---
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title: "Thread: gf180mcuD lvs check error -- layout cell pin order mismatch"
slug: wsd-gf180mcud-lvs-check-error-layout-cell-pin-orde-ce0eb04b
route: /evidence/i-information/questions/threads/gf180mcud-lvs-check-error-layout-cell-pin-orde
section: reference
access: public
summary: 19 Discord messages from ℹ️ - Information/⁉️-questions/threads/gf180mcud-lvs-check-error-layout-cell-pin-order-mismatch.md.
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tags: [discord, wafer-space, archive]
last_updated: 2026-08-19
talk_url: /evidence/i-information/questions/threads/gf180mcud-lvs-check-error-layout-cell-pin-orde.talk.md
talk_route: /evidence/i-information/questions/threads/gf180mcud-lvs-check-error-layout-cell-pin-orde/talk
---

# Thread: gf180mcuD lvs check error -- layout cell pin order mismatch

Category: **ℹ️ - Information**
Parent channel: **#⁉️-questions**
Thread ID: `1433688821479772180`

Messages: **19**

## message-1433688821479772180

**2025-10-31T05:27:31.691+00:00 — Evansika (@xintingjiang_36756)**

- Message ID: `1433688821479772180`
- Author ID: `1413605821430104114`
- Nickname: Evansika
- User name: xintingjiang_36756
- Type: `Default`
- Discord message: https://discord.com/channels/1361349522684510449/1433688821479772180/1433688821479772180
- Archive source: https://discord.wafer.space/wafer-space/%E2%84%B9%EF%B8%8F%20-%20Information/%E2%81%89%EF%B8%8F-questions/gf180mcud-lvs-check-error-layout-cell-pin-order-mismatch/2025-10/2025-10.json
- Archive source: https://discord.wafer.space/wafer-space/Information/questions/gf180mcud-lvs-check-error-layout-cell-pin-order-mismatch/2025-10/2025-10.json

**Content**

```text
Hi all,

I running the lvs check using klayout 0.30.2 and use the latest gf180mcuD version. What is weird is that I can pass lvs check for the same design using an earlier version of the gf180mcu pdk and failed when I use the updated one. The lvs report is attached.
My question is it seems that the root of the problem is the pin order and number of pins do not match for std cell in .cdl file(schematic) and in .cir file(layout extracted).
I attached the screen shot for the nor gate for instance. The subckt in cdl has 7 pins defined and in layout there are 9 pins. The extra two pins are VPW and VNW which were not there in earlier version. I've tried tight VPW to VSS and VNW to VDD and define gf180mcu_gnd and the VSS as the same net. These errors were still not resolved.

I was wondering has anyone met similar problem before or is there any workaround about this?
Many thanks in advance!
```

**Attachments**

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- Resolved media URL: https://discord.wafer.space/wafer-space/%E2%84%B9%EF%B8%8F%20-%20Information/%E2%81%89%EF%B8%8F-questions/gf180mcud-lvs-check-error-layout-cell-pin-order-mismatch/2025-10/2025-10_media/get_attachment_url-8A860.png
- Resolved media URL: https://discord.wafer.space/wafer-space/%E2%84%B9%EF%B8%8F%20-%20Information/%E2%81%89%EF%B8%8F-questions/gf180mcud-lvs-check-error-layout-cell-pin-order-mismatch/2025-10/2025-10_media/get_attachment_url-7FFB3.png
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---

## message-1433748976523415605

**2025-10-31T09:26:33.771+00:00 — Leo Moser (mole99) (@mole99)**

- Message ID: `1433748976523415605`
- Author ID: `323371864074485771`
- Nickname: Leo Moser (mole99)
- User name: mole99
- Type: `Default`
- Discord message: https://discord.com/channels/1361349522684510449/1433688821479772180/1433748976523415605
- Archive source: https://discord.wafer.space/wafer-space/%E2%84%B9%EF%B8%8F%20-%20Information/%E2%81%89%EF%B8%8F-questions/gf180mcud-lvs-check-error-layout-cell-pin-order-mismatch/2025-10/2025-10.json
- Archive source: https://discord.wafer.space/wafer-space/Information/questions/gf180mcud-lvs-check-error-layout-cell-pin-order-mismatch/2025-10/2025-10.json

**Content**

```text
Hi!

When you say the latest gf180mcuD version, do you mean the one from open_pdks or the one from wafer.space?
There shouldn't be any changes to the KLayout LVS setup in either of them in the recent versions.

Could you find out which changes have been made to the KLayout LVS setup that cause it to fail?
```

