Re: [OMPI users] call to fork() error

2012-05-10 Thread Don Armstrong
On Thu, 10 May 2012, Jim Maas wrote: > I'm getting the following error when running an open-mpi job on a > LSF cluster using a new version of R 2.15. I didn't get the error > message when running previously using R 2.13. Could anyone point me > to the possible cause, or how to find the offending co

Re: [OMPI users] call to fork() error

2012-05-10 Thread Jeff Squyres
I'm afraid I don't know the inner workings of R at all. They must have changed something between 2.13 and 2.15 such that they're now calling fork() after MPI_Init()... The problem is that OpenFabrics-based networks do things that make fork()... unstable (for lack of a longer description). Tha

[OMPI users] call to fork() error

2012-05-10 Thread Jim Maas
I'm getting the following error when running an open-mpi job on a LSF cluster using a new version of R 2.15. I didn't get the error message when running previously using R 2.13. Could anyone point me to the possible cause, or how to find the offending code? I'm not a sysop, just a user. Th