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Questions tagged [beagleboneblack]

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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
30 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
28 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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0answers
47 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
28 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
17 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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0answers
36 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 ...
2
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1answer
155 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 ...
2
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0answers
36 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
43 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
32 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
99 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
41 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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0answers
39 views

Debian 9.5 takes longer to mount emmc than 8.7 did

I have been trying to chase down some boot performance issues for a little while now. Previously we were running debian 8.7 with 4.4.54 kernel. our start up time is systemd-analyze Startup finished ...
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1answer
54 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/...
2
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1answer
76 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
25 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
77 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
91 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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2answers
700 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 ...
2
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1answer
930 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. ...
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0answers
24 views

How do I reconcile different GPIO labels for the same Beaglebone Black PIN?

I'm trying to learn how to use a Beaglebone Black (Revision C). The Beaglebone Black System Reference Manual contains a table on EEPROM Pin Usage. For example, it lists Pin P9-15 as having the name ...
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0answers
209 views

BeagleBone Black - I can't connect to WiFi [closed]

I have a BeagleBone Black with Debian Wheezy and kernel v4.1. The problem is that I can't connect my BeagleBone to Wifi because the my TP-Link WN722N v2.0 Wireless adapter is not recognizable by the ...
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0answers
77 views

Plymouthd on BeagleBone Black initramfs fails with “Could not setup basic operating environment”

I setup an initramfs BeagleBone Black with the goal of using the open source Plymouth package to display a boot splash early on in the boot on the BeagleBone's /dev/fb0 HDMI output. I am trying to ...
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1answer
100 views

BeagleBone Black running upstream stable kernel/u-boot without any patches

I have been exploring the BeagleBone Black (BBB) for some time now with pre-built images. Now I'm trying to get my own kernel compiled and deployed. In that search, I found that TI has it's own ...
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0answers
477 views

Trouble enabling all UARTs on Beaglebone Black Debian 9.3

I'm attempting to enable all the UARTs on the Beaglebone Black (UART 1-5). I am running debian 9.3 and using the BeagleBone Black rev C. I am attempting to enable all UARTs by modifying the uEnv.txt ...
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0answers
11 views

configuring codepoints in virtual console

I am trying to display Hindi and English characters in a virtual terminal. I am able to display these characters for English and Hindi separately but I am not able to display them together. As per my ...
0
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1answer
81 views

Where to find the source of the kernel package on a debian armhf BeagleBone Black build?

On a BeagleBone Black the Linux release installed is a bone-debian-9.2-iot-armhf-2017-10-10-4gb.img. After booting the stock system, it is updated to the Linux 4.9.37-ti-r47 image by: apt-get update ...
2
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1answer
825 views

Repair uEnv.txt from U-Boot terminal?

I have a BeagleBone Black, with Debian 8.3, Linux 4.1.15-ti-rt-r43. EDIT: The system is installed on the internal flash. I modified the /boot/uEnv.txt to load a different dtb file, apparently with ...
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0answers
753 views

Preconfigure static IP address with connmanctl on Beaglebone Black

Short Version How can I used connmanctl to set a static IP address for an Ethernet interface on a Beaglebone Black running Debian 9 - prior to connecting the device to an Ethernet cable? Longer ...
1
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1answer
431 views

Why does LXQT Autostart not do anything?

I have a BeagleBone Black here, running Debian 8.3, Linux 4.1.15-ti-rt-r43. Desktop is LXQT. After boot, I want to run a .sh file - when the desktop environment is ready, as that file, after changing ...
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1answer
151 views

25s between systemd startup and actual display

I am trying to reduce startup time of a Beaglebone (4.14.32-ti-r42 #1 SMP Thu Apr 5 23:13:09 UTC 2018 armv7l GNU/Linux) running Debian Stretch to display a local HTML page on its LCD. Every analysis ...
3
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1answer
542 views

Error : Package 'mongodb' has no installation candidate

I am unable to apt-get install any packages on cloud9 for my BeagleBone because E: Package 'mongodb' has no installation candidate. I have not been able to get any packages to work due to the same ...
1
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1answer
356 views

routing table adds additional default entry

I'm using a beaglebone black with the newest IoT Debian 9 image (BeagleBoard.org Debian Image 2018-03-05) Here is how I configured my network interfaces: /etc/network/interfaces # The loopback ...
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0answers
187 views

