| Hi, I'm using call to MPI_Comm_spawn_multiple in a quite big application. I've seen a deadlock occurred in a very strange situation. If I'm running my application on my Ubuntu 12.10 with OpenMPI 1.6.3 there is absolutely no problem. On my Mac OS X 10.8.2 with also OpenMPI 1.6.3, I'm experiencing a dead lock on an intrecommunicator resulting from the MPI_Comm_spawn_multiple only if my ethernet interface is enable. If I disable it, the deadlock is gone. Anyone has an idea of what is happening ? I joined the output of ompi_info on both OS X and Linux. Regards, Valentin ----------------------------------------------------------------------------------------- Valentin Clement - Student trainee at RIKEN AICS Programming Environment Research Team Master thesis project POP-C++ on the K Computer Project homepage: https://forge.tic.eia-fr.ch/projects/poponk Project board: https://forge.tic.eia-fr.ch/projects/poponk/wiki/Wiki ----------------------------------------------------------------------------------------- |
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