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---

## message-1433845084058554579

**2025-10-31T15:48:27.593+00:00 — Evansika (@xintingjiang_36756)**

- Message ID: `1433845084058554579`
- Author ID: `1413605821430104114`
- Nickname: Evansika
- User name: xintingjiang_36756
- Type: `Default`
- Discord message: https://discord.com/channels/1361349522684510449/1433688821479772180/1433845084058554579
- Archive source: https://discord.wafer.space/wafer-space/%E2%84%B9%EF%B8%8F%20-%20Information/%E2%81%89%EF%B8%8F-questions/gf180mcud-lvs-check-error-layout-cell-pin-order-mismatch/2025-10/2025-10.json
- Archive source: https://discord.wafer.space/wafer-space/Information/questions/gf180mcud-lvs-check-error-layout-cell-pin-order-mismatch/2025-10/2025-10.json

**Content**

```text
Hi! We used volare to configure the gf180mcu pdk, the hash value for the pdk version is attached. It is the latest version released this Aug
```

**Attachments**

- Resolved media URL: https://discord.wafer.space/wafer-space/%E2%84%B9%EF%B8%8F%20-%20Information/%E2%81%89%EF%B8%8F-questions/gf180mcud-lvs-check-error-layout-cell-pin-order-mismatch/2025-10/2025-10_media/image-20977.png
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## message-1433872587028693163

**2025-10-31T17:37:44.812+00:00 — Evansika (@xintingjiang_36756)**

- Message ID: `1433872587028693163`
- Author ID: `1413605821430104114`
- Nickname: Evansika
- User name: xintingjiang_36756
- Type: `Default`
- Discord message: https://discord.com/channels/1361349522684510449/1433688821479772180/1433872587028693163
- Archive source: https://discord.wafer.space/wafer-space/%E2%84%B9%EF%B8%8F%20-%20Information/%E2%81%89%EF%B8%8F-questions/gf180mcud-lvs-check-error-layout-cell-pin-order-mismatch/2025-10/2025-10.json
- Archive source: https://discord.wafer.space/wafer-space/Information/questions/gf180mcud-lvs-check-error-layout-cell-pin-order-mismatch/2025-10/2025-10.json

**Content**

```text
oh for this coming up tapeout, what is the correct gf180mcu pdk version to use?
```

<details>
<summary>Other message metadata</summary>

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---

## message-1433880759130783755

**2025-10-31T18:10:13.193+00:00 — Leo Moser (mole99) (@mole99)**

- Message ID: `1433880759130783755`
- Author ID: `323371864074485771`
- Nickname: Leo Moser (mole99)
- User name: mole99
- Type: `Default`
- Discord message: https://discord.com/channels/1361349522684510449/1433688821479772180/1433880759130783755
- Archive source: https://discord.wafer.space/wafer-space/%E2%84%B9%EF%B8%8F%20-%20Information/%E2%81%89%EF%B8%8F-questions/gf180mcud-lvs-check-error-layout-cell-pin-order-mismatch/2025-10/2025-10.json
- Archive source: https://discord.wafer.space/wafer-space/Information/questions/gf180mcud-lvs-check-error-layout-cell-pin-order-mismatch/2025-10/2025-10.json

**Content**

```text
In order to submit your design, it must pass the [gf180mcu-precheck](https://github.com/wafer-space/gf180mcu-precheck).
You can run it locally, later it will also be available through the platform.

The precheck uses the wafer.space fork of the PDK: https://github.com/wafer-space/gf180mcu
We use this fork for the [gf180mcu-project-template](https://github.com/wafer-space/gf180mcu-project-template).

The fork has mostly changes around the LibreLane configuration, and we intend to upstream all changes in the near future.
```

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---

## message-1433880790718222457

**2025-10-31T18:10:20.724+00:00 — Leo Moser (mole99) (@mole99)**

- Message ID: `1433880790718222457`
- Author ID: `323371864074485771`
- Nickname: Leo Moser (mole99)
- User name: mole99
- Type: `Default`
- Discord message: https://discord.com/channels/1361349522684510449/1433688821479772180/1433880790718222457
- Archive source: https://discord.wafer.space/wafer-space/%E2%84%B9%EF%B8%8F%20-%20Information/%E2%81%89%EF%B8%8F-questions/gf180mcud-lvs-check-error-layout-cell-pin-order-mismatch/2025-10/2025-10.json
- Archive source: https://discord.wafer.space/wafer-space/Information/questions/gf180mcud-lvs-check-error-layout-cell-pin-order-mismatch/2025-10/2025-10.json

