Cycles OptiX - Error initializing RTX library on GTX1080ti #82435

New Issue

Alexander Vodila · 2020-11-05T14:27:50+01:00

Alexander Vodila commented

2020-11-05 14:27:50 +01:00

System Information
Operating system: Windows 10 pro
Graphics card: GTX 1080ti
GPU driver: 457.09

Blender Version
Broken: 2.90.1, 2.91.0-29780b8101eb-windows64
Worked: -

Short description of error
Simular as https://developer.blender.org/T81620, but on windows machine. All what was changed from default workspace:

Cycles render device: OptiX
In Scene Render engine to Cycles
In scene Device to GPU
Viewport Shading to Rendered

Logs:
blender_debug_output.txt
blender_system_info.txt

Since i am aiming to use denoising OptiX ai-Accelerated. I am also wondering why is checkbox is missing. I had this checkbox olny on custom build 6b19566a0a7a48f382ecd30f7b0fb647 from https://blender.community/c/graphicall/Kmbbbc/
Exact steps for others to reproduce the error

Took default workspace
Cycles render device: OptiX
In Scene Render engine to Cycles
In scene Device to GPU
Viewport Shading to Rendered
optixBug.blend

**System Information** Operating system: Windows 10 pro Graphics card: GTX 1080ti GPU driver: 457.09 **Blender Version** Broken: 2.90.1, 2.91.0-29780b8101eb-windows64 Worked: - **Short description of error** Simular as https://developer.blender.org/T81620, but on windows machine. All what was changed from default workspace: - Cycles render device: OptiX - In Scene Render engine to Cycles - In scene Device to GPU - Viewport Shading to Rendered ![2020-11-05 14_17_55-⚓ BF Blender Bug Report — Firefox Developer Edition.png](https://archive.blender.org/developer/F9208869/2020-11-05_14_17_55-__BF_Blender_Bug_Report___Firefox_Developer_Edition.png) Logs: [blender_debug_output.txt](https://archive.blender.org/developer/F9208907/blender_debug_output.txt) [blender_system_info.txt](https://archive.blender.org/developer/F9208908/blender_system_info.txt) Since i am aiming to use denoising OptiX ai-Accelerated. I am also wondering why is checkbox is missing. I had this checkbox olny on custom build 6b19566a0a7a48f382ecd30f7b0fb647 from https://blender.community/c/graphicall/Kmbbbc/ **Exact steps for others to reproduce the error** - Took default workspace - Cycles render device: OptiX - In Scene Render engine to Cycles - In scene Device to GPU - Viewport Shading to Rendered [optixBug.blend](https://archive.blender.org/developer/F9208955/optixBug.blend)

Alexander Vodila commented

2020-11-05 14:27:50 +01:00

Added subscriber: @alibaab

Marco G commented

2020-11-05 15:09:32 +01:00

Added subscriber: @marcog

Marco G commented

2020-11-05 15:09:32 +01:00

Same here, default cube viewport render with Optix does not work
system-info.txt

Same here, default cube viewport render with Optix does not work [system-info.txt](https://archive.blender.org/developer/F9209391/system-info.txt)

Antonio Vazquez commented

2020-11-05 15:36:37 +01:00

Added subscriber: @antoniov

Antonio Vazquez commented

2020-11-05 15:36:37 +01:00

Not 100% sure, but IIRC the Optix needs RTX cards like RTX2080... GTX cards haven't RTX cores used by Optix

Alexander Vodila commented

2020-11-05 16:02:25 +01:00

From this article https://devtalk.blender.org/t/blender-2-8-cycles-optix-on-non-rtx-card/11224 i understand that GTX should hadnle it as well.

Antonio Vazquez commented

2020-11-05 16:12:26 +01:00

This I did not know .. so it may be a bug, We need wait for an expert in this area to check the task report.

