Questions tagged [x86]
The processor architecture of most PCs and servers, including the 386/486/Pentium/… (IA-32) 32-bit family and the amd64 64-bit family. Most x86 processors are made by Intel or AMD.
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Unable to access GPIOs on Intel Alder Lake CPU
I have a motherboard with an Alder Lake CPU on it (i9-12900E). I'm trying to access the GPIO pins on the motherboard using libgpiod.
After I boot linux, I have no /dev/gpiochipX entries. When I run ...
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How should I modify the Qt5 source code if I want to add back SSLv3 support in the libqt5network5 module?
I am on an Intel x86_64 CPU architecture platform running a Debian Bullseye Linux distro. On that platform runs a custom application. This application is a 32-bit software running as a systemd service ...
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x86 ACPI SSDT for I2C device
I'm trying to register I2C gpio expander (PCF8575) on Odroid H3+/Ubuntu 22.04 using ACPI SSDT so later I can easly assign each GPIO as led and use nice names for toggling pins. I have following SSDT ...
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Are Intel or AMD processors generally regarded as "better" for Linux [closed]
Are there any differences between Intel and AMD processors in how Linux runs? Specifically in terms of performance, optimizations, and driver support?
To simplify things, I am just talking about the ...
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Terminal syscalls in Assembly
I would like to write a chess engine for Linux.
It will be in pure X64 Assembly language without any C/C++ or any other high level languages external libraries.
It will run in full screen text/console/...
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1
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installed package "is not installable" on Xenial i386
(Originally asked on ask ubuntu but it's off-topic there since
Ubuntu 16.04 LTS has reached the end of it's standard support life; and is also off-topic on SO. Third's the charm?)
Part of installing a ...
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Problem with sudo dnf update on Fedora 38 (recently upgraded)
I've recently upgraded to Fedora 38 and when I try to sudo dnf update, I get the following error:
Problem: package libheif-freeworld-1.15.2-1.fc38.x86_64 requires libheif(x86-64) = 1.15.2, but none of ...
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1
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Why 'helix-23.03-aarch64.AppImage' [in debian on x86_64 in Macbook Pro] is giving 'Exec format error'?
It is on debian on x86_64
me@debian:~/bin$ chmod a+x helix-23.03-aarch64.AppImage
me@debian:~/bin$ ./helix-23.03-aarch64.AppImage
/tmp/.mount_helix-RyzFyw/AppRun: 4: exec: /tmp/.mount_helix-RyzFyw/usr/...
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How does mmio get routed to io devices?
I am trying to understand how IO devices are mapped into the 'regular' memory address space on modern x86 machines running Linux.
Some details which I am trying to make sense of are:
cat /proc/iomem ...
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5.4 Linux kernel on x86 panics with alignment exception when kexec'ed from 6.1 kernel
The boot chain here is UEFI -> 6.1.14 kernel built with EFI stub, initramfs loads and checks 5.4.109 kernel, then kexecs it.
CPU is a 2-core Intel Atom N6210.
When booted this way, at startup when ...
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When I try to install Linux on older PC 32bit I get black screen with blinking cursor. How to fix?
I have an old PC that used to run Windows XP (32bit). There are two hard drives. I tried to turn it on again, but Windows would not boot. I then decided to install Linux. I tried Ubuntu, Xubuntu, ...
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Can I dual boot between Arm and x86 binaries installed on a single disk?
Thanks to the Debian multi-arch system for GNU/Linux, I can install both ARM and x86 binaries on a single disk, even a single partition, the only requirement being a Linux-compatible filesystem such ...
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What's the easiest way to run x86_64 applications on aarch (Arm)?
I'm currently running the Asahi (Linux on the M1 Macbook pro) beta with Arch Linux, but would like to run some x86/x86_64 binaries, and am wondering the best way to do that.
I saw this thread ...
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/proc/1/stat shows start time 0 on Linux ARM64 server
I was reviewing code that fetches the process start time from boot from /proc/[pid]/stat. Strangely the start time value for PID 1 always comes up as 0 on ARM64 but this is not the case on my X64 host ...
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Wrong ELF class: ELFCLASS64
I'm in an ARM machine and I wanted to use an x86 program.
Installed Box86 and the program and it's libraries.
