OctaneRender for Modo 3.03.3 [STABLE]

Foundry Modo (Developed by stenson, Integrated Plugin developed by Paul Kinnane)

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Uhlhorn
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It is a GTX 980Ti, newest driver, newest OS.

Update:
Sorry, this occurs when rendering on internal GPU, and this is a GTX 680MX.
If I render on external GPU I only get 4 or 5 kernel panics in month without these artifacts.
Last edited by Uhlhorn on Wed Aug 10, 2016 6:34 pm, edited 1 time in total.
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smicha
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Do you overclock any of your hardware - cpu, gpu? What are temps on them under full load?
3090, Titan, Quadro, Xeon Scalable Supermicro, 768GB RAM; Sketchup Pro, Classical Architecture.
Custom alloy powder coated laser cut cases, Autodesk metal-sheet 3D modelling.
build-log http://render.otoy.com/forum/viewtopic.php?f=9&t=42540
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smicha
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And is the issue present when you disconnect the thunderbolt?
3090, Titan, Quadro, Xeon Scalable Supermicro, 768GB RAM; Sketchup Pro, Classical Architecture.
Custom alloy powder coated laser cut cases, Autodesk metal-sheet 3D modelling.
build-log http://render.otoy.com/forum/viewtopic.php?f=9&t=42540
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Uhlhorn
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Joined: Wed Aug 19, 2015 8:02 pm

Sorry, this occurs when rendering on internal GPU, and this is a GTX 680MX.
If I render on external GPU I only get 4 or 5 kernel panics in month without these artifacts.
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Uhlhorn
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smicha wrote:Do you overclock any of your hardware - cpu, gpu? What are temps on them under full load?
No. The internal GPU of the Mac is as is, nothing modified. And the eGPU is a Gainward GeForce GTX 980Ti Phoenix, nothing modified too.
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smicha
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So you are using a laptop? This might be insufficient power (ghz, not voltage) of your cpu. I might be mistaken, but freezing is mainly due to overloading of cpu or gpu.
3090, Titan, Quadro, Xeon Scalable Supermicro, 768GB RAM; Sketchup Pro, Classical Architecture.
Custom alloy powder coated laser cut cases, Autodesk metal-sheet 3D modelling.
build-log http://render.otoy.com/forum/viewtopic.php?f=9&t=42540
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Uhlhorn
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smicha wrote:And is the issue present when you disconnect the thunderbolt?
The issue is on the internal GPU of the iMac. And this is a GTX 680MX.

I have written something about this in an earlier post, before I was purchasing Octane: viewtopic.php?f=25&t=49885
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Uhlhorn
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smicha wrote:So you are using a laptop? This might be insufficient power (ghz, not voltage) of your cpu. I might be mistaken, but freezing is mainly due to overloading of cpu or gpu.
No, I am using an iMac 27", 3,4 GHz Intel Core i7, late 2012, 32 GByte of RAM, newest driver, newest OS.
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smicha
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I get you. I read your post and all the issues you posted (heavy distortions) look like a faulty gpu that handles the display. I have no knowledge on imacs but some time ago I flashed bios on my gpus (not mobo) whlie having similar issues. IS there any chance to replace 680mx with any other gpu and test it?
3090, Titan, Quadro, Xeon Scalable Supermicro, 768GB RAM; Sketchup Pro, Classical Architecture.
Custom alloy powder coated laser cut cases, Autodesk metal-sheet 3D modelling.
build-log http://render.otoy.com/forum/viewtopic.php?f=9&t=42540
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Uhlhorn
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Posts: 233
Joined: Wed Aug 19, 2015 8:02 pm

smicha wrote:I get you. I read your post and all the issues you posted (heavy distortions) look like a faulty gpu that handles the display. I have no knowledge on imacs but some time ago I flashed bios on my gpus (not mobo) whlie having similar issues. IS there any chance to replace 680mx with any other gpu and test it?
There is nothing flashed or modified. All things are original. Only the driver is installed from Nvidia.
The GPU is a chip soldered on the main board: https://de.ifixit.com/Teardown/iMac+Int ... down/17828
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