Questions tagged [buildroot]

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

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1answer
61 views

Raspberry Pi 4 take 4-5 seconds to load GPU firmware and start to loading the kernel, is it normal?

I'm in the stage of optimizing Raspberry pi 4 startup time, supplied with a custom system image created by buildroot. I'm just trying to build a default image like this: git clone git://git.busybox....
0
votes
0answers
1k views

Warning: modules_install: missing 'System.map' file. Skipping depmod

I am trying to insert a kernel module using depmod and modprobe utilities in-order to resolve any dependencies. When I build the module it throws "Warning: modules_install: missing 'System.map' file. ...
6
votes
7answers
2k views

Using Raspberry Pi to flash its own SD card

I'm developing a Buildroot OS for the Raspberry Pi, and my workflow requires very frequent re-flashing of the SD card to test new iterations. The process of removing the SD card from the Pi, flashing ...
2
votes
2answers
769 views

“apt-get: command not found” issue on raspberry pi os built using Buildroot

I have built a sdcard.img for raspberry pi using Buildroot. When I run apt-get command it throws error "apt-get: command not found". I did not find apt-get/dpkg package to enable in 'make menuconfig' ...
1
vote
0answers
164 views

Facing issue in loading Ethernet Interface for Raspberry Pi 3 B+ buildroot

I am building a Custom OS using Buildroot. I am following this article to build the custom os. Author of that article gave a sample image of the os that will be created after the build is completed. ...
-1
votes
1answer
470 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
77 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
2k 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 ...
2
votes
2answers
331 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 ...
2
votes
1answer
230 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
332 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
3k 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
1k 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
170 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
396 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
157 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
623 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
162 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/...
2
votes
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
406 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 ...
4
votes
3answers
10k 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
536 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 ...
10
votes
1answer
12k 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
183 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 ...
1
vote
1answer
180 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
339 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
76 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 ...
1
vote
1answer
2k 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 ...
12
votes
6answers
9k 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 ...
2
votes
1answer
1k 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 ...