Maya-Arnold Displacement Map Issue

esphii

So I applied the map and this is what happens:


Arnold subdivision is set to Catclark.
Not sure why its so weird? It's very much effected by the edge loops going across the wall face but not sure why it would have such an effect? Why are some faces bumpier than others? I also tested it on a flat plane but it works fine.

Thanks in advance  

oglu

how high is the subD subdivided..? 
how does the geo look like... 

oglu

a good mesh for desplacement does have a even quad distribution...
like this here... those top meshes for sculpting...  http://www.brameulaers.net/tutorials/generic_wall_tutorial/generic_wall_tutorial.html

whats good for sculpting is good for dispalcement...

esphii

Thanks for the reply Oglu, oh I didn't know it had to have even quad distribution, I'll even it out.
but here is the geo: