# Segment fault error occurs when deploy node-red-node-serial in openWRT
**URL:** https://discourse.nodered.org/t/segment-fault-error-occurs-when-deploy-node-red-node-serial-in-openwrt/63842
**Category:** General
**Created:** [13 June 2022 07:16 UTC](https://discourse.nodered.org/t/segment-fault-error-occurs-when-deploy-node-red-node-serial-in-openwrt/63842 "2022-06-13T07:16:52Z")
**Posts on this page:** 12
**Page:** 1
### Author:  [@vincentlin\_artt](https://discourse.nodered.org/u/vincentlin_artt)
#### Post date: [13 June 2022 07:16 UTC](https://discourse.nodered.org/t/segment-fault-error-occurs-when-deploy-node-red-node-serial-in-openwrt/63842/1 "2022-06-13T07:16:52Z")
Hi, experts:
First, I'm new for this forum but loved node-RED very much and used it for education years.
Here is my environment:
1. raspberry pi cm4(8G/8G) with a motherboard.
2. opwnWRT kernel version:5.10.113
3. version of node.js:16.15.1, npm: 8.11.0
4. install node-RED and node-red-node-serial via:
4.1 opkg update
4.2 opkg install node && node-npm
4.3 npm i -g node-red
4.4 manage palette \> install \> node-red-node-serial
Everything runs well except I define a serial-port node then deploy it, then segment fault occurs,
I tried everything as far as I know, still unable to solve it, hope anyone of you can help me.
ps. character device /dev/ttyAMA1 is working fine with minicom connection test, so I thing H/W allocations should be O.K. I also add the permission to it by chmod 777, but it still occur segment fault error.
appreciate in advance!
Vincent
---
### Author:  [@dceejay](https://discourse.nodered.org/u/dceejay)
#### Post date: [13 June 2022 08:14 UTC](https://discourse.nodered.org/t/segment-fault-error-occurs-when-deploy-node-red-node-serial-in-openwrt/63842/2 "2022-06-13T08:14:00Z")
I guess the serialport binaries are not correct... can you go into the /root/.node-red directory and run `npm rebuild` and see if that is successful
---
### Author:  [@vincentlin\_artt](https://discourse.nodered.org/u/vincentlin_artt)
#### Post date: [13 June 2022 08:22 UTC](https://discourse.nodered.org/t/segment-fault-error-occurs-when-deploy-node-red-node-serial-in-openwrt/63842/3 "2022-06-13T08:22:36Z")
Thanks, dceejay:
I did, same error occurs.
---
### Author:  [@dceejay](https://discourse.nodered.org/u/dceejay)
#### Post date: [13 June 2022 09:23 UTC](https://discourse.nodered.org/t/segment-fault-error-occurs-when-deploy-node-red-node-serial-in-openwrt/63842/4 "2022-06-13T09:23:42Z")
I would have expected some output from the rebuild... can you try `npm rebuild node-red-node-serialport --verbose` ?
or maybe
```auto
cd .node-red
npm uninstall node-red-node-serialport
npm install node-red-node-serialport --build-from-source
```
---
### Author:  [@vincentlin\_artt](https://discourse.nodered.org/u/vincentlin_artt)
#### Post date: [14 June 2022 00:59 UTC](https://discourse.nodered.org/t/segment-fault-error-occurs-when-deploy-node-red-node-serial-in-openwrt/63842/5 "2022-06-14T00:59:37Z")
hi, dceejay:
Here is my result:
1. npm rebuild node-red-node-serialport --verbose
--\> build result: OK and Situation is same, segmentation fault.
2. npm uninstall node-red-node-serialport
npm install node-red-node-serialport --build-from-source
--\> lots of error came out, attached files are the rebuild logs for those 2 commands.
Please have a look, appreciate again.
