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

myaccountmail9 myaccountmail9 myaccountmail9 at gmail.com
Wed Oct 21 02:54:05 EDT 2009


Hi Ken,
thank you for your reply.
No, we didn't compile OSMesa ourselves, but we installed OSMesa library on
each node downloading the .deb packages with:

apt-get install libosmesa6
apt-get install libosmesa6-dev

Have you got any other idea?
Thank you again.
Luis


2009/10/20 Moreland, Kenneth <kmorel at sandia.gov>

>  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<http://www.cs.unm.edu/%7Ekmorel>
>
>
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