**Content**

```text
Please do not use volare anymore, it has been replaced by [ciel](https://github.com/fossi-foundation/ciel).
```

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---

## message-1433881152510492702

**2025-10-31T18:11:46.982+00:00 — Leo Moser (mole99) (@mole99)**

- Message ID: `1433881152510492702`
- Author ID: `323371864074485771`
- Nickname: Leo Moser (mole99)
- User name: mole99
- Type: `Default`
- Discord message: https://discord.com/channels/1361349522684510449/1433688821479772180/1433881152510492702
- Archive source: https://discord.wafer.space/wafer-space/%E2%84%B9%EF%B8%8F%20-%20Information/%E2%81%89%EF%B8%8F-questions/gf180mcud-lvs-check-error-layout-cell-pin-order-mismatch/2025-10/2025-10.json
- Archive source: https://discord.wafer.space/wafer-space/Information/questions/gf180mcud-lvs-check-error-layout-cell-pin-order-mismatch/2025-10/2025-10.json

**Content**

```text
Still, it is strange that you get this error since there haven't been any recent changes to the KLayout LVS setup. See here: https://github.com/fossi-foundation/globalfoundries-pdk-libs-gf180mcu_fd_pv/tree/main/klayout/lvs
```

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---

## message-1433881332420968498

**2025-10-31T18:12:29.876+00:00 — Leo Moser (mole99) (@mole99)**

- Message ID: `1433881332420968498`
- Author ID: `323371864074485771`
- Nickname: Leo Moser (mole99)
- User name: mole99
- Type: `Default`
- Discord message: https://discord.com/channels/1361349522684510449/1433688821479772180/1433881332420968498
- Archive source: https://discord.wafer.space/wafer-space/%E2%84%B9%EF%B8%8F%20-%20Information/%E2%81%89%EF%B8%8F-questions/gf180mcud-lvs-check-error-layout-cell-pin-order-mismatch/2025-10/2025-10.json
- Archive source: https://discord.wafer.space/wafer-space/Information/questions/gf180mcud-lvs-check-error-layout-cell-pin-order-mismatch/2025-10/2025-10.json

**Content**

```text
Can you find if there is a difference in the LVS setup between these two PDK versions?
```

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---

## message-1433881638604898375

**2025-10-31T18:13:42.876+00:00 — Leo Moser (mole99) (@mole99)**

- Message ID: `1433881638604898375`
- Author ID: `323371864074485771`
- Nickname: Leo Moser (mole99)
- User name: mole99
- Type: `Default`
- Discord message: https://discord.com/channels/1361349522684510449/1433688821479772180/1433881638604898375
- Archive source: https://discord.wafer.space/wafer-space/%E2%84%B9%EF%B8%8F%20-%20Information/%E2%81%89%EF%B8%8F-questions/gf180mcud-lvs-check-error-layout-cell-pin-order-mismatch/2025-10/2025-10.json
- Archive source: https://discord.wafer.space/wafer-space/Information/questions/gf180mcud-lvs-check-error-layout-cell-pin-order-mismatch/2025-10/2025-10.json

**Content**

```text
Finally, it looks like you are trying to create a digital design. Why not use LibreLane? It also performs LVS, but using magic and netgen.
```

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---

## message-1433890171945881651

**2025-10-31T18:47:37.383+00:00 — Evansika (@xintingjiang_36756)**

- Message ID: `1433890171945881651`
- Author ID: `1413605821430104114`
- Nickname: Evansika
- User name: xintingjiang_36756
- Type: `Default`
- Discord message: https://discord.com/channels/1361349522684510449/1433688821479772180/1433890171945881651
- Archive source: https://discord.wafer.space/wafer-space/%E2%84%B9%EF%B8%8F%20-%20Information/%E2%81%89%EF%B8%8F-questions/gf180mcud-lvs-check-error-layout-cell-pin-order-mismatch/2025-10/2025-10.json
- Archive source: https://discord.wafer.space/wafer-space/Information/questions/gf180mcud-lvs-check-error-layout-cell-pin-order-mismatch/2025-10/2025-10.json