[build-from-source-erros.log](https://discourse.nodered.org/uploads/short-url/4uY5WgyShZAIWk07aItNznvuAuS.log) (17.5 KB)
[rebuild-OK.log](https://discourse.nodered.org/uploads/short-url/2sUvNRM73UkBelAZs6HLtoRLa4d.log) (9.1 KB)
---
### Author:  [@vincentlin\_artt](https://discourse.nodered.org/u/vincentlin_artt)
#### Post date: [14 June 2022 02:08 UTC](https://discourse.nodered.org/t/segment-fault-error-occurs-when-deploy-node-red-node-serial-in-openwrt/63842/6 "2022-06-14T02:08:05Z")
> [@vincentlin\_artt](#):
>
> npm install node-red-node-serialport --build-from-source
Hi, Sir:
I updated python tp 3.10.4 and do npm install node-red-node-serialport --build-from-source again,
still not success and came out errors, log is as attached.
Please have a look.
thanks again.
[updated-python-build-from-source-error.log](https://discourse.nodered.org/uploads/short-url/2kkAaEvOjW0rSvnZfL5uGq6LhzP.log) (17.4 KB)
---
### Author:  [@dceejay](https://discourse.nodered.org/u/dceejay)
#### Post date: [14 June 2022 06:50 UTC](https://discourse.nodered.org/t/segment-fault-error-occurs-when-deploy-node-red-node-serial-in-openwrt/63842/7 "2022-06-14T06:50:57Z")
Right so you also need the rest of the build tools. Usually gcc and make. There is probably a package that includes them all for openwrt , you can remove them once we get this to work if you need the space back.
---
### Author:  [@vincentlin\_artt](https://discourse.nodered.org/u/vincentlin_artt)
#### Post date: [14 June 2022 09:39 UTC](https://discourse.nodered.org/t/segment-fault-error-occurs-when-deploy-node-red-node-serial-in-openwrt/63842/8 "2022-06-14T09:39:17Z")
dear dceejay sir:
I'v tried my best to install the required package for openwrt, there was some progresses, however, there is still errors (
npm ERR! code 1
npm ERR! path /root/.node-red/node\_modules/@serialport/bindings-cpp
.......
)
so I can't finish the rebuild process, may you take a look and help...
regards,
Vincent
[2022-06-14T09\_26\_46\_327Z-debug-0.log|attachment]
(upload://vWLA3FHw3ydxHUUly4446updNLR.log) (32.0 KB)
---
### Author:  [@vincentlin\_artt](https://discourse.nodered.org/u/vincentlin_artt)
#### Post date: [14 June 2022 10:03 UTC](https://discourse.nodered.org/t/segment-fault-error-occurs-when-deploy-node-red-node-serial-in-openwrt/63842/9 "2022-06-14T10:03:11Z")
> [@vincentlin\_artt](#):
>
> npm install node-red-node-serialport --build-from-source
Hi, Sir:
I finally finish npm install node-red-node-serialport --build-from-source process and complete from the message.
But ....
How come segmentation fault still happens....
Any idea or hint is much helpful
Vincent
---
### Author:  [@dceejay](https://discourse.nodered.org/u/dceejay)
#### Post date: [14 June 2022 11:03 UTC](https://discourse.nodered.org/t/segment-fault-error-occurs-when-deploy-node-red-node-serial-in-openwrt/63842/10 "2022-06-14T11:03:36Z")
the make command seemed to say it couldn't find libpthread - is that installed ?
but yes - you are into territory I have not explored so not sure how I can help much more.
---
### Author:  [@vincentlin\_artt](https://discourse.nodered.org/u/vincentlin_artt)
#### Post date: [15 June 2022 00:49 UTC](https://discourse.nodered.org/t/segment-fault-error-occurs-when-deploy-node-red-node-serial-in-openwrt/63842/11 "2022-06-15T00:49:47Z")
Dear Dceeja:
Many many thanks anyway.
Vincent
---
### Author:  [@system](https://discourse.nodered.org/u/system)
#### Post date: [14 August 2022 00:49 UTC](https://discourse.nodered.org/t/segment-fault-error-occurs-when-deploy-node-red-node-serial-in-openwrt/63842/12 "2022-08-14T00:49:57Z")
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