open-source-silicon.dev

<https://github.com/The-OpenROAD-Project/OpenLane/issues/1740|#1740 OpenROAD order_wires fails in antenna_repair in global routing.>
Issue created by <https://github.com/mo-hosni|mo-hosni>
*Description*

The following error occurs frequently in OpenROAD `antenna_repair` in global routing.

```
[ERROR ODB-0390] order_wires failed: net some_net, shorts to another term at wire point (2894780 762450)
Error: groute.tcl, 41 ODB-0390
```

*Expected Behavior*

antenna_repair and global routing finish successfully

*Environment report*

```
Kernel: Linux v4.19.0-21-cloud-amd64
Distribution: debian 10
Python: v3.7.3 (OK)
Container Engine: docker v20.10.15 (OK)
OpenLane Git Version: d70884942e62945c564c7c5c23daea9d7ae58cce
pip: INSTALLED
python-venv: INSTALLED
---
PDK Version Verification Status: OK
---
Git Log (Last 3 Commits)                                                                                                                                      
                                                                                                                                                              
d7088494 2023-03-27T22:28:50+02:00 CI Updates (#1690) - Mohamed Gaber -  (HEAD, tag: 2023.03.28)                                                              
2e09573f 2023-03-27T20:30:59+02:00 Diode Insertion Overhaul (#1686) - Kareem Farid -  ()                                                                      
f4c6f5fe 2023-03-23T15:55:57+02:00 [BOT] Update openroad_app (#1681) - Openlane Bot -  (tag: 2023.03.24)                                                      
---                                                                                                                                                           
Git Remotes                                                                                                                                                   
                                                                                                                                                              
origin  <https://github.com/The-OpenROAD-Project/OpenLane> (fetch)                                                                                              
origin  <https://github.com/The-OpenROAD-Project/OpenLane> (push)
```

*Reproduction material*

<https://github.com/The-OpenROAD-Project/OpenLane/files/11201539/issue_reproducible.partaa.tar.gz|issue_reproducible.partaa.tar.gz>  
<https://github.com/The-OpenROAD-Project/OpenLane/files/11201541/issue_reproducible.partab.tar.gz|issue_reproducible.partab.tar.gz>

*Relevant log output*

```
[INFO GRT-0006] Repairing antennas, iteration 3.
[INFO GRT-0043] No OR_DEFAULT vias defined.
[INFO GRT-0012] Found 57 antenna violations.
[INFO GRT-0015] Inserted 674 diodes.
[INFO GRT-0054] Using detailed placer to place 167 diodes.
[INFO GRT-0009] rerouting 468 nets.
[INFO GRT-0001] Minimum degree: 2
[INFO GRT-0002] Maximum degree: 74
[INFO GRT-0006] Repairing antennas, iteration 4.
[INFO GRT-0043] No OR_DEFAULT vias defined.
[ERROR ODB-0390] order_wires failed: net mgmt_buffers.mprj2_vdd_logic1, shorts to another term at wire point (2894780 762450)
Error: groute.tcl, 41 ODB-0390
```
<https://github.com/The-OpenROAD-Project/OpenLane|The-OpenROAD-Project/OpenLane>

<https://github.com/The-OpenROAD-Project/OpenLane/issues/1740|#1740 OpenROAD order_wires fails in antenna_repair in global routing.>
Issue closed as completed by <https://github.com/maliberty|maliberty>
<https://github.com/The-OpenROAD-Project/OpenLane|The-OpenROAD-Project/OpenLane>