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Amaranth add-on generates Python errors due to removal of branched path #92334

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opened 2021-10-19 09:53:26 +02:00 by Johannes Jakob · 16 comments
Johannes Jakob commented 2021-10-19 09:53:26 +02:00
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System Information
Operating system: macOS 11.6 Big Sur
Graphics card: AMD Radeon Pro 560 4 GB

Blender Version
Broken: 3.0, d7b231baa87e, master, 2021-10-18

Short description of error
On macOS – which does not support GPU rendering on AMD graphics cards currently – the render device dropdown menu and the Open Shading Language toggle disappear when selecting “GPU Compute”. Blender has to be relaunched in order to get them back.

Blender_3.0_macOS-Render_Device_Dropdown.mov

**System Information** Operating system: macOS 11.6 Big Sur Graphics card: AMD Radeon Pro 560 4 GB **Blender Version** Broken: 3.0, d7b231baa87e, master, 2021-10-18 **Short description of error** On macOS – which does not support GPU rendering on AMD graphics cards currently – the render device dropdown menu and the Open Shading Language toggle disappear when selecting “GPU Compute”. Blender has to be relaunched in order to get them back. [Blender_3.0_macOS-Render_Device_Dropdown.mov](https://archive.blender.org/developer/F11277701/Blender_3.0_macOS-Render_Device_Dropdown.mov)
Johannes Jakob commented 2021-10-19 09:53:26 +02:00
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Added subscriber: @johjakob-3

Added subscriber: @johjakob-3
Johannes Jakob commented 2021-10-19 19:59:13 +02:00
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The render device dropdown and Open Shading Language toggle can be brought back by undoing the render device selection.

The render device dropdown and Open Shading Language toggle can be brought back by undoing the render device selection.
Germano Cavalcante commented 2021-10-25 03:03:12 +02:00
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Added subscriber: @mano-wii

Added subscriber: @mano-wii
Germano Cavalcante commented 2021-10-25 03:03:12 +02:00
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Changed status from 'Needs Triage' to: 'Needs User Info'

Changed status from 'Needs Triage' to: 'Needs User Info'
Germano Cavalcante commented 2021-10-25 03:03:12 +02:00
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It seems to be a very specific problem. I can't replicate it on a Mac M1.

Can you open the blender via the terminal? https://docs.blender.org/manual/en/latest/advanced/command_line/launch/macos.html

The terminal will display some error information that might be useful in this case.

It seems to be a very specific problem. I can't replicate it on a Mac M1. Can you open the blender via the terminal? https://docs.blender.org/manual/en/latest/advanced/command_line/launch/macos.html The terminal will display some error information that might be useful in this case.
Ankit Meel commented 2021-10-25 06:34:02 +02:00
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Added subscriber: @ankitm

Added subscriber: @ankitm
Ankit Meel commented 2021-10-25 06:34:02 +02:00
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Can't redo on blender/blender@3e75f70acd, Big Sur, intel either. Try a recent build.
Also, could be some addon.
Try restarting Blender after renaming ~/Library/Application Support/Blender to something else, and if the issue goes away, narrow down the cause by elimination.

Can't redo on blender/blender@3e75f70acd, Big Sur, intel either. Try a recent build. Also, could be some addon. Try restarting Blender after renaming `~/Library/Application Support/Blender` to something else, and if the issue goes away, narrow down the cause by elimination.
Johannes Jakob commented 2021-10-25 13:12:02 +02:00
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In #92334#1240514, @ankitm wrote:
Can't redo on blender/blender@3e75f70acd, Big Sur, intel either. Try a recent build.
Also, could be some addon.
Try restarting Blender after renaming ~/Library/Application Support/Blender to something else, and if the issue goes away, narrow down the cause by elimination.

Yes, you are right. It must be an add-on. I will try to narrow it down by disabling third-party add-ons.

> In #92334#1240514, @ankitm wrote: > Can't redo on blender/blender@3e75f70acd, Big Sur, intel either. Try a recent build. > Also, could be some addon. > Try restarting Blender after renaming `~/Library/Application Support/Blender` to something else, and if the issue goes away, narrow down the cause by elimination. Yes, you are right. It must be an add-on. I will try to narrow it down by disabling third-party add-ons.
Brecht Van Lommel commented 2021-10-25 13:18:40 +02:00
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Added subscriber: @brecht

Added subscriber: @brecht
Brecht Van Lommel commented 2021-10-25 13:18:40 +02:00
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Getting the terminal output as requested by @mano-wii would be most useful here.

Getting the terminal output as requested by @mano-wii would be most useful here.
Johannes Jakob commented 2021-10-25 13:23:25 +02:00
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In #92334#1240422, @mano-wii wrote:
It seems to be a very specific problem. I can't replicate it on a Mac M1.

Can you open the blender via the terminal? https://docs.blender.org/manual/en/latest/advanced/command_line/launch/macos.html

The terminal will display some error information that might be useful in this case.

