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Can't Render with GPU Anymore after nVidia Driver Update

jbarooshjbaroosh Posts: 35
edited February 2019 in Technical Help (nuts n bolts)

Hello Everyone,

I have a nvidia GeForce FTX 1080 Ti and it worked great a couple of days ago for DAZ studio iRay rendering. Yesterday I download version 418.91 of the newest geforce driver (released on 2/13/2019) and now suddenly I can't render anything with my GPU, the render goes straight to CPU no matter what. I tried a test render with just Genesis 8 Female by itself and DAZ dropped immediately to CPU at the very start.

I made sure that I have GeForce FTX 1080 Ti selected for rendering in the Advanced Tab of Render settings. DAZ detects my GPU but will not use it. I have attached screenshots of my GPU and Daz info.

I would like to note that I have never had this problem before with my computer. I've done so many complicated renders in the past using my GPU and now I can't render anything. I have tried rebooting my computer and restarting Daz multiple times but that doesn't help. I am completely out of ideas and desperately need assistance with this. Will I need to rollback my graphics driver? Or would the up-to-date graphics driver not have an impact?

Thanks in advance for your your help and advice!

 

GPU-Z Specs.png
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Daz Render Settings.png
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Daz Detect GPU.png
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Post edited by jbaroosh on

Comments

  • Richard HaseltineRichard Haseltine Posts: 102,724

    Yes, this is a known issue with the latest nVidia drivers - it affects all versions of Iray, and apparently Octane too. The fix is to go back to an older version, I believe 417.71 is the newest that works.

  • jbarooshjbaroosh Posts: 35
    edited February 2019

    Thanks so much Richard, I will try that!

    Edit: It worked! I uninstalled my current drivers and then installed version 417.71 and everything is back to normal. Thanks again Richard!

    Post edited by jbaroosh on
  • damselnoir007damselnoir007 Posts: 24
    jbaroosh said:

    Thanks so much Richard, I will try that!

    Edit: It worked! I uninstalled my current drivers and then installed version 417.71 and everything is back to normal. Thanks again Richard!

    Please let us know if it works

  • fastbike1fastbike1 Posts: 4,078

    @damselnoir007 "Please let us know if it works"

    You quoted a post where the OP said it worked (twice).

  • kenshaw011267kenshaw011267 Posts: 3,805
    damselnoir007 said:
    jbaroosh said:

    Thanks so much Richard, I will try that!

    Edit: It worked! I uninstalled my current drivers and then installed version 417.71 and everything is back to normal. Thanks again Richard!

    Please let us know if it works

    417.71 works fine. I downgraded to it the day this all started.

  • HeckbarthHeckbarth Posts: 64

    Does the problem still exist? I'm using the NVidia 430.64 drivers on a brand new MSI GT 75 9SG-268 (RTX 2080 w/8 GByte) from which I just moved from a MacBook Pro (2014 Retina) as it seems Apple won't support NVidia anymore.

    Now I'm quite frustrated the GPU doesn't work though

    • the latest drivers are installed;
    • GPU itself is working in other applications;
    • the scene is just a basic sun/sky with a primitive, so definitely not too large.

    Is this a DAZ Studio or an iRay problem? Any newer driver that works? I'm a bit reluctant to downgrade the drivers because 417.71 is far below the MSI recommended version... :-o

  • HeckbarthHeckbarth Posts: 64

    Update to myself: Use DAZ Studio Beta, then the new drivers are supported (working w/ 430.64). So I assume it's a DAZ Studio problem.

  • kenshaw011267kenshaw011267 Posts: 3,805

    No. It's the version of iray in DS 4.10. It's from before the RTX cards and doesn't support them. $.11 has a newer version of iray which does.

  • HeckbarthHeckbarth Posts: 64

    Hi @kenshaw011267 - thanks for the hint, this is what I meant w/ "Use DAZ Studio Beta": Use https://www.daz3d.com/daz-studio-beta and rendering with newer RTX cards and according NVidia drivers should work. B.t.w. - I had to go to Render Settings->Advanced tab and deselect CPU here to avoid 100% CPU consumption. Now I have the strange effect, that the CPU utilization is at ~25-30% whereas GPU is at ~2-3% using 5.4 of 8 GByte RAM.

    Anyway, that's better than 100% CPU  wink

     

    20190517_CPU_DAZ_Studio_Beta_4.11.0.366_NVidia_latest.png
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    20190517_GPU_DAZ_Studio_Beta_4.11.0.366_NVidia_latest.png
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  • kenshaw011267kenshaw011267 Posts: 3,805
    edited May 2019

    That's roughly what you should expect. You need to view the CUDA activity to see what the GPU is doing during a render. Open task manager, switch to the performance tab, select your GPU and choose one of the graphs. At the top there will be the name of the graph and a down arrow. Click that and it will open a list of things you can display. Choose CUDA. It should be pretty much pegged throughout a render.

    Post edited by kenshaw011267 on
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