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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20 views

How should I fix a failed kexec that produces “CPUs are stuck in the kernel” in dmesg?

I have built both a kernel from the Raspberry Pi sources and kexec-tools for arm64, and booted my kernel on a Raspberry Pi 4. When I attempt to run kexec, it produces no output, exits with a nonzero ...
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ERROR: Virtual Raspbian on Qemu in Ubuntu

I am trying to emulate Raspberry-pi/Raspbian with QEMU on my linux subsystem. I followed this link and did the following steps $ mkdir ~/qemu_vms/ Download/copy Raspbian Wheezy to ~/qemu_vms/ Download ...
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Tiling Window manager performance issues i3wm. Is this wm specific or the environment?

I'm doing some development on a Raspberry Pi 4 with 4gb of ram. After about a week of using the default WM, lxde/openbox, I decided a really needed a tiling capability. So much better for ...
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Convert jpg to bmp in an ARM Cortex M4 MCU

I'm currently working in a project that involves the use of an ARM cortex M4 MCU, specifically STM32F429, which has an embedded LCD controller which uses the bmp image format to show the images in the ...
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Permissions problems configuring a NFS server and client between Ubuntu 18.04 x64 and Ubuntu 18.04 Arm64

Because I have a little space on the sd card of my jetson nano,I have installed the nfs server on Ubuntu 18.04 x64 bit and the nfs common client on ubuntu 18.04 for arm64 on the jetson nano. I have ...
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build tor-browser on Linux aarch64 (Raspberry Pi 4)

I am trying to build torbrowser on a Linux (kali) machine running on Raspberry Pi4 (ARMv8=aarch64) but cannot figure out how. I cannot use normal tor (the one installed with sudo apt install tor or ...
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chroot error : “I: arm64 cannot be executed, falling back to qemu-user”

I set up a arm64 chroot named via this command: sudo mmdebstrap --architectures=arm64 buster myArm64Machine entered said chroot with command below: sudo chroot gnome-core-arm64 myArm64Machine one of ...
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U-Boot, Boot and DTB

Im slightly confused how things are working UBoot Boot and DTS. I have SBC Mecool VS RK3399 and producer does not support it at all I wanted still make use of it. Fortunately I have found that ...
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chroot debootstrap problem : possibly the package systemd is at fault

I would like to run X86 applications on my Jetson Nano using qemu and debootstrap on ubuntu 18.04. Actually I'm following this tutorial : https://www.youtube.com/watch?v=dzAoaFOJy7U&t=338s&...
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How to cross compile QEMU for armhf/arm64 on x86_64

I'm trying to cross compile QEMU for armhf for my Raspberry pi (because when compiling on the pi, checkinstall fails to package it to a deb, see this). I searched a lot but didn't find anything that ...
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chroot debootstrap problem : no such file or directory

I would like to run X86 applications on my Jetson Nano using qemu and debootstrap on ubuntu 18.04. Actually I'm following this tutorial : https://www.youtube.com/watch?v=dzAoaFOJy7U&t=338s&...
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How to make work the i686 version of ubuntu 18.04 (emulated with exagear) on the jetson nano

Someone of you still use and or remember the "old" exagear tool ? it has discontinued on 2019. I’ve installed it on my jetson nano and I have also activated an old license that I’d bought ...
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Very long kernel build time

I have a small problem related to kernel build time. Sorry for a bit messy writing. I'm very poor at it. :D We (my team) are using qemu for rebuilding Linux kernel for our product. We all share ...
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Application not using full display area running X11 without window manager

I am trying to run a piece of software on an arm SoC. I have x11 running and I launch manually with xterm -geometry 800x480-0+0 while this opens up a xterm that uses the entire panel when I run the ...
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How to virtualize a board with QEMU?

I've got an embedded board based on ARMv7 cpu. I'd like to virtualize its rootfs with qemu, so I could work without hardware. I made an image of SD card present on board (these are the partitions): ...
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Error while cross-compiling chromium for ARM from x86_64

I am trying to build chromium from source code following instructions at https://chromium.googlesource.com/chromium/src/+/master/docs/linux/build_instructions.md I have successfully built and tested ...
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476 views

How to run 32-bit (armhf) binaries on 64-bit (arm64) Debian OS on Raspberry Pi?

Original Problem I have aarch64/arm64 version of Debian on a Raspberry Pi 3 B+ (2017) or Pi 4 (using an image from here). Now I want to run 32-bit (armhf/armv7) versions of some applications/libraries ...
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U-Boot Compile Error on Ubuntu 20.04.1 LTS

I've been following this tutorial on how to set-up a basic boot loader configuration on an embedded system. I've been stuck on the U-boot part owing to not being able to build it. Downloading U-boot ...
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Start armv7 container on arm64 with lxc / lxd

I installed Ubuntu 20.04 on my Raspberry PI, which has an arm64v8 architecture (but could be on any other debian arm distribution / hardware). Currently I compile a program for several arm ...
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Disabled cache in Kernel config - How do I verify?

I want to boot Linux(Ubuntu) on the Zynq board by disabling both L1 and L2 caches, For that, I have disabled the cache in Zynq 7000 by below steps, I have noticed that boot time is now 10 times slower ...
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Why is installing a custom OS on an android phone that difficult?

From what I understand there should not be much of a problem installing the (arm supporting) Linux distribution of your choice on an Android device, once the bootloader is unlocked. My thought is ...
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Custom User-Agent String for Meta-WPE

I am running meta-wpe in my custom Yocto image. I am trying to access Netflix through the browser. I can easily open the Netflix login page but when I try to enter my username and password, it gives &...
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unable to initialize libusb: -99 under QEMU emulation of Raspberry PI

I ran raspberry pi emulation with the following command $QEMU_EXE \ -kernel qemu-rpi-kernel/kernel-qemu-4.4.34-jessie \ -cpu arm1176 \ -m 256 \ -M versatilepb \ -append "root=/...
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Trying to install Mullvad VPN on Manjaro ARM Laptop via yay and getting rust backtrace error

Please help me solve this issue! I have already uninstalled rust but that did not solve the problem... Here is the code: error: failed to run custom build command for `libdbus-sys v0.2.1` Caused ...
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How to pass through USB device to guest VM? What are “hostaddr”, “hostport” etc? [duplicate]

I have the following on the host machine $ lsusb Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 003: ID 0403:6001 Future Technology Devices International, Ltd FT232 USB-...
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216 views

kernel cannot execute binaries (error -8)

my platform: SOC = STM32H743 (ARMv7E-M | Cortex-M7) Board = Waveshare CoreH7XXI Linux Kernel = 5.8.10 (stable 2020-09-17) initial defconfig file = stm32_defconfig rootfs = built using busybox | ...
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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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1answer
208 views

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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617 views

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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181 views

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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39 views

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
36 views

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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1answer
108 views

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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161 views

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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1answer
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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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