question

Hernandez Jonathan avatar image
Hernandez Jonathan asked

Urgent really need help cant render

Hello I need to render a flip sim in a matte whit arnold but when I put the sim on arnold crashing !!

In the log I have nothing, and in the older log I have this message


00:00:00 3684MB ERROR | signal caught: SIGSEGV -- Invalid memory reference


https://vimeo.com/510307450/6c2d89ba5f

renderhtoa arnold houdinimemory
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Stephen Blair avatar image
Stephen Blair answered

I can't tell anything from the video.

Can you strip down the scene...is it just the one thing that crashes?

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here is the log log2.txt

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log2.txt (9.4 KiB)
Julian Hodgson avatar image
Julian Hodgson answered

Also, if you start houdini from the command line, and change Log Verbosity to Debug and increase the Max Warnings to a high number, do you see anything else in the log?

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I don't know to do this

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For Mac and Linux the command line is Terminal.


The Log Verbosity and Debug can be found in the Arnold ROP - Diagnostics

screen-shot-2021-02-09-at-42504-pm.png

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Here is the log log2.txt

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log2.txt (9.4 KiB)

That looks like everything stopped during scene translation (when HtoA reads the Houdini scene and converts to Arnold data). Possibly on this object: /obj/guidedoceanlayerleopold_fluid_extended

How do I reproduce this? What do I create in Houdin? Or can you provide a simple scen that reproduced the problem?

1 Like 1 ·

yes you can try with ocean layer guide on the shelf tool


i make a render at this time, if i can i give you a link to download all my project (without cache file )

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Hernandez Jonathan avatar image
Hernandez Jonathan answered

I need to explain I have a sim fluid if my sim fluid is disabled I can render, if I activate my sim arnold crashes


I have already renderer my sim whit mantra, but now I need to render my boat whit arnold and put my sim in matte but in matte or alone Arnold crashes


and when I make a new geo node with a file cache loading my sim I have the same result


but I need to have the sim in matte for my final compositing in nuke

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Brian Foley avatar image
Brian Foley answered

Yes, it crashed on first render for me. I added a clean node with Remove Degenerate Primitives on and it rendered without any issues.

screen-shot-2021-02-10-at-42745-pm.png

wake2.jpg


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Julian Hodgson avatar image
Julian Hodgson answered

If this is crashing for a certain piece of geometry e.g. the fluid wake, can you please upload the file so that we can look at the fix?


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Hernandez Jonathan avatar image
Hernandez Jonathan answered

Hello here is the problem on guided ocean layer if you put a file cache and load it arnold and houdini crashes


but if you dont do it you render time take more time with the file cache i save 2hrs


I edit the problem is not the cache file is the delete node if you made a cache without the delete node no problem

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