Questions tagged [buildroot]

Questions concerning Buildroot, the tool for generating, configuring and using toolchains which can be used to generate Linux systems or parts thereof.

55 questions with no upvoted or accepted answers
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votes
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409 views

How to write to an .img file with two different partitions?

I have been working on building a Linux based OS for Raspberry-pi using buildroot. I am generating the required empty .img file using "dd" and "fdisk" utilities. I am creating two empty partitions as ...
3
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0answers
28 views

Getting Debian style wpa_supplicant in Buildroot

Currently it seems like the Buildroot package for wpa_supplicant does not include the Roaming Mode functionality that is available in the Debian package. How would I manually include this in my ...
3
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1answer
3k views

Buildroot OpenGL Capable Backend

I'm trying to configure QT 5 through buildroot and some options are not available with the message requires an OpenGL-capable backend. I'm using buildroot 2013.08-rc1 but the same message comes up ...
2
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0answers
212 views

Xfbdev not found after including X (tinyx/kdrive) in Buildroot

I'm trying to add Xorg to an evaluation board for which I've already been provided with a working linux kernel. The evaluation board has an LCD display and I can confirm hardware & drivers are ...
2
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0answers
9k views

ifup shows IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready, then the link becomes 'ready' by itself. What is happening?

I am stuck with some strange behavior comming from my linux system. I have two ethernet interfaces (eth0 and eth1). When trying to set them up for the first time (for example with ifup eth1, or ...
2
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0answers
361 views

Problems booting uncompressed linux kernel on PPC

I'm trying to get a newer linux kernel to boot on a PPC embedded linux device using U-Boot, but it won't boot the kernel. My bootable kernel image builds, and is being network booted by U-Boot. The ...
2
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0answers
761 views

PulseAudio won't work in system mode

I'm using PulseAudio on my Buildroot based system. It does work when I run it the simplest way (# pulseaudio), but it won't run if I launch it in system mode (# pulseaudio --system). Here is the ...
2
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1answer
277 views

Embedded Linux USB Audio Issue

I have a Corewind WiFiG25 board based on the AT91SAMG25 400 MHz following Arm processor running Linux 3.6.9 built using Buildroot. I am attempting to play mp3 files using mpg123 connected to an ALSA ...
2
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0answers
1k views

Make bootable USB drive on Mac

I've tried to make a bootable USB drive — using Syslinux & Buildroot — on my Macbook Air. When I boot up I get something like this error. "Non-system disk, press any key to restart" Does that ...
2
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0answers
1k views

Why is my /etc/hosts.deny file being ignored?

I am using a small embedded linux setup generated by buildroot to run on a x86 device. It was generated to use busybox init system and also runs dropbear so I can ssh into the device. I wanted to ...
2
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1answer
1k views

How to configure buildroot to add a sound device?

I've used a given board configuration to reconfigure it for my individual board. My board has a CS4270 sound device of Cirrus Logic. My uImage is booting successfully on my target hardware, but an ...
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0answers
16 views

How do I create a compressed buildroot system image that expands to fill the available storage of the media it is flashed to?

I need to make a Buildroot system for various x86_64 EFI systems with varying storage sizes, but unfortunately, the pc_x86_64_efi config creates an img file with a fixed partition size, not one that ...
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0answers
9 views

Using x-server in buildroot based system gives a blank screen as the process starts, can you disable this screen?

my device has a distro which is based on Buildroot and during boot one of the init.d scripts is activating x-server/x11. During the process initiation, the screen suddenly goes pure white for a second ...
1
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0answers
13 views

Configure boot options in buildroot

How can boot options be configured (specifically looking to add toram) in an OS image prepared by Buildroot? The idea is to load the OS completely into RAM, eject the bootable media (SD card in ...
1
vote
1answer
95 views

What is the correct Grub configuration to boot a kernel with an initramfs embedded in the kernel image?

