Scene / Render Stuck in Memory causing Nvidia OpenGL Error 9

[AshtonWoolley]

Hello,

I am dealing with a large scene file around 9 gig, and am rendering out 8K Renders over night. My Memory limit in my Machine is 64 Gig.

When I check them in the morning, everything is fine but obviously my maya.exe process is consuming 30-40 Gig of RAM opposed to 11Gig of RAM normally for this scene file...

When I go to navigate the scene in the viewport, I get this



This only happens after rendering, I can only assume that my memory is maxing out and Nvidia Flips out.~

Once Maya crashes, I open up task manager and the maya.exe process is still there consuming 30gig of RAM, once I end this process and re-enter Maya and load up the scene, everything is fine.

I can only assume that Maya isn't dumping the scene out of its RAM after rendering has finished, does anyone know why?

Regards,
Ashton

[yolov]

Assuming you're using the production renderer, opposed to RT, are you rendering animation and/or render layers, multiple cameras in batch (anything that means more than one render/frame)?
And if so, are you caching bitmaps and geometry between renders?

[AshtonWoolley]

Hey Yolov,

Assuming you're using the production renderer, opposed to RT, are you rendering animation and/or render layers, multiple cameras in batch (anything that means more than one render/frame)?
And if so, are you caching bitmaps and geometry between renders?

Using the production Render, Not Vray RT, Rendering a single frame, No Batch Rendering, Rendering in the VFB, No multi-cameras or scripts.

Cache geometry plugins between renders: OFF
Cache bitmaps plugins between renders: OFF

I do notice that even if these are on when I hit the button to clear the cache it doesn't clear.

Regards,
Ashton

[yolov]

Well, the "clear" button would clear any cache left in RAM after the first render has finished (geometry and bitmaps are actually cached after the first render if the cache is enabled).

It might be something else then, maybe some memory leak. Any chance you can send us the scene for investigation?
Maya and VRay versions? OS?

[AshtonWoolley]

Well, the "clear" button would clear any cache left in RAM after the first render has finished (geometry and bitmaps are actually cached after the first render if the cache is enabled).

This is what I thought... Should I try hitting this after I do a Render and see if it clears the Cache?

[QUOTE=It might be something else then, maybe some memory leak. Any chance you can send us the scene for investigation?
Maya and VRay versions? OS?[/QUOTE]

Unfortunately the scene is for a current job and the geometry is confidential so I it not possible :/

Sorry, I know it is a inconvenience, I will do another render and report if anything changes.

I also Lock my Machine at night whilst it is rendering, thought I would mentioned that even though it might do nothing.

[yolov]

Should I try hitting this after I do a Render and see if it clears the Cache?

This is when it would work, otherwise there will be nothing cached (or during render it will do nothing).

We'll try and run some tests here to see if locking the machine while rendering does something unexpected, although this is doubtful to be the cause.
Could you tell us what VRay and Maya versions you are using. Also I assume you're using windows, is this win7 or 8?

Eventually, if a time comes when the problem is still there and you are able to share the scene, please let us know, it would be helpful to fixing any potential issues.

[AshtonWoolley]

Maya 2014 SP1 - Vray 3.00.01 x64 - Win 7

Thanks for your help, much appreciated.

[yolov]

One more thing, are you using the progressive sampler or you're rendering buckets?

[yolov]

Well, nothing turned up from our tests, so any further info and reproduction steps for this will be helpful.

[bigbossfr]

I got the same error. This is not specific to VRay, this is Maya viewport problem when your card can not deal with a lot of elements in your scene.
I have a computer with a sh*t card here, i have this error with big scenes.
Same scenes with good cards (Quadro or Titan), i don't have this problem (with VRay or not).

[AshtonWoolley]

Ah sorry I have just seen this. I was rendering using buckets.

bigbossfr could be on to something, the scene is quite heavy even though I am using a K5000 - So the scene is quite intense.

Thanks for both your help.