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I keep having my renders to disk crash Houdini (even if I disable file output). This happens at random moments in the render and goes away when I disable autosave. (I do have a little script that enables autosave when I start Houdini).
Now I don't know if this is related but every time I use any ROP (even a file cache node) the octane licensing information shows up in the Houdini Console, which didn't happen on previous versions
This is what the console shows on the start of the render:

[Octane] Octane Render for Houdini. Build 2021.1.0.4 (Build date: Oct 28 2021 11:37:31)
[Octane] Octane API: 2021.1
[Octane] HDK API: 19.0.383
[Octane] Houdini host version: 19.0.383
[Octane] Initializing Octane API
[Octane] Octane API ready. Initialization time: 1.422 seconds
[Octane] OCIO configuration ready. Initialization time: 0.089 seconds
[Octane] Octane network rendering disabled. Initialization time: 0.000 seconds
[Octane] WARNING: preferences file not found: C:/Users/Dominik/Documents/houdini19.0/octane.pref
09:08:39 INFOR: [nodes] ------------- Registering Octane VOP nodes
[Octane] 09:08:39 INFOR: [nodes] ------------- Registering Octane VOP nodes
09:08:39 INFOR: [nodes] ------------- Octane VOP nodes registered
[Octane] 09:08:39 INFOR: [nodes] ------------- Octane VOP nodes registered
09:08:39 INFOR: [nodes] ------------- Registering the plugin custom VOP nodes
[Octane] 09:08:39 INFOR: [nodes] ------------- Registering the plugin custom VOP nodes
09:08:39 INFOR: [nodes] ------------- Plugin custom VOP nodes registered
[Octane] 09:08:39 INFOR: [nodes] ------------- Plugin custom VOP nodes registered
09:08:39 INFOR: [nodes] ------------- Registering Octane VOP nodes
[Octane] 09:08:39 INFOR: [nodes] ------------- Registering Octane VOP nodes
09:08:39 INFOR: [nodes] ------------- Octane VOP nodes registered
[Octane] 09:08:39 INFOR: [nodes] ------------- Octane VOP nodes registered
09:08:39 INFOR: [nodes] ------------- Registering the plugin custom VOP nodes
[Octane] 09:08:39 INFOR: [nodes] ------------- Registering the plugin custom VOP nodes
09:08:39 INFOR: [nodes] ------------- Plugin custom VOP nodes registered
[Octane] 09:08:39 INFOR: [nodes] ------------- Plugin custom VOP nodes registered
C:/Users/Dominik/Documents/houdini19.0/scripts/456.cmd (1): Warning: autosave not supported by this application

This didn't used to happen on 18.5. Anything you can do or anything you would suggest to do on my end?

My Setup:

A. Windows 10 - 10.0.19043
B. RTX 3090
C. 64 GB Ram
D. Nvidia Driver Version - 471.68
F. Octane Render Houdini plugin version - Octane_2021.1.0.4_Houdini_19.0.383_vr_Win64
G. Houdini_19.0.383

Hmm after playing around a bit and jumping into the octane settings and enabling RTX acceleration it seems to not crash anymore. Will update if it happens again. Still would love some insight on why that console opens up on every ROP now, while it not used to do that!

The message probably comes from the fact that these ROPs are loading the plugin themselves, probably because they launch hython or any other Houdini command-line tool. This can be something new in H19.0. I'm not sure how to avoid something like that, but I'll take a look at it. Anyway, I remember that there is an environment variable to disable the console (HOUDINI_DISABLE_CONSOLE, I think)

Thanks,
-Juanjo

A few weeks later and I am still encountering those issues. If autosave is enabled it crashes the render every time (at least if it is enabled at launch with the scripts). Can't help but think it's because octane is somehow retriggering the launch scripts on render start...
Other than that I am getting a decent bit of render crashing when having autosave off.

Sorry, are you talking about the Houdini autosaving option?

Thanks,
-Juanjo