It affects me. Ubuntu Xenial (after upgrade from 14.04)
lspci -k | grep -EA3 'VGA|3D|Display'
01:00.0 VGA compatible controller: NVIDIA Corporation GT218 [GeForce 210] (rev
a2)
Subsystem: ASUSTeK Computer Inc. GT218 [GeForce 210]
Kernel driver in use: nvidia
Kernel modules: nvidiafb, nouveau, nvidia_340
glxinfo | grep OpenGL
OpenGL vendor string: NVIDIA Corporation
OpenGL renderer string: GeForce 210/PCIe/SSE2
OpenGL core profile version string: 3.3.0 NVIDIA 340.104
OpenGL core profile shading language version string: 3.30 NVIDIA via Cg compiler
OpenGL core profile context flags: (none)
OpenGL core profile profile mask: core profile
OpenGL core profile extensions:
OpenGL version string: 3.3.0 NVIDIA 340.104
OpenGL shading language version string: 3.30 NVIDIA via Cg compiler
OpenGL context flags: (none)
OpenGL profile mask: (none)
OpenGL extensions:
OpenGL ES profile version string: OpenGL ES 2.0 NVIDIA 340.104 340.104
OpenGL ES profile shading language version string: OpenGL ES GLSL ES 1.00
OpenGL ES profile extensions:
journalctl -b -p 3 >01.txt
-- Logs begin at nie 2018-06-24 09:06:54 CEST, end at nie 2018-06-24 09:19:18
CEST. --
cze 24 09:06:54 user1-945P-DS3 nvidia-persistenced[477]: Failed to query NVIDIA
devices. Please ensure that the NVIDIA device files (/dev/nvidia*) exist, and
that user 118 has read and write permissions for those files.
The point is that I don't have any nvidia folder in /dev but somehow graphic
card works. I only have there three files: nvidia-uvm, nvidia0, nvidiactl. All
have 0 B size.
** Attachment added: "Xorg.0.log.txt"
https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers/+bug/1611635/+attachment/5156085/+files/Xorg.0.log.txt
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https://bugs.launchpad.net/bugs/1611635
Title:
Failed to query NVIDIA devices. Please ensure that the NVIDIA device
files (/dev/nvidia*) exist
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