[MPICH] core dumps MPICH & Linux

[Wolfram Brenig]

Hi Martin,

Bingo! That was right on the money.

I have my core dumps now.

Have a nice day,
Wolfram


Martin Siegert wrote:
> Hi Wolfram,
> 
> if you are using mpd daemons, the mpi programs are actually children
> of the mpd process. Hence, the limits set for mpd are inherited by
> the mpi processes. These can be different from limits set for the
> shell.
> 
> I got bitten by this when starting the mpd daemons by root at boot
> time. As a consequence all mpi processes had the limits set for the
> root account. Since SuSE sets a very small stacksize for root many
> MPI programs were crashing because they ran into that stacksize
> limit. The solution was to change the limits in the startup
> script of the mpd daemons.
> 
> I do not know whether something like this is the reason for your
> problems.
> 
> Cheers,
> Martin
>