4090 has problem with texture in render preview #108679
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Reference: blender/blender#108679
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System Information
Operating system: Windows 11
Graphics card: Nvidia Geforce 4090
Blender Version
Broken: (3.4 and 3.5.1)
Worked: none.
Short description of error
This only started recently, has been fine up till today. My preferences are set to use both the CPU (AMD Threadripper 32) and the GPU (geforce 4090) in OptiX (or CUDA, doesnt seem to matter). Once the file opens, material preview works fine. (refer to "materialpreview.png") but when i click render preview (refer to renderprevier.png) all i see is my rig. Anything with a texture is a similar dark grey as the default blender background. I can move the camera around fine, but no textures are visible. If i click material preview again to switch back, blender freezes and must "end task" in task manager. If i turn off the GPU assistance and only have the CPU enabled, everything works as it should.
Yesterday i updated to latest windows 11 update. I also updated my gameready drivers for my 4090. When the issue started, i thought it might have something to do with gameready drivers so switched to Studio drivers. This did not fix it.
Assuming that these updates may have broken my file, i rolled back windows 11 drivers to most recent previous version, and did the same with the nvidia studio drivers (uninstalled 5.35.... installed 5.31). This fixed nothing.
I would love to know why my GPU can't be used with Blender suddenly. Games work fine. Furmark 3d app works fine, no issues. Heat is fine. Very frustrating to have such expensive gear suddenly stop working.
It is entirely possible it's still a driver issue. Could you try launching blender with
blender_debug_gpu.cmdandblender_debug_gpu_workaround.cmdand give us the output and other log files (see here)? Thanks!GPUto 4090 has problem with texture in render previewIn
renderpreview.pngin the top left of the viewport it saysLoading Render Kernels (This may take a few minutes). This message will show up the first time you use Cycles after updating/downgrading/or reinstalling your GPU driver, or update Cycles (typically when you update Blneder). And as the message implies, it can take a few minutes to compile all the kernels.Have you tried waiting a few minutes for it to finish (how long it actually takes depends on your computer hardware)?
If waiting doesn't fix the issue then can you please provide the .blend file you're having issues with so we can look into this?
As for why Blender freezes and says "Not responding" when you click on the Material Preview button. This is because Blender freezes as it tries to cancel the kernel compilation. And Windows interprets this as the program not functioning and will give you the "Not Responding" message.
No activity for more than a week. As per the tracker policy we assume the issue is gone and can be closed.
Thanks again for the report. If the problem persists please open a new report with the required information.