This web mail archive is frozen.
This page is part of a frozen web archive of this mailing list.
You can still navigate around this archive, but know that no new mails
have been added to it since July of 2016.
Click here to be taken to the new web archives of this list; it includes all the mails that are in this frozen archive plus all new mails that have been sent to the list since it was migrated to the new archives.
Sorry for the late reply, but many thanks for the bug report and reliable reproducer.
I've confirmed the problem and filed a bug about this:
On Mar 6, 2011, at 6:12 PM, Dominik Goeddeke wrote:
> The attached example code (stripped down from a bigger app) demonstrates a way to trigger a severe crash in all recent ompi releases but not in a bunch of latest MPICH2 releases. The code is minimalistic and boils down to the call
> MPI_Comm_create(MPI_COMM_WORLD, MPI_GROUP_EMPTY, &dummy_comm);
> which isn't supposed to be illegal. Please refer to the (well-documented) code for details on the high-dimensional cross product I tested (on ubuntu 10.04 LTS), a potential workaround (which isn't supposed to be necessary I think) and an exemplary stack trace.
> Instructions: mpicc test.c -Wall -O0 && mpirun -np 2 ./a.out
> users mailing list
For corporate legal information go to: