<div dir="ltr"><div><div><div><div>Hi Yves !<br><br></div>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.<br></div>In any case, you may want to try with the last version of paraview master.<br><br></div>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.<br><br></div>Best Regards,<br></div><div class="gmail_extra"><br clear="all"><div><div class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr">Mathieu Westphal<br></div></div></div>
<br><div class="gmail_quote">On Thu, Feb 9, 2017 at 6:09 PM, Yves Rogez <span dir="ltr"><<a href="mailto:yves.rogez@univ-grenoble-alpes.fr" target="_blank">yves.rogez@univ-grenoble-alpes.fr</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div bgcolor="#FFFFFF" text="#000000">
<p>Dear Paraview team,</p>
<p>we are currently studying the opportunity of migrating our
computing grid environment from "module" system to "nix" packaging
system (<a class="m_3538402776635204479moz-txt-link-freetext" href="https://nixos.org/" target="_blank">https://nixos.org/</a>). In that purpose, I'm trying to
compile and pack Paraview 5.2.0 with its dependencies with nix
packages (<a class="m_3538402776635204479moz-txt-link-freetext" href="https://nixos.org/nixos/packages.html" target="_blank">https://nixos.org/nixos/<wbr>packages.html</a>). <br>
</p>
<p>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.</p>
<p>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 <b>servermanager.Disconnect()
function is called => Seg fault</b> 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.</p>
<p>Do you have an idea of the cause of this seg fault ? Maybe could
you help me find any useful test to debug this ?</p>
<p>Thanks in advance for your support,</p>
<p>Best regards,</p>
<p>Yves<span class="HOEnZb"><font color="#888888"><br>
</font></span></p><span class="HOEnZb"><font color="#888888">
<br>
<div class="m_3538402776635204479moz-signature">-- <br>
Yves Rogez<br>
<br>
<b>IPAG</b><br>
<em>Institut de Planétologie et d'Astrophysique de Grenoble </em><br>
<br>
</div>
</font></span></div>
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