**Content**

```text
Thanks a lot! I think I will try LibreLane flow first.
```

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---

## message-1434207426000978041

**2025-11-01T15:48:16.644+00:00 — Evansika (@xintingjiang_36756)**

- Message ID: `1434207426000978041`
- Author ID: `1413605821430104114`
- Nickname: Evansika
- User name: xintingjiang_36756
- Type: `Default`
- Discord message: https://discord.com/channels/1361349522684510449/1433688821479772180/1434207426000978041
- Archive source: https://discord.wafer.space/wafer-space/%E2%84%B9%EF%B8%8F%20-%20Information/%E2%81%89%EF%B8%8F-questions/gf180mcud-lvs-check-error-layout-cell-pin-order-mismatch/2025-11/2025-11.json
- Archive source: https://discord.wafer.space/wafer-space/Information/questions/gf180mcud-lvs-check-error-layout-cell-pin-order-mismatch/2025-11/2025-11.json

**Content**

```text
Hi Leo, I don't know if it was me but I cannot open the doc for nix-based installation for librelane: https://librelane.readthedocs.io/en/latest/getting_started/common/nix_installation/index.html    Is this link outdated?
```

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---

## message-1434266018242498721

**2025-11-01T19:41:06.123+00:00 — Evansika (@xintingjiang_36756)**

- Message ID: `1434266018242498721`
- Author ID: `1413605821430104114`
- Nickname: Evansika
- User name: xintingjiang_36756
- Type: `Default`
- Edited: 2025-11-01T19:44:28.253+00:00
- Discord message: https://discord.com/channels/1361349522684510449/1433688821479772180/1434266018242498721
- Archive source: https://discord.wafer.space/wafer-space/%E2%84%B9%EF%B8%8F%20-%20Information/%E2%81%89%EF%B8%8F-questions/gf180mcud-lvs-check-error-layout-cell-pin-order-mismatch/2025-11/2025-11.json
- Archive source: https://discord.wafer.space/wafer-space/Information/questions/gf180mcud-lvs-check-error-layout-cell-pin-order-mismatch/2025-11/2025-11.json

**Content**

```text
I can open this tutorial though: https://librelane.readthedocs.io/en/latest/getting_started/newcomers/index.html
```

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---

## message-1434269379419177142

**2025-11-01T19:54:27.49+00:00 — Leo Moser (mole99) (@mole99)**

- Message ID: `1434269379419177142`
- Author ID: `323371864074485771`
- Nickname: Leo Moser (mole99)
- User name: mole99
- Type: `Default`
- Discord message: https://discord.com/channels/1361349522684510449/1433688821479772180/1434269379419177142
- Archive source: https://discord.wafer.space/wafer-space/%E2%84%B9%EF%B8%8F%20-%20Information/%E2%81%89%EF%B8%8F-questions/gf180mcud-lvs-check-error-layout-cell-pin-order-mismatch/2025-11/2025-11.json
- Archive source: https://discord.wafer.space/wafer-space/Information/questions/gf180mcud-lvs-check-error-layout-cell-pin-order-mismatch/2025-11/2025-11.json

**Content**

```text
Here you go: https://librelane.readthedocs.io/en/latest/installation/nix_installation/index.html
```

**Reactions**

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---

## message-1434269490098733107

**2025-11-01T19:54:53.878+00:00 — Leo Moser (mole99) (@mole99)**

- Message ID: `1434269490098733107`
- Author ID: `323371864074485771`
- Nickname: Leo Moser (mole99)
- User name: mole99
- Type: `Default`
- Discord message: https://discord.com/channels/1361349522684510449/1433688821479772180/1434269490098733107
- Archive source: https://discord.wafer.space/wafer-space/%E2%84%B9%EF%B8%8F%20-%20Information/%E2%81%89%EF%B8%8F-questions/gf180mcud-lvs-check-error-layout-cell-pin-order-mismatch/2025-11/2025-11.json
- Archive source: https://discord.wafer.space/wafer-space/Information/questions/gf180mcud-lvs-check-error-layout-cell-pin-order-mismatch/2025-11/2025-11.json

**Content**

```text
The docs have changed recently and I still need to update the links in the template.
```

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---

## message-1434280640638877737

**2025-11-01T20:39:12.374+00:00 — Evansika (@xintingjiang_36756)**

- Message ID: `1434280640638877737`
- Author ID: `1413605821430104114`
- Nickname: Evansika
- User name: xintingjiang_36756
- Type: `Default`
- Discord message: https://discord.com/channels/1361349522684510449/1433688821479772180/1434280640638877737
- Archive source: https://discord.wafer.space/wafer-space/%E2%84%B9%EF%B8%8F%20-%20Information/%E2%81%89%EF%B8%8F-questions/gf180mcud-lvs-check-error-layout-cell-pin-order-mismatch/2025-11/2025-11.json
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**Content**

```text
Thanks Leo! I am able to install librelane on my mac machine(nix based). However I ran into the errors below when I try to run "librelane --smoke-test" Should I ignore this and proceed with my designs?
```

