GPU could not be enabled in blender 3.0 about rd-blender-docker HOT 6 CLOSED

HI @fzlee i managed enable GPU with latest Blender 3.0 image, here is the additional setting beside of yours:

# Enable CUDA
  pref = bpy.context.preferences
  cycles_addon = pref.addons["cycles"]
  cpref = cycles_addon.preferences
  cpref.compute_device_type = "CUDA"
  cpref.compute_device = "CUDA_0"

# Enable and list all devices, or optionally disable CPU
  print("----------------------------------------------")
  cpref.get_devices()

  for d in cpref.devices:
    d.use = True
    if d.type == "CPU":
      d.use = False
    print("Device '{}' type {} : {}" . format(d.name, d.type, d.use))
    ```

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@indiejoseph many thanks for your help , it did help!

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Thanks for the information @fzlee 🙏

Would you be able to provide a little more information about this issue? OS / Docker run command / how to replicate

Also would you mind trying to set the GPU devices using this snippet to see if that helps?

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@fzlee did you find any solution? facing the same problem

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One thing that could potentially be related is the CUDA version (was reading the requirement for building Blender and it seems to point to CUDA Toolkit 11.4, 11.3, 11.2 or 11.1 here).

Just pushed an updated image for Blender 3.0 GPU here - @fzlee @Shrhawk Would you be able to test building this image to see if that solves this issue?

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Hi juniorxsound:
Many thanks for your help on this.

Sorry for the late reply, we tried this push, but unfortunately, we are still not able to enable GPU.

Regarding to the former question:
OS: Ubuntu 2004
How to replicate: just run the newest docker image, and invoke the following pieces of code

def enable_gpus():
    cycles_addon = bpy.context.preferences.addons['cycles']
    cycles_addon.preferences.compute_device_type = 'CUDA'
    bpy.context.scene.render.engine = "CYCLES"
    bpy.context.scene.cycles.device = "GPU"

and you will see bpy.context.preferences.addons['cycles'].preferences.devices returns an empty list.

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