I've used buildroot to compile a Linux kernel image with the root file system embedded as an initramfs. But when I go to boot it I see grub select the enctry and then I get a solid cursor in the up ...
1
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0answers
156 views

Facing issue in ssh for USB0 Interface buildroot

I am working on building Custom Os using Buildroot for beaglebone black. Configurations: Linux kernel version 4.19.29 I have enabled the Dropbear for SSH. The Script to load the drivers at boot ...
1
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0answers
51 views

Own boot parameter in Linux kernel gives no outprint (Homework)

The task is to write a own boot parameter in the linux kernel that activates printk under the kernel initiation. The Linux kernel version that is edited is 4.16.7 (buildroot 2018.11.2) and my ...
1
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1answer
176 views

Buildroot use classic GNU package instead of BusyBox one

I'm wondering how to use the "classic" GNU tools instead of BusyBox ones for a specific command. The command I want to act like on a classic Linux is mount, but I think it's the same for every ...
1
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0answers
56 views

Tracking Changes and Development for Embedded Linux

I'm starting to develop on an embedded linux system and am trying to figure out what the best way to manage my work is. Currently I'm using buildroot to build an image based on the vendors defconfig, ...
1
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0answers
388 views

How to stop startup scripts from getting deleted on reboot in ONIE

I'm running an open source "install environment", that acts as an enhanced boot loader utilizing facilities in a Linux/BusyBox environment called Open network install environment (ONIE). I want to run ...
1
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0answers
707 views

ARM system booting from SD card with uboot - how to put everything in one FAT partition?

I am working on an ARM system running linux, which has an eMMC and an SD card slot. I've been booting from the SD card during development, with just the first stage bootloader of uboot in the eMMC and ...
1
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0answers
257 views

cups problem with embedded buildroot

I have a embedded linux created with buildroot project. i install cups, cups-filter and ghostscript and configure cupsd.conf file! also i add my hp 1102 printer using cups web interface on port 631. ...
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0answers
90 views

Add a driver module to embedded linux

I have a task that consists in implementing a driver for an RF module. The RF module communicate with the blackFin609 microcontroller using UART. In a first step i created a uClinux image and ...
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0answers
91 views

Standard/Common location for cross compilation toolchain

Does a standard or common location exist for installing cross compilation tools? I can easily pick my own location and it works fine, so I'm just looking to find the most ideal location. Based on ...
1
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2answers
1k views

Unable to add serialport (nodejs module) when generating filesystem and cross-compiling tools for an ARM processor

I am using buildroot (version 2013.08.1) to generate the filesystem and cross compiling tools to implement embedded linux on a i.MX233 processor (ARM architecture). I add the serialport module by ...
1
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0answers
667 views

Why is my embedded Linux unable to detect the sd device?

I have this ARM9 SAM9G25 embedded System, running a Linux 2.6.39 Kernel and a Busybox. I put the Images (of the bootloaders, and the linux+initramfs) on a SD so that in the end the system is booting ...
1
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0answers
979 views

Error cross compiling linux kernel using buildroot

I am trying to build a kernel bt in cross compiling the kernel when I ran following command make CROSS_COMPILE=i686-linux- ARCH=x86 I got the following error: UCLIB_EXTRA_CFLAGS="" \ ...
1
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1answer
2k views

No make target “uImage” with Buildroot 2013.05

After enabling Linux Kernel option and setting the Kernel binary format to uImage, I always get the following error: make[1]: *** No rule to make target `uImage'. Stop. My buildroot configuration ...
0
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0answers
18 views

Busybox alternative to systemd-analyze tool

Is there Busybox tool that would give me similar info to systemd-analyze time, systemd-analyze blame etc? I need this to embedded Linux builded with Buildroot. I tried to use systemd, but after change ...
0
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0answers
29 views

Cannot add systemd-analyze to Buildroot image

I decided to use systemd in my embedded linux system to be able to use systemd-analyze tool. I can add both systemd and systemd-analyze in my config, but after runing my system on Raspberry Pi 4, I ...
0
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0answers
29 views

How can I enable linux driver on buildroot?

I'm trying to enable IR_MESON from here. http://sources.buildroot.net/linux/git/drivers/media/rc/Kconfig My defconfig as below # Mirrors and Download locations BR2_BACKUP_SITE="http://sources....
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0answers
12 views

Starting network: [ 6.178148] ip (252) used greatest stack depth: 5756 bytes left /bin/sh: wpa_supplicant: not found

I entered in /etc/network/interfaces file auto lo iface lo inet loopback auto wlan0 iface wlan0 inet dhcp Then i tried ifconfig. It's showing eth0 Link encap:Ethernet HWaddr 8A:B8:53:87:09:2A ...
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0answers
29 views

Error compiling buildroot on Raspberry Pi 3

While compiling buildroot for a Rasperry Pi 3, I get the following error: ERROR: file(bcm2710-rpi-3-b-plus.dtb): stat(/home/rpmuser/buildroot-2019.02.8/output/images/bcm2710-rpi-3-b-plus.dtb) failed: ...
0
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0answers
27 views

