Bump map causes edge artifacts

[kosso_olli]

Thanks for the praise, but you are irritating me indeed. Turbosmooth on tesselated Nurbs data? Try it, you would be surprised whats happening.
Trust me, I have tried absolutely everything, it is a 100% V-Ray issue that can not be fixed otherwise.

[Crayox13]

Not sure if this is related but did you try to put the bump map in vraycolor2bump?

[svetlozar.draganov]

Was the issue ever fixed? I still get this from time to time.

It's not unfortunately.