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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How to PXE boot of Raspberry PI along with other computers?

I have a LAN with PXE boot configured. Any PC computer if configured, presents me with PXE DHCP information, then netboots and presents me with pxelinux menu. If I remove SD card from my Raspberry PI ...
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cannot cross-compile busybox for arm

I've configured my busybox in menuconfig and made it as a static binary (no shared libs) + forced no MMU build. I'm using the prebuilt arm cross compiler and when I enter the below command, it gave me ...
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How to build Linux on ARM devices?

I apologize if this is the incorrect place to ask this but I am struggling to find where I should post this. I am a long time Linux fanboy, its all I use. For some time I have been putting together OS'...
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How to boot Raspberry Pi IMG file on QEMU?

I have an IMG file, which is Raspberry Pi image. Can I boot it in Qemu on windows or linux? I am confused by examples, which say I need not only IMG file, but also a "kernel" file. Can I ...
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systemd-modules-load cannot find modules

Given a kernel module, my-module.ko, I have taken the following steps to try and automatically load the module at boot: cp my-module.ko /lib/modules/$(uname -r)/my-module.ko echo my-module >> /...
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multiple target patterns” Makefile error in Ubuntu 16.04

I am trying to build the linux kernel for arm based i.mx6 board. I have following these steps for building linux kernel 1.export ARCH=arm 2.export CROSS_COMPILE=/media/cascademic-101/D:/alam/...
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can not download gnome-core dependencies for arm64 machine

I want to download gnome-core package dependencies to install on a debian 10 arm-64 device ,so I used this command : sudo apt-cache depends -i gnome-core:arm64 | awk '/Depends:/ {print $2}' | xargs ...
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my Raspbverry Pi is continously interfacing with the SD Card

My Raspberry Pi has a 128GB SD Card with Arch ARM and Apache NextCloud installed on it and it seemingly non-stop interfaces with the SD Card. With iotop I found out that mysqld is seemingly the ...
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Cross compiling Debian packages to armhf with LLVM and GCC

For my research work, I need to compile different Debian packages for armhf (ARMv7) architecture using GCC and Clang i.e. I need the exact same package to compiled with the two compilers. I had been ...
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1answer
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Unable to locate DEBIAN ARMv8 32-bit packages from Internet

I have been trying to locate ARMv8 32bit package repository since yesterday to download packages that I would make use to carry out some analysis with radare. I had found repositories from archlinux ...
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Centos 8 armhfp(rpi3) switched rootfs to luks->lvm->ext4 does not boot, device-mapper: table: 253:0: crypt: unknown target type

need your commbined knowledge to tackle a issue i have with moving the rootfs of Centos 8 to lvm on luks So when flashing the centos8 image (http://isoredirect.centos.org/altarch/8/isos/armhfp/) the ...
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Find out the cause for continous disk io on raspberry pi on arch

I have a raspberry pi (3B+) that's continously writing/reading from the SD card with no obvious reason (I see the green LED continously flashing). How do I troubleshoot and resolve this? I don't want ...
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What USB Wifi dongle combatible with i.MX6 Pico ITX

I have this single board computer i.MX6 Pico ITX: https://www.iwavesystems.com/product/single-board-computer/i-mx6-pico-itx-sbc/i-mx6-pico-itx-sbc.html It's armv7l It has 3.10.17-80739-g33597e3-dirty ...
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PulseAudio Cross Compilation for ARM | HSP/HFP Profile not working in Pulse Audio

I wants to cross compile pulseaudio for ARM. Is there any zip files which contains all the lib, headers needed for ARM? Or anyone successfully cross compiled for ARM, can you zip the files in CFLAGS, ...
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How to install grub bootloader as second stage bootloader

As you know grub bootloader supports arm architecture on recent versions,but it demands EFI ,thing that is unavaible on most arm base single board computers (SBCs) and they use U-boot instead of EFI ...
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g_mass_storage select usb port

I have nanopi neo air board with armbian buster image on it. I want to setup mass_storage on usb2 port. I successfully setup g_mass_storage for serving mass_storage device, but it work on default usb ...
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/usr/bin/aarch64-linux-gnu-as: invalid option — 'B'

I am trying to cross compile this code with aarch64 compiler and I get this error: /usr/bin/aarch64-linux-gnu-as: invalid option -- 'B' make[2]: *** [third_party/boringssl-with-bazel/CMakeFiles/crypto....
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Booting Arch Linux arm on an Android device

I Really think about booting a linux image (WITHOUT GUI Just terminal) in an android device so there are a lot of linux arm images starting by debian , arch , raspberry pi , etc ... Is that possible ...
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does Barebox bootloader works on cortex m4?

