Re: [OMPI users] fork() warning message

2012-05-16 Thread Ralph Castain
We've had a few reports of this - it looks like someone made a change to R that can cause problems. Basically, the open fabrics driver for Infiniband doesn't support "fork" operations - it can lead to memory corruption issues if you inadvertently do the "wrong thing" at some point after the

[OMPI users] fork() warning message

2012-05-16 Thread Jim Maas
I'm getting the following error with a new version of R, using Rmpi and a few other modules. I've already had a couple of good suggestions from this group about how to diagnose the cause of the fork error using "strace" but we don't have it on our LSF Linux cluster. This is my first use of