Questions tagged [beagleboneblack]

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High load when Ethernet cable is unplugged

I'm building a system image with v4.19.106 kernel and BusyBox for BeagleBone Black using buildroot 2020.02. If I boot the board from the resulting SD card, I see a strange behaviour: system load stays ...
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1answer
19 views

Autostarting a python GUI application on startup as local user (beagle bone black)

I am trying to start a GUI application (python3 project) on application startup. I've created a script in /etc/xdg/autostart/. @lxpanel --profile LXDE @pcmanfm --desktop --profile LXDE @xscreensaver ...
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10 views

How to Enable beaglebone black 5GHz wifi channel?

Hello Community members, I am stucked at the 5GHz wifi band activation for beaglebone black wireless. As beaglebone black wireless does not support 5GHz band I purchased wifi cape which has WL1837 ...
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20 views

can not configure beaglebone AP to 5GHz

I am not able to configure beaglebone black wireless to 5.0 GHz band for data transfer with TI chip WL18MODGB having test grade 35. I tried to configure beaglebone AP to 5.0 GHz band because ...
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1answer
37 views

How can I use port 8080 on a BeagleBone Black with Debian Linux, kernel 4.14.x, when trying to use a web camera?

I have successfully compiled jacksonliam/mjpg-streamer. After compiling it, I ran into issues. The end result is that the source works, but I don't know how to resolve port conflicts under Debian ...
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1answer
52 views

Kernel throws error while writing to the character device file in 4.9.82-ti-r102 debian 9.3

I created the device file under /dev folder successfully, but writing to that device file makes kernel to throw following error messages. Message from syslogd@beaglebone at Feb 26 15:40:10 ... kernel:...
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9 views

U-Boot Automatic Redundant Booting for BeagleBoneBlack

I would like to know how to properly set up redundant booting for my BBB with U-Boot. Basically, I'd like U-Boot to attempt to boot from a specific partition on my SD card and if it fails, I want it ...
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18 views

Custom program don't see .so file while running on Beaglebone Black

I built gcc, u-boot, kernel, dtb, rootfilesystem from scratch and use them on my beaglebone. While i am runnung program Nordwind the program don't see the .so file. When I am trying to use ldd or file ...
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140 views

How do I Boot and Deploy Ubuntu Image From USB drive on a Beagle Bone Black?

Purpose I am attempting to do the following: Power on and automatically boot the Beagle Bone Black Rev C from USB drive. Note: Build Root seems to be an option. Automatically execute shell script ...
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87 views

How to install apt packages to SD card

i have beaglebone black wireless which have 4gb of its memory , after flashing debian 9.9 os on it am left with 200 mb free space. so i wonder how can i change apt package installer path so that ...
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22 views

Beaglebone pwm for non root user

The 4.9.78-ti-r94 distro comes with 81-pwm-nonroot.rules # /etc/udev/rules.d/81-pwm-noroot.rules # # Corrects sys PWM permissions on the BB so non-root users in the gpio group can manipulate bits # ...
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1answer
261 views

Connman network configuration for default interface

I have a BeagleBone Green board running Debian. It uses Connman as the network manager. The configuration file should be /etc/connman/main.conf however this doesn't exist. I have two active network ...
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64 views

Beagle bone black - no boot text

I'm working with a beaglebone black with an image based off the base debian image for these boards. When I plug this into a monitor via the onboard HDMI and boot it, I get the linux penguine (Tux) in ...
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1answer
44 views

Why can't / doesn't U-boot log messages for us to view later

I have a problem whereby a remote BeagleBone device is taking hours to boot up. When it does, I don't see any problems in the kernel boot logs such as journalctl -b or journalctl -b -1 Without ...
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109 views

reboot causes device to shutdown but doesn't start again for many hours after

I am using a BeagleBone running Debian. I have a cron entry in /etc/crontab which tells the device to reboot at 03:01 every night as follows 00 03 * * * root /sbin/shutdown -r +1 >> /...
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23 views

