0
votes
0answers
29 views

List all interrupts in linux

I am working on an embedded linux device. I want to list all of its interrupts. I know the command cat /proc/interrupts. But it only lists in-use interrupts. Is there a way to know all interrupts of a ...
0
votes
1answer
27 views

Capture output from quickly rotating log

I am dealing with a misbehaving third-party program, the vendor of which seems happy to help if I can provide them with the debug log. They told me how to turn debug logging on and off, however ...
0
votes
0answers
23 views

Kamailio On freescale P2020

I tried to install Kamailio server on P2020 and getting an error: Altivec and e500 instructions cannot coexists. Your recommendations will be highly appreciable.
0
votes
0answers
67 views

Can I use a squashfs file sitting on a hard disk as my rootfs?

I need to do remote updates on an embedded Linux box that has its rootfs on /dev/sda1. My first thought was to add an update partition and switch to it on update, but for reasons specific to our ...
0
votes
0answers
24 views

Package manager for target file system

I'm developing for an embedded linux application and I need to install some libraries that have a pretty lengthy list of dependencies. Is there a package manager out there that I can point to the ...
0
votes
1answer
68 views

Linux 2.6.39.4 how to find available loadable kernel modules

I'm customizing the 2.6.39.4 linux kernel on an arm platform and trying to test out a "Hello World" driver I created. I selected "M" (loadable) in the kernel make menuconfig and verified that it ...
3
votes
3answers
150 views

Cannot access device over network interface. Now what?

I made a really dumb mistake today. I bought a network camera a few days ago from some reseller on ebay, and it's running embedded Linux. I'm not sure what I did, but I edited /etc/network/intefaces, ...
1
vote
1answer
260 views

Handling bad block in NAND flash memory

Is there any way/tool/utility to correct the badblock on the NAND device ? We are having custom board based on beaglebone but instead of mmc we have NAND flash. MTD partitions on the NAND are as ...
0
votes
1answer
111 views

SSH from Ubuntu to embedded linux

I'm a beginner un networking. I'm trying to connect an embedded linux to my Ubuntu 12.04.3 LTS by Ethernet. I have configured the embedded system to work with a static IP adress (192.168.9.119). ...
0
votes
0answers
115 views

I2C device driver error [TCA6408 I/O expander]

I want to connect TCA6408 IO Expander and get key input to my embedded system. I am trying with SABRELite (iMX6Q) Boad and my development environment is LTIB (L3.0.35_4.1.0_130816_source.tar.gz) I ...
0
votes
0answers
46 views

Boot to shell instead of initramfs in ubuntu core

I'm working on an Ubuntu Core Implementation for ODROID-XU, what I've done so far it's taking a Xubuntu Implementation, Replaced filesystem and patched to activate Console (Debug UART), The board ...
1
vote
0answers
97 views

My own linux Chorded keyboard driver and interface to my embedded application

I wan to develop my own keypad driver to my own keypad. I have to used GPIO to identify Key Events and used I2c to get scan code. I am going to develop keypad driver like this. #include ...
0
votes
1answer
71 views

What does these udev rules mean?

The following is taken from an embedded system which does not have hard drive in it. KERNEL=="sd?", SUBSYSTEMS=="usb", DRIVERS=="usb-storage", NAME="sda" KERNEL=="sd?2", SUBSYSTEMS=="usb", ...
0
votes
0answers
57 views

How to persist my console setfont choice?

I have a BeagleBone Black, with a 4.3" LCD Cape. It's running the up-to-date angstrom distribution. I'm running with Gnome/X disabled, so I just have a simple text console on my display at the moment. ...
0
votes
1answer
274 views

Embedded Linux Distribution for thin client

I have a WYSE j400 thin client and I want to experiment with different functions for it. It currently has a 1ghz VIA CPU, 1gig of SDRAM and a 512mb flash IDE. Is there a recommended embedded Linux ...
0
votes
2answers
294 views

Scalable and simple VPN solution for embedded devices

I'm looking for some sort of VPN solution with the following requirements: Server should be available for a Window Server 2008+ Client should be available for Debian Linux Light-weight and scalable, ...
21
votes
4answers
1k views

Can unexpected power loss harm a Linux install?

I am developing an application on a Linux embedded board (runs Debian) e.g. Raspberry Pi, Beagle Board/Bone, or olimex. The boards works on an environment that the electricity is cut unexpectedly (it ...
0
votes
1answer
221 views

Does presence of Link local address mean the system support IPv6?

I am trying to implement dual stack for IPv6 support in a IPv4 system. I have configured a DHCP server which gives IPv4 and IPv6 address to the device. My PC and the VM running on it gets both, IPv6 ...
3
votes
2answers
290 views

ssh & ping to target works from desktop but not from laptop?

