** Description changed:

  This error has been logged since a while into journalctl (affect 361,
  367, and possibly the others too)
  
  oem@u64:~$ grep 117 /etc/passwd; lsb_release -a; uname -a
  avahi-autoipd:x:106:117:Avahi autoip 
daemon,,,:/var/lib/avahi-autoipd:/bin/false
  nvidia-persistenced:x:117:128:NVIDIA Persistence Daemon,,,:/:/sbin/nologin
  No LSB modules are available.
  Distributor ID:       Ubuntu
  Description:  Ubuntu Yakkety Yak (development branch)
  Release:      16.10
  Codename:     yakkety
  Linux u64 4.7.0-0-generic #3-Ubuntu SMP Tue Aug 2 17:34:31 UTC 2016 x86_64 
x86_64 x86_64 GNU/Linux
  
- 
  oem@u64:~$ ls -ld /dev/nvidia*; file /dev/nvidia*
  crw-rw-rw- 1 root root 195,   0 Aug 10 04:48 /dev/nvidia0
  crw-rw-rw- 1 root root 195, 255 Aug 10 04:48 /dev/nvidiactl
  crw-rw-rw- 1 root root 195, 254 Aug 10 06:48 /dev/nvidia-modeset
  crw-rw-rw- 1 root root 247,   0 Aug 10 04:48 /dev/nvidia-uvm
  /dev/nvidia0:        character special (195/0)
  /dev/nvidiactl:      character special (195/255)
  /dev/nvidia-modeset: character special (195/254)
  /dev/nvidia-uvm:     character special (247/0)
  
- 
  Already discussed:
  
https://answers.launchpad.net/ubuntu/+source/nvidia-graphics-drivers/+question/271860
  
- and affect other distro 
+ and affect other distro
  
https://devtalk.nvidia.com/default/topic/934350/linux/nvidia-persistenced-failed-to-query-nvidia-devices-/
+ 
+ error source: https://github.com/NVIDIA/nvidia-
+ persistenced/commit/4f78613588ea1db928e7264317adc810dc0eb10a
+ 
  
  ProblemType: Bug
  DistroRelease: Ubuntu 16.10
  Package: nvidia-361 (not installed)
  ProcVersionSignature: Ubuntu 4.7.0-0.3-generic 4.7.0
  Uname: Linux 4.7.0-0-generic x86_64
  NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
  ApportVersion: 2.20.3-0ubuntu5
  Architecture: amd64
  CurrentDesktop: GNOME
  Date: Wed Aug 10 08:54:58 2016
  SourcePackage: nvidia-graphics-drivers-361
  UpgradeStatus: No upgrade log present (probably fresh install)

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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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