Crash when enabling Material Preview viewport shading for model with many materials and PNG textures #109243
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Reference: blender/blender#109243
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System Information
Operating system: Microsoft Windows 11 Home
Graphics card: AMD Radeon Vega 3 Graphics
Blender Version
Broken: 3.4.0,
a95bf1ac01, blender-v3.4-release, 2022-12-06Worked: Didn't test
When I enable Material Preview in Viewport Shading panel, blender freezes and crashes. It only happens with one model I was working on. It has 101,017k tris and many materials.
How to reproduce error:
Crash log:
Sadly, I can't provide .blend file.
The crash is happening inside your graphics driver. Please make sure the drivers are completely up to date by downloading directly from AMD's website if possible.
Does this reproduce if you use Blender 3.5 (https://www.blender.org/download/) or Blender 3.6 RC (https://builder.blender.org/download/daily/)?
Does this reproduce if you subdivide a simple cube until you have more than 100k vertices?
According to crash file, crash happened in GPU driver. Please update it if possible.
Also Upload .blend file, so we can reproduce, download alpha build from https://builder.blender.org/download/daily/, run file
blender_debug_log.cmdand upload created files after crash.Oops, didn't meant to close.
I've already tested with 3.5 and it is the same. I'm gonna test now on 3.6 RC.
Seems like it's better on 3.6 RC - it loads some textures (which are in .tga format) but then it crashes (when trying to load .png textures)
Here's the .blend file.
I tried installing newest AMD drivers, but it gave me an error because I have not enough space on SSD.
I always have same issue with drivers - when I install newest ones, the video driver won't work anymore.
In short, it is more of PNG textures and material amount issue, than tris amount.
Crash when enabling Material Preview viewport shading for model with 100k+ tristo Crash when enabling Material Preview viewport shading for model with many materials and PNG texturesThat sounds like system issue. Without system info file I am not sure what driver version you are using - it can be very old, so issues would be expected. If driver is recent it could be bug in driver too, which we can not fix. But please provide system info file - click on Help > Save System Info
Also if crash is caused by textures, I can't test the provided file, since it has no textures packed in. If you can, please simplify the file as much as possible (for filesize) and upload with textures packed.
The textures and system info.
Seems like it's not just one model but two already, Ataman A092H6 - same result.
According to system info, your GPU driver is at least 2 years old. You can definitely get newer one.
Sorry, but when I'm trying to install new driver, it says "Unable to install video driver" and then my GPU refuses work at all.
In such case I would reinstall OS.
That could be the problem. If there isn't enough space in the SSD to install a driver, then, blender and your system may have other issues along with outdated drivers.
I would make space on the SSD by moving some files to an external usb/ssd/hdd, and/or decrease virtual memory pagefile size to create more space, or have the pagefile on another partition that has space for it.
Yes,
AMD Radeon(TM) 530can use recent legacy drivers: https://www.amd.com/en/support/kb/release-notes/rn-rad-win-22-6-1-legacyNot much we can do in such case. Maybe you can reach out to AMD forum for help.
I suspect your system/laptop will also have an integrated graphics. Launch blender with iGPU, see if it still triggers the crash.
Closing the report for now.
Feel free to reopen the report if crash persists with newer drivers and iGPU.