The program crashes because of this error: Error initializing native *libname* (last ...
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QEMU emulating two CPU archs
As I know, x86_64 Linuxes are capable of running x86 programs. I wonder if it would be possible to emulate it using QEMU.
I am using proot and hoping to proot into such said system.
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Installing winehq : broken packages, unmet dependencies
Following the instructions in https://wiki.winehq.org/Debian I get this error when trying to install wine in Debian 10 amd64 with apt-get install winehq-stable:
Reading package lists... Done
Building ...
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1
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Which 32-bit features are still vulnerable to "Retbleed" in the Linux kernel?
I'm updating my kernel to protect my system against the "Retbleed" exploit, and I know that affected 32-bit things haven't received the necessary mitigations. I'm wondering which 32-bit ...
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What causes Launchpad to sometimes build binaries for only amd64 and sometimes build them for both amd64 and i386?
I uploaded the same package (ocaml-sexp, manually backported from jammy) for xenial, trusty, bionic, and focal here. For the first three, Launchpad built both amd64 and i386 packages, but for focal, ...
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Assembly code that print to screen without syscall
Is it possible, in Linux, to write an x86 assembly program that print a character to the screen (standard output) without the use of any system call?
I think that it is not possible because, in x86 ...
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Register I2C RTC on x86 platform
I'm trying to register an I2C RTC device on an x86 platform.
I've disabled the PC-Style CMOS driver because I'm on an embedded platform and only my I2C RTC is properly backed up.
Now when I load the ...
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Memory Management with Segmentation
I've read the part of "Modern Operating Systems" by Tanenbaum about segmentation and got left with some questions:
How does the operating system manage the free memory space? For example my ...
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enabling i386 arch on amd64 Debian Buster and installing libc6:i386 tries to replace the entire os
Distributor ID: Debian
Description: Debian GNU/Linux 11 (bullseye)
Release: 11
Codename: bullseye
I'd like to install libc6:i386 to support an old proprietary printer driver. I've performed ...
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Cannot remove architecture i386
I'm using 64 bit Kali Linux, previously installed i386 architecture and now I want to remove it, because it downloads about 30Mb data for 32bit package every time apt update.
I tried dpkg --remove-...
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dpkg-deb treats my architeceture as amd64 instead of x86)64
I just created a simple .deb package (using this tutorial). This is my control file:
Package: bla
Version: 1.0
Architecture: x86_64
Maintainer: bla
Description: bla
The Architecture I got from uname -...
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How to install Das U-Boot legacy boot in x86 IBM-PC?
Das U-Boot is both first and second stage bootloader, as FSBL in a IBM-PC it must fit into the first 446 bytes (or less) before MBR in the first sector.
There is also a 1.5 stage boot loader that uses ...
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Is there any Rossetta 2 (SBT Static Binary Translation) alternative on Linux?
On an Apple Silicon chip such as M1 (ARMv8), x86 instructions can be translated statistically by Rossetta 2 when the program runs for the first time. It's fast. Because Rossetta 2 does the SBT (Static ...
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Why x86 ISA devices cannot perform DMA in to the full 32 bit address space?
As per Robert Love 's Linux Kernel Development , an x86 ISA device cannot perform DMA in to the full 32 bit address space because ISA devices can access only the first 16MB of physical memory(range ...
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(Why) does the Linux kernel use an identity mapping for its virtual address space?
I am currently researching the Linux kernels usage of virtual address spaces. I understand the benefits of having those, how page table walks work in x86, and the layout of the virtual address space.
...
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What changes had to be made to linux kernel in order to support ryzen 5000 series processor?
AMD contributed patches to linux kernel during 2020 in order to make it run on ryzen 5000 series processor. Don't ryzen 5000 series processors implement x64 ISA? How are ryzen 5000 processors ...
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Why qemu doesn't install aarch64 alpine Image on x86_64 ubuntu host?
I download qemu-4.0.0.tar.xz from here and after installing all necessary dependencies I run $ ./configure --target-list=aarch64-softmmu to have QEMU installed. I double-check the installation with $ ...
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uname -m -p -i. What does every parameter stand for? [duplicate]
I have CentOS7 installed on my computer. uname -a prints the following:
Linux c7 3.10.0-1127.el7.centos.plus.i686 #1 SMP Sun Apr 5 18:08:31 UTC 2020 i686 i686 i386 GNU/Linux
As stated in man uname ...