This was my Terminal output when the issue occured:

WARN (bpy.rna): source/blender/python/intern/bpy_rna.c:1352 pyrna_enum_to_py: current value '2' matches no enum in 'CyclesPreferences', '(null)', 'compute_device_type'
Traceback (most recent call last):
  File "/Applications/Blender 3.0 Alpha/Blender.app/Contents/Resources/3.0/scripts/modules/bpy_types.py", line 825, in draw_ls
    func(self, context)
  File "/Applications/Blender 3.0 Alpha/Blender.app/Contents/Resources/3.0/scripts/addons/cycles/ui.py", line 2037, in draw_device
    col.active = show_device_active(context)
  File "/Applications/Blender 3.0 Alpha/Blender.app/Contents/Resources/3.0/scripts/addons/cycles/ui.py", line 127, in show_device_active
    return context.preferences.addons[__package__].preferences.has_active_device()
  File "/Applications/Blender 3.0 Alpha/Blender.app/Contents/Resources/3.0/scripts/addons/cycles/properties.py", line 1363, in has_active_device
    return self.get_num_gpu_devices() > 0
  File "/Applications/Blender 3.0 Alpha/Blender.app/Contents/Resources/3.0/scripts/addons/cycles/properties.py", line 1352, in get_num_gpu_devices
    device_list = _cycles.available_devices(self.compute_device_type)
ValueError: Device "" not known.
Traceback (most recent call last):
  File "/Applications/Blender 3.0 Alpha/Blender.app/Contents/Resources/3.0/scripts/modules/bpy_types.py", line 825, in draw_ls
    func(self, context)
  File "/Applications/Blender 3.0 Alpha/Blender.app/Contents/Resources/3.0/scripts/addons/amaranth/render/samples_scene.py", line 107, in render_cycles_scene_samples
    if utils.cycles_exists() and cscene.progressive == "BRANCHED_PATH":
AttributeError: 'CyclesRenderSettings' object has no attribute 'progressive'

I resolved it by disabling and re-enabling the Cycles Render Engine add-on in the preferences. It looks like it was an issue with old Cycles settings maybe (BRANCHED_PATH)?

> In #92334#1240422, @mano-wii wrote: > It seems to be a very specific problem. I can't replicate it on a Mac M1. > > Can you open the blender via the terminal? https://docs.blender.org/manual/en/latest/advanced/command_line/launch/macos.html > > The terminal will display some error information that might be useful in this case. This was my Terminal output when the issue occured: ``` WARN (bpy.rna): source/blender/python/intern/bpy_rna.c:1352 pyrna_enum_to_py: current value '2' matches no enum in 'CyclesPreferences', '(null)', 'compute_device_type' Traceback (most recent call last): File "/Applications/Blender 3.0 Alpha/Blender.app/Contents/Resources/3.0/scripts/modules/bpy_types.py", line 825, in draw_ls func(self, context) File "/Applications/Blender 3.0 Alpha/Blender.app/Contents/Resources/3.0/scripts/addons/cycles/ui.py", line 2037, in draw_device col.active = show_device_active(context) File "/Applications/Blender 3.0 Alpha/Blender.app/Contents/Resources/3.0/scripts/addons/cycles/ui.py", line 127, in show_device_active return context.preferences.addons[__package__].preferences.has_active_device() File "/Applications/Blender 3.0 Alpha/Blender.app/Contents/Resources/3.0/scripts/addons/cycles/properties.py", line 1363, in has_active_device return self.get_num_gpu_devices() > 0 File "/Applications/Blender 3.0 Alpha/Blender.app/Contents/Resources/3.0/scripts/addons/cycles/properties.py", line 1352, in get_num_gpu_devices device_list = _cycles.available_devices(self.compute_device_type) ValueError: Device "" not known. Traceback (most recent call last): File "/Applications/Blender 3.0 Alpha/Blender.app/Contents/Resources/3.0/scripts/modules/bpy_types.py", line 825, in draw_ls func(self, context) File "/Applications/Blender 3.0 Alpha/Blender.app/Contents/Resources/3.0/scripts/addons/amaranth/render/samples_scene.py", line 107, in render_cycles_scene_samples if utils.cycles_exists() and cscene.progressive == "BRANCHED_PATH": AttributeError: 'CyclesRenderSettings' object has no attribute 'progressive' ``` I resolved it by disabling and re-enabling the Cycles Render Engine add-on in the preferences. It looks like it was an issue with old Cycles settings maybe (`BRANCHED_PATH`)?
Brecht Van Lommel changed title from macOS: Render device dropdown disappears when selecting “GPU Compute” to Amaranth add-on generates Python errors due to removal of branched path 2021-10-25 14:16:58 +02:00
Brecht Van Lommel commented 2021-10-25 14:16:58 +02:00
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Changed status from 'Needs User Info' to: 'Confirmed'

Changed status from 'Needs User Info' to: 'Confirmed'
Brecht Van Lommel commented 2021-10-25 14:16:58 +02:00
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Added subscriber: @pablovazquez

Added subscriber: @pablovazquez
Brecht Van Lommel commented 2021-10-25 14:17:15 +02:00
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Marking as high priority to ensure it gets fixed for 3.0.

Marking as high priority to ensure it gets fixed for 3.0.
Brecht Van Lommel commented 2021-10-28 22:19:52 +02:00
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Changed status from 'Confirmed' to: 'Resolved'

Changed status from 'Confirmed' to: 'Resolved'
Brecht Van Lommel self-assigned this 2021-10-28 22:19:52 +02:00
Brecht Van Lommel commented 2021-10-28 22:19:52 +02:00
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Fixed in bc8c44ea7a.

Fixed in bc8c44ea7a.
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