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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how __libc_start_main@plt works? [migrated]

To study how the object file loaded and run in linux, I made the simplest c code, file name simple.c. int main(){} Next, I make object file and save object file as text file. $gcc ./simple.c ...
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Is it possible to use u-boot or redboot to boot a linux (minimal ubuntu) image on x86_64?

I am reading conflicting information about if this is possible or if it is a bad idea. I have used u-boot with Pandaboard but obviously this isn't x86_64 architecture. I have not seen any examples ...
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1answer
490 views

Turn system on by USB keyboard?

To hibernate my Debian Wheezy system, I run the following command: sudo sh -c 'echo disk > /sys/power/state' To wake up the system, I can press any key on my USB keyboard. My understanding of ...
2
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1answer
97 views

Unexpected processor/core counts for AMD processor

I wanted to determine if a machine has hyperthreading enabled or not. To determine this, I used advice I found online, which operates as follows: physical_proc_count = `grep "physical id" ...
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1answer
35 views

Will most Distros run on an old pentium d?

I am starting out in Linux for my first time and i'm wanting to know if the old Pentium D w/ p35 chipset will be compatible for most distros. It will be my "training" computer as I learn Linux. I am ...
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1answer
14 views

Socket and Core information

I am trying to grab no of socket and core information. Till now I found that one socket can have multiple cores. http://rcritical.blogspot.com/2010/09/finding-cpu-socket-and-core-using.html ...
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4answers
9k views

Using ABI_X86 in Gentoo

For one reason or another (I've been busy, I guess), it's been months since I've updated my Gentoo system. And, as you can imagine, this means there's a lot of packages (and USE changes) I need to go ...
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3answers
1k views

Difference between “machine hardware”, “processor type” and “hardware platform”

My Linux machine reports "uname -a" outputs as below: [root@tom i386]# uname -a Linux tom 2.6.9-89.ELsmp #1 SMP Mon Apr 20 10:34:33 EDT 2009 i686 i686 i386 GNU/Linux [root@tom i386]# As per man ...
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6answers
87k views

How to determine Linux kernel architecture?

uname -m gives i686 and uname -m gives i686 i386 output in Red Hat Enterprise Linux Server release 5.4 (Tikanga) machine. I need to install Oracle Database 10g Release 2 on that machine. So, how can I ...
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3answers
12k views

How do I know that my CPU supports 64bit operating systems under Linux?

How can I find out that my CPU supports 64bit operating systems under Linux, e.g.: Ubuntu, Fedora?
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2answers
2k views

Debian Wheezy rebooting instead of powering off

I'm having a weird issue with my Debian Wheezy desktop. When I try to shutdown the system (either from Gnome or from the command line with shutdown -h now) the computer automatically reboots. The ...
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2answers
2k views

What determines whether an interrupt is IO-APIC-edge or IO-APIC-level?

Looking at the contents of /proc/interrupts on an x86 Linux, I see that some of the interrupts are IO-APIC-edge while others are IO-APIC-level. I wonder what determines the interrupt type, is it the ...
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2answers
2k views

Linux and Android apps on ARM vs x86

There are a plethora of low-cost ARM-based mini-devices coming out (Cotton Candy, etc). Some of these are Android-only, some Linux-only, and some allow both operating systems to run. The only issue ...
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0answers
43 views

Android 4.4 x86 on Dell N5110 - Video issue

I am trying to run androidx86 (4.4) on Dell N5110. Here are the issues I have: No Sound: I found the solution from another forum. I will have to run the following as an executable script: ...
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1answer
28 views

How to install POV-Ray

I've Downloaded povlinux-3.6.tgz binary distribution and after ./install I got the message POV-Ray 3.6 installation This machine does not seem to be a Linux PC. This version of POV-Ray ...
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1answer
172 views

Role of the Intel P state driver

I searched high and low for what “Intel P state” is and what it does. I found out that it has to do with performance and power consumption. I learned that if you build it in the kernel, it'll becomes ...
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0answers
66 views

Does Linux provide Predictive Self-Healing on x86?

