`[ERROR]: during executing openroad script /openlane/scripts/openroad/droute.tcl` `[ERROR]: Exit cod...

xinze wang

09/12/2022, 7:49 AM

[ERROR]: during executing openroad script /openlane/scripts/openroad/droute.tcl

[ERROR]: Exit code: 1

[ERROR]: full log: ../root/rioschip/openlane/tutukaibai/runs/22_09_12_15_40/logs/routing/15-detailed.log

[ERROR]: Last 10 lines:

Units:                1000

Number of layers:     13

Number of macros:     447

Number of vias:       25

Number of viarulegen: 25

[INFO DRT-0150] Reading design.

[ERROR DRT-0302] Unsupported multiple pins on bterm vccd1

Error: droute.tcl, 46 DRT-0302

child process exited abnormally

@jeffdi @Matt Venn hello I met such problem in detail routing, please give me some advice to check

Vijayan Krishnan

09/12/2022, 7:51 AM

file github issue here: https://github.com/The-OpenROAD-Project/OpenLane/issues and reproducible test case

Matt Venn

09/12/2022, 8:01 AM

yeah, definitely need more info - pls do as @Vijayan Krishnan suggests

Arman Avetisyan

09/12/2022, 8:23 AM

seems you have a pin named vccd1. Do you have power pins declared?

Arman Avetisyan

09/12/2022, 8:23 AM

Post verilog code and config.tcl

Arman Avetisyan

09/12/2022, 8:24 AM

https://armleo-openlane.readthedocs.io/en/merge-window-4/docs/source/openram.html#power-ground-nets

Burak Aykenar

09/12/2022, 8:26 AM

I got LVS errors, this link could help https://open-source-silicon.slack.com/archives/C032Y8J3KHA/p1662557923878629

Burak Aykenar

09/12/2022, 8:26 AM

one issue for me was macro could be too small

Burak Aykenar

09/12/2022, 8:27 AM

another issue is wrong connections such as connection an output port signal of a module to an input port of the top module

Burak Aykenar

09/12/2022, 8:27 AM

check synth warnings

✅ 1

Matt Liberty

09/12/2022, 6:44 PM

The detailed router should not be working on vccd1 as that should be marked as a power net. You have something wrong in your earlier setup

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