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Hi Jeff,<br>
<br>
It really sounds like you are unintentionally using X forwarding. It
could be baked into your ssh config or a bash alias.<br>
<blockquote type="cite">I see the window with the gears</blockquote>
if you are really doing remote rendering, you won't see the window.<br>
<br>
you may be able to confirm accidental X forward using ssh with -vv
option. there would be a bunch of X connection messages if it was in
use.<br>
<br>
also output of glxinfo may have some useful info. When I have remote
rendering setup I see<br>
<blockquote>name of display: :0.0<br>
display: :0 screen: 0<br>
direct rendering: Yes<br>
</blockquote>
with ssh -X<br>
<blockquote>name of display: localhost:10.0<br>
display: localhost:10 screen: 0<br>
direct rendering: No (If you want to find out why, try setting
LIBGL_DEBUG=verbose)<br>
</blockquote>
Burlen<br>
<br>
<div class="moz-cite-prefix">On 05/22/2015 12:10 PM, Jeff Becker
wrote:<br>
</div>
<blockquote cite="mid:555F7F22.5030702@nasa.gov" type="cite">On
05/22/2015 07:28 AM, Utkarsh Ayachit wrote:
<br>
<blockquote type="cite">Jeff,
<br>
<br>
Can you make sure the "Remote Render Threshold" is set to 0?
<br>
</blockquote>
It is
<br>
<blockquote type="cite">
<br>
Also, do you have an X server running (and accessible) on the
backend
<br>
nodes? You're not using "ssh -X" to login to the backend nodes,
right?
<br>
</blockquote>
<br>
I do start an X server on the backend (and I don't use ssh -X).
However, when I test the configuration using glxgears,
<br>
I see the window with the gears but they don't turn even though
the app tells me how many frames
<br>
it rendered every 5 seconds.
<br>
<br>
My setup goes from my desktop (with GPU) through a front-end node
(without GPU) to the backend (with GPU). Maybe some additional
configuration is needed.
<br>
<br>
It seems like I need to get glxgears working properly before I try
Paraview. What should I try? Thanks.
<br>
<br>
-jeff
<br>
<blockquote type="cite">
<br>
On Thu, May 21, 2015 at 4:54 PM, Jeff Becker
<a class="moz-txt-link-rfc2396E" href="mailto:jeffrey.c.becker@nasa.gov"><jeffrey.c.becker@nasa.gov></a> wrote:
<br>
<blockquote type="cite">Hi. I created a VTK unstructured grid
(.vtu) file for a 500 by 500 by 500
<br>
point data set. In order to visualize it, I fire up 8
pvservers on my GPU
<br>
multicore backend node using:
<br>
<br>
mpirun -np 8 pvserver --client-host=XXX
--use-offscreen-rendering
<br>
<br>
and connect to the root server from my ParaView client. I then
open my vtu
<br>
file and hit apply, I can see the file gets read in, and then
nothing much
<br>
else happens except X on my client grows to fill all of
memory, and my
<br>
client system (my desktop) becomes unusable. I'm guessing that
the client is
<br>
getting overwhelmed with X requests.
<br>
<br>
What am I doing wrong, and how to fix?
<br>
<br>
Thanks.
<br>
<br>
-jeff
<br>
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