[mvapich-discuss] Re: vbuf registration

[Brian Budge]

Hi again -

It looks as though this problem was due to the fact that I am running zsh as
my shell, and so my unlimit commands weren't being executed because with zsh
the .zshrc file isn't loaded with MPI, I believe it's loading the .zshenv
file instead.

Thanks,
  Brian

On Jan 8, 2008 9:37 AM, Brian Budge <brian.budge at gmail.com> wrote:

> Hi all -
>
> My program is running near to completion, and then dies, complaining:
>
> [vbuf.c 184] Cannot register vbuf region
> rank 1 in job 13  burn_40823   caused collective abort of all ranks
>   exit status of rank 1: killed by signal 9
>
> I can run several of the osu benchmarks without any problem.
>
> Addtionally, when I run my app without MPI, I can use mmap with the
> MAP_LOCKED flag, but when I run with MPI, the first mmap with MAP_LOCKED
> fails, saying that some resources weren't available.  If I remove the
> MAP_LOCKED flag, I successfully mmap.
>
> These issues may or may not be related (ie. maybe my locked limit is
> magically reduced when I run using MPI, and mlock is used in conjunction
> with vbuf registration?).
>
> Thanks,
>   Brian
>
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