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

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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 ...
3
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1answer
37 views

How do I forbid access to physical memory in Linux?

I'm on an embedded system (Zynq from Xilinx. It uses ARMv7, Cortex-A9), and running Linux. I need to ensure that no access to a certain physical memory range is ever made, either accidentally by the ...
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How do I properly add Chromium to my Yocto linux distribution

Built Yocto (Poky fido branch) linux distro for Raspberry Pi 2 following this excellent tutorial Part 1. Now trying to run Chromium. Added meta-browser to my bblayers.conf Added chromium recipes ...
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2answers
8k views

Cross compiling expect for ARM

I have downloaded expect5.4 . I'm trying to cross compile it for ARM(PandaBoard) running stripped down version of linux. In the initial setup of configuring , I try Shell$ ./configure --host=ARM ...
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51 views

Why ARM devices are not shipped with latest Linux kernel?

Wondering why ARM based devices like Raspberry Pi, Android phones, Routers etc. are not shipped with latest Linux kernel ? Is it simply due to lack of proprietary device driver support ? Like lack of ...
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662 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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What do the flags in /proc/cpuinfo mean?

How can I tell whether my processor has a particular feature? (64-bit instruction set, hardware-assisted virtualization, cryptographic accelerators, etc.) I know that the file /proc/cpuinfo contains ...
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52 views

Minidlna on Debian Jessie crashes with no output

I run minidlna for a good year on Debian wheezy armhf, kernel 3.6.9 for a year without problems. Now I upgraded my Server to Debian jessie, kernel 4.0.3. Minidlna comes in version 1.1.2. Whenever I ...
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1answer
25 views

kexec crashing when booting a kernel without initramfs (ARM)

First, a few details about the setup: Linux-3.14.1 ARM am335x chip U-Boot bootloader What I am trying to achieve: U-Boot loads a kernel that contains an initramfs (call this kernel 1). U-Boot ...
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691 views

Installation of QEMU, GCC for ARM in RHEL

We are setting up a lab which has the QEMU system to emulate an ARM processor and run assembly programs. The lab is currently setup with the host operating system as Ubuntu. We are migrating the lab ...
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21 views

Qemu Linux(kernel with debugging symbols) and ARM

I'm looking for a Linux ARM kernel, disk image and initrd that is compiled with debugging symbols. I'm looking to debug the kernel using the qemu and gdb. Could you point me to an arm linux image that ...
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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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1answer
1k views

Build Linux and run it (uImage) on the Beagle board - xM

I'm working on some project where I'm using the Beagle board - xM Rev C. Power supply is 5V/2A adapter. My task is porting Linux Angstrom on the board but I have some problems. I have choosen Linux ...
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2answers
42 views

Using another's device resources for software execution

I have an old weak laptop (core duo at 1.7Ghz) and a quad core phone(arm cortex a7). Both are running linux. Could I use phone's resources from laptop to execute(process) stuff for laptop? Is there ...
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759 views

Error installing gdb-arm-linux-gnueabi

I get an error when I try to install the gdb-arm-linux-gnueabi package. This is the error that I obtain when I run apt-get install gdb-arm-linux-gnueabi: $ env LC_ALL=C sudo apt-get install ...
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1answer
25 views

How to clone RFS on NAND on ARM Chip?

I have a Cm-FX6 ARM chip on which there is 8GB onboard NAND which I use as the root filesystem, running Debian 6. How do I clone the root filesystem image? Is it possible to use Clonezilla to do so? ...
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ARM Debian: how to transfer system from MicroSD to internal flash?

I'm a Windows user, and a true newbie in the linux world, so I hope my question is'nt too dumb. I have Debian running on a BeagleBoneBlack, booting from the MicroSD. After a lot of apt-gets, installs ...
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Platform Device Drivers

I was just going through the code of kernel. I have a raspberry Pi board. I want to interface the touch screen with my board. I want to develop the Platform driver for that. As per the documentation ...
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75 views

Raspberry Pi mount Samba Network Share

I tried for at least 3 hours to mount my Network Share to my Pi... I searched on many posts and tried so many things. But nothing worked... I want to mount my Share over the /etc/fstab file so I ...
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2answers
31 views

How do I make a linux image which is of my current system?

I want a really minimalistic version of Linux to run on my raspberry pi. I need nothing on it apart form the tools to make it work. I can then install the things I need such as python, nano, ssh etc. ...
3
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1answer
253 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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How to completely disable video acceleration?

The issue is with a custom linux rk3066(ARM) build. When I try to play a video file, X-server crashes with segmentation fault and I get: main vout display error: failed to resize display. I am sure ...
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30 views

Debian ARM on chroot Mumble server error

I use Debian running in a chroot next Android. $ uname -a Linux localhost 3.0.64-CM-g7e7a10d #5 SMP PREEMPT Wed Apr 8 17:34:47 BRT 2015 armv7l GNU/Linux I installed mumble server apt-get install ...
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1answer
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Embedded Linux USB Audio Issue

I have a Corewind WiFiG25 board based on the AT91SAMG25 400 MHz following Arm processor running Linux 3.6.9 built using Buildroot. I am attempting to play mp3 files using mpg123 connected to an ALSA ...
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57 views

Cross-compile any aptitude package?

