A family of processor architectures used in many embedded applications, network and other appliances, and almost all smartphones.

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Install php 5.6 on Debian Wheezy on Armel

I'm working with an ARM server, and it has Debian Wheezy on it. Poor choice, I know, I didn't install it. I've (loosely) followed this guide and added this to sources.list: deb ...
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495 views

Kernel panic - not syncing: No init found

I am trying to build the linux kernel image for the Beaglebone black right from scratch! i am following the tutorials referred by Free-electrons(http://free-electrons.com/training/kernel/) I am ...
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1answer
1k views

No ttyUSB when connecting USB-RS485 to Beaglebone Black

I'm trying to connect a externally powered board to control the motors of a robot to my BeagleBone Black. I'm using ssh over USB(the mini-usb) to control the Beaglebone from my laptop. The BBB is ...
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380 views

How do I install tools, packages on Linux 3.0.8 armv7l?

Environment FriendlyArm Mini210s Linux 3.0.8 armv7l On the board: # uname -a Linux 3.0.8-FriendlyARM #76 PREEMPT Thu Aug 21 16:53:31 CEST 2014 armv7l unknown I need to install development ...
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70 views

create a realtime machine by assigning CPU cores to critical processes

I'm using an Udoo board for running two critical processes. It can run Ubuntu ARM edition and it has a Quadcore processor. I need to set the affinity of all the processes afinity running and the ones ...
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1answer
296 views

How to use ARM as LTSP server? [closed]

Arm has a limited support for server packages on Linux but is it possible to use ARM board i.e Raspberry Pi or Banana Pi(it uses Armhf instruction set rather than dated Armv6 used by raspberry pi) as ...
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1answer
325 views

Java appletviewer on arm ubuntu

I have an Ubuntu on arm CPU, where I would like to run a java applet standalone (i.e. not in the browser) I have the iced tea plugin installed and it works in Firefox. When I type appletviewer ...
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94 views

Installing Python without package manager

I need to install Python 2.7.x on a TI Sitara ARM processor (based on the BeagleBone Black) running a minimal custom version of Linux. In particular, the OS does not have any package manager, no gcc, ...
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Cross compiling GLIBC for my ARM SoC

I am seeing something really weird inside a chroot-ed Debian armel environment. But first, a bit of backstory... This is long, but the question is complex and any potential help depends on knowing ...
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1answer
2k views

How can I connect the BeagleBone to my wireless network using an ALFA AWUS036EW USB WiFi Adapter?

I am new to Linux so thanks for your help. This WiFi adapter isn't commonly used in the BeagleBone/Raspberry Pi world, but it is useful because it will allow me to attach a custom directional antenna ...
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234 views

How to set up a stateful firewall on an am335x Starter Kit board?

In the past, I have used the following script to set up a stateful firewall (on a normal x64 Ubuntu machine) without issue: iptables -P INPUT DROP iptables -P FORWARD DROP iptables -N TCP iptables -N ...
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256 views

What is the difference between ARM architecture and ARM core? [closed]

I read the data sheet of the TI - DM385 , in which they have mentioned as: ARM Cortex-A8 Core - ARMv7 Architecture What's the difference?
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491 views

Cross Compile GMP and Openswan for ARM

I have to cross compile opensawn for a OMAP4 Board and GMP is prerequisite. First I tried it on 64 bit OS but it gave me this error: configure: error: Oops, mp_limb_t is 64 bits, but the assembler ...
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2answers
3k views

Print job “Held for authentication”

Following the instructions here, I have installed a Samba print server on an ARM-based Udoo-quad running Udoobuntu 12.04 LTS. The Samba server is working, and (after setting guest ok = yes in the ...
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812 views

Raspberry PI crosscompile with cmake

Using this short tutorial Installing Raspberry pi Cross Compiler, I have successfully compiled the "cmake-hello-world" example. I tried to compile one of my other little apps which contains about 12 ...
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1answer
244 views

unrecognized --sysroot option.(Eclipse)

I'm trying arm cross compilation using sysroot for the autotools project.The options I'm using for autogen script is as follows. CC=arm-linux-gnueabihf-gcc --with-sysroot=/opt/sysroot/dir \ ...
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207 views

