Re: [OMPI devel] mpirun hangs when a task exits with a non zero code

2014-08-29 Thread Ralph Castain
I dug into this a bit and think the patch wasn't quite complete, so I modified the approach to ensure this race condition gets resolved in every scenario. Hopefully, r32643 takes care of it for you. On Aug 29, 2014, at 1:08 AM, Gilles Gouaillardet wrote: >

[OMPI devel] mpirun hangs when a task exits with a non zero code

2014-08-29 Thread Gilles Gouaillardet
Ralph and all, The following trivial test hangs /* it hangs at least 99% of the time in my environment, 1% is a race condition and the program behaves as expected */ mpirun -np 1 --mca btl self /bin/false same behaviour happen with the following trivial but MPI program : #include int main