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

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2
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0answers
37 views

Linux kernel hangs at “Starting kernel …”

I have enabled Secure Boot on an embedded device successfully. The problem is that when I am booting in this mode the process seems to get stuck right after the line: Starting kernel ... once U-boot ...
3
votes
3answers
662 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 ...
1
vote
1answer
453 views

Why can't I properly locate Debian 8.1 on my BeagleBone Black?

I was using the BBB (BeagleBone Black) for a while now but with Arch Linux. Now that Debian also supports systemd I decided to give it a try. So I followed this guide and used the eMMC flasher image ...
0
votes
0answers
17 views

mmap() fails while devmem2 succeeds (C/CPP) [Allwinner A20] [migrated]

I am trying to access the hardware registers of an A20 SOM by mmapping them to userspace. In this case, target is the PIO, listed at physical address 0x01C20800. The official Olimex Debian7(wheezy) ...
0
votes
1answer
817 views

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 ...
0
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0answers
15 views

Raspberry pi. Set up WiFi netctl profile with No keyboard and No wired lan connection

I have a raspberry pi 3 and a hdmi tv set up. I have NO keyboard and NO wired lan access. I want to set up a WIFI profile with netctl. I want to create a static IP for the pi. I have another laptop ...
0
votes
0answers
28 views

cannot print with Canon LBP 6020 on Arm64 board RaspberryPi3 / Pine64 Debian

I got the following problem. I cannot set my printer to work with either of the boards. As the architecture is arm64 there are no drivers for it for the printer model. I added 32bit architecture by : ...
2
votes
1answer
197 views

Meaning of an ampersand prefix in a device tree

I am looking at a DTS file which tries to specify different nodes, but interestingly I find a few nodes having different style of nomenclature. / { model = "TI AM335x BeagleBone Black"; ...
2
votes
1answer
42 views

error: conflicting types when cross compiling openssh for armv5tel

When cross compiling openssh-7.2p2 on wheezy for armv5tel, I get the following errors. Before this, I have successfully cross compiled and installed zlib-1.2.8 and openssl-1.0.2h. For openssl, I used ...
10
votes
5answers
24k views

How to use /dev/fb0 as a console from userspace, or output text to it

So I have a Palm Pre (original P100EWW) model that I enabled developer mode on, and installed a Debian Squeeze chroot. Works great. I have plans to use this for ANYTHING (bittorrent peer, web server)...
3
votes
1answer
41 views

Update kernel on ARM device

How can I update the kernel of my ARM device? The device I have been using is A20-Olinuxino LIME board, withDebian GNU/Linux 7.6 (wheezy) image booted from NAND. The uname -a command displays 3.4.102....
1
vote
0answers
44 views

Can not reach internet through ethernet interface

Working with Debian 7.10, and 'wicd' network manager, when ethernet cable is disconnected and reconnected again, network no longer works until device is rebooted (ethernet interface [eth0] is not able ...
0
votes
1answer
32 views

qemu infinite loop on boot

I'm currently trying to set up a virtual machine emulating a ARMv7 Cortex-A8 on a x64 host running qemu. I've got a zImage which was built with the realview defconfig and a rootfs in cpio format. ...
1
vote
0answers
153 views

Installing Mali Drivers? (ArchLinuxARM)

I've recently gotten hold of an ARM-based Chromebook C100P. After successfully installing ArchLinuxARM, I've struggled to enable the Mali-T764 GPU. The recommended drivers for the device, (xf86-video-...
0
votes
0answers
25 views

I'm trying to run RStudio Server on my ARM Chromebook, but it keeps saying it's unable to connect to the server

I run Debian Jessie via chroot, and I installed R 3.2.5 through its backports. R works perfectly fine, and it seems that RStudio Server installed well too, but I'm not sure why this keeps popping up. ...
0
votes
1answer
1k 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 gdb-arm-...
0
votes
1answer
25 views

cross comile net snmp for arm processor

i just want to cross compile net snmp for arm cortex a9 (cyclone v soc altera). can anybody tell me how to proceed step by step?in custum board my ram is 4 gb and sd card 8 gb .i want to compile full ...
2
votes
1answer
18 views

Need to download package and all dependancies for armhf debian [duplicate]

So, I need to download a package and all its dependencies for armhf Debian. The thing is that I am stuck on an Ubuntu machine. How can I download all of this stuff?
5
votes
1answer
55 views

How to uniquely identify ARM devices without relying on MAC-address?

