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[Nazo <lovesyao@xxxxxxxxx>]

it looks like cuda-side problem.
https://github.com/NervanaSystems/neon/issues/246
https://github.com/nagadomi/waifu2x/issues/222

** Also affects: nvidia-cuda-toolkit (Ubuntu)
   Importance: Undecided
       Status: New

** Bug watch added: github.com/NervanaSystems/neon/issues #246
   https://github.com/NervanaSystems/neon/issues/246

** Bug watch added: github.com/nagadomi/waifu2x/issues #222
   https://github.com/nagadomi/waifu2x/issues/222

** Changed in: blender (Ubuntu)
       Status: New => Opinion

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https://bugs.launchpad.net/bugs/1573798

Title:
  Blender CUDA Unsupported gcc version

Status in blender package in Ubuntu:
  Opinion
Status in nvidia-cuda-toolkit package in Ubuntu:
  New

Bug description:
  Ubuntu 16.04
  nvidia-364

  
  When I select render with GPU, render is empty.

  Here is the output :

  CUDA version 7.5 detected, build may succeed but only CUDA 6.5 is officially supported.
  Compiling CUDA kernel ...
  "/usr/local/cuda/bin/nvcc" -arch=sm_35 -m64 --cubin "/usr/share/blender/scripts/addons/cycles/kernel/kernels/cuda/kernel.cu" -o "/home/psychojau/.config/blender/2.76/cache/cycles_kernel_sm35_A72CB6E937E171946202BA958DC68EB5.cubin" --ptxas-options="-v" --use_fast_math -I"/usr/share/blender/scripts/addons/cycles/kernel" -DNVCC -D__KERNEL_CUDA_VERSION__=75
  In file included from /usr/local/cuda/bin/../targets/x86_64-linux/include/cuda_runtime.h:76:0,
                   from <command-line>:0:
  /usr/local/cuda/bin/../targets/x86_64-linux/include/host_config.h:115:2: error: #error -- unsupported GNU version! gcc versions later than 4.9 are not supported!
   #error -- unsupported GNU version! gcc versions later than 4.9 are not supported!
    ^
  CUDA kernel compilation failed, see console for details.

  Refer to the Cycles GPU rendering documentation for possible solutions:
  http://www.blender.org/manual/render/cycles/gpu_rendering.html

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: blender 2.76.b+dfsg0-3build1
  ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6
  Uname: Linux 4.4.0-21-generic x86_64
  NonfreeKernelModules: nvidia_uvm nvidia_modeset nvidia
  ApportVersion: 2.20.1-0ubuntu2
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Fri Apr 22 22:37:15 2016
  InstallationDate: Installed on 2016-02-02 (80 days ago)
  InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
  SourcePackage: blender
  UpgradeStatus: Upgraded to xenial on 2016-04-22 (0 days ago)

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