Use OpenGL on the nvidia card instead of the Intel integrated one
By Mia Morrison •
I have a visualization workstation to which I connect via SSH (iGLX should be enabled since I can run glxgears over SSH) that is shipped with a Titan X card and also a Matrox adapter that I believe is the adapter to the integrated Intel Iris VGA. I installed latest CUDA using the repository packages (and not w/ the runfile). I successfully compiled and run (few of) the CUDA sample programs that are executing correctly.
The problem I'm experiencing is that it seems to me that the GL applications are not run using OpenGL over nVidia card but instead over the Integrated one (or even maybe using MESA CPU emulated OpenGL).
glxinfo| grep -i opengl
OpenGL vendor string: VMware, Inc.
OpenGL renderer string: llvmpipe (LLVM 6.0, 256 bits)
OpenGL core profile version string: 3.3 (Core Profile) Mesa 18.0.5
OpenGL core profile shading language version string: 3.30
OpenGL core profile context flags: (none)
OpenGL core profile profile mask: core profile
OpenGL core profile extensions:
OpenGL version string: 3.0 Mesa 18.0.5
OpenGL shading language version string: 1.30
OpenGL context flags: (none)
OpenGL extensions:
OpenGL ES profile version string: OpenGL ES 3.0 Mesa 18.0.5
OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.00
OpenGL ES profile extensions:I also checked the libGL.so and it seems to be installed somehow by MESA and not by nVidia:
locate libGL
/snap/gnome-3-26-1604/64/usr/lib/x86_64-linux-gnu/mesa/libGL.so.1
/snap/gnome-3-26-1604/64/usr/lib/x86_64-linux-gnu/mesa/libGL.so.1.2.0
/snap/gnome-3-26-1604/70/usr/lib/x86_64-linux-gnu/mesa/libGL.so.1
/snap/gnome-3-26-1604/70/usr/lib/x86_64-linux-gnu/mesa/libGL.so.1.2.0
/snap/gnome-3-26-1604/74/usr/lib/x86_64-linux-gnu/mesa/libGL.so.1
/snap/gnome-3-26-1604/74/usr/lib/x86_64-linux-gnu/mesa/libGL.so.1.2.0
/usr/lib/x86_64-linux-gnu/libGL.so
/usr/lib/x86_64-linux-gnu/libGL.so.1
/usr/lib/x86_64-linux-gnu/libGL.so.1.0.0
/usr/lib/x86_64-linux-gnu/libGLESv1_CM.so
/usr/lib/x86_64-linux-gnu/libGLESv1_CM.so.1
/usr/lib/x86_64-linux-gnu/libGLESv1_CM.so.1.0.0
/usr/lib/x86_64-linux-gnu/libGLESv1_CM_nvidia.so.1
/usr/lib/x86_64-linux-gnu/libGLESv1_CM_nvidia.so.410.79
/usr/lib/x86_64-linux-gnu/libGLESv2.so
/usr/lib/x86_64-linux-gnu/libGLESv2.so.2
/usr/lib/x86_64-linux-gnu/libGLESv2.so.2.0.0
/usr/lib/x86_64-linux-gnu/libGLESv2_nvidia.so.2
/usr/lib/x86_64-linux-gnu/libGLESv2_nvidia.so.410.79
/usr/lib/x86_64-linux-gnu/libGLU.a
/usr/lib/x86_64-linux-gnu/libGLU.so
/usr/lib/x86_64-linux-gnu/libGLU.so.1
/usr/lib/x86_64-linux-gnu/libGLU.so.1.3.1
/usr/lib/x86_64-linux-gnu/libGLX.so
/usr/lib/x86_64-linux-gnu/libGLX.so.0
/usr/lib/x86_64-linux-gnu/libGLX.so.0.0.0
/usr/lib/x86_64-linux-gnu/libGLX_indirect.so.0
/usr/lib/x86_64-linux-gnu/libGLX_mesa.so.0
/usr/lib/x86_64-linux-gnu/libGLX_mesa.so.0.0.0
/usr/lib/x86_64-linux-gnu/libGLX_nvidia.so.0
/usr/lib/x86_64-linux-gnu/libGLX_nvidia.so.410.79
/usr/lib/x86_64-linux-gnu/libGLdispatch.so
/usr/lib/x86_64-linux-gnu/libGLdispatch.so.0
/usr/lib/x86_64-linux-gnu/libGLdispatch.so.0.0.0
/usr/local/cuda-10.0/samples/common/lib/linux/aarch64/libGLEW.a
/usr/local/cuda-10.0/samples/common/lib/linux/armv7l/libGLEW.a
/usr/local/cuda-10.0/samples/common/lib/linux/x86_64/libGLEW.aShouldn't the CUDA packages also install GL libraries (and replace libGL.so?)
