This solved the issue for me on CentOS 7.7 with NVIDIA 440.36 and VirtualGL 2.6.3. Thanks Patrik !
On Friday, 6 December 2019 11:22:38 UTC-3, Patrik Pira wrote: > > 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 virtualgl-users+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/virtualgl-users/2b42aeff-185b-465d-88a3-0ed223664257%40googlegroups.com.
