I suspect you're encountering a known issue that was introduced with nVidia 440.xx. Please see https://github.com/VirtualGL/virtualgl/issues/120 for both a temporary and permanent workaround.
On 5/18/20 2:10 PM, Eric Sokolowsky wrote: > I now have VirtualGL running inside a TurboVNC session, running Gnome > desktop. I am a bit confused by something. I have my 3D > (hardware-accelerated) X server running on :1, and my TurboVNC server > on :2. I'm running the TurboVNC session through ssh using port > forwarding. To get an idea of performance I ran glxspheres64, and I > got the following results: > > > vglrun -d :1 glxspheres64 > Polygons in scene: 62464 (61 spheres * 1024 polys/spheres) > Visual ID of window: 0x198 > Context is Direct > OpenGL Renderer: Quadro K5200/PCIe/SSE2 > 1.000212 frames/sec - 0.721049 Mpixels/sec > 0.999800 frames/sec - 0.720752 Mpixels/sec > > > vglrun -d :2 glxspheres64 > Polygons in scene: 62464 (61 spheres * 1024 polys/spheres) > Visual ID of window: 0x198 > Context is Direct > OpenGL Renderer: llvmpipe (LLVM 8.0, 256 bits) > 30.895017 frames/sec - 22.272094 Mpixels/sec > > So I would have expected the first instance to be much faster, since > it's using the 3D X11 server for rendering. Unless I'm > misunderstanding what's going on. Any enlightenment will be > appreciated! I also welcome suggestions on improving performance if > that's possible. > > -- > You received this message because you are subscribed to the Google > Groups "VirtualGL User Discussion/Support" group. > To unsubscribe from this group and stop receiving emails from it, send > an email to [email protected] > <mailto:[email protected]>. > To view this discussion on the web visit > https://groups.google.com/d/msgid/virtualgl-users/ddc08704-b4fc-47c0-93b5-6baec66c5217%40googlegroups.com > <https://groups.google.com/d/msgid/virtualgl-users/ddc08704-b4fc-47c0-93b5-6baec66c5217%40googlegroups.com?utm_medium=email&utm_source=footer>. -- You received this message because you are subscribed to the Google Groups "VirtualGL User Discussion/Support" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/virtualgl-users/43d35a06-9077-ab8a-2fa6-463410498bbd%40virtualgl.org.
