I was having the same issue with version 450.66 on a CentOS 7 system. Commenting out Option "DPMS" in the monitor section and adding Option "hardpms" "false" as suggested by Patrik Pira fixed the problem. Many thanks for the posts.
On Monday, February 3, 2020 at 4:16:43 PM UTC-5 Patrik Pira wrote: > 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/2ee90a47-d7f2-4e54-8cad-4e6a86974b1bn%40googlegroups.com.
