Multipass outputs fail on threadripper

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A. Operating System, including version (i.e. Win 7, OSX 10.11.2, Ubuntu 14.04, etc.)
B. Graphics Card(s) model (i.e. GTX 580 - 3GB, TITAN, etc.)
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G. Host application version, including build number if available (i.e. 3ds Max 2016 Build 18.0)
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Alacrious
Licensed Customer
Posts: 12
Joined: Fri Nov 21, 2014 10:28 pm

INT_DIVIDE_BY_ZERO in Process Octane Passes on a default single-cube scene, single GPU or dual GPU, beauty only exports just fine, any multipass fails

7985WX, 256GB, 2x 4090, fully patched W11, 610.88 studio, 1.94 octane, C4D 2026.3.4

Anytime I set a multipass output it crashes. Originally thought it was cryptomatte, turns out its any multipass at all. Beauties render fine. Cant submit the full bug report right now. But some quick reference mentioned problems with the high thread count.
Attachments
c4doctanelog.txt
(14.45 KiB) Downloaded 57 times
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bepeg4d
Octane Guru
Posts: 10654
Joined: Wed Jun 02, 2010 6:02 am
Location: Italy
Contact:

Hi,

Are you sure to have shared the proper c4doctanelog.txt file?

Could you share the scene that is crashing for you?

ciao,
Beppe
Alacrious
Licensed Customer
Posts: 12
Joined: Fri Nov 21, 2014 10:28 pm

Sent you DM with logs and default scene it happens in for me.

*edit Attached log here, seems its clean from project details
Attachments
c4doctanelog.txt
(9.01 KiB) Downloaded 55 times
ThomasBarry
Licensed Customer
Posts: 1
Joined: Wed Jan 14, 2015 1:31 pm

Hello

I've been having the same issue, are you able to share what might be the cause?

I have a similar build, Threadripper 3955WX , 4090 etc. Over the past year, I've gone through driver updates, every version of C4D, lots of Octane versions, and changed Windows graphics settings, all to no avail.

The crash is exclusive to multipass rendering. A single beauty alone works fine.
First frame renders, but fails to save the file and crashes.

Appreciate any info! I can't be relying on RNDR to do all my jobs
Thanks!
Attachments
c4doctanelog.txt
(46.27 KiB) Downloaded 2 times
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