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DS stalls when using Daz built in spotlight (iRay mode)

thrain9thrain9 Posts: 106
in Technical Help (nuts n bolts)

DS stalls when using Daz built in spotlight (iRay mode)

I can use HDRI domes for lighting, but any attempt to use any Daz lights (spot,point, etc,) results in DS stalling - it appears totally frozen and does not respond to inputs within the program, but will respond to shut down request using the red x. Sometimes this will also happen when using other sections of the app, but it is not consistent.

Task Manager show DS running, with cpu usage at 97% to 99.9%, after watching for 20 minutes the cpu usage bounces around between the two above percentages but never drops below 97%. memory usage is in the 1-8% range during this same time.

Is this a tech issue? or is this because I am using an "iRay potato"? Or??

==================

FYI: I do not have an Nvidia gpu currently, and can not afford one for several months.

Device name    NucBox_k11
Processor    AMD Ryzen 9 8945HS w/ Radeon 780M Graphics   4.00 GHz
Installed RAM    64.0 GB (47.8 GB usable)
System type    64-bit operating system, x64-based processor
Pen and touch    No pen or touch input is available for this display
Edition    Windows 11 Pro
Version    24H2
OS build    26100.4061
Experience    Windows Feature Experience Pack 1000.26100.84.0

Comments

  • jmucchiellojmucchiello Posts: 686

    IRAY is only directly supported by NVIDIA graphics cards. If you don't have one, the CPU does all rendering. So effectively all PCs with non-NVIDIA graphics cards are IRAY potatoes.

  • Richard HaseltineRichard Haseltine Posts: 108,347

    What does the log say (Help>Troubleshooting>VIew Log File)? You will need to scroll back past the start up messages for the new session, of course.

  • thrain9thrain9 Posts: 106

    Took me some time to sort through the log... several errors related to my render settings that I can fix, but also a number of warnings and errors listed I do not understand.  I have attached several selected warnings, and one complete session in the attached file.

    thanks Richard.

    txt
    txt
    2025-05-20 083003.656 [WARNING] sr.txt
    336K
  • Richard HaseltineRichard Haseltine Posts: 108,347 
    2025-05-20 11:18:37.240 [WARNING] :: \src\pluginsource\DzIrayRender\dzneuraymgr.cpp(373): Iray [WARNING] - CUDA:RENDER ::   0.0   CUDA   rend warn : The version of your CUDA driver is 0.0, but 12.2 is the required minimum
2025-05-20 11:18:37.240 [WARNING] :: \src\pluginsource\DzIrayRender\dzneuraymgr.cpp(373): Iray [WARNING] - CUDA:RENDER ::   0.0   CUDA   rend warn : Please update your display driver (current version ) (www.nvidia.com) to at least 537.13.

    is probably the first thiing to fix.

  • thrain9thrain9 Posts: 106

    Agreed, unfortunately my render machine died, motherboard and gpu, and i cannot afford to replace it for a while. luckily, i am a hobbyist so no client is involved! currently using a nuc box with ryzen 9 and integrated graphics,which i reconfigured to run DS cpu bound using all available cores and threads.

  • jmucchiellojmucchiello Posts: 686

    His specs above say he has a Radeon graphics card. Installing the NVIDIA drivers won't help at all.

  • Richard HaseltineRichard Haseltine Posts: 108,347

    jmucchiello said:

    His specs above say he has a Radeon graphics card. Installing the NVIDIA drivers won't help at all.

    Ah, so it does.

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