Hi Joseph,
Thanks for this. I'll recompile with --with-debug and see what I get.
The funny thing is that I seem to get the right outputs, but with this
error- I suspect it could happen at MPI_Finalize but I do not see any
obvious problems.
In any case, I am compiling OpenMPI 4.1.0a1 with gcc 6.3.
Hi Joseph,
Thanks for this. I'll recompile with --with-debug and see what I get.
The funny thing is that I seem to get the right outputs, but with this
error- I suspect it could happen at MPI_Finalize but I do not see any
obvious problems.
In any case, I am compiling OpenMPI 4.1.0a1 with gcc 6.3.
Hi Luis,
My first step is usually to configure Open MPI with `--with-debug` and
recompile/install. Then use DDT (or gdb inside an xterm per rank if DDT
is not available and you have X-fowarding on the nodes). When the
segfault happens you at least get proper symbols inside Open MPI that
may h