Predictive Self Healing is a feature of the OS to predict, detect a fault with one of its components and automatically repair it. MINIX, Solaris OS and Linux on POWER all have this. But is it ...
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2answers
521 views

ld.so.preload doesn't differ x86_32 and x86_64

— It's known you can run x86_32 programms with x86_64 kernel if it was compiled with support for that. But dynamic linker doesn't provide any way to define a separate set of preload libraries for ...
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3answers
38k 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 ...
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1answer
1k views

RAM for Kali Linux 1.0.9 VMWare 32 bit (i486)

How much RAM is the Kali Linux 1.0.9 VMWare 32 bit (i486) pre-configured to use. I have been searching on Google and various sites and cannot find the answer. I have limited, slow internet and need to ...
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1answer
595 views

Real mode and loading linux kernel confusing

As far as I know, protected mode will be activated in kernel and in grub stages it still real mode. My misunderstanding is: In real mode, total memory available for use is less than 1MB but how grub ...
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0answers
96 views

Disable processor speed changes on AC vs battery [closed]

My Toshiba Satellite L300 laptop freezes when I plug in the AC power cord. The problem is, whenever the processor goes in power management or downclocks, the system freezes and shows colorful ...
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1answer
235 views

Where do I find Mandriva netinstall?

Where do I find Mandriva Linux netinstall for i386? Do they even have a Mandriva netinstall?
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2answers
7k views

Top “id” is using 50-99% of CPU

My i386 Lubuntu install is running with a constantly 100% CPU. Using top I have diagnosed "%id" as using up a lot of CPU, usually between about 50% and 99%. Why is this happening, and how can I stop ...
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2answers
4k views

What a 64 bit Linux can do that 32 bit linux can't?

I ordered a server from fdcserver. Then I realized that, unless changed, fdcserver actually provides 32 bit operating as default. I logged in using SSH, typed uname -m, and to my horror I saw that I ...
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0answers
11 views

make: arm-elf-gcc: Command not found [duplicate]

I'm working on an application for a Moxa UC-7110, and I have installed their tool chain, which provides a cross compiler for their arm architecture on uClinux. I'm on on Ubuntu 12.04 LTS. I'm having ...
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82 views

Atom - compatible processors for a kernel

Does anyone know any Atom N270-compatible processors (what I mean is not that they run on the same socket, but that they can share a kernel with nothing going wrong). Btw, this also means that they ...
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6answers
1k views

What are the platforms that Linux is being used frequently on besides x86?

What are the platforms that Linux is being used frequently on besides x86? I know that x86 dominates. But, what are other platforms that some people also use Linux for? Are there links for ...
8
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1answer
592 views

Does Linux still have to reside within the first XX cylinders of a HDD?

It's been a while since I last bothered with partitioning my hard drive, but now it's time again and I remember last time I did this there was a requirement to put the root partition (or only GRUB?) ...
4
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1answer
419 views

Why do the data and code segments completely overlap in Linux?

Context: I'm reading "Understanding the Linux kernel, 3d ed", which uses the 2.6.11 kernel. Question: As I understand, the physical address is obtained by translating the linear address, which is ...
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4answers
7k views

Linux distribution for the AMD Geode LX 800 (i586) [closed]

The manufacturer recommendfs RH9 (ugh) and many of the google search hits come up with comments from 2006/7 which detail xorg problems with the AMD video driver and I'm hoping someone here has had ...
4
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0answers
522 views

getting the message “out of partition” after installing GRUB 2. What is happening?

I recently moved a partition with a complete Linux install except /home to a new disk (with DD). Everything went fine, I can mount the partition, browse it... perfect. Next step: install GRUB to ...
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4answers
5k views

32-bit, 64-bit CPU op-mode on Linux

I'm confused. Running Fedora Linux, lscpu yields: Architecture: i686 CPU op-mode(s): 32-bit, 64-bit ... But when I try to install a 64-bit program (Chrome) I get error like: ...
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0answers
529 views

Conflict between amd64 and i386 packages with same dependencies

I am running a Debian Wheezy (7.2), wich has a 64bit architecture, and wish to install cups and oracle xe on it. I installed cups through apt-get, and followed those steps to install oracle. However, ...
9
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1answer
3k views

Load Linux bzImage in QEMU?