Now where is the problem if ssh & ping to target works from desktop but not from laptop ? I have been able to ssh to my target from my DESKTOP using following command :--- Target IP is fixed in ...
4
votes
2answers
1k views

How do I boot [embedded] linux from sd card?

I am hacking together a quick embedded linux system on a DM816x evm board. Previously I have been using TFTP and NFS to load my kernel and root filesystem to the board. I am now trying to switch over ...
0
votes
1answer
242 views

linux usb virtual printer as a usb printer on windows

i want to create a "linux box" with 2 usb. first usb is attacched to windows pc the second to printer on linux. Now the first usb (windows-to-linux usb device), must be seen by windows as a printer ...
0
votes
0answers
224 views

Not able to mount HFS partition in Linux (SD Card)

I am trying to mount an HFS Plus partition in my Linux embedded target(2.6.35) and I ended up with the following error: "mount -t hfsplus /dev/mmcblk0p9 /mnt" mount: mounting /dev/mmcblk0p9 on /mnt ...
0
votes
2answers
416 views

Boot Read Only Debian With Some Exceptions

I have an embedded system booting Debian off from a CF card. To minimize the potential for unrecoverable corruption when non-graceful shutdowns occur, I can boot the filesystem readonly by configuring ...
4
votes
1answer
636 views

Which Linux distribution for vehicle LCD instrument panel

I will be designing an instrument panel for a vehicle to display the common gauges that you would find in a car - (speedometer, rpm, fuel level, oil pressure, etc.). We have selected a 7" LCD and are ...
1
vote
0answers
600 views

changing the boot logo on embedded linux (angstrom)

i have am3517 based embedded board and i have installed my own kernel and filesystem compiled with angstrom toolchain. Now i want to change the bootscreen logo? Is there anyway to do that? Thanks ...
2
votes
1answer
2k views

Automatically load kernel module at boot. (Angstrom)

i know how to load your module automatically in ubuntu. you put your module in /etc/modules But, i compile a kernel and filesystem for an embedded system which i am working on it. but there is no ...
0
votes
2answers
568 views

Capture the putty log to a file

I start putty from a linux terminal.When it starts/invoked i set the serial line and the speed option. I want to capture what ever that is shown on the putty to a file after doing the above.How to do ...
8
votes
3answers
8k views

What does kill -3 mean?

I know kill -9 mean, but anyone can explain what does kill -3 mean? Any special signal it sends out?
3
votes
3answers
2k views

Unmounting Detachable devices (eSATA,USB storage) in Linux

A detachable device like eSATA, USB drive can be abruptly removed (by simply pulling the plug). If there are open file handles on a partition, then this partitions won't unmount, i.e. the Linux ...
0
votes
0answers
458 views

Is it possible to install Linux on HP Touchpad?

Is it possible to install Linux on the HP Touchpad which has WebOS on it? Secondly, what would I need to do specifically to get it on there?
0
votes
1answer
354 views

Linux 2.6 jffs2 filesystem, repeated usage of mount/umount for the SD card hangs the kernel

Using a jffs2 filesystem mount /mnt/sd/ umount /mnt/sd/ When the [mount] and [umount] command is repeatedly used, sometimes the kernel will hang. And there is no clear count for how many ...
1
vote
0answers
417 views

Adding udev for embedded linux

I am using an arm processor and linux busybox as my OS. I want to add udev running in my system. The system has mdev. But doesn't seem to fulfill my need. How can I add udev for my system? thank you. ...
0
votes
2answers
468 views

Embedded Linux Reboot Crash

I'm working with Linux 2.6.23 on an embedded device and am receiving the following error executing the reboot command. ~ # reboot ~ # Syncing hardware clock to system time hwclock: Could not access ...
1
vote
0answers
31 views

Need suggestions for system wide profiler for an embedded linux device

I would like to profile my embedded linux device for various actions (e.g. touch input on screen, flip a page in a news reading app etc). But the requirement is that the profiler should generate ...
1
vote
0answers
292 views

Booting with nfs just prints some weird character

Problem I have an embedded system which I am unable to boot via NFS using an Embedded Linux Kernel Image and rootfs both placed on my laptop (which serves as the NFS server as well as a TFTP ...
1
vote
1answer
94 views

Setting tcp ip argument while booting up linux

Could somebody explain me how to set the tcp ip parameter while linux boots up in my board. Currently i am giving it like : tcp ip=:::::eth0:dhcp If i have my own static ip and its corresponding ...
0
votes
0answers
234 views

Please comment on Hackbench performance on my embedded Linux device

I could not find this info any where else. I am trying to figure out if the hackbench result on my embedded Linux device is good enough. uname -a Linux 2.6.26-rt #5 armv6l Processor : ...