IRAY has STOPPED working? Doesn't render anymore?
MKeyes
Posts: 469
Okay, I have a simple and small scene that I've been trying to render since 3:30pm - and I'm using Iray lights, and my characrters are Iray textured as well. And within a moment of it looking like it's going to render, it stops. And I end up with a black screen or an empty screen.
What in the world is going on?
OS: Windows 10 - 64bit - NVidia GeForce GTX 760 2GB - 6 Core processors
Daz Studio 4.8 - Michael 7 - w/Aiden character textures - V6 - Quinty texture...
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Comments
There can be numerous causes for this. First is to make sure your camera is not under the ground plane, or behind a wall. Though you might be able to see through the ground and certain close-by objects while in preview, when it comes to rendering these things can block the camera's view.
Second is to quite D|S, reboot your computer, and try again. Sometimes Iray gets hung up on things caused by the various drivers, but can be reset by restarting your PC.
Will restart, but yesterday it was doing it and I restarted this morning and tried again and it is doing the same, day 2...
All I can suggest is to remove things from the scene methodically and attempt to render, so you can pin down the exact cause.
First try an empty scene to make sure something large hasn't gone wrong.
Then try deleting the lights from the problem scene and try a render.
Then reload the scene and reset the render settings to default and render.
If that hasn't isolated the issue reload the scene and delete all of the content in the scene and attempt a render.
This will at least let you know more directly where the issue resides.
It's not just Iray, it's all the shaders (well, I had set some items to using iray shaers and now switching them to 3Delight, but it won't change at all). I've re-started my PC, but nothing has changed. It seems to stop working for the same scene after having rendered it for X amount of time. If you start a new scene all together, the shaders work again. This is the second scene this has happened to me.
I'm not sure both of these issues raised in this thread are the same, it's probably best to start a new thread for this second issue, just so we're not trying to troubleshoot two different issues at the same time in the same thread.
New scene works fine, until you've rendered it for one too many times, then it just refuses to change shaders, doesn't matter if 3Delight or Iray.
I am still using beta 4.9.0.29, btw
I'm getting a feeling this is an IRAY bug...
I'm using 4.8 and haven't run into either the issue myself.
Again it seems like your talking 2 different issues:
1 Mercedes has a scene that fails to render in Iray.
2 Thatguy you have a scene that won't let shaders be changed in general.
If I'm reading this right?
Mercedes it will be much easier to find a solution if we can narrow down the issue.
Yes, at #2.
try moving the camera into the scene a couple notches. I've found many times that even though half the camera is sticking out of an object, it's still enough to simply render a black scene (even though you can see through the camera fine)
What you have described is exactly the same experience I had with the situation I described. The new window will pop up, Daz will work for like 5 minutes or so, then render a black screen. when I inch the camera forward a little so it's more out of the wall behind it, the render comes out fine.
LOL, I have decided not to stress over it. I have just downloaded 4.9.0.36 - did an image in it that rendered wonderfully. I am just going to scrap the one I was working on and move forward. I turned in a bug report, but considering they are about to release 4.9 - and it REALLY did nicely on this render I did. Of course, I'm not as good with the lights like others are... but if I knew what I was doing, it would turn out much better than it did. In fact, set up a very similar scene, except I used M6 - Boris - OH how I love Boris. Anyway, yeah... turned out wonderfully. So I'll no doubt be using 4.9.0.36 from now on - and perhaps I'll go back to 4.8, but aaay - not going to stress about it.
Cheers all...
what's your Nvidia drivers I just downloaded the the latest 359.00 an hour a go!
MKeyes how much system ram do you have?
Definitely it has something to do with 3Delight shader mixer from Daz3D original library(near other folders in "Shader Presets").
As soon as I applied "wood"-shader from "Shader mixer"-filder to my test-cube it stopped rendering ANY rough materials in iRay. ANY wood/rock/metal-shader is rendered totally black, only glass-style shaders renders are good. No matter what "not-glossy" shader I now reapply to my test-cube - it is still black on render. Tried to add strong distant lights - not even getting better.
I'm having the same issue.
Sorry, you resurrected a thread from 2015 ...
Did you update your graphic card driver?
I had the same problem. Updating my NVidia graphics card drivers fixed it.
What card are you running? and you're definately running the newest driver?
Its after the newest pbr update
After I updated to the realtime version the scene wont render in iray
put it back into another drawstyle before you render
I usually go to bounding box myself as it's the lightest so iray has all my resources
I found the bounding box settings but its not fixing anything
I replicate the scene and it seems that actually iRay consumes more Vram for rendering even if textures on both figures (772Mb) does not surpass my GPU Ram (GTX 1060 6Gb),considering your card only have 2Gb probably is falling back to CPU rendering