Hi. I think I need a little bit of VirtualGL help.
We've got an installation of FastX running on our SLURM controlled AMD Rome nodes. The systems have 4 * nVidia T4 GPU's contained within. Using FastX + VirtualGL sessions works perfectly with MATE. So well, that users often say how happy they are with it. However - we also run a custom TigerVNC based platform too, called StrudelWeb. This was a local development. The problem we've got is that, despite the same xorg.conf and everything else we can think of - the TigerVNC sessions launched via Strudel do not seem to be able to use anything but the llvmpipe MESA path. We can run some environmental variables within such that VGL_LOGO=1 or similar exports absolutely pop up the "VGL" logo in our X display windows over our Strudel Tiger VNC sessions (glxspheres shows the VGL logo etc) but it is absolutely using the software renderer. What we can't figure out is why VirtualGL + Tiger VNC won't pick up the nvidia hardware or xorg config, but using FastX with an identical xorg.conf seems to work perfectly. I'd post my xorg.conf but I don't want to fill this post with mess until someone advice where I should start/what to look for first. So far I've tried a few things, including this in the xorg.conf: Option "UseDisplayDevice" "none" Which seems to have broken everything entirely (the nVidia T4 is a headless GPU). I also looked at this: https://gist.github.com/shehzan10/8d36c908af216573a1f0 And thought it might help - but it assumes no implementation of something like VirtualGL, so I wondered how relevant it was. So - I'm trying to work out what might be wrong with my remote launched remote TigerVNC session via Strudel. For reference on what Strudel actually "is"... https://trac.version.fz-juelich.de/vis/wiki/vnc3d/strudel Thank you for your time. Regards, -jc -- 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/d84f788d-3566-4e6f-8dc5-9a31be944d19n%40googlegroups.com.
