The ARM architecture is a 32 and 64-bit instruction set architecture (ISA), based on the reduced instruction-set computing (RISC) design. The 32-bit ARM architecture is the most widely used 32-bit ISA. The ARM architecture is often licensed to other third-party companies, to allow the development ...

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1answer
711 views

Mount TMPFS instead of ro /dev

I am working on a ARM-Based embedded system with a custom Debian Linux based on kernel 2.6.31. In the final system, the Root file system is stored as squashfs on flash. Now, the folder /dev is created ...
2
votes
1answer
842 views

Udev rules on Ubuntu/OMAP (Beaglebone)

I have an IROX Pro-X weather station and am running wview weather software on Ubuntu 12.04. I have been running it on my old laptop for a few months with no problems but am trying to run it on a ...
2
votes
1answer
1k views

Arch Arm: /folder does not support NFS export

I have a backup drive that is formatted hfs+ (for my mac laptops) That I want to have available on my home network so I don't have to plug in directly. I have a pogoplug running arch linux (install is ...
2
votes
1answer
407 views

how to start a process from linux(debian) OS on detection of a usb device?

I'm using a FTDI 2232H chip in synchronous FIFO mode to communicate over USB to an altera Cyclone II FPGA. I've developed a program that will communicate with the device, using libftdi and libusb, ...
1
vote
1answer
25 views

Output of dstat is getting buffered (30 seconds)

We are running dstat on a one second update frequency using this option: --output <filename> The data is correctly written but only every thirty seconds. Here is the full dstat command ...
1
vote
1answer
319 views

Mount a Linux Disk Image with two file systems?

I'm working with the new Kali Linux ARM images, and after hours of not figuring anything out in terms of mounting, I got it to mount via my Mac and fuse. Here's the curious thing, it's a single image ...
0
votes
1answer
22 views

Not able to boot Debian arm64 on Windows using Qemu

I am running a Windows machine and I want to emulate a Debian OS with arm64 architecture. I downloaded an ISO file to setup a fresh VM. I used the following command: qemu-system-arm.exe -cdrom ...
0
votes
1answer
30 views

Are popular benchmarks valid comparisons of architectures?

Recently, people have been very excited over Apple's ARM processor capabilities, citing benchmarks results that rival x86 processors. However, I am kind of skeptical of these benchmarks: though the ...
0
votes
1answer
33 views

raspberry pi (armhf) printing

i migrated my installation of point of sales (basically generic keyboard mouse i/o) from old e2200 pc to raspberry pi. everything going smooth until the driver of the printer cannot be installed as ...
0
votes
1answer
242 views

Wired connection being dropped

I have an ARMv7 microcomputer (based on Freescale IMX6) that works as media server, running on Archlinux. The last couple of weeks i've been having issues with the wired connection (eth0), it drops ...
0
votes
1answer
105 views

how does processor come to know that IRQ or FIQ occur and how it changes to a specific interrupt request mode ?

Suppose processor is in user mode and IRQ occur then its changes to IRQ mode. But user mode does't have write access to control field of cpsr then how the mode is changed ? May be i am wrong, Please ...
0
votes
1answer
108 views

Shouldn't Android emulator be faster when running on Linux and ARM based PC?

I's a little bit counter intuitive to fully emulate ARM processor and whole operating system when already running inside Linux on ARM.
0
votes
1answer
740 views

USB ethernet adapter connected and found in ifconfig, but not working

I've bought a USB ethernet adapter for my ARM-Board running debian to have a second interface. I compiled and loaded the driver/module and the device is being recognized: [ 5.285487] usb 2-1.3.1: ...
0
votes
1answer
174 views

Basic HTTP authentication proxy?

I'd like to configure my smartphone to use the web filter Privoxy application I left running on a Linux appliance at home, as an easy way to simplify web pages and rid them of ads missed by ...
0
votes
1answer
306 views

installing arm-none-eabi-gcc on freebsd 9

I'm trying to follow this guide : https://wiki.freebsd.org/FreeBSD/arm/ArndaleBoard but as you can see here : http://www.montedivenere.it/images/freebsd-arm/freebsd-arndale.png I need to install ...
4
votes
0answers
90 views

What happens in a ARM based system before the OS is loaded?

