Questions tagged [buildroot]
Questions about Buildroot: simple, efficient and easy-to-use tool to generate embedded Linux systems through cross-compilation.
51 questions
-1 votes
2 answers
37 views
Buildroot, Configure wifi with IWD on pi3
I'm using buildroot 2025.08.1 for a rp3b. After create a minimal build based on default rpi3 defconfig, I tried to add wifi with IWD, following this tutorial without success. The only other change I ...
0 votes
0 answers
54 views
buildroot libcamera: "No cameras were identified on the system"
I'm trying to run the uvc-gadget application and I'm running into "No cameras were identified on the system" error from libcamera on my Raspberry Pi Zero 2 W using buildroot and am hoping ...
2 votes
0 answers
74 views
Error compiling libcamera-apps in buildroot
I'm currently working on integrating libcamera-apps into a Buildroot environment for a Raspberry Pi Zero 2W. My end goal is to successfully run the uvc-gadget while utilizing libcamera for camera ...
1 vote
0 answers
186 views
Raspberry Pi 4B: Wi-Fi (brcmfmac) Soft Blocked by RFKill on Boot - Buildroot
I'm hoping someone can assist me with an issue I'm encountering while building a custom image for a Raspberry Pi 4 Model B using Buildroot 2025.02-rc1 (commit a031b51637622570609807418d47d8441fdf2501)....
1 vote
0 answers
105 views
Issue with Wi-Fi connection in Buildroot using WPA2-PSK [closed]
I'm currently working with Buildroot to create a custom embedded system for my raspberry pi zero w , and I'm encountering an issue when trying to configure Wi-Fi with WPA2-PSK. I have configured my /...
0 votes
1 answer
159 views
i2c baudrate stored but not applied
I am having a bad time trying to set the baudrate of the i2c bus 0... Setup: RaspberryPi 3b with a buildroot Linux image. we communicate with our home-made bare-metal chips over i2c. after every ...
1 vote
0 answers
79 views
Process/Flow/steps for speeding of the booting time in raspberry pi for the cluster
I am using Raspberry pi for the cluster, that would display the basic data like the CAN data and one wire data. For can I used the Can-Socket and for one wire I am just reading a gpio pin of raspberry ...
0 votes
0 answers
866 views
Enable NetworkManager in buildroot
I compiled a Buildroot environment for RPi 3 B+. I have issues to enable NetworkManager. I selected BR2_PACKAGE_RPI_FIRMWARE and wlan0 is found: # nmcli dev status DEVICE TYPE STATE ...
3 votes
0 answers
325 views
Container on CM4 with Buildroot: fails with: "ctr: failed to mount /tmp/containerd-mount<n>: no such device"
I'm using Buildroot on a CM4. My intentions are to run Docker/OCI containers on that RPi CM4 board. I've enabled containerd as well as docker-engine/devicemapper filesystem driver and docker-engine/...
0 votes
1 answer
2k views
Raspberry Pi CM4 with buildroot not loading Wi-Fi wlan0 interface
I am running a custom buildroot + uboot software with a 5.15.78-v8 linux kernel for a Raspberry Pi CM4 and am finding that the Wi-Fi driver by default isn't being loaded. In dmesg, I am seeing these ...
0 votes
1 answer
378 views
RPI 4 and creation of scripts from buildroot
I want to know if it is possible to allow my system created by buildroot, to automate the execution of script which would allow for example, to switch from qwerty to azerty (maybe this option exists ...
0 votes
0 answers
3k views
How to sync system clock?
I have built a custom Linux OS for Raspberry Pi CM4 using Buildroot. I am able to boot it but my system clock is not synchronized. Its set to some static time and I want to show real time instead. I ...
1 vote
0 answers
2k views
Pi4 Electron GUI using Buildroot
Goal: I'd like to build an RPi4B image using Buildroot that can run web technology (e.g. NodeJS and Electron) as a touchscreen kiosk. What I've Tried: After initially using the latest stable version ...
0 votes
2 answers
1k views
SPI not getting enabled in Raspberry Pi 4 with custom-built Linux kernel
I have built Linux Kernel 5.10.36-v8 using Buildroot and using it into my Raspberry Pi 4B for the past few weeks. I recently wanted to enable SPI ports on the Raspberry Pi and followed the ...
2 votes
1 answer
1k views
vc4-fkms-v3d not loading on custom system build with buildroot using u-boot (RPi4)
I try to build a custom system using buildroot for RPi4 64Bit that should run a Qt application on the 7" touchscreen. Relevant parts from my buildroot (2020.11.1) defconfig: BR2_aarch64=y ...