Hi Magician,
Good catch!
I forgot to suggest another possible fix for your problem - define the
environment variable in a command line in VNC window from which you
launch ParaView:
export LIBGL_ALWAYS_INDIRECT=y
Best regards,
Bruno
On 04-06-2012 15:49, Magician wrote:
Hi all,
I've been trying to solve the problem.
I found an important setting about it.
Our ParaView is running on shared Linux cluster,
so we operate ParaView with VNC Client.
My VNC setting is very simple as below:
vncviewer -geometry [width]x[height]
But other users' settings are little different:
vncviewer -geometry [width]x[height] -depth 32
The -depth option is critical.
Maybe this option influences OpenGL setting of VNC,
and ParaView gets into GLX errors.
I suggested removing -depth option and restarting VNC server,
then our ParaView executed perfectly.
Magician
On 2012/06/01, at 12:58, Magician wrote:
Hi all,
I was trying to build ParaView on CentOS.
It looked OK, but today other users on our machine tried to run ParaView,
they got errors as below:
ERROR: In
/home/magician/ParaView-3.14.1-Source/VTK/Rendering/vtkXOpenGLRenderWindow.cxx,
line 404
vtkXOpenGLRenderWindow (0x2d2e410): Could not find a decent visual
ERROR: In
/home/magician/ParaView-3.14.1-Source/VTK/Rendering/vtkXOpenGLRenderWindow.cxx,
line 404
vtkXOpenGLRenderWindow (0x2d2e410): Could not find a decent visual
X Error: BadValue (integer parameter out of range for operation) 2
Extension: 146 (Uknown extension)
Minor opcode: 3 (Unknown request)
Resource id: 0x22
ERROR: In
/home/magician/ParaView-3.14.1-Source/VTK/Rendering/vtkXOpenGLRenderWindow.cxx,
line 629
vtkXOpenGLRenderWindow (0x2d2e410): Cannot create GLX context. Aborting.
Maybe our ParaView tried to access my home directory from other users,
these errors are dumped.
I checked my CMakeCache again, and I found these parameters:
VTK_GLEXT_FILE:
/home/magician/ParaView-3.14.1-Source/VTK/Utilities/ParseOGLExt/headers/glext.h
VTK_GLXEXT_FILE:
/home/magician/ParaView-3.14.1-Source/VTK/Utilities/ParseOGLExt/headers/glxext.h
VTK_MATERIAL_DIRS:
/home/magician/ParaView-bin/VTK/Utilities/MaterialLibrary/Repository
VTK_WGLEXT_FILE:
/home/magician/ParaView-3.14.1-Source/VTK/Utilities/ParseOGLExt/headers/wglext.h
VTK_WRAP_HINTS: /home/magician/ParaView-3.14.1-Source/VTK/Wrapping/hints
Maybe our ParaView's build setting depends on original source data on my home
directory,
but it's not good for using many users.
Which is the best way to change our GL settings?
Magician
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