Upping the Render SubD Results in... This...
Out of boredom, I threw a photo into face transfer and applied a material from an Isourcetextures model (along with the HD details). I added a few lights, made sure G8F was at render SubD level 4 and hit render. It resulted in the attached pic, which makes for great abstract art, but isn't much of a pin-up ;)
It's something to do with SubD, as Level 3 and below result in a normal image. No errors in the log and one model (even with geo at lvl 4) is well within the limits of what my 2080 can handle... Thoughts?

Comments
I have no idea what I am looking at from that pic.
In surfaces tab, what are your displacement SubD and displacement min/max distances.
What does the displacement texture look like?