Blender 2.8 crashing on 16bit 16K PNG textures #66704
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Reference: blender/blender#66704
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System Information
Operating system: Windows-10-10.0.17763 64 Bits
Graphics card: GeForce GTX 1080 Ti/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 431.36
Blender Version
Broken: version: 2.80 (sub 74), branch: master, commit date: 2019-07-10 23:46, hash:
676543d91fWorked: (optional)
Short description of error
Blender crashing on switching to Look Dev mode. 1 object file ~20K faces.
Principle shader with 4x 16bit 16K textures (Base color, Specular, Roughness, Tangent Normal Map) textures are PNG.
Or just Diffuse shader and only one 16bit 16K grayscale texture attached to it.
console show
Error : EXCEPTION_ACCESS_VIOLATION
Address : 0x000002393807F3A5
8bit 16K PNG - working
32bit 16K EXR - working
16bit 16K TIF - can't load
Exact steps for others to reproduce the error
[Please describe the exact steps needed to reproduce the issue]
[Based on the default startup or an attached .blend file (as simple as possible)]
Added subscriber: @ssh4
Added subscriber: @brecht
We require a .blend and image file to reproduce the problem.
Create empty project.
Add Susana.
Create in any paint app (photoshop, krita, gimp, etc.)
16384x16384px image in 16bit.
Fill with anything, like noise or gradinet.
Save as PNG in any compression.
Add material and use node.
Attach Texture to Color. And load this PNG.
Switch to Look dev or Eeevee.
Done. Blender crashed.
Sorry, 16K 16bit PNG is a 700Mb or more, don't see any reason to lost bandwith to some you can generate on own PC faster than download finished.
I can't reproduce the problem with those steps.
Most likely the problem also happens with a flat color image, which would be a small file. So please attach that if it crashes. We need specific info, we can't assume it is a problem with any paint app or compression unless you have actually tested all of them.
Maybe the problem is not related to the specific file and more on the GPU side for example, but we need to exclude possible causes.
Added subscriber: @MarcinTwarowski
I can confirm. Here's a blend file with a 16bit greyscale 16384x16384px .png packed inside. The png itself is only white color, so it's lightweight.
16_bit_png_crash.blend
When I switch to rendered or lookdev mode blender hangs for couple of seconds and then crashed to desktop. But surprisingly, it works in debug mode (blender_debug_gpu.cmd).
blender_system_info.txt
Added subscriber: @rjg
Crashes for me. Seems to be a driver issue though, since the access violation occurs in the
nvoglv64.dll.Crashes happen only with PNG and 16bit.
float EXR or 8bit PNG, JPG, etc. work without problem.
2.8/2.81/2.82 crashing still not fixed
Added subscriber: @lichtwerk
I cannot reproduce the crash
System Information
Operating system: Linux-5.3.12-200.fc30.x86_64-x86_64-with-fedora-30-Thirty 64 Bits
Graphics card: GeForce GTX 970M/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 440.31
version: 2.82 (sub 6), branch: master, commit date: 2019-12-27 20:38, hash:
c2a37867f2(also tested buildbot version
c2a37867f2,af33dbd714)Added subscriber: @iss
Changed status from 'Needs Developer To Reproduce' to: 'Resolved'
I cannot reproduce either
System Information
Operating system: Windows-10-10.0.18362-SP0 64 Bits
Graphics card: Radeon RX550/550 Series ATI Technologies Inc. 4.5.13586 Core Profile Context 19.12.2 26.20.15002.61
version: 2.82 (sub 6), branch: master, commit date: 2019-12-30 18:20, hash:
56ef761381