Re: [OMPI users] MPI Program hangs when runs on more than one host

Hi Changsheng Thank you very much for your solution. The program runs well now :) Regards. On Tue, Apr 20, 2010 at 3:54 PM, Changsheng Jiang wrote: > I have encountered the same problem too. > > By gdb attached, it's show that the processes are in a loop of (e)poll. > After configuring the netw

Re: [OMPI users] MPI Program hangs when runs on more than one host

I have encountered the same problem too. By gdb attached, it's show that the processes are in a loop of (e)poll. After configuring the network interface in ~/.openmpi/mca-params.conf using btl_tcp_if_include, all hosts work fine. just fyi. Chan

[OMPI users] MPI Program hangs when runs on more than one host

Hi all. I'm just using OpenMPI for few days. I'll try to run a simple MPI program, the program is ProcessColors which I get from CI-Tutor. I have 2 hosts, if I run the program separately on each one, it runs well. However, if I run it on two