Open MPI logo

Open MPI User's Mailing List Archives

  |   Home   |   Support   |   FAQ   |   all Open MPI User's mailing list

Subject: Re: [OMPI users] CP2K mpi hang
From: Ashley Pittman (ashley_at_[hidden])
Date: 2009-05-19 15:37:15


On Tue, 2009-05-19 at 14:01 -0400, Noam Bernstein wrote:

I'm glad you got to the bottom of it.

> With one of them, apparently, CP2K will silently go on if
> the
> file is missing, but then lock up in an MPI call (maybe it leaves
> some
> variables uninitialized, and then uses them in the call to the MPI
> function?).

More likely it takes a different path through the code and ends up
making mis-matched collective calls across processes.

Ashley,