[FLASH-USERS] Installing FLASH in an OpenSUSE machine

[Ernesto Zurbriggen]

Hi Gabriel!

>The Sedov case seems to run fine
Are you able to run the Sedov test in parallel making outputs without any
problem? If so, then the problems shouldn't be the MPI and HDF5 libraries.

>My guess is tat the problem is coming from writing the HDF5 file
To test that this may be the problem, you can set up the laser Slab problem
without I/O by adding the setup shortcut +noio
e.g.: *./setup LaserSlab -auto -2d +noio*

>We were wondering whether it is possible that the problem comes from
running FLASH in openSUSE rather than Ubuntu
I don't think so.

Are you using to run the laserSlab problem the hypre library?

Best! Ernesto

On Fri, 26 Aug 2022 at 07:30, Gabriel Pérez Callejo <
gabriel.perez.callejo at uva.es> wrote:

> Hi everyone,
>
> I am currently trying to install FLASH in a cluster that we have at the
> University, and we are running into some problems with which I hoped you'd
> be able to assist. We are using openmpi-4.0.5, hypre-2.11.2 and
> hdf5-1.10.7, on an OpenSUSE 15.2 machine. The Sedov case seems to run fine,
> but when we try to test the LaserSlab example, which requires working in
> parallel, something is failing.
>
> Our problem at the moment, is that we do not even know what is failing.
> The code is not raising an error call, but it simply freezes while running
> the LaserSlab case. It initializes correctly, but right after establishing
> the initial dt, it does not print anything else. It does not stop either,
> it just stays open, but with no CPU use.
>
> My guess is tat the problem is coming from writing the HDF5 file, since
> the next step in the simulation would be to write the initial checkpoint
> file. But I have never run into such issue. We were wondering whether it is
> possible that the problem comes from running FLASH in openSUSE rather than
> Ubuntu (I have it installed in an Ubuntu 18 machine and it works fine).
>
> Would you happen to know how that issue could be solved? Is there anything
> that I can send to make this clearer?
>
> Best wishes,
> --
> *Gabriel Pérez-Callejo*
> Postdoctoral Research Fellow *Margarita Salas*
> Departamento de Física Teórica, Atómica y Óptica
> Universidad de Valladolid
> Valladolid, Spain
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