Linux booting hours after crontab reboot entry

I am using a BeagleBone running Debian. I have an entry in /etc/crontab as follows which tells the device to reboot every night / morning at 03:01 : 00 03 * * * root /sbin/shutdown -r +1 >&...
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56 views

No I2S signals from the BeagleBone Black

I am unable to get the I2S signals from the beaglebone. Below are the things I did. I first disabled the hdmi audio as described here. I am using the P9.31 (SCLK), P9.28 (Data0) and P9.29(FSX/WS). ...
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97 views

Wifi problem with my Enhanced beaglebone : debian 9.4

I am working with sancloud Beaglebone debian 9.4, I am trying to scan wifi and connecting. I am using a connman command line interface, After scanning Wifi, I can't find the router wifi,but I found a ...
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86 views

How to connect USB keyboard to BeagleBone Black in my own kernel and root file system?

I built uboot, linux kernel and root filesystem for beaglebone black. I have logitech k120 for business usb keyboard. In menuconfig of kernel i selected logitech keyboard driver, usb driver, usb ...
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101 views

U-boot overlays and implementation

I have build uboot and kernel from https://www.digikey.com/eewiki/display/linuxonarm/BeagleBone+Black and create SD card as per instrucution.This one having minimal image. i want to add overlays in ...
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1answer
174 views

How to debug an SDIO configuration problem?

We are trying to get an SDIO-based 802.11 module to work on an SDIO port of the beaglebone. We adapted the device-tree overlay provided by manufacturer to our hardware, compiled the driver, the driver ...
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167 views

Beaglebone Boot Fail with ALERT! PARTUUID does not exist

I have tried booting a Linux image in the eMMC through u-boot but it always drops to the busybox shell. As suggested by the busybox shell I double checked the PARTUUID (8fb410a9-01) using blkid, which ...
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1answer
73 views

Why does plugging in a cellular modem create 8 different device files?

I am using a BeagleBone board running Debian. When I plug in a USB cellular modem, this creates the following files in the /dev folder: ttyACM0, ttyACM1, ttyACM2, ttyACM3, ttyModem0, ttyModem1, ...
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233 views

is there a way to disable/change kernel console from userspace

We have Beaglebone Black based custom board with 512MB RAM and 4GB eMMC. We have kernel console set as /dev/ttyS0 which is debug UART. After booting in user space, we want to disable(if possible, or ...
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1answer
219 views

How to install a few specific packages one time on Debian Wheezy (after EoL)

I'm using a fresh beaglebone debian 7.9 armhf image and need to do some additional setup. Despite EoL being May 2018, the apt sources have still been available until recently. They are no longer ...
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1answer
124 views

What is the difference between spidev2.0 and spidev2.1?

On my pocket beagle, which runs Debian, I have three spidev devices (spidev1.0, spidev2.0 and spidev2.1). I have a SPI temp sensor on spi1 (which is spidev2.0 and spidev2.1). Loopback tests on 2.0 (...
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1answer
210 views

Securing Beaglebone software from stealing [closed]

I have a BeagleBone Black which is programmed to start a NodeJS server on boot. The BeagleBone contains software that my company does not want to share. Is it possible to prevent any user from ...
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120 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 ...
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41 views

How to ensure custom Debian service starts first?

I am writing a custom application on Debian on a beaglebone black variant. I want to have my application be the first service that gets started when the system boots, and I want the system to wait ...
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87 views

How to check the status of emmc flashing

I am using a BeagleBone running Linux. I have a Yocto-generated custom Linux image which I flash from the SD card to the internal emmc. This flashes fine, however, I am unable to view the status of ...
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222 views

Beaglebone Debian/Wheezy. Static IP address some times is changed

I have Beaglebone Black with installation of Debian 7.11 Wheezy I have network which is created from Beaglebone and the Beaglebone IP address is set to be static: 192.168.20.1 This is my /etc/...
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1answer
70 views

Safest way to store TLS private keys without a security module

I am using BeableBone Black devices running Debian which communicate securely with an AWS server over TLS using signed certificates. I need to store my private keys securely on the devices. The best ...
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1answer
429 views

