I hope I'm not too late in my reply, and I hope I'm not repeating the
same solution others have given you.
I had a similar error in a code a few months ago. The error was this: I
think I was doing an MPI_Pack/Unpack to send data between nodes. The
problem was that I was allocating space for a buff
Ouch. These are the worst kinds of bugs to find. :-(
If you attach a debugger to these processes and step through the final death
throes of the process, does it provide any additional insight? I have not
infrequently done stuff like this:
{
int i = 0;
printf("Process %d ready to
Apologies for the vague details of the problem I'm about to describe,
but then I only understand it vaguely. Any pointers about the best
directions for further investigation would be appreciated. Lengthy
details follow:
So I'm "MPI-izing" a pre-existing C++ program (not mine) and have run
into som