I've a bunch of ARM devices. They don't differ in hardware. Can I somehow obtain a unique ID for each device without using MAC-address? This ID must stay the same even if I reflash the NAND with a new ...
18
votes
2answers
29k views

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 ...
0
votes
0answers
15 views

How to connect ARM6410 to WPA wireless network without using wpa_supplicant library

How to connect FriendlyARM6410 to wireless network with WPA security type using Linux commands without using wpa_supplicant library??
0
votes
0answers
33 views

dmesg filling up with error message that are just a hex number

I've got a Cubietruck running debian 8.4, and it seems to be running OK, but just happened to do a dmesg, and found that I was getting a lot of message consisting of just a hex number... [ 3353....
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0answers
34 views

Is it correct to test an Raspian Linux ARMv6 emulator as sudo user?

I have a simple armV6 instruction set C++ program compiled with an ARMV7 compatible arm-Linux-gnueabi-g++ compiler, version 5.3.1, with -march=armv6 and -fPIC on Ubuntu Linux 16.04. After I use PSCP ...
109
votes
4answers
62k views

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 ...
1
vote
0answers
16 views

Arch: Cannot open kernel arbiter, no multicard support

I'm currently using Arch Linux on a Chrombook Flip C100P in conjunction with the xf86-video-armsoc driver. When printing the /dev/dri folder on my device as root, it detects the following: card0 ...
1
vote
0answers
42 views

Changing YUM/DNF basearch on Raspberry Pi image?

I've followed the installation instructions for Fedora on a Raspberry Pi 2. I downloaded the MATE Desktop image here and verified it with its signature available here, and then copied it over onto my ...
4
votes
1answer
36 views

Turning off console output?

I have a Debian on beaglebone without an X server and I need to get rid of any console output to the framebuffer device. I was trying few things I found, like console=null or kernel argument vga=0, ...
1
vote
0answers
53 views

Building kernel for BeagleBone Black lead me hdmi problems

I have successfully followed CLFS book to build RPi and BBB embedded systems. In RPi case the bootloader did not give me problems with device tree. Some years ago I would have to patch Torvalds' ...
1
vote
0answers
70 views

Native Linux installation on Allwinner tablet

I would like to know if it is possible to do a clean install (I mean a native install, just like on a computer) of a Linux distro on an Allwinner a33-based tablet (or more generally speaking on an ...
1
vote
1answer
33 views

How to force low ssh-encryption

I regulary backup my computer to my BananaPi with a Hard Disk connected. The Problem is, that the transfer speed over ssh is pretty low because the Pi can't handle AES 256 encryption quick enough. ...
2
votes
0answers
97 views

How to compile custom kernel for Raspberry Pi

I'm trying to run the Ubuntu 14 Raspberry Pi ARM image in QEMU, and for that I need the kernel that matches the version used in the image. If I mount the image and run file vmlinuz I see: vmlinuz: ...
1
vote
1answer
139 views

How to run a Raspiban in QEMU

How do you run a standard Raspbian image in QEMU? I'm following the instructions in this wiki, but the first step is failing. I downloaded the kernal kernel-qemu-4.1.13-jessie and the Raspbian ...
1
vote
0answers
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 2....
4
votes
1answer
10k 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 cpu0,cpu1,cpu2,...
2
votes
1answer
55 views

resize2fs: Not enough reserved gdt blocks for resizing

I'm trying to resize rootfs partion from 250Gb to 1000Gb. # sudo resize2fs /dev/sda1 resize2fs 1.42.9 (4-Feb-2014) Filesystem at /dev/sda1 is mounted on /; on-line resizing required old_desc_blocks = ...
1
vote
1answer
94 views

installing sysdig in ARM / Armbian Jessie - module compiled in wrong kernel version

