4x RTX 2080ti crashes and a possible solution.

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4x RTX 2080ti crashes and a possible solution.

Postby ricchezza » Sun Aug 25, 2019 4:27 pm

ricchezza Sun Aug 25, 2019 4:27 pm
Hey guys! I just thought id share my very-very funny experience on solving issue with crashing of 3ds max and octane. Recently i've got myself a new pc for octane rendering.

XEON 2690v4
128G RAM
4xRTX2080ti
1700W PSU Enermax + 1200W PSU Cooler master
SSD + HDD
Win10pro

And of course i started rendering animations right away. Everything went cool and dandy. But at the beginning of august after all the driver updates and octane updates i started to have crashes in the kernel window and during rendering of frames. Of course i immediately contacted support and was told that it is probably lack of RAM (32 gigs at the moment of first issue) No problem i thought and got meself a set of 128 gig hyperx ram with xmp. It still crashed :)

Then support guy told me that it might actually be an insufficient power issue. Kinda 1700W is not really enough when denoising. Ok. I got myself a second 1200W Wattmaker PSU and dedicated 2 GPUs to it (i use a PSU synchronizer to make system start em simultaneously). Whaddya think? It continued to crash.

Then support guy told me that it is probably a GPU temperature or frequency issue. Got myself 6 more case fans. Temps are not higher than 60-70 Celsius - which is OK for blower type cards. Crashes continued.

Then support guy told me that it might actually be an issue with CPU voltage. At this moment i really started to doubt that their advice is going to help me.

So i searched and searched all the possible issues with 2080ti cards in the internet. And bumped onto a topic where a guy shared a case with 2080ti crashes while gaming on latest drivers. He suggested to downgrade to 417.71 version and told there that it helped him.

Well i did that. And ... It does not crash anymore. I did just a few tests and it crashed now and then but not as often as it did on latest drivers. For example - on newest drivers it crashed 100 out of 100 times. On 417.71 - just 1 out of 100 times. I will of course run more tests and will update this topic in the future. But i just thought to share with community and warn - please do not go for the most expensive solution if you have instabilities or crashes - JUST TRY DIFFERENT DRIVER VERSIONS FIRST!

I would really appreciate any opinion from people who has 2080ti cards and their experience .

UPD: After i downgraded the drivers it actually continued to crash but in a different manner. So i removed a second PSU, and went back to original 1700W for 4 cards. Then i got myself a power socket analyzer and made a test which has shown me that a total draw from power socket is not more than 1100-1150 during rendering for the whole PC runnning. So basically a second PSU is just not needed. 1700W is more than enough.

Luckily i have a second room which has a separate power line dedicated to heavy industrial equipment. So i got a power outlet extender and connected to a separated power socket with more than enough power.
And run a test. All went smoothly even with 2 cards dedicated for denoising.

All in all - here is a step by step analysis for those who experience crashes during rendering with denoiser put in a logical order. Probably this is applicable for all Octane plugins. Not just for 3Ds max.

1) Buy a power socket analyzer - check if the power drawn from socket is within your PSU power limit.
2) Try a different power socket (probably from another room or office) with enough juice to feed your PC.
3) Try different driver versions. Downgrade if you must.
4) Check GPU temperatures
5) Check GPU frequencies

My experiment did cost me 1000+ USD extra to my already costly machine so i just wish you all to avoid this kind of expense. Support guy just led me in a completely wrong order - buy more ram, get a new PSU etc. etc. So if devs are reading this thread - please use this kind of instruction as a primary advice for all people experiencing crashes. Please feel free to share your thoughts.
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Re: 4x RTX 2080ti crashes and a possible solution.

Postby coilbook » Tue Aug 27, 2019 11:35 pm

coilbook Tue Aug 27, 2019 11:35 pm
I can confirm max closes with the newest drivers 436.15 going back to 430.64

I think it is related to denoiser
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Re: 4x RTX 2080ti crashes and a possible solution.

Postby paride4331 » Wed Aug 28, 2019 7:05 am

paride4331 Wed Aug 28, 2019 7:05 am
coilbook wrote:I can confirm max closes with the newest drivers 436.15 going back to 430.64

I think it is related to denoiser


Hi coilbook,
are you using windows 7?
Regards
Paride
2 x Evga Titan X Hybrid / 3 x Evga RTX 2070 super Hybrid
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Re: 4x RTX 2080ti crashes and a possible solution.