I have an ARM Chromebook. There is a project called Crouton that is able to install Ubuntu to the internal harddrive pretty easily (I've done it). But most packages in the repositories are of course ...
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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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Debian ARM on SG2 no audio

I started using Debian Linux Deploy on my Android. Communicates via VNC. I have a problem when running audio file with mplayer. Got the following error: roott@localhost:/home# mplayer ...
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uvcvideo: uvc_dequeue_buffer is timeout!! on Debian armhf IceWeasel

My Setup Radxa Rock PRO ARM Single board computer Debian Wheezy server prebuilt image for Radxa Rock PRO download image + Xfce desktop From terminal root@radxa:~# uname -a Linux radxa 3.0.36+ #14 ...
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578 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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npm on ARM return TypeError: Bad argument

Env Cross-compiled node.js for ARM read more... Installed on target FriendlyARM mini210s running bare Linux 3.0.8 armv7l On target node.js seems to function properly. I tried a simple hello word ...
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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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How do I cross-compile Chromium for ARM?

Goal I need to install Chromium on FriendlyARM mini210s running Linux 3.0.8 armv7l Environment Vagrant box with Ubuntu Precise64 Installed depot_tools following these guidelines Get-the-code and ...
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51 views

Second boot of Linux - Kernel Panic

I am currently working on a Linux distribution created with buildroot for an ARM device. The file system is JFFS2. I am booting with Das U-Boot. I am able to successfully boot exactly once. My ...
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Installing Brother DCP-195C on cups

I try to install my printer (Brother DCP-195C) on my Raspberry Pi. Due to the ARM architecture, I can't use the binary provided by Brother. Therefore I use the source files. I have installed ...
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OpenCV on SAMA5D3 with Linux

I have successfully installed fully working linux with busybox on this board. Followed most of the instructions from here. Now I want to install OpenCV on this board. What is the procedure ? I saw ...
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1answer
363 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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59 views

Installing Arch on HP Chromebook 11 (praying I didn't brick it)

I'm attempting to get into Arch Linux ARM by installing it onto an HP Chromebook 11. I was following this post but fell off the path when it came time to restart and boot from the USB. When I start ...
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143 views

Cross compile GLIBC : error: Need linker with .init_array/.fini_array support

Whenever I call glibc configure with --prefix=/usr --with-headers=/var/tmp/ubuild.wandboard-armhf.build_dir/armv7a-hardfloat-linux-gnueabi/sysroot/usr/include --host=armv7a-hardfloat-linux-gnueabi ...
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1answer
557 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
93 views

make: xscale_be-gcc: Command not found

I'm new to embedded and am reading 'Embedded Linux Primer' at the moment. I tried to build an xscale arm kernel: make ARCH=arm CROSS_COMPILE=xscale_be- ixp4xx_defconfig # # configuration written to ...
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1answer
558 views

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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1answer
58 views

Simple floating point benchmark that can be compiled from source?

I am interested in benchmarking some ARM platforms; can anyone suggest a simple benchmark with source code that can be used to benchmark floating point performance? A package such as a .deb file ...
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2answers
180 views

How do determine whether Linux board is using hardware FPU or not?

I am using an embedded Linux board based on a fairly old Freescale ARM chip. How do I determine whether the Python interpreter there is using the hardware FPU on the chip or not? My /proc/cpuinfo ...
2
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1answer
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kernel: nf_conntrack: table full, dropping packet; Underlying Reason

I have a modified linux on an ARM9 processor. It was working OK, but yesterday I got this error repeatedly: kernel: nf_conntrack: table full, dropping packet I have 2 questions: How can I find ...
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2answers
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“No such file or directory” when executing a cross-compiled program on a Raspberry Pi

I recently bought a Raspberry Pi. I already have configured it, and I install a cross compiler for arm on my desktop (amd64). I compiled a simple "hello world" program and then I copy it from my ...
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328 views

Unable to determine your tty name on Debian Wheezy on ARM

while trying to create my Debian Wheezy image for a FriendlyARM mini210s ARM single board computer, I am bumping into this issue. I have opened a terminal via serial sudo screen /dev/cu.usbserial ...
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24 views

Android 4.0.3 on mini210s ts_config: No such device

Trying to install and run Android 4.0.3 on FriendlyARM mini210s to which I attached a 5.6inch touch screen. FriendlyARM.ini ################### Android 4.0.3 #################### Android-BootLoader ...
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1answer
42 views

How do I start an application fullscreen without loading IceWM desktop environment?

Setup ARM computer FriendlyARM mini210s Debian Linux 3.0.8 (armv7l) + IceWM How can I start an application alone without the desktop environment? For the sake of prototyping I want to start ...
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331 views

Running Chromium on ARM - Failed to load NSS libraries

TARGET: FriendlyARM mini210s / Linux 3.0.8 armv7l Cross-compiled for ARM using this workflow Install sysroot on target and tried to run Chrome # ./chrome [0122/142305:ERROR:nss_util.cc(981)] Failed ...
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Debian Wheezy - Installing cross-toolchains

I would like to compile a kernel on Arm platform using this line: make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- uImage But I need a package I can't find: /bin/sh: 1: arm-linux-gnueabihf-ld: ...