Utkarsh,

When I do an ldd pvbatch appears to be using the correct libraries GL libraries (I am building agains mesa-7.0.4, could it be that my version of mesa is too old). I ran the following test:

bash-3.2$ echo $DISPLAY
:0.0
bash-3.2$ unset DISPLAY
bash-3.2$ echo $DISPLAY

bash-3.2$ mpirun -np 4 pvbatch --use-offscreen-rendering testParallelRender.py
: cannot connect to X server
--------------------------------------------------------------------------
mpirun has exited due to process rank 0 with PID 4770 on
node ls08270-l.arl.army.mil exiting without calling "finalize". This may
have caused other processes in the application to be
terminated by signals sent by mpirun (as reported here).
--------------------------------------------------------------------------

When I have DISPLAY set it works perfectly.

Thanks,
Carrie

Utkarsh Ayachit wrote:
Carrie,

I just tried it with CVS ParaView and I could not reproduce it. Can
you reproduce this when running on a single node? Try running ldd on
pvbatch, is it getting the right OpenGL libraries?

Utkarsh

On Wed, Apr 7, 2010 at 9:40 AM, Utkarsh Ayachit
<[email protected]> wrote:
That sounds fishy, let me take a look. I'll get back to you.

Utkarsh

On Wed, Apr 7, 2010 at 8:06 AM, Carrie E. Spear (Cont, CISD/ARL)
<[email protected]> wrote:
Good Morning,

I am currently having issues with paraview-3.8.0 and paraview-3.9.0 when
trying to use pvbatch and offscreen rendering. When I run with my DISPLAY
variable set, I don't have any issues, when the DISPLAY variable is not set
it fails with the "cannot connect to X server error". I have built paraview
with the following flags to support the offscreen rendering capabilities:

OPENGL_INCLUDE_DIR
OPENGL_gl_LIBRARY
OPENGL_glu_LIBRARY
OPENGL_xmesa_INCLUDE_DIR
OSMESA_INCLUDE_DIR
OSMESA_LIBRARY
VTK_OPENGL_HAS_OSMESA=ON
VTK_USE_OFFSCREEN=ON
VTK_USE_DISPLAY=OFF

I have built paraview-3.6.2 with these flags and the pvbatch offscreen
rendering works perfectly without the DISPLAY variable being set, the same
does not work for 3.8.0 and 3.9.0. Am I missing a new flag for these
packages? The mesa version I am using is 7.0.4.

The pvbatch command I am running is:
mpirun -np 4 pvbatch --use-offscreen-rendering testParallelRender.py

Thanks in advance for your help,
Carrie

--
Carrie Spear
Software Engineer
Lockheed Martin / Army DoD Supercomputing Resource Center
Aberdeen Proving Ground, MD 21005
Phone:   410-278-9976
Email: [email protected]

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--
Carrie Spear
Software Engineer
Lockheed Martin / Army DoD Supercomputing Resource Center
Aberdeen Proving Ground, MD 21005
Phone:   410-278-9976
Email: [email protected]

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