/bin/sh: wpa_supplicant: not found

I entered in /etc/network/interfaces file auto lo iface lo inet loopback auto wlan0 iface wlan0 inet dhcp Then i tried ifconfig. It's showing eth0 Link encap:Ethernet HWaddr 8A:B8:53:87:09:2A ...
0
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0answers
21 views

Buildroot image for Raspberry Pi Zero too big in size

I compiled the image using Buildroot (2020.02.3) by first running make raspberrypi0_defconfig and then by running make menuconfig to enable ccache and remove ifupdown scripts. I then ran make to ...
0
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1answer
52 views

Buildroot compile error, librt.so: undefined reference to

I'm trying to compile a Buildroot image using a preconfigured builtin _defconfig file... More specific the riscv64_xwin_defconfig which is a simple setup for a riscv64 image with Xorg builtin. Since ...
0
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0answers
20 views

Building Linux for COM Express type 7 boards

COM Express is a standard for computer-on-module and different vendors have COM Express products like: https://www.congatec.com/en/products/com-express-type7/conga-b7ac.html https://www.kontron.com/...
0
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0answers
213 views

How to make systemd-networkd automatically start a DHCP Server if there isn't one on the network already

I'm trying to setup systemd-networkd so it will automatically start a DHCP server if it notices that there is no DHCP on the network. If there is a DHCP on the network I want systemd to just acquire a ...
0
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0answers
97 views

Buildroot Linux on RISC-V 32-bit no mmu processor

I'm trying to create a buildroot linux image for a 32-bit RISC-V no mmu processor. I've found several builds on the internet but none of them match exactly what I want to do, however I think they ...
0
votes
1answer
627 views

uboot-menuconfig not available in make targets

I'm trying to setup a custom default environment for u-boot while building an embedded Linux system with Buildroot. I was able to achieve this in u-boot standalone, but I'm unable to reproduce the ...
0
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0answers
62 views

How to use read-only permissions to prevent corruption on a writeable filesystem?

I'm developing an embedded Buildroot OS for the Raspberry Pi. This system will be turned off by simply removing power (there will be no shutdown timer), therefore it must be able to handle poweroff ...
0
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1answer
52 views

Buildroot date is wrong

When I flash a buildroot image for the raspberrypi3, using the date command will give me 1970-01-01. I have to manually reset that every time. What would be the correct way to handle this? Should I ...
0
votes
1answer
140 views

C program does not run on buildroot

I work for buildroot. My purpose work GUI on my buildroot with Gtk3.0 and Gstreamer1.0. I use Olinuxino A13 so I wrote GUI code(Gtk3.0 hello world example) on this with codeblocks. I use Debian wheezy....
0
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1answer
100 views

Buildroot date is set to Jan 1, 1970

why does buildroot automatically set the date in the title. And how do I fix that? Or do I have to make a script to manually set that?
0
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2answers
958 views

Could not find libmount

During compilation of customized distribution (using buildroot v. 11.2018) I have problem with libmount library (the problem appeared after I had included efl package in buildroot menuconfig - Target ...
0
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1answer
367 views

How to locate the module that handles DNS resolving in buildroot?

I have 2 different Linux devices, one's kernel is done using ltib (L from now on), and the other's by buildroot (B from now on). I manage to add a DNS resolver to B by using: echo "nameserver 8.8....
0
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1answer
492 views

copy driver include file to linux folder

I'm using buildroot for my embedded socfpga system. I have successfully written a driver and an app to test it, following BR usermanual : my_driver_dma : the driver my_dma : the app The ...
0
votes
1answer
257 views

How to regenerate a complete config file from a kernel Image from buildroot

I have an Image that I generated using buildroot that boots a kernel from an SD card and it works perfectly. I changed a few settings in the buildroot menus (I can't remember which ones) and now ...
0
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0answers
859 views

How do you prevent uas and usb_storage kernel modules from being automatically loaded when a USB flash drive is connected?

I generate a kernel Image using buildroot that I put onto an SD card to boot from. In buildroot I modularized USB Mass Storage. When I boot up my board without a USB connected to it I can see that ...
0
votes
1answer
693 views

Read-only filesystem - Considerations and Loss of Functionality

I'm creating an embedded system using Buildroot. Currently, my Buildroot configuration ensures the rootfs is remounted as read/write during startup. However I would like to remove this feature and ...