Beaglebone issue : Cannot access 192.168.7.2 [closed]

My main computer is running Ubuntu 18.04, I just bought my BBG for about 1 week. More information about my BBG : root@beaglebone:~# uname -a Linux beaglebone 3.8.13-bone71.1 #162 SMP Fri Oct 16 07:...
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1answer
40 views

I don't know why this error occurs in linux

An error occurred in the process of carrying out an ultrasonic distance measurement project using pru i am trying to this code(https://github.com/luigif/hcsr04?files=1) root@beaglebone:~# pasm -b ...
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1answer
594 views

Beaglebone cannot connect to internet using ethernet cable

I've been trying to get my Beaglebone Black to connect to internet using an ethernet cable plugged direct into my Netgear router. I have tried many things but nothing has worked so far. Here are some ...
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0answers
313 views

How to Verify that a UART is Enabled on a Beaglebone Black

Question Is the existence of a /dev/ttyO* symlink evidence that the corresponding UART device is enabled? If not, how can I check whether or not the UART has been successfully enabled? Details I'm ...
2
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1answer
2k views

Failing to Enable UARTs on Beaglebone Black

Short and General Question I'm running Debian 9 (Stretch) on a Beaglebone Black with kernel 4.9. I have tried following the instructions that I've found online, but have thus far been seemingly ...
0
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1answer
300 views

How to debug u-boot issue?

I am working on putting a custom system together on the Beaglebone Black. Things work most of the time, but every once in a while, the system will fail to boot when powered on. This never happens ...
2
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1answer
88 views

How to build a bridge between 2 networks?

Using Beaglebone. I have successfully set an AP, but am unable to bridge eth0 and wlan1. Applications used: hostapd, dnsmasq, bridge-utils /etc/dnsmasq.conf interface=wlan1 dhcp-range=10.10.1.2,10....
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1answer
84 views

Beagle bone - AP wlan1 needs to access eth0 as an IP Address

Using non-GUI Linux (beaglebone). With the current setup Client (10.10.1.3 ... 254) <-> (wlan1 AP 10.10.1.1) bb I need to make clients (10.10.1.3 ... 254) have access the device (10.10.1.2). ...
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3answers
112 views

Why aren't half of my logical partitions available?

I'm trying to partition the eMMC on a Beaglebone Black. Here is how I have /dev/mmcblk1 partitioned: root@beaglebone:~# fdisk -l /dev/mmcblk1 Disk /dev/mmcblk1: 3.6 GiB, 3825205248 bytes, 7471104 ...
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1answer
173 views

Beaglebone Debian/jessie autoinit script

I am trying to make my script initialize with beaglebone in the boot process. For that, I use systemctl initialization process. My service is placed in /lib/systemctl/system with the name autostart-...
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1answer
1k views

Why is uboot ignoring mmcroot in uEnv.txt?

I am trying to get an embedded linux build using yocto to work. I'm very close, but I'm having trouble with the boot. I have 2 root file systems. One is the main and the other is to be used during ...
1
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1answer
293 views

How to track down sys_reboot function in Linux kernel for ARM architecture

We have Beaglebone Black based custom board, with Linux 4.4. I wanted to track down the low level function corresponding to the reboot() system call. I am able to see sys_reboot() in include/uapi/asm-...
1
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1answer
361 views

busysbox reboot doesn't work from init script

We have Beaglebone black based custom board with 256MB RAM and 4GB eMMC. We upgraded from Linux-3.12 to Linux-4.4 and busybox-1.20.2 to busybox-1.26.2. Now in busybox-1.26.2 we are seeing and issue ...
2
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1answer
722 views

How can I get systemd to tell me why init is listening on a particular port?

I am configuring a BeableBone Black running a Debian image from BeagleBone.org. I can see that init (i.e. systemd) is listening on ports 1880 and 3000. debian@beaglebone:~$ sudo netstat -taunp | ...
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1answer
919 views

BeagleBone Black Wireless - No space left on device

I am a newcomer to this device and I was surprised to see 'No space left on device' today after having not installed too much on it. df -h Filesystem Size Used Avail Use% Mounted on udev ...
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1answer
306 views

rsyslog.conf rule for dmesglog doesn't work

We have Beaglbone Black based custom board with Wifi chip We have following entry in the rsyslog.conf # Redirect all kernel messages including dmesg to /var/log/dmesglog kern.* ...