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harir38390885
Participant
September 29, 2025

Baking errors on new PC

  • September 29, 2025
  • 1 reply
  • 149 views

Tested this on a dummy file and i'm getting the same issues, images attached below.

 

So I just built a new PC and started working in substance again only to realize some of my bakes are completely broken. AO in particular has these weird artifacts appearing all over the model. The model and UVs are fine and my GPU drivers are updated to latest. At my wits end trying to fix this. PC spec is 7600x3d and 7900xtx with 32 gigs of ram. Windows 11. I'm using Substance Painter 2022 Steam Edition. 

    1 reply

    FarloNZ
    FarloNZ
    Participant
    October 1, 2025

    I just had a similar issue today on my new RX 9070 XT, using the same version of Substance Painter as you. A potential workaround is to disable GPU raytracing in Edit > Settings... > General > Baking Options. This will cause it to fall back to CPU-based baking, and works, but it takes an unfathomably long time by comparison (even on my 9950X3D).

    If anyone here is having the same issue with AMD cards on a newer version of Painter (eg. 2025), I'd love to know - seems like it could be a case of Adobe ditching modern GPU support for older versions of SP, which would suck if so. If not, it could be a problem with current AMD drivers.

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