Re: [OMPI users] MPI_BCast problem on multiple networks.

2008-07-31 Thread David Robson
Sorry I should have given the version number. I'm running openmpi-1.2.4 on Fedora Core 6 Dave Adrian Knoth wrote: On Thu, Jul 31, 2008 at 03:26:09PM +0100, David Robson wrote: It also works if I disable the private interface. Otherwise there are no network problems. I can ping any host

Re: [OMPI users] MPI_BCast problem on multiple networks.

2008-07-31 Thread Adrian Knoth
On Thu, Jul 31, 2008 at 03:26:09PM +0100, David Robson wrote: > It also works if I disable the private interface. Otherwise there > are no network problems. I can ping any host from any other. > openmpi programs without MPI_BCast work OK. Weird. > Has any seen anything like this, or have any i

[OMPI users] MPI_BCast problem on multiple networks.

2008-07-31 Thread David Robson
Dear OpenMPI users I have a problem with openmpi codes hanging in MPI_BCast ... All our nodes are connected to one LAN. However, half of them also have an interface to a second private LAN. If the first openMPI process of a job starts on one of the dual-homed nodes, and a second process fr