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2
votes
1answer
15 views

mounted filesystem without journal. Opts: (null) while mounting ext4 fs

I am using Beaglebone black with NFS, I have formatted internal eMMC with ext4 filesystem, when i mount the file system using following command message popups telling filesystem is mounted without ...
0
votes
0answers
10 views

BTRFS & F2FS userspace utilites cross compilation

Is there any weblink/document which describes the steps to cross-compile btrfs & F2fs user space utilities ? Any steps ? special tuning suggestion for arm based board.(AM335x) ?
-2
votes
1answer
22 views

How to compile the linux without any audio codecs?

I want "no audio" functionality in an embedded system. So, any idea about how to configure kernel without any audio? Thanks.
2
votes
0answers
55 views

Chipsee 7 inch LCD support in Linux kernel 3.14

Has anybody ported Chipsee 7 inch LCD on Linux kernel 3.14 or later ? Is there any patch available for the same ? If no patches any suggestion porting Chipsee LCD support from Linux kernel 3.8 to ...
0
votes
0answers
32 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
0answers
40 views

Developing a videoplayer to play hd files in an embedded device

I need to develop a video player which is capable of playbacking HD videos and supporting variable speed rates. Such a videoplayer will have to be installed on a small device (embedded) equipped with ...
0
votes
1answer
30 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 ...
-1
votes
2answers
151 views

How to install usbnet driver on kernel 2.4.23-2.5-ts/

I searched in the directory "/usr/lib/modules/2.4.23-2.5-ts/kernel/drivers/net/usb/" for the usbnet but i didn't find it so how can i install the usbnet driver,i don't know where to start or how to ...
0
votes
0answers
24 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
89 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
25 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
77 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
151 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
347 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
176 views

5 Feb 16:53:26 ntpdate[414]: no server suitable for synchronization found

I want to setup ntp in beaglebone based custom board. /etc/ntp.conf file content is as mentioned below driftfile /var/run/ntp.drift server pool.ntp.org server 1.in.pool.ntp.org server ...
1
vote
1answer
689 views

ALSA “dmix plugin supports only playback stream” error when using dmix on beagleboard

On a Beagleboard, I need it to play sound from several processes. The default /etc/asound.conf is empty, so I put this dmix example in. Now sund mixes fine, but when I'm trying to run a process that ...
0
votes
1answer
122 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
129 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 ...
1
vote
0answers
101 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
1answer
541 views

How to disable logging to serial terminal - embedded linux

I have an embedded device running embedded linux and I connect to it using a serial port. I am capturing the logs I need using cat proc/kmsg into a file in a background process. I would like to not ...
0
votes
0answers
64 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
287 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
323 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, ...
22
votes
4answers
2k 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
245 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 ...
0
votes
0answers
104 views

TEW-671BR router software customization fails

I want to customize my TEW-671BR router to meet my needs. I've cross-compiled and installed telnet, tftp client and daemon and it works, but one thing that I want the most doesn't. I want that router ...
3
votes
2answers
302 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
74 views

Development environment for embedded system [closed]

I need to develop software in C/C++ for an embedded system. I have Debian 6 running off of a USB hard drive. I would like to be able to generate a stripped-down kernel with modules, and install them ...
0
votes
1answer
264 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
1answer
890 views

Linux TFTP server external access through router

I am using Ubuntu as the host machine for my embedded Linux board with the tftp-hpa service. I can boot just fine using the u-boot bootloader while passing the local ( 192.168.1.10 ) ip address of the ...
0
votes
0answers
229 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
445 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
650 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
1answer
431 views

Sharing storage partition from linux device over usb

I have an ARM device running linux using a micro sd card as it's storage. The sd card is split into 3 partitions, the boot partition, the linux partition and a 3rd partition for storage. The third ...
1
vote
0answers
612 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
610 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 ...
10
votes
3answers
9k 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?
4
votes
4answers
3k views

Telnet or SSH to Embedded Linux based NAS?

Do you happen to know whether it is possible to telnet or SSH to LG N1A1DD1 NAS? It seems to have lots of features that I don't need (including FTP) but I couldn't find any mention of the ability to ...
1
vote
1answer
1k views

Bootable Linux on CF Card

I have a Advantech PPC-105T (http://www.emacinc.com/panel_pc/ppc105t.htm) that has a 64MB compact flash card with Windows NT 4.0 on it. It is a 300MHz AMD Geode GX1 with 64MB of ram. I want to put a ...
0
votes
1answer
359 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
421 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
481 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
300 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
994 views

buildroot rootfs on arm board

After building buildroot with Kernelimage and rootfs (jffs2) i flashed them to my board. bootargs set to: mem=64M console=ttyS0,115200 root=/dev/mtdblock1 rw rootfstype=jffs2 Now when i boot i get ...