GPU debug mode creates excessive log, causing lack #107494

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opened 2023-05-01 09:26:14 +02:00 by Sun Kim · 5 comments

Sun Kim commented

2023-05-01 09:26:14 +02:00

Contributor

System Information
Operating system: Windows-10-10.0.19045-SP0 64 Bits
Graphics card: NVIDIA GeForce RTX 2060 SUPER/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 531.61

Blender Version
Broken: version: 3.6.0 Alpha, branch: main, commit date: 2023-04-30 05:23, hash: 358ce4f52b58
Worked: version: 3.5.0 Alpha, branch: master, commit date: 2022-12-08 02:10, hash: 04693f90748e

Caused by something between 3.5.0 Alpha 2022-12-08 02:10 04693f90748e and 3.5.0 Alpha 2022-12-13 01:46 e6e57cebecd1.

Short description of error
GPU debug mode creates excessive log when viewport is using EEVEE and Scene Light is enabled, causing massive lack.

It repeatedly put thread and loaded modules info in to the log. It created 3.8MB of a log in seconds:

blender_debug_output.txt

Exact steps for others to reproduce the error

Run Blender with blender_debug_gpu.cmd
Switch to Render Preview mode

**System Information** Operating system: Windows-10-10.0.19045-SP0 64 Bits Graphics card: NVIDIA GeForce RTX 2060 SUPER/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 531.61 **Blender Version** Broken: version: 3.6.0 Alpha, branch: main, commit date: 2023-04-30 05:23, hash: `358ce4f52b58` Worked: version: 3.5.0 Alpha, branch: master, commit date: 2022-12-08 02:10, hash: `04693f90748e` Caused by something between 3.5.0 Alpha 2022-12-08 02:10 `04693f90748e` and 3.5.0 Alpha 2022-12-13 01:46 `e6e57cebecd1`. **Short description of error** GPU debug mode creates excessive log when viewport is using EEVEE and Scene Light is enabled, causing massive lack. It repeatedly put thread and loaded modules info in to the log. It created 3.8MB of a log in seconds: [blender_debug_output.txt](/attachments/54b79d47-defb-4e88-962c-e20a50a14a86) **Exact steps for others to reproduce the error** - Run Blender with `blender_debug_gpu.cmd` - Switch to Render Preview mode

blender_debug_output.txt

3.6 MiB

Sun Kim added the

labels 2023-05-01 09:26:14 +02:00

Iliya Katushenock added the

EEVEE & Viewport

label 2023-05-01 09:40:15 +02:00

YimingWu commented

2023-05-01 10:27:37 +02:00

Member

Apparently it's the tex->check_feedback_loop() reporting repeatedly about ERROR (gpu.debug): Eevee > Shadows > Cube Shadow Maps > psl->shadow_pass : Feedback loop: Trying to bind a texture (DRW_tex) with mip range 0-0 but mip 0 is attached to the active framebuffer (shadow_fb), Will bisect

Apparently it's the `tex->check_feedback_loop()` reporting repeatedly about `ERROR (gpu.debug): Eevee > Shadows > Cube Shadow Maps > psl->shadow_pass : Feedback loop: Trying to bind a texture (DRW_tex) with mip range 0-0 but mip 0 is attached to the active framebuffer (shadow_fb)`, Will bisect

YimingWu commented

2023-05-01 11:29:06 +02:00

Member

caused by 6b8bb26c45

cc @ThomasDinges @fclem

caused by 6b8bb26c457446875e0782a1701ec35c78b33308 cc @ThomasDinges @fclem

YimingWu added

EEVEE & Viewport

and removed

labels 2023-05-01 11:29:26 +02:00

YimingWu referenced this issue

2023-05-17 07:23:46 +02:00

ShadeSmooth to Torus caused Blender to Freeze Twice (but now can't reproduce error in same version) #107475

Thomas Dinges commented

2023-10-06 16:38:14 +02:00

Owner

Any update here? Might be a quick fix if it's mainly excessive logging. @fclem

Any update here? Might be a quick fix if it's mainly excessive logging. @fclem

Nishen-Samuel commented

2024-01-06 08:13:31 +01:00

Hi, there still seem to be a severe issue regarding the 3.6 build, and in the 4.0.2 build as well. I used the 0451's eevee SSGI build (3.6.2) and Blender's official 4.0.2 build (via steam) separately and both seem to freeze after a few seconds when changing to rendered view and moving the viewport. It even freezes windows, and Ctrl+alt+del doesn't work. The only way I managed to grab this log file is by running the gpu debug cmd file, having the task manager set to stay in front, and killing the blender.exe task as soon as changing the view to rendered view, milliseconds before blender freezes windows.

