Data are:
$ lspci | grep -i nvidia
18:00.0 VGA compatible controller: NVIDIA Corporation TU104GL [Quadro RTX 4000] (rev a1)
18:00.1 Audio device: NVIDIA Corporation TU104 HD Audio Controller (rev a1)
18:00.2 USB controller: NVIDIA Corporation TU104 USB 3.1 Host Controller (rev a1)
18:00.3 Serial bus controller [0c80]: NVIDIA Corporation TU104 USB Type-C UCSI Controller (rev a1)
$ uname -a
Linux billb-ThinkStation-P920 5.10.0-1049-oem #51-Ubuntu SMP Mon Sep 27 11:01:10 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
$ lsmod | grep nvidia
nvidiafb 53248 0
vgastate 20480 1 nvidiafb
fb_ddc 16384 1 nvidiafb
i2c_algo_bit 16384 2 nvidiafb,igb
i2c_nvidia_gpu 16384 0
$ sudo lshw -c video
*-display UNCLAIMED
description: VGA compatible controller
product: TU104GL [Quadro RTX 4000]
vendor: NVIDIA Corporation
physical id: 0
bus info: pci@0000:18:00.0
version: a1
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress vga_controller cap_list
configuration: latency=0
resources: memory:b3000000-b3ffffff memory:a0000000-afffffff memory:b0000000-b1ffffff ioport:5000(size=128) memory:b4000000-b407ffff
$ more /usr/share/X11/xorg.conf.d/10-amdgpu.conf
Section “OutputClass”
Identifier “AMDgpu”
MatchDriver “amdgpu”
Driver “amdgpu”
EndSection
$ ls /lib/modprobe.d/blacklist-nvidia.conf
ls: cannot access ‘/lib/modprobe.d/blacklist-nvidia.conf’: No such file or directory
Steps to where I am are
$ sudo apt purge nvidia*
Reboot.
$ ubuntu-drivers devices
…
driver : nvidia-driver-495 - third-party non-free recommended
…
$ sudo apt install nvidia-driver-495
No errors. Reboot.
$ dkms status
nvidia, 495.29.05, 5.13.0-21-generic, x86_64: installed
$ nvidia-smi
NVIDIA-SMI has failed because it couldn’t communicate with the NVIDIA driver. Make sure that the latest NVIDIA driver is installed and running.
$ dpkg -l | grep nvidia
ii libnvidia-cfg1-495:amd64 495.29.05-0ubuntu1 amd64 NVIDIA binary OpenGL/GLX configuration library
ii libnvidia-common-495 495.29.05-0ubuntu1 all Shared files used by the NVIDIA libraries
rc libnvidia-compute-390:i386 390.144-0ubuntu2 i386 NVIDIA libcompute package
ii libnvidia-compute-495:amd64 495.29.05-0ubuntu1 amd64 NVIDIA libcompute package
ii libnvidia-decode-495:amd64 495.29.05-0ubuntu1 amd64 NVIDIA Video Decoding runtime libraries
ii libnvidia-encode-495:amd64 495.29.05-0ubuntu1 amd64 NVENC Video Encoding runtime library
ii libnvidia-extra-495:amd64 495.29.05-0ubuntu1 amd64 Extra libraries for the NVIDIA driver
ii libnvidia-fbc1-495:amd64 495.29.05-0ubuntu1 amd64 NVIDIA OpenGL-based Framebuffer Capture runtime library
ii libnvidia-gl-495:amd64 495.29.05-0ubuntu1 amd64 NVIDIA OpenGL/GLX/EGL/GLES GLVND libraries and Vulkan ICD
ii nvidia-compute-utils-495 495.29.05-0ubuntu1 amd64 NVIDIA compute utilities
ii nvidia-dkms-495 495.29.05-0ubuntu1 amd64 NVIDIA DKMS package
ii nvidia-driver-495 495.29.05-0ubuntu1 amd64 NVIDIA driver metapackage
ii nvidia-kernel-common-495 495.29.05-0ubuntu1 amd64 Shared files used with the kernel module
ii nvidia-kernel-source-495 495.29.05-0ubuntu1 amd64 NVIDIA kernel source package
ii nvidia-utils-495 495.29.05-0ubuntu1 amd64 NVIDIA driver support binaries
ii xserver-xorg-video-nvidia-495 495.29.05-0ubuntu1 amd64 NVIDIA binary Xorg driver
$ sudo ./NVIDIA-Linux-x86_64-390.144.run --uninstall
reports no nvidia driver installed
$ grep nvidia /etc/modprobe.d/* /lib/modprobe.d/*
/etc/modprobe.d/nvidia-installer-disable-nouveau.conf:# generated by nvidia-installer
/lib/modprobe.d/nvidia-installer-disable-nouveau.conf:# generated by nvidia-installer
/lib/modprobe.d/nvidia-kms.conf:options nvidia-drm modeset=1
Per https://forums.developer.nvidia.com/t/nvidia-smi-has-failed-because-it-couldnt-communicate-with-the-nvidia-driver-make-sure-that-the-latest-nvidia-driver-is-installed-and-running/111008/26:
$ sudo apt install nvidia-prime
Reading package lists… Done
Building dependency tree… Done
Reading state information… Done
Package nvidia-prime is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source
E: Package ‘nvidia-prime’ has no installation candidate
I think I need nvidia-prime to proceed but am interested in guidance on how to install it.
Thank you,
Bill