Hello, > In Debian, we are in the process of switching the default MPI > implementation from version 1.4 to 1.6. > > Every architectures are fine beside ia64. Any program based on OpenMPI > 1.6.5 is freezing. > > With a basic test case: > MPI_Init(NULL, NULL); > MPI_Finalize(); > > mpirun -c 4 foo > => freeze > The backtrace does not show anything. > > Does it ring a bell to anyone ?
Do you observe this on a single machine or via a network? I suggest editing your nodes list to identify the hosts that make problems. I also experienced the freeze for heterogeneous setups of 1.4 and 1.6 versions. In a homogeneous setup, the direct execution e.g. of "hostname" always works. But there is something that I have done to a prior working homogeneous 1.6 setup across three nodes that now freezes when I execute GROMACS' mdrun, if a single particular node is allowed to contribute. Steffen -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
