long with the liste

Re: [OMPI users] Need help resolving No route to host error with OpenMPI 1.1.2

2008-09-12 Thread Jeff Squyres
On Sep 11, 2008, at 6:29 PM, Prasanna Ranganathan wrote: I have tried the following to no avail. On 499 machines running openMPI 1.2.7: mpirun -np 499 -bynode -hostfile nodelist /main/mpiHelloWorld ... With different combinations of the following parameters -mca btl_base_verbose 1 -mca btl_b