I have already made a couple of tries in the last few days trying to install and run sysdig in Armbian 5.0/Debian Jessie 8.0, in my Lamobo R1. After installing it with: apt-get install -t jessie-...
0
votes
0answers
64 views

Cross compilation of gcc on ARM

I am getting the following error during cross compilation of gcc on ARM: TLS -o _udivsi3.o -MT _udivsi3.o -MD -MP -MF _udivsi3.dep -DL_udivsi3 -xassembler-with-cpp \ -c ../.././libgcc/../gcc/config/...
1
vote
0answers
61 views

qemu-system-arm problems adding second NIC/bridge

I am running Qemu under a host with two bridge interfaces and would simply like to bridge them to guest NICs. All of this works fine when bridging one NIC either by creating a bridge manually or using ...
0
votes
1answer
80 views

Single SD card install for Debian Jessie on Armv7 architecture?

I'm pretty new to this whole deal. I have an Odroid C1. I recently created a home-server from an old i386 machine I had lying around. I'm starting to get into CLI OS and working with machines as ...
0
votes
0answers
24 views

Valgrind to execute binary of MIPS 32bit , bigendian, on linux ARM32

I'm running valgrind on Linux, 32bit ARM processor, Little Endian, I want to run binary for 32bit MIPS, Big endian ? In what platform I must compile Valgrind
3
votes
1answer
271 views

Implement Java/JavaFX on ARM

I am working on ARM Linux. I have found this link that says that JavaFX could work on ARM. I am confused about Embedded Java SE and JavaFx ARM. Do I need to setup a JVM for those or not? I have ...
1
vote
1answer
44 views

Cannot compile a linux kernel for an ARM board [closed]

I am trying to compile a linux kernel (2.6.32.70) for an ARM board (versatilepb), it is my first steps in embedded linux. At the end of the compilation, two compressed kernel images are generated ...
0
votes
0answers
20 views

install arm gcc on Wheezy [duplicate]

I'm trying to build an application for Debian 8 on ARM arch on a virtualmachine running Debian 7 using cross-compiler. But when I try to run sudo apt-get install gcc-arm-linux-gnueabihf I get an ...
2
votes
1answer
605 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 ...
1
vote
0answers
46 views

Wireless USB card not detected on Kali (armel) running on Android

I have a "TL-WN22N" that i want to use it with my Xiaomi Mi4i running Kali-rolling that was installed using "LinuxDeploy", What i want to do is to connect my wireless card to it, But obviously nothing ...
0
votes
0answers
54 views

How to run Janus WebRTC Gateway on Beaglebone Black?

I installed successfully Janus WebRTC Gateway ( https://github.com/meetecho/janus-gateway) in /usr/local/lib and I re-configure to start Janus. But when I do sudo janus, I get this error: /* debian@...
2
votes
1answer
102 views

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 ...
0
votes
0answers
61 views

Building Mali kernel modules on mainline Linux

Suppose we have an ARM board running a mainline Linux kernel. The system works otherwise, but has no GPU acceleration available. Is there something that would prevent me from building and modprobing ...
0
votes
1answer
95 views

Unable to boot a kvm guest via qemu/kvm-tools

I am using ARM Foundation Model to emulate a arm-v8 environment(I need both TrustZone and KVM), and I run a kvm-enabled linux on it as the Host OS, the kernel version is 3.14.0(I clone it following ...
5
votes
1answer
208 views

Is it possible to get the information for a device tree using /sys of a running kernel?

Commonly for arm systems, device trees supply hardware information to the kernel (Linux). These device trees exist as dts (device tree source) files that are compiled and loaded to the kernel. Problem ...