<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div class="">Hello,</div><div class=""><br class=""></div><div class="">When I switched from VTK 6 to 7 I got this error when I tried to run my program built with VTK:</div><div class=""><br class=""></div><div class=""><div class="">X Error of failed request: GLXBadFBConfig</div><div class=""> Major opcode of failed request: 150 (GLX)</div><div class=""> Minor opcode of failed request: 34 ()</div><div class=""> Serial number of failed request: 39</div><div class=""> Current serial number in output stream: 40</div></div><div class=""><br class=""></div><div class="">I am using X11 forwarding over an ssh tunnel (from my mac laptop to a ubuntu server) and my glxinfo on the server gives:</div><div class=""><br class=""></div><div class=""><div class="">GLX version: 1.4</div><div class="">GLX extensions:</div><div class=""> GLX_ARB_get_proc_address, GLX_ARB_multisample, GLX_EXT_import_context,</div><div class=""> GLX_EXT_visual_info, GLX_EXT_visual_rating, GLX_SGIX_fbconfig</div><div class="">OpenGL vendor string: NVIDIA Corporation</div><div class="">OpenGL renderer string: NVIDIA GeForce GT 650M OpenGL Engine</div><div class="">OpenGL version string: 1.4 (2.1 NVIDIA-10.10.5.2 310.42.25f01)</div></div><div class=""><br class=""></div><div class="">This program works fine with VTK 6, and after a while of searching the closest post I could find was: <a href="https://gitlab.kitware.com/vtk/vtk/merge_requests/933" class="">https://gitlab.kitware.com/vtk/vtk/merge_requests/933</a>. However, when using the specified environment variable at runtime it did not help. Thank you in advance for any assistance.</div><div class=""><br class=""></div><div class="">Best,</div><div class="">Brody</div></body></html>