Re: [OMPI devel] Debuging MPI process

2018-10-10 Thread Thananon Patinyasakdikul
Yuval, Please refer to our debugging guide here: https://www.open-mpi.org/faq/?category=debugging As for me, I always use gdb attach (number 6 on the guide). You also want to compile Open MPI in debug build by configure flag —enable-debug. Ar

[OMPI devel] Debuging MPI process

2018-10-10 Thread Yuval Shaia
Hello, I'm currently working on a new RDMA device so that it will work with Open MPI platform. During my work i came to a point where the program crashes but leaves not enough information for me to find the root cause. I tried to run gdb with the command line (mpirun -np 2 ring_c) but obviously t