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i want a x86 file to run in aarch64
I wanted to play osu lazor, so I downloaded the appimage file from their GitHub releases and tried to run. However, when I tried to run the game with ./osu.AppImage, It said
-bash: ./osu.AppImage: ...
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How to upgrade Lubuntu to Debian?
Lubuntu 32 bit linux is End of Life:
https://l.me/sunsetting-i386/
Debian continues to be a basic reliable distro for 32 bit CPU's
Since Lubuntu is based on Ubuntu/Debian it is possible to 'upgrade' ...
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Where to find the syscall_64.tbl in Linux?
I was following this guide to add my own custom system call inside the Linux kernel "Adding a Hello World System Call to Linux Kernel".
In Step 5, it asks to modify the system call table by ...
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1
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Freebsd 12 i386 MongoDB package doesn't exist
Installed Freebsd 12.1 i386, when I am using pkg search mongodb I get "mongodb tools" and "mongodb C driver" and some other "mongodb" related packages but there is no ...
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Can't install Steam on fresh Debian Buster install
I just installed a fresh Debian install and I can't install Steam and PCSX2, both depending on i386 packages.
I followed the classic procedure:
# dpkg --add-architecture i386
# apt update
# apt ...
user412649
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yum + how to identify dependencies between rpm from i686 to X86
The approach to remove all rpm type of i686 and exclude the removal of X86_64 is like the following
yum remove '*.i686' -x '*.x86_64'
what we want to do instead it like the following
verify no ...
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yum + what is the safety approach to remove all rpm's from i686 type from rhel 7.x version machines
We want to remove the following rpm from all production machines servers , we have more the 152 servers machines ( rhel 7.6 ) , all Linux are x86_64 architecture,
yum remove *.i686 -y
this yum ...
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What is the point of the kernel reserving CONFIG_X86_RESERVE_LOW memory for the BIOS?
Since at least 2.6 kernels, Kconfig offers the option CONFIG_X86_RESERVE_LOW, described as the "Amount of low memory, in kilobytes, to reserve for the BIOS".
(Starting from physical address ...
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dmesg says: "Warning: Outdated ThinkPad BIOS/EC firmware ... may be missing critical bug fixes". Why is it being so alarmist?
Background
I'm running Xubuntu 18.04.4 LTS on an ancient 32-bit ThinkPad T60.
dmesg reports:
[ 27.726785] thinkpad_acpi: ThinkPad ACPI Extras v0.26
[ 27.726789] thinkpad_acpi: http://ibm-acpi.sf....
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Hardware timer , Real time clock, Jiffies in Linux context
I am trying to understand the Timer interrupts and the associated terms used in an x86_64 Linux machine.
Hardware timer (External clock) is same as a Real Time Clock.
The Real time clock runs even ...
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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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Can't find the source of some "asm", "generated" header files in linux kernel?
So, I am writing a module, that is working in kernel space.
My code compiles correctly and works correctly.
The thing is that there are some header files, which I couldn't find anywhere.
That doesn't ...
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649
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Getting configuration from dts file on x86 system
There is a requirement in a project where we have to take certain configuration values of a device from device tree.
I was able to generate device tree blob (.dtb) from .dts file. There is apparently ...
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1
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Setting the most basic text console video mode on Linux
I have a HP ThinClient computer (t5740) for a special use. Since it has VGA output, I can only connect it via VGA-to-HDMI converter to a monitor (it does not have VGA input).
When it boots the BIOS ...
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'Libwine:i386' error when I apt-get upgrade
apt-get upgrade shows the following error;
dpkg: unrecoverable fatal error, aborting:
files list file for package 'libwine:i386' is missing final newline
E: Sub-processs /usr/bin/dpkg returned an ...
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3
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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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261
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Debian packages without GUI install
I am installing Debian on an (old) Atom chip, i386 Kernel, and choose not to proceed with any GUI. Meanwhile, I see Gnome packages being installed. Is this normal? Why?
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How do machine-check exception (MCE) work?
I want to understand how CPU performs this Machine checks and how does it detect if any device has failed?
Does the device send any machine-check exception (MCE) event which the MCE daemon catches ...
