Questions tagged [beagleboneblack]
The beagleboneblack tag has no usage guidance.
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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
...
1
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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 ...
0
votes
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 ...
0
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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, ...
0
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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 ...
0
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0answers
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 ...
0
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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/...
2
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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 ...
0
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0answers
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 ...
0
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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. ...
0
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0answers
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 ...
0
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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 ...
3
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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 ...
1
vote
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. ...
0
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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 ...
1
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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 ...
0
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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 ...
0
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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 ...
1
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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 ...
0
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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
votes
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
...
2
votes
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 ...
0
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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 ...
1
vote
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 ...
0
votes
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
votes
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 ...
1
vote
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 ...
1
vote
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:...
-2
votes
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 ...
0
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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 ...
1
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0answers
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 ...
2
votes
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
votes
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
votes
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....
0
votes
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).
...
0
votes
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 ...
1
vote
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-...
0
votes
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
vote
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-...
1
vote
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 ...
2
votes
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 | ...
0
votes
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 ...
1
vote
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
votes
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....
0
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0answers
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 ...
2
votes
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)' ...
2
votes
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
votes
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 ...
0
votes
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 ...
2
votes
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 ...