What happens in a ARM based system before the OS is loaded and do they have BIOS, drivers, MBR or a different approach instead of these?
1
vote
0answers
48 views

Apache httpd-2.2.10 crosscompile to ARM

I'm trying to crosscompile Apache 2.2.10 to ARM architecture. I've exported CC, ARM variables. Also I've sucessfully crosscompiled openssl, apr, apr-util and pcre packets for target ARM architecture. ...
1
vote
0answers
59 views

Debian ARM and Brother MFCJ5320DW with CUPS

I am trying to use a Brother MFCJ5320DW printer with Debian ARM, which is similar to: Debian ARM and Brother DCP195C with CUPS ...
1
vote
0answers
61 views

Can't use sudo when autologin in Arch Linux

I have a Pandaboard running Arch Linux, the default non root user is alarm. I'm trying to automatically login at startup with the alarm user. I followed the instructions here and created the file ...
1
vote
0answers
52 views

Proper GCC setting for my CPU

I'm trying to compile a simple C program for my Colibri T20 running Angstrom Linux. The output of uname -a is here: Linux colibri-t20 3.1.10 #1 SMP PREEMPT Fri Mar 20 02:38:59 CET 2015 armv7l ...
1
vote
0answers
319 views

GCC option : Unrecognized command line

I am trying to build my project with gcc compiler but I get this error: gcc: error: unrecognized command line option '-mthumb' Isn't -mthumb a default option for gcc? Why he couldn't recognize it?
1
vote
0answers
203 views

Xen on ARM Cortex A9

I see that there is a version of the Xen hypervisor for ARM CPUs. However, most ARM CPUs appear not to have virtualisation extensions (and are not otherwise efficiently virtualisable). Hence I looked ...
1
vote
0answers
178 views

Is there a way to use a “hardware fingerprint” to automatically mount an eCryptFS directory on boot?

I would like to have an eCryptfs directory "securely" automatically mounted on boot without logging in. My scenario is this: I have an embedded ArchLinux server (ARM-based) that uses a removable ...
1
vote
0answers
206 views

USB Mouse and Keyboard not working in Linux 4 Tegra

I am a new person in Tegra Linux development. I have Tamontem NG Evaluation board with Tegra 3 Chip. I installed L4T sample file system from NVIDIA tegra Resources ...
1
vote
0answers
239 views

ARM Processor - thermal monitoring?

Has anyone had success in getting temperature information from an ARM processor? I've tried using lmsensor but when I run sensors-detect the system locks up and has to be cold booted. Are there ...
1
vote
0answers
115 views

Debian Linux running on TS-7880 Arm Board; Cannot run shell scripts with non-root user

Here is the snippet of the script that I am trying to run some shell scripts on a TS7800 Arm Board through a non-root user: echo > /dev/ttts4 echo " `hostname`" > /dev/ttts4; echo ...
1
vote
0answers
1k views

Running FreedomBox in Qemu

I wanna run the latest FreedomBox image on my Ubuntu laptop. The FreedomBox image is for DreamPlug, a 1.2 GHz Marvell Kirkwood 88F6281 SoC (ARM9E), and my Ubuntu is v12.10 (3.5.0-17-generic i686). ...
1
vote
0answers
1k views

problem trying to configure xorg in debian arm system

I'm trying to get the display working with xorg an a LOGIC PD TI AM35X SOM-M2 system running debian through a NFS boot setup. The LCD touchscreen display that I have hooked up comes up as /deb/fb0. ...
1
vote
0answers
372 views

ARM Linux kernel debugging on AT91SAM9261

I have ported Linux to AT91SAM9261 board, I have compiled my own Bootstrap, Uboot, Kernel and filesystem. Now I want to debug my Linux kernel 2.6.30 using KGDB and GDB. I have host with Ubuntu ...
0
votes
0answers
10 views

dpkg can't configure python-pkg-resources

Cubieboard2, Debian Wheezy $ uname -a Linux cubieboard2 3.4.79 #2 SMP PREEMPT Sat Feb 15 10:02:52 CST 2014 armv7l GNU/Linux I'm trying to update the packages, but the process fails at ...
0
votes
0answers
34 views

How to Download C code to De1-SoC and get it running

I have a DE1-SoC board and would like to play with it. My wish is to write a simple program in C, compile, then upload the binary to the board. However, I am not sure where to start from. Do I ...
0
votes
0answers
42 views

Wanting to run x86 binaries in Crouton Linux on dev-enabled Asus Chromebook Flip (ARM)

Yes, I know this may be very esoteric. :) I have a few simple x86 programs which run fine using Wine in any stock x86 desktop Linux. None of them have any 3D graphics or unusual hardware needs. ...
0
votes
0answers
53 views

streaming camera video to server using motion

I have a DLINK DCS 930L IP camera. I am using motion software right now to stream the video and also record video from the camera. But, now it just streams video to the local network. in the ...
0
votes
0answers
36 views

Is ARM PL310 only in Cortex A9 processor?

