Chris,

I'm doing most of my work on Open MPI on a similar machine (Dual g5 64 bits with 4GB of RAM). I'm using several compiler (gcc as well as IBM). Usually, I'm compiling it with the latest unstable version of gcc/gfortran (directly fetched from subversion). I never noticed this problem. Everything runs smoothly for me. However, last time I update my gcc/gfortran was 3 weeks ago. I will try to update to the latest version and see if I notice something weird.

  Thanks,
    George.

On Jul 5, 2006, at 4:04 PM, Chris Kees wrote:

Hi,

I'm trying to build a 64 bit version of openmpi on a powerpc running Mac OS X 10.4.7 and using a recent snapshot of gcc/g++/ gfortran from the gcc svn repository. The config and build process goes smoothly but the result doesn't pass all the tests. It hans on the opal_if test as well as simply running mpirun -np 1 hostname. The process ramps up the member up to about 3.5G and the machine becomes very sluggish (it has 8G). Has anybody seen this before or had experience building on similar systems?

Chris

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