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Questions tagged [buildroot]

Questions about Buildroot: simple, efficient and easy-to-use tool to generate embedded Linux systems through cross-compilation.

-1
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1answer
26 views

Buildroot problem “modprobe: can't change directory to '4.4.34+'”

I am trying to build a working embedded system for Raspberry Pi Zero W with Buildroot. I'm testing it in QEMU for now. The system boots OK from sdcard.img, but the wifi drivers will not load. I am ...
0
votes
0answers
27 views

No login prompt on HDMI console

I have a minimalistic buildroot build on RPi2 and I was using the serial on PuTTY (UART pins connected via USB) to log in as root. However, I don't see an login prompt on my monitor when I connect ...
2
votes
2answers
534 views

Buildroot on Raspberry Pi With Lightning Bolt on Boot

I'm attempting to get a minimal buildroot system up and running on my Raspberry Pi 3 B+ but after I've flashed the SD card, installed the card, powered up the pi, and connect an HDMI cable, I only ...
1
vote
2answers
161 views

vcgencmd in buildroot

I am using buildroot to create a custom os for my raspberry pi. I would like to use the vcgencmd command, but I am unable to find the package that includes these tools. I have tried searching the ...
1
vote
1answer
169 views

Building image on virtual raspberry

I need to reinstall my raspberry; I have a problem with bind missing libraries, and I have failed to solve the issue. But the raspberry is in use, tallying power and water usage, so I would hate the ...
0
votes
1answer
212 views

Display a pygame window on builroot custom linux

I'm using Buildroot 2018.02 to create a custom Linux to run my raspberry pi 3. I'm trying to display a pygame window on the external hdmi screen from command line. So far, I've been able to boot the ...
0
votes
1answer
1k views

Routing or bridging to connect eth0 and wlan0

I have the following setup: Device A (sensor, static ip=192.168.6.83) | | Enet connection | Device B (raspberry) | | Wifi | Device C (laptop) I have ...
0
votes
2answers
814 views

No command line interface on HDMI but kernel logs printed

I'm currently trying to build my own custom Linux OS for my Raspberry Pi 3 and am experiencing some trouble. I'm using buildroot v2018_2. I configured the system using make raspberrypi3_defconfig ...
1
vote
0answers
139 views

Slow NodeJS upstart time with buildroot, but fast with raspbian?

Building a small linux distro with buildroot using the raspberrypi_defconfig + nodeJS i get a 12+ second upstart on every single node file i try to run. If i on the other hand try it out in raspbian,...
2
votes
1answer
346 views

Problems making a distribution for the raspberry using buildroot

I'm trying to use buildroot to build a minimalist distribution targeted to the raspberry pi. I'm following a guide that was provided to me in a class, in my university. During that class I followed ...
0
votes
1answer
105 views

Why is ttyAMA0 initialization too long?

If I understand the dmesg output correctly, there is something happening for almost one second around the UART console initialization: [ 1.090771] 20201000.serial: ttyAMA0 at MMIO 0x20201000 (irq =...
0
votes
1answer
514 views

wiring pi gpio - no output

On a standard Raspberry Pi Zero W, with Debian Jessie, I have no problem using the Wiring Pi GPIO command line utility. Wiring Pi was installed using git, following the Wiring Pi website's guide. Now,...
1
vote
1answer
128 views

Partition's size in df -h is totally different than the size in /proc/partitions

I'm using buildroot to build a custom linux system for my raspi A+. Using genimage, I've created two partitions on a 1 GB sdcard. The first partion is the boot partition. It's vfat and it is 32 MB. ...
0
votes
1answer
2k views

buildroot wifi image for raspberry pi 3 does not work

I have prepared a configuration image with: rpi wifi firmware mdev wpa_supplicant configure network/interfaces to: iface wlan0 inet dhcp wpa-conf /etc/wpa_supplicant/...
1
vote
3answers
2k views

Running U-boot on a Pi Zero W

I'm trying to run u-boot on a Pi Zero W, but after powering up, the Pi shows only the rainbow screen. I used these instruction, but with a different config file, configs/rpi_defconfig. I also tried ...
2
votes
2answers
336 views

Populate /dev in Buildroot

I would like the /dev/i2c* devices to be populated in Buildroot for Pi zero after the i2c_dev module is inserted. Currently just modprobing the module does nothing. According the Buildroot doc I guess ...
3
votes
3answers
8k views

RPi3 + buildroot + U-boot

What I want to do: I am working on a project where we want to update our RPi on boot. We are working with buildroot successfully for almost one year. Now I am trying to get it work with U-boot. What ...
0
votes
1answer
443 views

How do I install Yepkit USB Switchable Hub?

I'm working on a project that utilizes the Yepkit USB Switchable Hub, but keep encountering a problem when attempting to build the Yepkit program on my Raspberry pi running Raspbian Jessie Lite. The ...
8
votes
1answer
10k views

How to boot raspberry pi very quickly into Linux?

I would like my pi zero to boot quickly (under 1 second) using Linux. In that case we can pretend it is embedded controller and not standard full blown (but slow) computer. Do you have any (...
0
votes
1answer
165 views

Run program from inittab, can´t get return´s from scripts

I am just working on a QT GUI program which is the only program executed on a minimal system build by buildroot for a RaspberryPi Compute Module. But I think this should not matter. My problem is ...
0
votes
1answer
155 views

Exclude kernel modules from plain Buildroot 2016.05 image

Buildroot is a great tool for creating a custom embedded linux system. If one builds a plain system without any changes from the default configuration using the current 2016.05 version one ends up ...
1
vote
2answers
276 views

Issues in cross compiling buildroot for Raspberry Pi 2

Facing the issue below while building a custom OS for the Pi 2 using buildroot, all the configs and everything are going fine . Whenever I try to compile the image, I'm facing this issue. make ARCH=...
1
vote
3answers
72 views

Raspberry pi2 can't boot from sdcard

I have a Raspberry Pi 2 and I created a Linux distribution using buildroot. It generated an sdcard.img file. I tried to format my 8 GB SD card and flashing the sdcard.img on it using: sudo dd if=~/...
2
votes
2answers
7k views

Pi3 built-in WiFi and buildroot

I'm trying to port a buildroot build for Pi2 to Pi3. I got the build to boot cleanly by adding the 2710 DTB, but I cannot seem to get the built-in wifi going. I'm attempting to build with the kernel ...
0
votes
1answer
1k views

ssh: connect to host pi adress port 22: Connection refused

i'm having some trouble when trying to connect to my raspberry b+. i have used buildroot and add dropBear package for SSH . I gave the pi a static adress 10.42.0.5 and it's detected correctly in my ...
9
votes
6answers
7k views

How to connect and use ssh without a screen using BUILDROOT

I want to build a minimal system for raspberry pi (B+) to improve the performance of my face detection algorithm ... I have found BuildRoot : for the configuration i found that it's not necessary to ...
1
vote
2answers
2k views

Raspberry Pi2 not booting when linux being ported using buildroot

I am getting booting issue while porting linux image(zImage) on my raspberrypi2 board. The infrastructure in doing so are: Hardware Raspberry Pi 2 board USB to Serial converter Software: Ubuntu 14....
4
votes
3answers
3k views

How to build My own OS for the raspberry or configure an existing one

I'm using Raspbian with raspberry pi 2 ... But i want to customize it and remove some features that i don't really need , to take advantages on the performance and also to understand the procedure of ...
1
vote
1answer
910 views

What toolchain to use? Any real difference?

I'm starting with buildroot for my Raspberry PI 2 project. I've came to part where I need to select toolchain that will build whole project. I have two main options: use buildroot to build my own ...