I want to boot uCLinux on the stm32f4 but I don't have enough knowledge about Barebox. is it possible to port Barebox for cortex m4? if yes, how?
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how to virtualize an oracle linux 8 for arm

I want to try Oracle Linux 8 for arm on a virtual machine before running it on my raspberry pi 4 B. from my research I found it's not possible to do it on a windows 10 for some reason even using ...
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1answer
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Crosscompiling for ARM926EJ-s device with hardware float operations support

I need to cross compile c++ code for an embedded device with the specs shown below with hardware float operations support. Cross compiling from Ubuntu 20.04 without hardware float support is easy, i ...
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How can I get the current CPU frequency of an ARM processor on Ubuntu?

How can I get the current CPU frequency of an ARM processor on Ubuntu? Neither /proc/cpuinfo nor /sys/devices/system/cpu/cpu*/cpufreq helps. In fact, there is no /sys/devices/system/cpu/cpu*/cpufreq ...
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Linux initializing the Memory Management Unit

When Embedded Linux gets compiled for a particular MCU with an MMU, for example for an ARM-cortex A8. During initialization, the kernel must set up the MMU with page tables etc. To set up the MMU, I ...
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Why does my USB 2.0 Harddrive unmount after I think one Day

Hello I want to know why my USB 2.0 2.5" Harddrive unmounts After I think one day. It has a Y USB Cable and is connected to a Odroid C2 running Diet Pi. One Cable is connected to the USB Port on the ...
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Emulation performace : x86 vs ARM [closed]

Some time ago I ran an ARM android image inside the android AVD in my x86 system and it was too slow to even move the cursor smoothly. Since it needs to actually translate ARM instructions to x86 on ...
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Error when trying to install local package with pkcon

I've a Pinebook Pro which I use to learn Linux. I wish to install Open Store so I installed PackageKit $ sudo apt install packagekit Then downloaded the armhf package from this page and ran $ ...
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How to enable speakers on armv7 Chromebook?

I am having difficulty figuring out how to enable audio through the built-in speakers on my armv7 Chromebook (which is running Parabola GNU/Linux, based on Arch). The speakers seem to work fine with ...
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How to specify default graphics device for X11 on ARM system?

I am running Parabola GNU/Linux (Arch variant) on an armv7 Chromebook. I am trying to get X11 to use the integrated Mali GPU; however, I am having difficulties. /dev/dri lists two graphics cards: ...
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How to reduce screen tearing with X11 using ARM Mali GPU?

I am running Parabola GNU/Linux (based on Arch) on a Chromebook C201 (armv7). The device has an ARM Mali T764 GPU, which I am running with the free panfrost driver. Using Mate with X11, I am seeing ...
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Is it possible to run x86 executable on ARM?

I'm trying to install Navicat which is an x86-64 binary onto my aarch64 machine, which results in "cannot execute binary file: Exec format error" Here's the result of running file on the executable: ...
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pipeline(“|”)-key alternative

I don't have a |-key. is there an alternative to it? say, can I execute an equivalent to dmesg | less if I can't type |? System # uname -a Linux devuan-droid4 5.4.0 #1 SMP PREEMPT Sun Jan 12 19:...
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AXP223 (AXP20X) RSB (Reduced Serial Bus) Read/Write

I am trying to figure out how to write to the registers on the AXP223 via the Reduced Serial Bus (RSB) via the linux command line. How do I do this? Thank you!
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How to install Fedora server 31 or ubuntu server 19.10 on orange pi 3?

I have a Orange pi 3, I have tried many ways to install Fedora server 31 (aarch64 version ) on my board but all of them were unsuccessful: I wrote Fedora-Server-dvd-aarch64-31-1.9_2.iso on a TF card ...
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Unable to install Linux_Headers for my distro armv71

I have been trying to get package linux headers for my "orange pi pc" computer unable to install them using apt get (tried everything you can think of directly) the goal is to install support for 0bda:...
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polling for GPIO in user space

I wrote a USB driver a few months ago for an ARM STM32 board that provides access to the pins,on Linux. I can set or reset the pins on my board using sysfs interface. In the Interrupt section, the ...
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How can I install grub2 on Orange PI 3?

