Questions tagged [arm]

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

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374 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 ...
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1answer
398 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 ...
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1answer
156 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, ...
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325 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' ...
2
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1answer
824 views

Native Linux installation on Allwinner tablet

Is it 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 Android tablet). And if yes,...
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1answer
141 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. ...
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488 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: ...
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1answer
3k 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 ...
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1answer
1k 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 = ...
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1answer
865 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-...
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909 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 ...
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2k 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-...
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1answer
522 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 ...
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282 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 ...
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1answer
963 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 ...
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2answers
31k 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 ...
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1answer
667 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 ...
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1answer
272 views

Linux Mint + FriendlyARM 2440: Cannot install and execute cross-compiler and toolschain (arm-linux-gcc-4.4.3.tar.gz)

I have installed Linux Mint 17 on my 32-bit laptop and bought a FriendlyARM Mini2440 development board to do some basic programming and learn concepts of Linux. However, I couldn't find any ...
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1answer
181 views

Cannot configure wlan0 with static ip?

Debian Wheezy on ARM: wlan0 works with DHCP but doesn't work with static IP. This is my /etc/network/interfaces auto lo wlan0 iface lo inet loopback iface wlan0 inet static wpa-ssid "mySSID" ...
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1answer
274 views

How to debug a bash script in a qemu-arm chroot

I'm running a debian debootstrap script which creates an arm system. However, the script fails at some point and the error message does not really help. So I'll have to do some more debugging which is ...
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38 views

Does ubuntu touch / tizen offer fullscale pc level command line programs and options?

Android doesn't include full scale PC like command line experience. None of the GNU/Linux command line packages directly run on Android. Few have been ported but vast majority are unsupported. ...
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1answer
7k views

Understanding the output of /proc/cpuinfo

I have a LeMaker HiKey development board. I purchased it for testing a couple of libraries on ARM64 cpu architecture. The board provides two Cortex-A53 processors, provides eight cores, and uses ...
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2answers
1k views

What does armel stand for?

The ABI armhf stand for ARM Hard-Float but what is el an abbreviation for in armel?
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2answers
3k views

Difference between size of binaries - x86_64 vs ARM

When doing a binary diff between compiled Linux kernels for x86_64, the difference from version to version is relatively large (much more than 25%). The differences in size between the source archives,...
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1answer
740 views

How to give a custom name to a serial device on connection?

I am working on ROS under Ubuntu 14.04 on an Odroid XU3 (ARM dev board). I connect two USB devices to my dev board which are recognized as ttyACM0 and ttyACM1 according to the time when they are ...
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1answer
1k views

Cannot install packages using dnf in Fedora 22 on ARM platform

I have installed Fedora 22 (using rootfs) on an Android 5.0 device with ARMv7 processor using GNURoot app. This is working OK. All commands in the rootfs execute OK. However, I have a problem with dnf....
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309 views

Process scheduling and core allocation on big.LITTLE CPUs

Recent ARM chips, like the Qualcomm Snapdragon 810, seem to be using a hybrid architecture called "big.LITTLE" with cores of different architectures and speeds combined into one CPU. On a Linux (or ...
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1answer
801 views

Install Java 8 on ARM Nas (Debian Wheezy)

I need Java 8 on my NAS (Arm7, 32bits, Debian Wheezy) for fim software. uname -a Linux ReadyNAS 3.0.101.RN_ARM.3 #1 Mon Dec 15 23:39:16 PST 2014 armv7l GNU/Linux I tried the packages way : sh -c ...
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1answer
748 views

Porting Linux on LPC2148 board

Till now I was working with Raspberry pi, beaglebone etc. So, I am looking to do something new. So, I decide to port Linux on my LPC2148 board. But I am unable to find any tutorial regarding linux ...
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1answer
7k views

Cannot run test program while cross compiling - cross compiling Firebird

I've tried to compile firebird server for arm linux, with cross-compiler (it's choosen - it's working properly). When using: ./autogen.sh --host=arm-linux-gnu I get this error: checking for ...
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2answers
1k views

Cross-Compiling kernel can't find gcc

I am cross compiling the Raspbian kernel since it will take about 12 hours for the Pi to do (Raspberry Pi 1). I have the build tools for ARM and the kernel in two separate folders in /home/gray/...
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3answers
5k views

Why can't the kernel run init?

I've downloaded the Raspbian image on this page. I'm trying to compile a kernel that can be used to boot the image within qemu. I downloaded the Linux kernel source from kernel.org and ran: make ...
2
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1answer
2k views

Cross compiling ARM static lib with GCC for Mac iOS xCode projects

I'm cross compiling ARM targeted toy example static lib for the usage in Mac iOS xCode projects. In the lib there are only 2 files atoy.c and atoy.h with simple function taking 2 int arguments and ...
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1answer
855 views

Why does typing “./” in sh produce “permission denied”?

