All Questions
72
questions
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0
answers
64
views
My python application doesn't want to cross-compile using Yocto
I'm currently trying to set up a Linux OS for one of our embedded projects, I've successfully cross-compiled many packages from pypi using the PiP2Bitbake package but when I tried to do it with a ...
0
votes
0
answers
632
views
Configure amount of reserved memory for Linux kernel
I am running Linux on an embedded device with 64MB of physical RAM. Linux prints the following message when it boots:
[ 0.000000] Memory: 58944K/65536K available (3072K
kernel code, 576K rwdata, 832K ...
- 1
0
votes
0
answers
13
views
cdrtools and dvd+rw tools installing issue in am5728 linux kernel?
I am installing dvd+rw-tools-7.1 and Cdrtools-3.02a09 in am335x using below commands
1.dvd+rw-tools-7.1
root@am57xx-evm:/dvd+rw-tools-7.1#sed -i '/stat.h/a #include <sys/sysmacros.h>' growisofs....
0
votes
0
answers
201
views
How to test CPU hot plug on Windows?
I tried CPU hot plug testing with Linux using the command lines :
Set online/offline individual core or group cores:
echo 0 > /sys/devices/system/cpu/cpu0/online
echo 1 > /sys/devices/system/...
0
votes
1
answer
714
views
Docker daemon not starting on embedded
I am unable to run docker daemon on my embedded device using a custom Linux distro (Yocto based). The initialization ends with the following error:
failed to start daemon: Error initializing network ...
- 103
0
votes
0
answers
204
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Linux embedded system: detect power on USB (as USB device)
I'm working on a Linux embedded system that can draw its power from two distinct sources:
a dedicated power supply
power supply through USB (connected to an external USB host)
I must know when the ...
0
votes
2
answers
580
views
Is there any way to turn on telnet and/or ssh on an embedded Linux system using only ftp access?
Looking at my embedded Linux device. Connection refused to default ports with either ssh or telnet clinet, but not the ftp port. I have root pwd because the web front end of the device uses the true ...
- 31
0
votes
0
answers
442
views
File loss due to unexpected reboot during write on f2fs filesystem
I am using F2FS in embedded linux (eMMC flash), and I noticed a lost of logs if device was unexpected rebooted. I have wrote a program that writes to a file in a loop and at one point causes a reboot ...
0
votes
0
answers
379
views
GSM PPP no internet connection
I've referred to 3-4 tutorials about setting up PPP connection using GSM modem. I have a linux OS - i'll be working with this on Mint and Debian.
https://www.rhydolabz.com/wiki/?p=16325#comment-...
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1
vote
0
answers
61
views
Multitouch interaction compiled on Linux system with a on/board pc
I assume something is wrong in my setup but can't figure out what it is.
I'm on Intel core i7 board with Waveshare touch screen. As Operating system I tried Lubuntu, Ubuntu 18.04, Ubuntu 19.04 and ...
- 11
2
votes
1
answer
410
views
How do I specify which driver is used for a device when more than one are applicable
I'm working on getting a more modern Linux working on a single board computer where the original company has gone under but the hardware is well supported by the open source community. I've made very ...
- 345
3
votes
0
answers
178
views
libnl takes time to see a disconnected client
I am working on an embedded device, with a custom OS (Yocto on iMX6).
The device use hostapd to create a WLAN.
I use libnl to list the connected WiFi clients, my code is based on iw to get the ...
- 131
1
vote
1
answer
2k
views
How to modify vmlinuz without recompile
As title, I have two vmlinuz files on hang for embedded system.
And, I don't have the source and compiler for it, the developer of this embedded system also not work anymore.
The first vmlinuz ...
- 11
0
votes
0
answers
105
views
BOA hang - how to detect this and take action for this
I am having a SDK which has a boa webserver running in it to server HTTP requests.
It is seen that at times the BOA server hangs.
The boa server is not dead as it is shown in the device as running ...
1
vote
1
answer
612
views
Issue in HFP/HSP bluetooth profile in Linux
I am attempting to implement hands-free telephony on my board, I successfully connected my android phone to the board via bluetooth module(QCA61X4A) in phone and media audio sharing mode.
I was able ...
- 121