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Blender 2.8 Cycles Render Crashes W/ GPU CPU
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System Information
Operating system:
Graphics card: GeForce GTX 1080 Ti

Blender Version
2.8, 26d5a3625ed, 2018-11-29

Short description of error

Rendering in Cycles with CUDA graphics card and CPU ticked crashes. If I deselect my CPU it seems to work.

Exact steps for others to reproduce the error
Default startup file



Event Timeline

It's fixed in the very latest build.

Also been seeing this since about the time this bug was opened. In 2.80.0-git.0e78e3038d02-windows64 I still get a lockup of the GPU and hang of blender if I use 128 samples. Funnily enough using 64 samples and it seems to be ok. EEVEE is fine as is pure CPU based rendering. I've not yet tested GPU+CPU or different sample sizes outside of the 64&128 range.