How can I install grub2 on orange pi3 ? Due to undisclosed reasons I can't connect my board to internet. Therefore, I can not use apt-get or anything like that to install the grub2 In What’s Orange ...
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Not able to kill a process started in a script which is running on a device which is based on Ubuntu

I am trying to kill or interrupt a script that is running on an arm device that is based on Ubuntu. The script starts a program that has an infinite while loop after polling for an external trigger ...
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Building debian packages for ARM on iPad mini

I am running an 32bit ARM iPad mini 1st gen with iOS 9.3.6 and I decided to put X11 on it, for fun. The main trouble is, no repositories from Debian. apt-get update just gives me a 404 for ftp.ru....
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How do I install OpenBSD/ARM in qemu?

Could you share a specific command line & which file I need to download to make this work? If you have a link to an OpenBSD/ARM image that is already installed (and a commandline to run it), that ...
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Disabling CPU core in u-boot DTS

I am trying to 'convince' a FriendlyARM ZeroPi (Allwinner H3, 4 x Cortex-A7) that it only has 3 physical cores in the SoC, and there is only 256M of RAM (instead of the 512 actually on board). I have ...
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DHCP connection times out during Debian Buster [armhf] Network Install in VirtualBox on Mac OSX

I'm trying to do a netins of Debian Buster (armhf version) on a virtual machine with a Mac OSX host. I'm using a bridged adapter on en0 (Ethernet). At boot time, the link-up works on net0 but hangs ...
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How to check if my ARM64 board supports 32 bit binary compilation? (error: unrecognized command line option ‘-m32’)

I have a ARM virtual machine on AWS with Ubuntu18.04 installed. dpkg & uname commands show this, $ dpkg --print-architecture arm64 $ uname -m aarch64 I've got a third-party precompiled static ...
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Where to find (or how to build) rpcapd for my ARM 7 based linux FreshTomato router

I had previously found a prebuilt binary for my older MIPS based router running Linux/TomatoUSB, which worked great. Now of course that binary won't work on my newer ARM based router (Asus AC3200). ...
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Support for armv7 32-bit binaries on an aarch64 Linux kernel

I'm trying to determine whether a Linux aarch64 kernel can run 32-bit armv7 binaries. Various threads I've found ([1], [2], [3]) indicate that this should be possible using CONFIG_COMPAT, but this ...
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Linux kernel 5.3.9 with CONFIG_KPROBES option fails

I am rebuilding the Linux kernel, version 5.3.9, for my board Cubieboard 2 (Allwinner A20 SoC Armbian disty). When I enable the option CONFIG_KPROBES and rebuild the kernel, I get an exception ("Oops")...
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General question: Memory map vs Device Tree

I have a factory card (Reflex Achilles, target) with Arria 10 SoC (Arm) on FPGA. It has build-in U-boot and Linux (4.1.22-ltsi) on eMMC flash. No FPGA configuration no Device trees of U-boot/Linux ...
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Correct way to add /lib/ld-linux.so.3 in Debian

My current setup is quite exotic, and I could use some clarification. I am running on a Pinebook Pro, powered by a Quad Cortex-A53, 64-bit CPU. The OS is a 64-bit version of Debian: $ uname -a Linux ...
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Is it possible to Build and Run Linux on ARM Cortex-R and ARM Cortex-M devices and How?

Both these Profiles belong to ARMv7.As per Technical Reference Manual of both, they are not having Memory Management Unit (MMU) & they dont have ARM Instruction Set.They run on Thumb-1 & Thumb-...
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how can i configure usb?

I want to configure USB in NUCLEO-H743zi board . I have used QUBE-MX and I have chosen CDC class (communication device class) mode for receiving and sending data to PC . when I plug in the USB port ...
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How to enable snapshot boot in Linux/Android?

I want to reduced boot time of linux/android, I read many article, its only possible with snapshot/quickboot in linux/android. Please let me know how to enable snapshot boot in linux/android ?

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