Switch screens in xorg.conf without reloading X

I have an ARM device running ubuntu and the screen set up using xorg.conf as below: Section "Device" Identifier "Card0" Driver "fbdev" Option "fbdev" "/dev/graphics/fb2" ...
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1answer
7k views

diabling cpu cores on quad core processor on linux

I want to disable 3 CPU cores and run my processor on a single core. I have used command:maxcpus=1. But after this I executed this command ls /sys/devices/system/cpu. It still shows ...
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84 views

ARM cross compilation package not found

I'm trying for arm cross compilation on my i386 machine using sysroot and chroot.I want to set environment variables like PKG_CONFIG_PATH to sysroot.Right now my code is not compiling because it is ...
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59 views

CPUFreq Kernel module

I would like to try the CPUFreq module on my board (Marvell Soc based on ARMv7 running a v3.15 linux kernel). My architecture is obviously not supported by the default source code (located in the ...
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248 views

redirecting output of /dev/fb0 to /dev/fb2

I am using IMX6 Saberauto board on Linux OS. I have 2 displays primary is HDMI and secondary is LVDS. I want to run 2 applications. One QT on primary display, which I am able to do. Second ...
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136 views

Chromium does not Render webpage (arm)

I am trying to run Chromium (the browser) on a Ubuntu install within Android (ARM) and am facing a weird issue: Webpages are not rendering at all. Links etc within the page are still clickable, ...
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1answer
325 views

ldd:FATAL: Unresolved symbol “getopt_long” called from Executable - using compiled binaries for QNX on arm. Why?

The Blackberry Playbook has formally reached EOL(april 2014), but I've installed BGShell, BGSSH-SCP-SFTP, and Term48 on it. So I have some ksh-like shell it seems with things like GNU awk 3.1.5, sed ...
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139 views

cross compile embedded arm

I have the android 4.2.2 code in directory /home/sghPhone2 which compiles normal with make menuconfig but I need to compile a 4.4 kernel and possibly patch it but when I download the source from ...
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1answer
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XFCE session fails to load when launched via LightDM

I have set up LightDM as the desktop manager on an ARM Ubuntu install (running with a chroot on an Android device) and this loads and works fine, however when I try to launch a Xfce session as a ...
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1answer
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Cross-compiling OpenSSH for Android

I'm working on compiling OpenSSH for Android based on this answer at Stack Overflow. Here's what I've done so far: Building on Ubuntu 14.04 amd64. apt-get install build-essential ...
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1answer
982 views

Static IP on BBB won't change with network/interfaces file

I'm using multiple BBB's (Rev C), communicating with them from my Mac (OSX 10.9.3) over USB using the HoRNDIS drivers. The BBB's are running Debian, and so I want to manually assign them all different ...
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is my linux ARM 32 or 64 bit?

under an intel I know I can look at the outcome of uname -m to know if my OS is 32 or 64 bit, but under ARM this gives: armv7l I deduced from file /usr/bin/ls that I'm on a 32-bit OS, but how ...
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525 views

GCC: set architecture to pass to linker

GNU C compiler passes the wrong architecture name to the linker. For example gcc helloworld.i throws the error ld: unknown/unsupported architecture name: -arch arm. After some experimenting with LD, ...
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1answer
421 views

Why doesn't 'ar' work like the manpage says?

I'm trying to use 'ar' included in Debian Wheezy armel version of binutils and it doesn't seem to operate like on other systems I've encountered. Some sample output from the command-line: $ ar ...
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2answers
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32-bit vs 64-bit vs ARM in regards to programs and OSes

So when I run Raspbian (basically a ARM Debian derivative with LXDE), I can install any normal package using aptitude. But if, for example, I wanted to download a .deb file, I would have to choose ...
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473 views

Install “ia32-libs” package on Windows to use in Linux

I have recently installed a GCC ARM Embedded toolchain for Linux (to run on a 64-bit machine). However, the pre-built version of Linaro GCC runs on 32 bit machines. The solution is simple: apt-get ...
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arm-linux-gnu-gcc Vs arm-linux-gcc

What is the difference between arm-linux-gnu-gcc and arm-linux-gcc Which should be used for cross compiling a C program for ARM ?
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1answer
502 views

How to install an Intel binary file on ARM?