Postby coilbook » Wed Aug 28, 2019 1:59 pm

coilbook Wed Aug 28, 2019 1:59 pm
paride4331 wrote:
coilbook wrote:I can confirm max closes with the newest drivers 436.15 going back to 430.64

I think it is related to denoiser


Hi coilbook,
are you using windows 7?
Regards
Paride

Hi Paride,
I am using windows 10
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Re: 4x RTX 2080ti crashes and a possible solution.

Postby paride4331 » Wed Aug 28, 2019 2:04 pm

paride4331 Wed Aug 28, 2019 2:04 pm
Hello coilbook,
As I told many times, please install Nvidia "studio driver", NOT "Game-ready" version.
431.70 studio driver works fine.
Regards
Paride
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Re: 4x RTX 2080ti crashes and a possible solution.

Postby Lewis » Wed Aug 28, 2019 8:55 pm

Lewis Wed Aug 28, 2019 8:55 pm
paride4331 wrote:Hello coilbook,
As I told many times, please install Nvidia "studio driver", NOT "Game-ready" version.
431.70 studio driver works fine.
Regards
Paride


What if people use same computer for work/rendering and gaming (Me don't but I know several Freelancers which do :))? Does "studio" drive have gaming FPS upgrades like Gaming drivers do or now-days people must give up one or other (Gaming or Rendering)?
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WS Dual Xeon E5-2698v4, 128GB RAM, Win10, 4 * RTX 2080Ti
RS1 i7 9800X, 64GB RAM, Win10, 3 * GTX 1080Ti
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Re: 4x RTX 2080ti crashes and a possible solution.

Postby MartinBoom » Thu Aug 29, 2019 5:50 am

MartinBoom Thu Aug 29, 2019 5:50 am
HI,

im using 430.86 drivers and windows 10 pro with the latest 1903 update and so far everythings looks and works ok.
dual gtx 1080ti

honestely i would buy more 1080ti (or pascal titans) rather than the overpriced and not that greater performance, yet, of those RTX. im i right? or am i missing something? of course the newst and coolest if you can afford it its allways ok.


thanks for the story and the advice.
the usual suspects for me are allways

1. nvidia drivers
2. windows update.
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Re: 4x RTX 2080ti crashes and a possible solution.

Postby paride4331 » Thu Aug 29, 2019 8:03 am

paride4331 Thu Aug 29, 2019 8:03 am
Lewis wrote:
paride4331 wrote:Hello coilbook,
As I told many times, please install Nvidia "studio driver", NOT "Game-ready" version.
431.70 studio driver works fine.
Regards
Paride


What if people use same computer for work/rendering and gaming (Me don't but I know several Freelancers which do :))? Does "studio" drive have gaming FPS upgrades like Gaming drivers do or now-days people must give up one or other (Gaming or Rendering)?


Lewis,
Game ready driver improvements have nothing to do with GPU render performance.
Regards
Paride
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Re: 4x RTX 2080ti crashes and a possible solution.

Postby ricchezza » Thu Aug 29, 2019 8:52 am

ricchezza Thu Aug 29, 2019 8:52 am
paride4331 wrote:Hello coilbook,
As I told many times, please install Nvidia "studio driver", NOT "Game-ready" version.
431.70 studio driver works fine.
Regards
Paride

So you're telling that using studio drivers prevents denoiser from crashing 3ds max while octane rendering?
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Re: 4x RTX 2080ti crashes and a possible solution.

Postby paride4331 » Thu Aug 29, 2019 9:09 am

paride4331 Thu Aug 29, 2019 9:09 am
Hi Ricchezza,
Octane team always recommended Studio driver since it was released (originally called creator).

From Nvidia driver download page:
"NVIDIA Studio Drivers provide artists, creators and 3D developers the best performance and reliability when working with creative applications. To achieve the highest level of reliability, Studio Drivers undergo extensive testing against multi-app creator workflows and multiple revisions of the top creative applications from Adobe to Autodesk and beyond.
Applications
Provides the optimal experience for the latest releases of top creative apps, including Magix VEGAS Pro v17, Autodesk Arnold, Allegorithmic Substance Painter 2019.2, Blender 2.80, Cinema 4D R21, and Otoy Octane Render 2019.2.
Hardware
Adds support for GeForce RTX 2080 SUPER, RTX 2070 SUPER, and RTX 2060 SUPER GPUs
Adds support for G-SYNC compatible monitors

https://render.otoy.com/forum/viewtopic.php?f=11&t=71098&p=359689&hilit=+pascal#p359689
Regards Paride
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