Yes, the Headless nVidia Mini How-To covers both issues: https://virtualgl.org/Documentation/HeadlessNV
But it should be noted that the DPMS issue exists irrespective of whether the GPU is headless. > On Aug 29, 2020, at 1:49 PM, Eric Frey <ecf...@gmail.com> wrote: > > One more thing: to get it to work without a monitor connected I added > Option "AllowEmptyInitialConfiguration" "true" > to the Device section. > >> On Saturday, August 29, 2020 at 2:24:47 PM UTC-4 Eric Frey wrote: >> 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 <flutt...@gmail.com> 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 >>>>> >>>>> >>>>> >>>>> >>>> >>> >>>> -- >>>> 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 virtualgl-use...@googlegroups.com. >>>> To view this discussion on the web visit >>>> https://groups.google.com/d/msgid/virtualgl-users/08d89bf7-e24a-4969-9f51-53f8150d0e65%40googlegroups.com. > > -- > 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 virtualgl-users+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/virtualgl-users/b68c8c3d-c151-4c75-b956-d2722194cb22n%40googlegroups.com. -- 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 virtualgl-users+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/virtualgl-users/3BE7EF75-A4DB-432B-AB09-B0EA96191756%40virtualgl.org.