I know that ARM Cortex A9 processor can be equipped with PL310 cache controller. However, I'm not sure if other ARM processors may support PL310 cache controller? I searched Cortex A7, A53, and A57, ...
0
votes
0answers
164 views

How to install Arm 7 distribution of Nodejs

Nodejs provides pre-built binaries for ARM7: https://nodejs.org/dist/latest/ There's nothing in the readme about installation on ARM7. How can I ensure node and npm are installed globally. Is it ...
0
votes
0answers
20 views

Do the ARM CPUs have legacy support/compatibility?

Traditionally the x86 CPUs included legacy support for older CPUs. This is: modern CPUs always could (can) execute programs designed for older CPUs. I have seen there are multiple ARM CPUs: ARMhf, ...
0
votes
0answers
43 views

Getting “No Such File or Directory” but the program exists in Debian armel

I’m running Debian armel in Qemu and trying to run an ARM program but am running into issues: user@debian-armel:~$ ls -lbat total 32 drwxr-xr-x 2 user user 4096 Sep 14 23:54 . -rw------- 1 user user ...
0
votes
0answers
42 views

How to test ARM Ubuntu under Qemu the easiest way?

I would like to play with ARM version of Ubuntu (with graphical support) under Qemu, but I have problems finding any tutorial on how to get it done most easily (I would prefer to just download some ...
0
votes
0answers
28 views

Connect to FriendlyARM from fedora in Vmware

I have a pc with win8.1 . In my pc I have vmware10 that I install win7 and fedora21 on it. I bridge the network (my WIFI and VMnet1 and VMnet8 ). now I have internet over fedora, but when I write ...
0
votes
0answers
86 views

Unable to initialize libusb: -99 und Microzed-Board running Linux

I have a microzed ARM-Board running a custom Image based on Debian Jessie with a 3.17 kernel. I need to use a wifi-stick with the board (I currently have an EDIMAX EW-7711UAn, but I guess i could use ...
0
votes
0answers
342 views

HDMI to VGA converter, no image from Banana Pi

I'm trying to use a Banana Pi with Bananian OS (Debian 7 based) on a monitor that does not have a HDMI input but a VGA. So I bought a HDMI to VGA adapter. I followed the instructions written here to ...
0
votes
0answers
153 views

Printing from Linux workstation on CUPS raw queue (on Raspberry Pi)

I have a Raspberry Pi (ARM architecture) and a Samsung SL-M2022 (SL-M2022W) connected to it. Samsung provides Linux drivers only for Intel-based architectures, so I configured this printer as RAW ...
0
votes
0answers
104 views

Arch Linux mpd error-

MPD installed on Arch Linux ARM resulting in this error: mpd: /usr/lib/liblzma.so.5: no version information available (required by /usr/lib/libavcodec.so.56 I already cleared some of the errors ...
0
votes
0answers
22 views

Fedora21 aarch64 not recognize multiple nic or usb device

I installed the Fedora21 aarch64 for mustang board, but it displays only one nic(eth0),but really it has 4 nic: 2 1GE port,1 GE Mgmt Port,10 GE Port. MY question is how to make system recognize them ...
0
votes
0answers
222 views

Compile brscan3 on Raspberry Pi (brother scanner)

I am trying to compile brscan3 (Brother software for scanner) from source file on my Raspberry Pi (arm architecture). I tried ./configure but I obtain this error: config.status: creating Makefile ...
0
votes
0answers
49 views

Java processes are choking ArchLinux on Wandboard; disconnects from SSH and gibberish in the log files

I’m facing a strange problem on my Wandboard where I’m running ArchLinux as a distribution. I’m running Oracle’s ARM JDK version 1.7.0_60-b19 and Java processes are choking. I’m suddenly not able to ...
0
votes
0answers
115 views

Difference in performance between ARM and “traditional” CPU on Raspberry PI example

I'm not sure if my question fits here, but I will give it a try since it does not seem to fit any other StackExcnhange. New day ARM processors are slower (if you look at MHz - 500MHz in RPi case). ...
0
votes
0answers
223 views

Installing preinstalled Ubuntu 11 armel onto PandaBoard

I'm trying to install a preinstalled Ubuntu 11 armel into PandaBoard. I downloaded the raw image from: ...
0
votes
0answers
305 views

Create access point (uap0) on debian 7(arm) - not found?

I'm working with a fanless PC that has an ARM chipset, 2 eth plugs and a wifi card (among other things). If I install debian 6 on it all three network interfaces are available at boot time. Today I ...
0
votes
0answers
83 views

Is a sitara ARM powerful enough to decode and play mpeg4

I have the question: "Is a sitara ARM running embedded linux is powerful enough to decode and play mpeg4 format files (using vlc or other software)?" posed to me by the boss... but I am not really ...