Hardware Specs
dpkg -l | grep nvidia
ii libnvidia-cfg1-410:amd64 410.79-0ubuntu1 amd64 NVIDIA binary OpenGL/GLX configuration library
ii libnvidia-common-410 410.79-0ubuntu1 all Shared files used by the NVIDIA libraries
ii libnvidia-compute-410:amd64 410.79-0ubuntu1 amd64 NVIDIA libcompute package
ii libnvidia-decode-410:amd64 410.79-0ubuntu1 amd64 NVIDIA Video Decoding runtime libraries
ii libnvidia-encode-410:amd64 410.79-0ubuntu1 amd64 NVENC Video Encoding runtime library
ii libnvidia-fbc1-410:amd64 410.79-0ubuntu1 amd64 NVIDIA OpenGL-based Framebuffer Capture runtime library
ii libnvidia-gl-410:amd64 410.79-0ubuntu1 amd64 NVIDIA OpenGL/GLX/EGL/GLES GLVND libraries and Vulkan ICD
ii libnvidia-ifr1-410:amd64 410.79-0ubuntu1 amd64 NVIDIA OpenGL-based Inband Frame Readback runtime library
ii nvidia-compute-utils-410 410.79-0ubuntu1 amd64 NVIDIA compute utilities
ii nvidia-dkms-410 410.79-0ubuntu1 amd64 NVIDIA DKMS package
ii nvidia-driver-410 410.79-0ubuntu1 amd64 NVIDIA driver metapackage
ii nvidia-kernel-common-410 410.79-0ubuntu1 amd64 Shared files used with the kernel module
ii nvidia-kernel-source-410 410.79-0ubuntu1 amd64 NVIDIA kernel source package
ii nvidia-modprobe 410.79-0ubuntu1 amd64 Load the NVIDIA kernel driver and create device files
ii nvidia-prime 0.8.8.2 all Tools to enable NVIDIA's Prime
ii nvidia-settings 410.79-0ubuntu1 amd64 Tool for configuring the NVIDIA graphics driver
ii nvidia-utils-410 410.79-0ubuntu1 amd64 NVIDIA driver support binaries
ii xserver-xorg-video-nvidia-410 410.79-0ubuntu1 amd64 NVIDIA binary Xorg driverCPU: Intel(R) Xeon(R) Silver 4114 CPU @ 2.20GHz
lspci | grep -i vga
03:00.0 VGA compatible controller: Matrox Electronics Systems Ltd. Integrated Matrox G200eW3 Graphics Controller (rev 04)
3b:00.0 VGA compatible controller: NVIDIA Corporation GP102 [TITAN Xp] (rev a1)nvidia-smi
Mon Jan 21 11:03:27 2019
+-----------------------------------------------------------------------------+
| NVIDIA-SMI 410.79 Driver Version: 410.79 CUDA Version: 10.0 |
|-------------------------------+----------------------+----------------------+
| GPU Name Persistence-M| Bus-Id Disp.A | Volatile Uncorr. ECC |
| Fan Temp Perf Pwr:Usage/Cap| Memory-Usage | GPU-Util Compute M. |
|===============================+======================+======================|
| 0 TITAN Xp On | 00000000:3B:00.0 Off | N/A |
| 23% 30C P8 10W / 250W | 0MiB / 12196MiB | 0% Default |
+-------------------------------+----------------------+----------------------+
+-----------------------------------------------------------------------------+
| Processes: GPU Memory |
| GPU PID Type Process name Usage |
|=============================================================================|
| No running processes found |
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