Looks like the Nvidia driver version 440.59 might be fixed now. I have not tried it though.
>From the releasenotes: - Disabled frame rate limiting for configurations without active displays when HardDPMS is enabled. Den fre 6 dec. 2019 15:22Patrik Pira <[email protected]> skrev: > From the changelog for 440.26: > > - Enabled HardDPMS by default. See the README entry on the X configuration > option "HardDPMS" for more information. > > > Try, > > Option "HardDPMS" "false" > > > Den lördag 19 oktober 2019 kl. 10:47:32 UTC+2 skrev ziegler: >> >> 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 >> >> [image: Annotation 2019-10-19 104529.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/08d89bf7-e24a-4969-9f51-53f8150d0e65%40googlegroups.com > <https://groups.google.com/d/msgid/virtualgl-users/08d89bf7-e24a-4969-9f51-53f8150d0e65%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/CABs44Ev%3DbadoiKa3ZpL_tnk2v0k5CXcj5LbeFdvXsLHtD7Tgqg%40mail.gmail.com.