I compiled a Linux by doing make menuconfig then make and now I have compiled the most recent version of Linux. How can I load the kernel into QEMU?
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1answer
199 views

updating BIOS without MS Windows (or a floppy drive)

I'm running Kubuntu 12.04. I need to update my motherboard BIOS. The Arch Linux Wiki says, "By far the easiest way to make a bootable FreeDOS USB Stick is using unetbootin." So I did that. Using ...
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2answers
593 views

What is the Execute Disable bit?

I read an article about the Execute Disable Bit (EDB) on x86 CPUs. This is more widely known as the NX bit; Intel also calls it XD. So Windows XP supports this hardware feature. Yay! But how do I ...
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1answer
54 views

Debian package available for ia64 but not for x86_64?

I want to download aptitude to build it from source on my 64bit machine. It is a Thinkpad with a normal x86_64 CPU, nothing special. The download page only has: alpha amd64 armel armhf hppa ...
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3answers
3k views

Implications of Linux support for AMD Fusion APUs?

As I understand it, the Linux kernel has had good support for Intel and AMD CPUs (pretty obvious since your OS installs and runs fine!). But now that AMD is releasing their new Fusion APUs, is it ...
4
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3answers
767 views

8086 emulator for unix-like OSs?

Is there any 8086 emulator (free or paid) for Fedora 17? I am learning assembly language using AT&T style.
9
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1answer
2k views

How can I determine if my processor is 64 or 32 bit? [duplicate]

Possible Duplicate: How do I know that my CPU supports 64bit operating systems under Linux? I am running Debian Squeeze, how can I determine whether my processor is 64 or 32-bit? I'm ...
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1answer
3k views

amd64 or i386? VirtualBox can't start client VM

My Debian kernel is linux-image-2.6.32-5-amd64, and the command uname -m returns x86_64. However, apt-get does get i386 packages (those /var/cache/apt/archives/*_i386.deb), and never gets amd64 ...
0
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2answers
123 views

Ubuntu 10.04 on 64bit

I need to download the 64bit version of Ubuntu 10.04, I found this link http://releases.ubuntu.com/lucid/ and select this option: PC (Intel x86) desktop CD But it is x86? And the other 64bit ...
6
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2answers
239 views

Is there a command or method (other than RTFM) to determine if a system has a UEFI BIOS?

My inspiration for asking this is this other question on Ask Ubuntu. One reason I am asking is that I am just curious. I would like to know more about this for whatever value it might have in the ...
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2answers
45 views

Running -march optimized software on another architechture?

I'm running an Athlon64 server with LFS and would like to have a local copy of the server in a virtual machine for testing purposes and building software. My PC uses an i7 and the existing server ...
6
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1answer
621 views

Files bigger than max(off64_t) on Solaris, eg “/proc/../as”

How do I read or seek from a file that's bigger than the maximum off64_t? The problem arises because the address space of a process is represented in the /proc/.../as file, which is a huge sparse file ...
7
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1answer
625 views

Can I run multiple cores at different clock speeds?

I see the cores on an Intel i5 machine I'm looking at can only be run at the same clockspeed: /sys/devices/system/cpu/cpu1/cpufreq/related_cpus lists all of the CPUs. Setting cpu1's clockspeed changes ...
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1answer
457 views

Installing GRUB from scratch

I am trying to make a scratch linux installation on a PC board that has an x86 processor running on it. It also has a compact flash drive on it to which I have copied my compiled kernel image. The ...
2
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0answers
828 views

32 bit appplication on 64 bit linux not working

I'm running linux mint LMDE 64 bit version, I have to install this i386 software to use my modem. So I did it with --force-architecture mode, installation completed with errors. Here is the log dpkg: ...
7
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2answers
3k views

Which Fedora CPU architecture should I choose? i386 or i686?

I have an old Thinkpad X32 which has an Intel(R) Pentium(R) M processor 1.80GHz based on the result of cat /proc/cpuinfo and I was wondering which is better to use on it, the i386 or the i686 version ...