How do I configure the Beaglebone Black PWM correctly

I have tried to get PWM working and am not having any success. I am using the TI Processor SDK with a modified version of the am335x-boneblack.dts device tree (see below) The PWM driver (ehrpwm1) ...
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62 views

Can a device be re-partitioned over the air

I know that OTA updating for Linux can be a complicated topic and that there are ready-made solutions out there. I'm talking in terms of using an embedded computer running Linux such as a Rasberry Pi ...
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1answer
171 views

Limit on continuously writing to a log file

I am using Debian running on a BeableBone Black with 4GB of internal flash storage. My program is continuously writing / appending to a log file that I created with >> every minute, all day ...
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1answer
237 views

U-boot messages regarding partition switches not understood

I am using a BeagleBone board with the default Debian image flashed to the internal emmc. I'm trying to understand the U-boot messages below that I get over serial when the device starts, especially ...
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201 views

Impossible to set the default gateway address on boot-up

I am using a BeagleBone embedded computer running Debian. I have two network interfaces : 1) A connection to a cellular modem over USB which uses ppp and connects to the outside world. It receives a ...
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1answer
950 views

What happens if remove auto eth0 from /etc/network/interfaces

I am using a BeagleBone and have two network interfaces. One Ethernet interface which will connect locally to another device, and a ppp interface over USB which connects to a cellular modem. I want ...
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0answers
390 views

problems executing a script on boot-up with systemd

I am connecting from my BeagleBone running Debian to a cellular modem. In order to connect, I enter command pppd file /etc/ppp/peers/zdial & Now, in order to execute this command on boot-up, I ...
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2answers
86 views

How does the same Linux version work on different hardware

My understanding is that the kernel understands how to communicate with the different hardware in a system via specific device trees. How is it that I can download one version of Ubuntu and I am ...
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1answer
131 views

BeagleBone Slackware UART issue

I'm working with a custom made image of Slackware ARM 14.1 with kernel 3.8.X since about 3 years and now needed to upgrade kernel for cdc-acm driver and watchdog. I've tried different kernels from ...
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1answer
572 views

Flashing U-boot on beaglebone black

I got a beaglebone black which comes with u-boot linux preinstalled on the emmc. For the sake of learning I want to put u-boot on the flash myself and build linux from scratch. I have compiled u-boot, ...
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1answer
259 views

How can I avoid that the configuration of the provided debian image for beagle bone black will hinder load of gadget drivers?

I used an given ArchLinux on a BeagleBone Black and used on test environment the gadget drivers(g_printer, g_serial) as I encounter driver problems with some wifi dongles. The drivers where not ...
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1answer
332 views

Linux kernel module development buildroot

I have build a linux kernel for the beaglebone black using buildroot. Now I would like to develop a hello world linux kernel module application: #include <linux/init.h> #include <linux/...
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1answer
174 views

Creating an encrypted partition to store private keys [closed]

I am using a BeagleBone Black board running Debian. My intention is to create a separate encrypted partition to store private keys in the internal emmc. The keys are used for SSL communication. The ...
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0answers
110 views

How to check the history of processes

I'm using Debian running on a BeagleBone Black. I have a script which is supposed to execute when the system starts. The script then should run a python script. I add the command to run this script ...
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1answer
325 views

How much space does my Debian OS need

I am using a BeagleBone, with 4GB of internal emmc. When I install a Debian image on it from its site and run command df -h , the result is below. /dev/mmcblk1p1 shows that it uses 3.4G of memory. ...
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1answer
288 views

Disable spidev on beaglebone black

I want to use PRU for running McSPI throw register programming on beaglebone black. Therefore, I need to disable spidev (of that spi module) to manipulate register of mcspi according to Technical ...
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3answers
971 views

Reduce Boot time

I would be interested in finding ways to reduce the boot time, specially in embedded-related environments. I've read somewhere of a method to avoid the kernel to load some drivers or modules but I'm ...
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1answer
3k views

Failed to start Create Volatile Files and Directories in Debian

Using debian in beaglebone black. The board is connected online with a static ip for remote ssh. After few days I couldn't able to ssh my board. While debugging the board received following error log. ...