I am trying to install a binary file, and I get the output as "Cannot install binary". When I did file .bin, the output is: c64plus-imglib_2_02_00_00_Linux-x86_Setup.bin: ELF 32-bit LSB executable, ...
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1answer
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Kernel booting stops right after “Uncompressing Linux…”

I'm trying to bring up an ARM-based board. I've got U-Boot working but can't seem to get the kernel to load. Most of the time it only goes as far as: Starting kernel ... Uncompressing Linux... A ...
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462 views

Making an Android container with Ubuntu 12.04 on the Samsung ARM Chromebook : initrd file not found

I'm trying to run Android as guest OS with LXC containers on Ubuntu 12.04 LTS on the ARM Chromebook, reading this tutorial. At some point of the tutorial, it says: Then get the initrd for your ...
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43 views

How to use dhcpd on two network interfaces?

I have an embedded system that has Ethernet and wifi. I want to setit up in a way that it provides IP to both interfaces. The system uses BusyBox. and I an new in this area. can you provide a sample ...
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Chromebook Series 3 xfce4 can't boot

My Chromebook Series 3 xfce4 can't boot. When I try to enter xfce4 using sudo startxfce4, I get the following response and xfce4 wont start. sudo startxfce4 Entering /usr/local/chroots/precise... ...
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2answers
3k views

Setup ntp client with embedded device

I need to run an NTP client on a very limited embedded device. ntpd is available but I do not see anything like rc.conf, or ntp.conf, or xntp.conf? Can someone advise on how to setup NTP? I ran ...
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2answers
569 views

Neither crontab nor anacron is running, how to debug?

I'm running Arch ARM on a PogoPlug and want to execute a file every hour, the file when call directly runs fine (it is executable), for testing the file /etc/cron.hourly/crontest contains ...
3
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1answer
179 views

Embedded Linux: Which machine directory to pick in /arch/arm?

I am just starting out with embedded Android drivers, so any help would be great. I haven't found a lot of resources online. At the moment, I am working through a tutorial on porting a driver, and ...
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cross compile driver

I have a cross compile environment setup to compile for an ARM 9 processor, this works fine, now I want to compile an external third party driver within this environment. I downloaded the driver, and ...
3
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1answer
914 views

Cross compiling htop libncursesw not found

I'm trying to cross compile htop on an x86 Ubuntu 13.10 machine for Raspberry Pi ARM architecture. I've a crosstool-ng toolchain correctly configured, but when I use the command: ./configure ...
2
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1answer
299 views

How to build a basic embedded linux on a Qualcomm router?

Not knowing the first thing on how to build a minimal linux system on an embedded device, I'd like to get some pointers in the right direction. Generally speaking, I'd like to know what are the ...
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1answer
672 views

linux on arm bios-less netbook running android

I have a netbook running Android 4.0 with an ARM processor. It does not have a normal bios at the startup so I cannot boot from USB. Is there a way to load a Linux distro in it? This is the netbook: ...
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3answers
484 views

Headlessly Compiling and Uploading Arduino Programs on an armhf Platform

I'm currently running my Hardkernel ODROID U2 with the ODUINO One (Arduino Uno R3 & additions) in a headless setup and connect to the ODROID U2 via SSH over LAN. It is running Debian 7.1 armhf and ...
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2answers
442 views

ARM LXC Container template

I've been trying to run LXC on an ARM architecture (arm6l - Raspberry Pi) but with no luck. After some research, I found that maybe trying to run a x86 template on my ARM was causing the problem (bash ...
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1answer
808 views

chroot segfault

I've been trying to create a LXC container (lxc create) but at the end I get these messages: W: Failure trying to run: chroot /var/cache/lxc/debian/wheezy_armhf.partial mount -t proc proc /proc W: ...
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1answer
179 views

Looking for economical ARM based board for learning Linux [closed]

I want to learn embedded linux and porting. I am planning to buy a Respberry PI which is based on 700 MHz Low Power ARM1176JZ-F Applications Processor, with 512MB SDRAM. this is the cheapest board ...
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200 views

Containers running on ARM

I've been doing some research and decided to implement OpenVZ since it allows each container to be isolated from other containers, unlike LXC. However, OpenVZ is still not supported for ARM ...