Brecht Van Lommel commented

2020-11-05 16:44:26 +01:00

Added subscribers: @pmoursnv, @brecht

Brecht Van Lommel commented

2020-11-05 16:44:26 +01:00

Two things to try:

Clear the OptiX cache in %LOCALAPPDATA%\NVIDIA\OptixCache and try rendering again
Re-install the drivers from the NVIDIA website, or try a slightly older version

We've had reports about the OptiX cache issue before, but it's not clear there is much we can do on the Blender side, it seems like an issue in the NVIDIA driver.

Two things to try: * Clear the OptiX cache in %LOCALAPPDATA%\NVIDIA\OptixCache and try rendering again * Re-install the drivers from the NVIDIA website, or try a slightly older version We've had reports about the OptiX cache issue before, but it's not clear there is much we can do on the Blender side, it seems like an issue in the NVIDIA driver.

Brecht Van Lommel commented

2020-11-05 16:44:35 +01:00

Changed status from 'Needs Triage' to: 'Needs User Info'

Alexander Vodila commented

2020-11-05 16:54:49 +01:00

I already try this tips. Problem is that in my case i have no OptixCashe at since this error comes before even use it. I have there just these directories :

GLCache
NvBackend

And when i hit this error on older driver (not sure what version) i immediately update GPU driver to last one.

Should i care about difference between GAME ready vs STUDIO ready drivers?
Can someone confirm that GTX 1080ti can use denoising OptiX ai-Accelerated technology? If so what version of driver works?

I already try this tips. Problem is that in my case i have no OptixCashe at since this error comes before even use it. I have there just these directories : - GLCache - NvBackend And when i hit this error on older driver (not sure what version) i immediately update GPU driver to last one. Should i care about difference between GAME ready vs STUDIO ready drivers? Can someone confirm that GTX 1080ti can use denoising OptiX ai-Accelerated technology? If so what version of driver works?

Alexander Vodila commented

2020-11-05 19:26:25 +01:00

Changed status from 'Needs User Info' to: 'Needs Triage'

Patrick Mours commented

2020-11-05 19:46:47 +01:00

This is not a Blender problem and you'd see the same with other OptiX applications. The driver installation on your system is broken. Do a clean uninstall and then reinstall the latest driver again. Studio drivers are the best choice if you want ensured compatibility with Blender, but Game-Ready drivers should generally work just as well.

Alexander Vodila commented

2020-11-05 22:47:27 +01:00

I am just trying to find help, cannot prove if that is or is not blender code bug. My first meet with OptiX is now via blender and that's why i create this thread. Also i like to see i am not alone with same problem.

I try to reinstall it, same problem.
Try install Studio ready driver (456.71), also no change.

I am just trying to find help, cannot prove if that is or is not blender code bug. My first meet with OptiX is now via blender and that's why i create this thread. Also i like to see i am not alone with same problem. I try to reinstall it, same problem. Try install Studio ready driver (456.71), also no change.

Brecht Van Lommel commented

2020-11-07 15:23:32 +01:00

Changed status from 'Needs Triage' to: 'Archived'

Brecht Van Lommel closed this issue

2020-11-07 15:23:32 +01:00

Brecht Van Lommel self-assigned this 2020-11-07 15:23:32 +01:00

Brecht Van Lommel commented

2020-11-07 15:23:32 +01:00

Resolving issues with driver installs is outside the scope of the bug tracker, it's only for resolving bugs in Blender.

You didn't mention if you do a clean uninstall of all graphics drivers, if you haven't tried that you can. Other than that I'm not sure what to suggest.

Resolving issues with driver installs is outside the scope of the bug tracker, it's only for resolving bugs in Blender. You didn't mention if you do a clean uninstall of all graphics drivers, if you haven't tried that you can. Other than that I'm not sure what to suggest.

Patrick Mours commented

2020-11-07 17:25:48 +01:00

Yeah, a clean uninstall with DDU (Display Driver Uninstaller) before reinstalling latest drivers is probably your best bet. If that doesn't help I'd suggest voicing your problem at https://developer.nvidia.com/optix-forums (with some more details like the exact Windows 10 version etc.) and we'll try and help you there.

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Cycles OptiX - Error initializing RTX library on GTX1080ti #82435