# Detailed Routing abort on libc.so.6

Tool: Detailed Routing

Subcategory: Crash report

## Conversation

### marcopoles
Hi ,
I'm working on tsmc 40nm porting and the flow stops to work on detailed routing with this error:

![image](https://github.com/The-OpenROAD-Project/OpenROAD/assets/24896919/7c4d6959-f126-4b62-940f-2b3ec59e3d26)

Do you have any suggestion about the problem?

Thanks

PS: working on not open source PDK I can't submit a testcase

### maliberty
@osamahammad21 any guesses?


### osamahammad21
@marcopoles Could you build openroad in DEBUG mode so that I can locate exactly at which line does this happen?

### marcopoles
Hi, here the new output:
<img width="883" alt="image" src="https://github.com/The-OpenROAD-Project/OpenROAD/assets/24896919/bcd2041d-b033-47e4-a166-9304b0c63bfc">


### osamahammad21
@refaay Could you start a PR to ignore via definitions that include masterslice layers in DRT?

### refaay
Submitted PR #4149 to ignore masterslice vias in drt.
PR #4149 merged.