<html><head><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Dear VTK developers,<br class=""><div><div class=""><div style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><br class="">We have an issue with our 3D visualization software which uses VTK, through Python bindings.<br class="">Although VTK has been working with no problems with VirtualGL, <br class="">recently we have implemented a GUI for our visualization routines. <br class="">The problem appeared when we tried to use this GUI remotely through VirtualGL.<br class=""><br class="">We get the following error message:<br class=""><br class="">`<br class="">[VGL] NOTICE: Automatically setting VGL_CLIENT environment variable to<br class="">[VGL]    131.169.206.101, the IP address of your SSH client.<br class="">ERROR: In /data/netapp/fla/plasma/software-max/source/VTK-git/Rendering/OpenGL2/vtkOpenGLRenderWindow.cxx, line 725<br class="">vtkXOpenGLRenderWindow (0x2ef7b00): GLEW could not be initialized.<br class=""><br class="">Segmentation fault<br class="">`<br class=""><br class="">The problem also appear with a much more simple program that we took from the VTK examples:<br class=""></div></div></div></body></html>