Hi Mathieu :-)

yes it's for the case of multi-server (actually single client) option. I will get the source from the git repository master a give it another try.

OK for the debug, I can compile it again in debug but it takes a long time on my little test laptop so I was wondering maybe some other tricky test on the release version ;-) I will let the debug build run this week-end and send a quick report.

By the way, do you plan to support nix packages build in the future for Paraview ? The problem I will encounter now is that Paraview depends on video card driver OpenGL libs so that to get good performances, I will break the nix packages philosophy of being independent from the operating system specific kernel...

Thanks for the answer!

Yves


Le 10/02/2017 à 03:48, Mathieu Westphal a écrit :
Hi Yves !

Do you happen to use the multi-clients/multi-server option ? we recently corrected a bug that sound like yours, will be fixed in ParaView 5.3.
In any case, you may want to try with the last version of paraview master.

In order to debug, the first step would be to build ParaView in Debug, and then run it with a debuger, in order to get a backtrace of the segfault.

Best Regards,

Mathieu Westphal

On Thu, Feb 9, 2017 at 6:09 PM, Yves Rogez <[email protected] <mailto:[email protected]>> wrote:

    Dear Paraview team,

    we are currently studying the opportunity of migrating our
    computing grid environment from "module" system to "nix" packaging
    system (https://nixos.org/). In that purpose, I'm trying to
    compile and pack Paraview 5.2.0 with its dependencies with nix
    packages (https://nixos.org/nixos/packages.html
    <https://nixos.org/nixos/packages.html>).

    To do so, I first installed nixos on a local laptop and give it a
    try. The main issue I encountered was to update my nixos kernel
    with native videocard drivers but OK, that's done. Then using the
    attached nix package script (a slight evolution on paraview 4.0.1
    existing one), I could have packetized 5.2.0 succesfully and it
    runs very well.

    However, I still get an error when I'm trying to use MPI
    functionality. The MPI itself with parallelism works, as I can run
    a auto-MPI session without problem. The issue occurs when
    *servermanager.Disconnect() function is called => Seg fault* with
    no more info... The bad thing is that the Disconnect function is
    called every time I would like to connect to a server (to
    disconnect the built-in one). This is also the case when passing
    the pvserver in command-line argument.

    Do you have an idea of the cause of this seg fault ? Maybe could
    you help me find any useful test to debug this ?

    Thanks in advance for your support,

    Best regards,

    Yves


-- Yves Rogez

    *IPAG*
    /Institut de Planétologie et d'Astrophysique de Grenoble /


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--
Yves Rogez

*IPAG*
/Institut de Planétologie et d'Astrophysique de Grenoble /
Bat D de Physique - BP. 53 - 38041 Grenoble - FRANCE

tel : +33 (0)4 76 63 52 80
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