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.
150
questions
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0
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30
views
/aliases: Reference to non-existent node or label "mmc0"
I'm trying to upstream support for u-boot and buildroot for a SoC, I'm merging some changes into master from the vendor's BSP and am having some issues with their dts.
[machinehum@whitebox u-boot]$ ...
- 11
0
votes
1
answer
40
views
Dropbear ssh server immediately quits after startup
I built a linux kernel (v. 5.17.1) with default config and created a minimal root fs using buildroot (both for x86_64).
I modified the configuration of buildroot to use glibc and added DHCP for eth0. ...
- 121
1
vote
0
answers
48
views
Incorrect operation of Linux (built in Buildroot) after startup X11
Built a Linux image in Buildroot 2022.02. After loading on real hardware, there is no mouse cursor display. The mouse itself is working (lit), but no visible actions occur after clicking on it. The ...
- 111
0
votes
1
answer
59
views
Running Raspberry PI buildroot image in qemu
I am trying to build a linux image for raspberrypi3 with buildroot and run it on qemu. Once the make process is done i can copy the sdcard.img file into a SD card and correctly run the OS on a real ...
- 11
0
votes
0
answers
21
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is it possible to install guix package manager to a buildroot environment?
Hello fellow linux users,
I am creating a distribution with buildroot and I wanted to install a package manager (guix). The idea is to try to compile it with either make or GCC. Is this possible to do ...
1
vote
1
answer
40
views
Buildroot image missing /sys/bus/usb
I've tried to create a Beaglebone Black image with buildroot starting from beaglebone-defconfig.
I discovered that /sys/bus/usb seems to be missing:
# ls /sys/bus
clockevents gpio mmc_rpmb ...
- 121
1
vote
1
answer
41
views
Can't type at Linux login prompt
I've just opened up two brand new Intel Galileo Gen 2s and am looking to login to their default Linux distro via terminal (ie. no SD card used). I am coming across a weird, identical issue with both ...
- 121
0
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0
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57
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USB-Device and inotify
I'm looking a solution for being notified about files and directories modifications using inotify or any other API when the files are located on a filesystem on a custom board which is configured as a ...
0
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0
answers
32
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Failed when binding the blox,neo-6m driver to uart 1 on BeagleBoneBlack-wireless
i'm trying to bind the gnss driver ubx neo6m to my sensor mapped on uart1
Source of the driver kernel 5.10.23 : : https://elixir.bootlin.com/linux/v5.10.23/source/drivers/gnss
Source of the DTS i'm ...
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1
vote
1
answer
163
views
How can I enable Unicode support in buildroot?
I want to build a 32 bit x86 ISO image from buildroot that can display Unicode characters. How can I do that?
In make menuconfig, I've set BR2_ENABLE_LOCALE_WHITELIST="C en_US en_US.UTF-8"
...
1
vote
1
answer
77
views
Is there a kernel option to allow a userspace app discovering custom USB devices on the host?
Consider a minimalist, buildroot-based Linux image on some 1-PCB computer with a USB host port.
Then there is another small computer: a Raspberry Pi Compute Module "CM3", the only connection ...
- 115
0
votes
0
answers
26
views
How to chroot into into RPI3 buildroot image?
I have successfully built the default Raspberry PI 3 Buildroot image. I would like to chroot into the system.
Can someone kindly advise on how to achieve that?
Many thanks,
Huzeifa
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1
vote
2
answers
329
views
SSHD accepts connection but closes after method 'none'
I'm trying to ssh to my local sshd, but the connection is detected by sshd it closes before I get a password prompt.
The server is running buildroot and uses glibc.
I've compared the logs with working ...
- 19
0
votes
0
answers
204
views
Udev rules not executing my script on inserting SD card
I'm trying to execute a script on inserting SD card in SD card slot, by using UDEV Rules. My 99-sdcard.rules file is as below,
ACTION=="add", KERNEL=="mmcblk0p1", SUBSYSTEM=="...
1
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0
answers
28
views
Compiling Beaglebone Black Linux image for QT and 4Dsystems LCD cape
I have researched a lot into buildroot and yocto compilation for BBB and understand qt configs / layers for both. However I can’t seem to get the 4.3” Touchscreen cape to work. I have tried comparing ...
0
votes
0
answers
83
views
Gcc not found : cannot compile c program in a Buildroot image for STM32MP
I'm trying to compile a C program with gcc in a image that I have made with buildroot for STM32mp157a-dk1, but I get:
$ gcc bl.c -o bl
-sh: gcc: not found
$
gcc is installed on the system; version 9....
- 11
0
votes
1
answer
89
views
Cannot disable metadata_csum from buildroot configuration
I'm trying to boot STM32MP157A-DK1 with a Buildroot image that I made but I got this error and I cannot disable the metadata_cesum from the Buildroot configuration.
I tried
...
- 11
1
vote
1
answer
88
views
Failed to boot STM32mp157a-dk1 using a buildroot image
I'm trying to boot an STM32MP157a-dk1 using an image that i made with buildroot but when i boot i got this message :
Unable to write "/uboot.env" from mmc0:4
Help me please !!
H.M
- 11
0
votes
1
answer
295
views
How to launch WESTON with no input devices
Been working on a project to create s simple digital display using the Raspberry pi 4 and buildroot.
It is a simple application that interacts with the user through bluetooth and displays some ...
