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" <[email protected]> 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: [email protected] ** *** ** phone: (505) 844-8919 *** web: http://www.cs.unm.edu/~kmorel
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