Perfectly incidentally, I typed ./ into a sh shell today running ARM linux and it produced "permission denied" as an error, as opposed to "Is a directory" which is the usual error. ARM Linux in sh: ...
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0answers
106 views

my gsm modem echo my command on mini2440

I have mini2440 and GSM modem that they connected to each other with USB serial port (ttyUSB0). this is my code in c++ to send AT: #include <QCoreApplication> #include <stdio.h> /* ...
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0answers
70 views

Why is there no kernel for the armhf architecture available in the Debian repositories?

I tried searching packages.debian.org for "linux-image" in the stable distribution for the armhf architecture. See here for my exact query. There are no results. Is Linux not included in Debian for ...
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1answer
5k views

How to redirect linker share library default path /lib64/libc.so.6, /lib64/libc.so.6: version `GLIBC_2.14' not found

My linux machine is x86_64-redhat-linux. However I am using another arm tool chain aarch64-linux-gnu-gcc on this machine to build(I don't need to run what I build on this machine, just build, so it ...
2
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1answer
2k views

how to use grub-uboot

On an ARM-based device, I'd like to chain-load uboot->GRUB->Linux I see there is a Debian package that seems to be made for that, however I can't find no documentation whatsoever how to use it (ie. ...
2
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2answers
138 views

porting kernel config to different architecture

I have a good Kernel .config setup for x86 that I'm happy with. Now I have a few different ARM-based devices (some without video output) that all come with their default pre-configured settings. I'd ...
6
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1answer
4k views

Accessing Memory Mapped I/O is slow

I have a Terasic-SoCKIT(fpga & arm cortex a9) and I have Linux running on the HPS. I'm trying to access the memory mapped I/O, wrote a simple character driver with functions "request_mem_region" ...
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1answer
3k views

Why does installing a libc6 for a different arch not work for armhf?

I am trying to get cross compilation working, on a 64 bit system that already has i386 enabled: $ dpkg --print-architecture amd64 $ dpkg --print-foreign-architectures i386 armhf Only jessie ...
2
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1answer
642 views

CLFS for ARMv7 neon

I am following CLFS book (GIT-20140613-arm version), and I have a issue when building GCC with armv7 and neon combination. Target info here. My host is a clean Debian 8 with gawk, build-essential, ...
2
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1answer
110 views

Pacman add-repo error, is not a package file

I'm using archlinuxarm, armv7h architecture I'm trying to use add-repo but it gives me the following error: $ repo-add test.db.tar.gz dep/python2-numpy-1.9.2-2-armv7h.pkg.tar.xz ==> ERROR: 'dep/...
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1answer
896 views

Tool to trace library calls in Linux/ARM

I am searching for a tool that allows to trace calls to functions in shared libraries in Linux/ARM. Basically, I want to be able to specify a command line and let this tool produce a record of called ...
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0answers
262 views

Move/Change boot file system

I have a webcam Sunluxy 720p and I need to adapt the configuration to my needs. The / filesystem is read-only. I have access to u-boot via UART/USB cable. I can also connect via telnet as root. ...
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0answers
1k views

802.11ac USB dongle support in Linux

(cross-post from Network Engineering community) Is it reasonable to expect to be able to get a 802.11ac dual-band USB wireless dongle to work correctly on Debian (wheezy) on an ARM platform (using ...
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2answers
436 views

compling kernels for armhf

I am trying to compile my own kernel but I am having some issues with understanding. I am using the latest kernel available from kernel.org. My issue is at current: I have zero clue on what options ...
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1answer
578 views

U-Boot and armhf installation

I am currently trying to install ANY linux distro onto an external HD. My goal is to boot using the external device, but my problem at the moment is that I am unable to achieve this. I try to boot ...
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0answers
133 views

Using two memory controllers with SPARSE_MEM on AT91SAM9G45

There are lot posts on this problem in google, but I have tried all the solutions but they are not working for me, so I'm posting here… I am working with AT91BootStarp 3.5.9 with linux kernel 3.6.9. ...
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2answers
3k views

member ../lib/lk/liblk.a(debugfs.o) in archive is not an object, error while cross compiling perf

i get the following error when i try to cross compile perf tool for arm ../lib/lk/liblk.a: member ../lib/lk/liblk.a(debugfs.o) in archive is not an object what i have done ? cd stable-kernel/tools/...

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