Link to additional info: https://blender.stackexchange.com/q/309324/162832
Quick System info: (All drivers + windows up to date)

Blender 3.6.2 SSGI 0451/Blender 4.0.2
Intel i5 3570k
MSI GTX 1070 8GB
16GB DDR3 RAM
Blender installed in C Drive of a Kingston 240GB SSD

Hi, there still seem to be a severe issue regarding the 3.6 build, and in the 4.0.2 build as well. I used the 0451's eevee SSGI build (3.6.2) and Blender's official 4.0.2 build (via steam) separately and both seem to freeze after a few seconds when changing to rendered view and moving the viewport. It even freezes windows, and Ctrl+alt+del doesn't work. The only way I managed to grab this log file is by running the gpu debug cmd file, having the task manager set to stay in front, and killing the blender.exe task as soon as changing the view to rendered view, milliseconds before blender freezes windows. Link to additional info: https://blender.stackexchange.com/q/309324/162832 Quick System info: (All drivers + windows up to date) Blender 3.6.2 SSGI 0451/Blender 4.0.2 Intel i5 3570k MSI GTX 1070 8GB 16GB DDR3 RAM Blender installed in C Drive of a Kingston 240GB SSD

SSGI3.6DefaultFileCrashAtRenderedView.blend

919 KiB

blender_system_info.txt

26 KiB

blender_debug_output.txt

1.6 MiB

Nishen-Samuel commented

2024-01-07 08:45:00 +01:00

Hi, there still seem to be a severe issue regarding the 3.6 build, and in the 4.0.2 build as well. I used the 0451's eevee SSGI build (3.6.2) and Blender's official 4.0.2 build (via steam) separately and both seem to freeze after a few seconds when changing to rendered view and moving the viewport. It even freezes windows, and Ctrl+alt+del doesn't work. The only way I managed to grab this log file is by running the gpu debug cmd file, having the task manager set to stay in front, and killing the blender.exe task as soon as changing the view to rendered view, milliseconds before blender freezes windows.

Link to additional info: https://blender.stackexchange.com/q/309324/162832
Quick System info: (All drivers + windows up to date)

Blender 3.6.2 SSGI 0451/Blender 4.0.2
Intel i5 3570k
MSI GTX 1070 8GB
16GB DDR3 RAM
Blender installed in C Drive of a Kingston 240GB SSD

Update: I had to reinstall windows. Blender seems stable now. I'm guessing the problem was related to CUDA or Optix, as CPU rendering never had an issue, only freezing when either in eevee or CUDA/Optix cycles. Will update any changes.

> Hi, there still seem to be a severe issue regarding the 3.6 build, and in the 4.0.2 build as well. I used the 0451's eevee SSGI build (3.6.2) and Blender's official 4.0.2 build (via steam) separately and both seem to freeze after a few seconds when changing to rendered view and moving the viewport. It even freezes windows, and Ctrl+alt+del doesn't work. The only way I managed to grab this log file is by running the gpu debug cmd file, having the task manager set to stay in front, and killing the blender.exe task as soon as changing the view to rendered view, milliseconds before blender freezes windows. > > Link to additional info: https://blender.stackexchange.com/q/309324/162832 > Quick System info: (All drivers + windows up to date) > > Blender 3.6.2 SSGI 0451/Blender 4.0.2 > Intel i5 3570k > MSI GTX 1070 8GB > 16GB DDR3 RAM > Blender installed in C Drive of a Kingston 240GB SSD Update: I had to reinstall windows. Blender seems stable now. I'm guessing the problem was related to CUDA or Optix, as CPU rendering never had an issue, only freezing when either in eevee or CUDA/Optix cycles. Will update any changes.

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Reference: blender/blender#107494

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