(Fixed) [HOU-4219] Vray crash when rendering vdb

V-Ray V-Ray for Houdini Issues
1

Vray crash when rendering vdb using RTX
​I’m using vray 22680,houdini 20.0.653,windows
cloud.zip (434 KB)

2

Hello @elisa_christie , after investigating the issue, we have reached to the conclusion that it stems from the fact that the scale of the Geometry node housing the VDB file was changed, and I have logged this on our end under request number (HOU-4219). In the meantime, a workaround that you can use is to go into the Geometry node and use a Transform node to change the scale of the simulation. - Example

Additionally, you might find the following information useful when working with VDB files in the future. [Using VDB

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  1. Volume Light Cache must be OFF
  2. Light Scattering Type must be set to Ray-Traced
  3. Optimize Big Volumetric Grids must be OFF

[[/QUOTE]](instanced volumes require too much memory and fail to render (> 128 gb) - V-Ray for Houdini :: Issues - Chaos Forum)](instanced volumes require too much memory and fail to render (> 128 gb) - V-Ray for Houdini :: Issues - Chaos Forum)

3

Hey @elisa_christie ,

The GPU crash should be resolved starting with the nightly builds from Monday, Apr. 15.

Hope that helps!