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Questions tagged [beagleboneblack]

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U-boot data obort on mmc read data abort

I am having trouble using the mmc read command on U-boot 2017.09 beagle bone black. => mmc dev 1 switch to partitions #0, OK mmc1(part 0) is current device => mmc info Device: OMAP SD/MMC ...
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2answers
36 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
18 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
28 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
18 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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22 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
31 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
61 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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24 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
55 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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55 views

Setting the default gateway permanently with Debian:

I am using a BeagleBone board running Debian. To set the default gateway I have to manually type this every time I start it /sbin/route add default gw 192.168.7.1 In order to have this default ...
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1answer
34 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
663 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
451 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
21 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
184 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
59 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
78 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
354 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 ...
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1answer
54 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 ...
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1answer
563 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
408 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 ...
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1answer
262 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
121 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
413 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 ...
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1answer
252 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
160 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
39 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
357 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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254 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 ...
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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
277 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
84 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
64 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
101 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
141 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
845 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
234 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-...
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1answer
310 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 ...
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1answer
505 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
735 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
246 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.* ...
3
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1answer
106 views

A hidden file? (most probably a wrong script )

I'm working on a script executed by Udev on insertion of a new sdcard on my Beaglebone Black under Debian Jessie. The first thing I would like my script to do is to create the /media/sdcard directory....
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55 views

Udev can't mount a µSD i can mount manually

I'm still working on my Beaglebone Black under debian distro, I'm working on a specific process on µSD card insertion to relocate logs on it but the system fails at the creation of a directory... On ...
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0answers
56 views

dyld library not loaded

I'm having an error while trying to secure copy a file from a Beaglebone connected to my laptop. scp filename username@IP:/Users/username/Desktop/ The authenticity of host '192.168.7.1 (192.168.7.1)' ...
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2answers
4k views

Remove user and password at login in Debian 9 Stretch

I work on a project using BeagleBone Black and an LCD cape. For that, I download the current BBB IOT image from their website and installed LXDE for user interface. I want to create an application ...
2
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0answers
328 views

Beaglebone Black not able to send raw UDP Packets with Python to laptop running Ubuntu 16.04

I created a Python 3.6 script that creates a raw UDP Packet over ethernet to a system with a known MAC Address and IPv4 Address. This script is running on a Beaglebone Black (BBB) that is connected ...
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2answers
856 views

Error when running `shutdown -h now`

I have a BeagleBone Black wireless with Debian 8.7. I have created a user s with the command adduser s and then added the user to the sudoers file with the command usermod -a -G s. When I try to ...
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0answers
464 views

how to enable RS485 of beaglebone black

I am using beaglebone with kernel 4.4. I am trying to use the RS485, with pin 9.11 and pin 9.13 for tx/rx, and pin 9.27 as a GPIO control for the DE/RE pin. I bought a SN65HVD72, and connect it as ...