desktop-packages team mailing list archive

[Olli Niemi <1361207@xxxxxxxxxxxxxxxxxx>]

Ubuntu 15.10 status: Installing only nvidia-352 and nvidia-cuda-toolkit
packages forces Blender 2.76 to be started as root for the CUDA option
to be visible in Blender menus (no errors reported in Blender).
Installing also nvidia-modprobe fixes this problem: Blender can be
started as normal user.

Starting Blender as root naturally saves the project files as root:root
as well, possibly also other files, including user preferences. The
nvidia-modprobe package installation seems more like a requirement in
this use case.

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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to nvidia-graphics-drivers-331-updates in
Ubuntu.
https://bugs.launchpad.net/bugs/1361207

Title:
  nvidia-graphics-drivers-* should recommend nvidia-modprobe

Status in nvidia-graphics-drivers-331 package in Ubuntu:
  Confirmed
Status in nvidia-graphics-drivers-331-updates package in Ubuntu:
  Confirmed
Status in nvidia-graphics-drivers-340 package in Ubuntu:
  Confirmed
Status in nvidia-graphics-drivers-340-updates package in Ubuntu:
  Confirmed
Status in nvidia-graphics-drivers-346 package in Ubuntu:
  Confirmed
Status in nvidia-graphics-drivers-346-updates package in Ubuntu:
  Confirmed

Bug description:
  nvidia-modprobe allows non-root users to load NVIDIA kernel modules and it creates the respective device entries. This is important for CUDA users as they would otherwise have to run a workaround script to load the kernel modules and create the device entries. This is documented here:
  http://developer.download.nvidia.com/compute/cuda/6_5/rel/docs/CUDA_Getting_Started_Linux.pdf -> 4.8 Verification

  Because of this newer nvidia-graphics-drivers packages (331 and newer)
  should at least recommend nvidia-modprobe. Furthermore the nvidia-
  modprobe is not available from xorg-edgers. Utopic includes an nvidia-
  modprobe package though.

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