4.12/1070-8GB-32GB-R5 checkerboard in (spot) render, not in Iray view

pixelquack

"Derelict Urban Corners" plus two Gen8 actors plus clothing: all well.

Deleted "Derelict", dropped "Abandoned Residence" in, arranged things, added 4 lights, spot render: Daz loads for 2 minutes, comes up with a checkerboard, spot render dialog closes.

Full "Render" - same: loads scene, shows a checkerboard, says it's done. 

However when switching View to Iray - it renders. 

Restarted Daz, same issue. What can I do to debug? 

Richard Haseltine

Is the camera/viewpoint below ground level?

pixelquack

No. In case it is relevant: when I dropped "Abandonded Residence" into the scene, it came out on top of the head of one actor and I adjusted the entire thing to be on ground level. But everything moved with it, cameras, props, the lot. 

pixelquack

Mystery solved: that little scene draws 6.7GB VRAM from a 8GB card and I disabled CPU fallback. 

2020-08-14 22:41:09.916 WARNING: ..\..\..\..\..\src\pluginsource\DzIrayRender\dzneuraymgr.cpp(353): Iray [ERROR] - IRAY:RENDER ::   1.2   IRAY   rend error: Unable to allocate 67108864 bytes from 7516979 bytes of available device memory
2020-08-14 22:41:09.941 WARNING: ..\..\..\..\..\src\pluginsource\DzIrayRender\dzneuraymgr.cpp(353): Iray [ERROR] - IRAY:RENDER ::   1.4   IRAY   rend error: CUDA device 0 (GeForce GTX 1070): Scene setup failed
2020-08-14 22:41:09.942 WARNING: ..\..\..\..\..\src\pluginsource\DzIrayRender\dzneuraymgr.cpp(353): Iray [ERROR] - IRAY:RENDER ::   1.4   IRAY   rend error: CUDA device 0 (GeForce GTX 1070): Device failed while rendering
2020-08-14 22:41:09.942 WARNING: ..\..\..\..\..\src\pluginsource\DzIrayRender\dzneuraymgr.cpp(353): Iray [WARNING] - IRAY:RENDER ::   1.4   IRAY   rend warn : All available GPUs failed.
2020-08-14 22:41:09.947 WARNING: ..\..\..\..\..\src\pluginsource\DzIrayRender\dzneuraymgr.cpp(353): Iray [ERROR] - IRAY:RENDER ::   1.4   IRAY   rend error: Fallback to CPU not allowed.
2020-08-14 22:41:09.947 WARNING: ..\..\..\..\..\src\pluginsource\DzIrayRender\dzneuraymgr.cpp(353): Iray [ERROR] - IRAY:RENDER ::   1.4   IRAY   rend error: All workers failed: aborting render

 

PerttiA

"Unable to allocate 67108864 bytes from 7516979 bytes of available device memory"

Isn't that "...to allocate 64GB from 7.1GB..."? (XXX / 1024^2)

I started looking at the memory consumption of textures and maps for that same reason, not too happy about the way I found memory just wasted for no benefit... For exactly the same level of detail 4MB textures would be needed, but the way texture has been done, a whooping 192MB is used, and that was just one texture file out of 1000+

pixelquack

You're right actually... I just assumed it was 6.7GB. Think I'll have to have a look at Scene Optimizer.