**Attachments**

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---

## message-1434284147785990317

**2025-11-01T20:53:08.543+00:00 — Leo Moser (mole99) (@mole99)**

- Message ID: `1434284147785990317`
- Author ID: `323371864074485771`
- Nickname: Leo Moser (mole99)
- User name: mole99
- Type: `Default`
- Discord message: https://discord.com/channels/1361349522684510449/1433688821479772180/1434284147785990317
- Archive source: https://discord.wafer.space/wafer-space/%E2%84%B9%EF%B8%8F%20-%20Information/%E2%81%89%EF%B8%8F-questions/gf180mcud-lvs-check-error-layout-cell-pin-order-mismatch/2025-11/2025-11.json
- Archive source: https://discord.wafer.space/wafer-space/Information/questions/gf180mcud-lvs-check-error-layout-cell-pin-order-mismatch/2025-11/2025-11.json

**Content**

```text
That's really strange. Is an error shown above?
You can try running the template, but I don't have much hope if the smoke test doesn't even work.
```

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---

## message-1434286583049097348

**2025-11-01T21:02:49.155+00:00 — Evansika (@xintingjiang_36756)**

- Message ID: `1434286583049097348`
- Author ID: `1413605821430104114`
- Nickname: Evansika
- User name: xintingjiang_36756
- Type: `Default`
- Discord message: https://discord.com/channels/1361349522684510449/1433688821479772180/1434286583049097348
- Archive source: https://discord.wafer.space/wafer-space/%E2%84%B9%EF%B8%8F%20-%20Information/%E2%81%89%EF%B8%8F-questions/gf180mcud-lvs-check-error-layout-cell-pin-order-mismatch/2025-11/2025-11.json
- Archive source: https://discord.wafer.space/wafer-space/Information/questions/gf180mcud-lvs-check-error-layout-cell-pin-order-mismatch/2025-11/2025-11.json

**Content**

```text
Yes, I also didn't expect that. I went to staight to the smke-test without changing anything after installation. So I really do not know how to fix it. Can you run the smoke-test on your end just to check?
```

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<summary>Other message metadata</summary>

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---

## message-1434731280242577430

**2025-11-03T02:29:53.228+00:00 — Evansika (@xintingjiang_36756)**

- Message ID: `1434731280242577430`
- Author ID: `1413605821430104114`
- Nickname: Evansika
- User name: xintingjiang_36756
- Type: `Default`
- Discord message: https://discord.com/channels/1361349522684510449/1433688821479772180/1434731280242577430
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**Content**

```text
Update: I tried the smoke test again on my ubuntu machine, it passed. But on mac I still couldn't get it to work
```

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---

## message-1434803135863324692

**2025-11-03T07:15:24.943+00:00 — Leo Moser (mole99) (@mole99)**

- Message ID: `1434803135863324692`
- Author ID: `323371864074485771`
- Nickname: Leo Moser (mole99)
- User name: mole99
- Type: `Default`
- Discord message: https://discord.com/channels/1361349522684510449/1433688821479772180/1434803135863324692
- Archive source: https://discord.wafer.space/wafer-space/%E2%84%B9%EF%B8%8F%20-%20Information/%E2%81%89%EF%B8%8F-questions/gf180mcud-lvs-check-error-layout-cell-pin-order-mismatch/2025-11/2025-11.json
- Archive source: https://discord.wafer.space/wafer-space/Information/questions/gf180mcud-lvs-check-error-layout-cell-pin-order-mismatch/2025-11/2025-11.json

**Content**

```text
Hi @Evansika, can you post an issue on the [gf180mcu-project-template](github.com/wafer-space/gf180mcu-project-template) with all the information about your platform? Most importantly, is it an Intel or ARM mac?
```

**Reactions**

- Resolved media URL: https://discord.wafer.space/wafer-space/%E2%84%B9%EF%B8%8F%20-%20Information/%E2%81%89%EF%B8%8F-questions/gf180mcud-lvs-check-error-layout-cell-pin-order-mismatch/2025-11/2025-11_media/1f44d-27259.svg
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---