- 161
1
vote
0
answers
39
views
kernel error on init (reference to shared library error)
I'm trying to boot kernel on an stm32f469-disco board which is an ARM board with 16MB ram and 16MB flash storage. I've used buildroot to create my rootfs and kernel. after u-boot passes the control to ...
0
votes
1
answer
267
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buildroot: adding bridge via interfaces
i got my own interfaces file added to buildroot filesystem (overlay rootfs)
auto lan1
iface lan1 inet manual
auto lan2
iface lan2 inet manual
auto br0
iface br0 inet static
address 192.168.40.1
...
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1
vote
1
answer
461
views
Linux kernel panic when I disable the console via cmdline?
I currently have an embedded device booting via mainline U-Boot in to the mainline Linux kernel (built via Buildroot). This works fine and the board functions as intended.
One option I would like is ...
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0
votes
2
answers
1k
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Buildroot How do I deal with Error filesystem size (BR2_TARGET_ROOTFS_EXT2_SIZE)
I am usin Buildroot as distro.
I have a problem. I wanted to update my build with adding some packages for my embedded system(stm32mp157).
In menuconfig --> Filesystem images I chose an exact size ...
0
votes
0
answers
32
views
Where do applications on a linux system get their font information?
I am trying to create a kiosk application with the GTK framework on a raspberry pi
I am also using the buildroot build system for creating the custom linux system.
My graphics stack inludes using the ...
- 161
0
votes
0
answers
410
views
curl: (7) Failed to connect to port 80, and 443
Hello I am trying to curl from a server using this command from my STM32MP1
curl -i -k -X POST -H "Content-Type: application/json" --data '{ "id":"2","timestamp"...
1
vote
1
answer
139
views
Specify rootfs mount options
I would like to specify mount options for my rootfs as per instructed here however I am unsure where this should be done. I've looked through the genimage docs and there was no generic option to pass ...
0
votes
1
answer
214
views
Unified Kernel Image Buildroot
Is it possible to create Unified Kernel Image using Buildroot?
I want to pack rootfs.cpio.xz and Kernel Image (EFI Stub) into a single file that can be loaded from EFI Shell.
- 53
0
votes
1
answer
446
views
Read MAC using Buildroot 20.20 NVMEM_IMX_OCOTP on i.MX7s
We are migrating from Buildroot 2018.02.9 (linux-4.14.85) to Buildroot 2020.02.2 (linux-5.4.40), and have found that we can no longer read the MAC address on an I.MX7s SoC. The following indicates why:...
- 196
0
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1
answer
348
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Buildroot Rootfs with XOrg doesn't show GUI
I have built a rootfs using buildroot using template of qemu_x86_64_defconfig and adding XOrg server configuration on top of it.
To start the system, I am using script generated by buildroot to invoke ...
- 53
1
vote
1
answer
263
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 ...
- 13
1
vote
1
answer
230
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 ...
- 135
0
votes
0
answers
67
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 ...
2
votes
0
answers
36
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 ...
- 121
0
votes
1
answer
996
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 ...
1
vote
2
answers
950
views
Can a user with no password set login with ssh?
First, I want to be clear, I am not asking about just using public key authentication without a prompt. I have a use case where a user must only be allowed access through SSH public key authentication....
- 113
2
votes
1
answer
1k
views
/etc/shadow is empty, yet I am prompted for password
I have a board (Pine64) on which I run my custom-built linux distribution (using buildroot).
I configure root to have no password, and the resulting /etc/shadow file looks like this:
root::::::::
...
- 133
0
votes
2
answers
2k
views
Which file should I modify to mount a user overlay at boot time
I'm working on an embedded device with an arm cortex A9. The kernel version is 4.16.0 and is generated by buildroot 2018.05.
The storage memory is an mmc with several partition. U-boot reads the ...
- 206
2
votes
1
answer
2k
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 ...
- 179
2
votes
0
answers
451
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 ...
- 179
3
votes
0
answers
62
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 ...
- 243
2
votes
1
answer
330
views
ssh X forwarding on a minimal Buildroot server with read-only root filesystem
I'm trying to get ssh X forwarding working with a very unusual setup
Server:
Custom Buildroot OS on Raspberry Pi 0 W
Read only filesystem
xauth installed
.Xauthority located in /tmp/.Xauthority and ...
- 243
1
vote
1
answer
6k
views
How can I fix "sh: apt-get command not found"?
I just succeded to run pulpino on Zedboard FPGA and I managed to boot an OS on it. But, the problem that there no apt-get command. I checked the following:
$ uname -a
Linux buildroot 3.18.0-xilinx #1 ...
- 21
0
votes
0
answers
162
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 ...
- 243
3
votes
1
answer
2k
views
RPi + Buildroot: random: crng init done (not enough entropy) - how to configure rng-tools
I'm designing a minimal custom Buildroot embedded OS for the RPi0w. My current iteration takes a very long time to fully boot - several minutes with a keyboard and mouse plugged in, and tens of ...
- 243
1
vote
1
answer
481
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 ...
- 141
0
votes
1
answer
284
views
Buildroot: compile fbi against kernel headers
I'm adding a generic-package to Buildroot 2019.02.1. This package (fbi) includes <asm/page.h> in the fbtools.c, but the headers are not available in output/target. Compiling the package causes ...
- 125
0
votes
1
answer
128
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 ...
- 1
1
vote
0
answers
252
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 ...
- 227
0
votes
1
answer
370
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....
- 103
1
vote
0
answers
55
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 ...
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