[Paraview] Problems with Paraview 3.6.1 on cluster (client - server mode)

[Moreland, Kenneth]

Could it be a problem with mismatched libraries?  I notice in the error below that it occurs in /usr/lib/libGL.so.1.  This is a system library.  Did you compile OSMesa yourself?  If so, then you should not be using the system GL libraries; you should be using the libraries that you compiled when you also generated the OSMesa library.

-Ken


On 10/20/09 1:56 AM, "myaccountmail9 myaccountmail9" <myaccountmail9 at gmail.com> wrote:

Hi,
we have a Linux (Debian) cluster without gpu and we have a big problem using Paraview 3.6.1in client - server mode.
The server has been compiled with OSMesa library and following the instructions reported here (in particular the section "OSMesa support"):

http://www.itk.org/Wiki/Setting_up_a_ParaView_Server

If we try to connect the client started with the command:

paraview

and the server, started with the command:

pvserver --use-offscreen-rendering

we must disable the checkbox "Remote rendering threshold" (but this causes bad performances) in the client settings (Edit -> Settings -> Render view -> Server), othervise Paraview crashes after loading a big input or performing some operation such us changing "outline" to "wireframe"...

The error always is (similar to):

ParaView3/Servers/Common/vtkServerConnection.cxx, line 67
vtkServerConnection (0x3182220): Server Connection Closed!

Executing with: 0
*** Process received signal ***
Signal: Segmentation fault (11)
Signal code:  (128)
Failing at address: (nil)
[ 0] /lib/libpthread.so.0 [0x7f4fc6536a80]
[ 1] /usr/lib/libGL.so.1(glBlendFuncSeparateEXT+0x16) [0x7f4fc7bc12e6]
*** End of error message ***
Segmentation fault


This error also occurs if we start client and server logging directly (without any ssh connection) on the master node; on master node X is running and we can execute the test:

mpirun -np 4 /usr/X11R6/bin/glxgears

So, it doen't seem a problem regarding X connection and permission...

Moreover, executing the test:

/ParaView/ParaView-bin$ ctest -I ,,10

we obtain some segmentation fault, but the log file can't give any useful information.

111/475 Testing TestGradientBackground        ***Exception: SegFault
121/475 Testing TestOSConeCxx                 ***Exception: SegFault
131/475 Testing TestTranslucentLUTDepthPeeling***Exception: SegFault
141/475 Testing BoxWidget                     ***Exception: SegFault
151/475 Testing TestParallelopipedWidget      ***Exception: SegFault

..

On our local machine with gpu 100% test passed, and we haven't any problem to connect client and server on that machine.


MPI version is: mpirun (Open MPI) 1.2.7rc2
OSMesa version is: 7.0.3-7


We searched on google, on Paraview wiki... without any succes: can you help us please?

If you need more information let us now

Thank you very much

Luis








   ****      Kenneth Moreland
    ***      Sandia National Laboratories
***********
*** *** ***  email: kmorel at sandia.gov
**  ***  **  phone: (505) 844-8919
    ***      web:   http://www.cs.unm.edu/~kmorel

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