Good, because I have no clue why that issue would occur. Even if VGL_FPS was set, it would still be necessary to disable frame spoiling in order for benchmarks to reflect that frame rate. It definitely does seem like a driver issue.
> On Oct 19, 2019, at 4:27 AM, Julius Ziegler <[email protected]> wrote: > > For now, I solved the issue by downgrading from the very new nvidia 440 > driver to version 435. > > Regards > Julius > > > From: ziegler > Sent: Saturday, 19 October 2019 10:47 > To: VirtualGL User Discussion/Support > Subject: [VirtualGL-Users] Getting exactly 1 FPS on vglrun glxgears/glxspheres > > I have set up VirtualGL to run OpenGL applications on an Nvidia card through > TurboVNC. > > I run lightdm display manager, and a mate-session. > > Based on what glxinfo tells me, the setup seems to be working: > > "OpenGL vendor string: NVIDIA Corporation > OpenGL renderer string: GeForce GTX 1650/PCIe/SSE2 > OpenGL core profile version string: 4.6.0 NVIDIA 440.26" > > I now have the strange effect that basically any application (I have tried > glxgears, glxspheres and my own custom code) that I run through vglrun runs > with exactly 1.00 FPS (check the screenshot below). > > The CPU usage while running is negligible, so I assume that there is some > artificial throttling happening, like some bogus VSYNC. > > One thing special maybe about my setup is that this is a rack mount server, > which, appart from the discrete Nvidia card, also has an onboard VGA which > runs GL via mesa, so this is a dual head setup. > > I separately tried > > VGL_SPOILLAST=0 > VLS_SYNC=1 > > With no noticeable effect. > > Has anybody experienced this strange effect? Any ideas on how to solve it? > > Any hint is appreciated, Thanks! > > Julius > > <AAEAE6044B9641D1B9DE056EDF9F4367.png> -- 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/23A7D4DB-4AEC-4804-9893-731ED5B4C3AD%40virtualgl.org.
