> Did you reinstall the same nvidia drivers or a newer version? > Right now I'm again running the original drivers (460.73.01) installed from the .run file.
> IIRC there once was the necessity to chmod /dev/nvidia or similar to > make it available to all users. Not sure if that's still required. > The permissions look correct. There are /dev/nvidia0 and /dev/nvidia1 devices for the 2 GPUs: # ll /dev/nvidia* crw-rw-rw-. 1 root root 195, 0 Oct 19 09:58 /dev/nvidia0 > Just to be sure: are you connecting to the local X server (a so called > shadow session) or are you starting a NEW mate desktop in addition to > X server? > I don't think so but how can I tell? I am not connecting with X2Go/X11 Desktop Sharing if that's what opens a shadow session, but rather starting a MATE session. > WebGL creation failed: > > * Refused to create native OpenGL context because of blacklist entry: > FEATURE_FAILURE_OPENGL_1 > > * Exhausted GL driver options. > > > > Running "__GLX_VENDOR_LIBRARY_NAME=mesa LIBGL_ALWAYS_SOFTWARE=1 firefox" > didn't get WebGL working, either, but did change the about:support output: > > > > WebGL creation failed: > > * Refused to create native OpenGL context because of blacklist entry: > FEATURE_FAILURE_GLXTEST_FAILED > > * Exhausted GL driver options. > > Does this call work with glxinfo/glxgears? > Yes, it does. glxgears runs without crashing the session and glxinfo reports it is using direct rendering. It appears to be using my client's (a VM) X server for OpenGL rendering, is that right? $ __GLX_VENDOR_LIBRARY_NAME=mesa LIBGL_ALWAYS_SOFTWARE=1 glxinfo ... OpenGL vendor string: VMware, Inc. OpenGL renderer string: llvmpipe (LLVM 7.0, 256 bits) OpenGL version string: 2.1 Mesa 18.3.4 OpenGL shading language version string: 1.20 > > > Any idea how I can get WebGL rendered in an X2Go session again? I would > assume that there wasn't a solution using X2Go if I hadn't used it > successfully myself mere days ago. I intend not to use VNC if at all > possible. > > I am a bit puzzled about that blacklist entry. Maybe that is > modifiable in about:config. I have checked my firefox88 and it does > NOT seem to have this blacklist entry in about:config. > > Also check/disable the hardware acceleration setting in firefox. > I tried setting webgl.force-enabled to true and got different output from about:support: WebGL creation failed: * tryNativeGL * Exhausted GL driver options. I've tried toggling hardware acceleration on/off but it doesn't seem to make a difference. > > Uli > -- Eric Shell PBSci Technical Staff esh...@ucsc.edu 831 459 4919
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