Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [64bit]

When your question involves conversions to/from or idiosyncrasies of running on a CPU that uses 64-bit addresses.

1
vote
2answers
117 views

What's inside the kernel part of virtual memory of 64 bit linux processes?

I came upon this question : What's the use of having a kernel part in the virtual memory space of Linux processes? and based on the answer and the comments on the answer : the kernel memory ...
0
votes
0answers
90 views

Unable to install 32-bit Gtk on RedHat 7: Protected multilib versions

I'm trying to install a 32-bit version of the GTK onto a RedHat 7 Enterprise system. As the system isn't yet registered with Red Hat, I've gone ahead and used a Centos 7 repo for now. If I understand ...
0
votes
0answers
13 views

Install grub using Slitaz x64

I try to install Slitaz x64 (slitaz-rolling-core64.iso) on a VirtualBox VM using this manual. What I have done is I created one disk in a DOS MBR having ext4 and bootable flag. I differ to the ...
0
votes
1answer
47 views

How to configure rpmbuild to forbid installing 32 bit package in 64 bit systems?

I'm packaging software in RPM and distributing it in different packages by architecture (32bit or 64bit). Some libraries of my 32bit package have binaries that cannot be executed in 64bit systems (...
0
votes
1answer
251 views

32-bit compatability environment in Linux Mint 19? [duplicate]

I am trying to run Secondlife in Linux Mint 19. However it's a 32-bit program and I'm running a 64-bit system. How do I install a 32-bit compatibility environment in Linux Mint 19?
0
votes
0answers
31 views

pfSense does not boot on Compaq

I have a Compaq Presario V2000 with an AMD Turion 64 processor. When booting from this USB image: pfSense-CE-memstick-2.4.4-RELEASE-p1-amd64.img It does load the kernel, but then during the boot ...
2
votes
1answer
190 views

What are the possible options for the --arch option in debootstrap?

I need to set the arch option in debootstrap. So I did some research and read the manual. After reading the manual I see that the section on the options simply says --arch=ARCH Implying that I ...
9
votes
2answers
3k views

What does it take to run 64-bit userland software on a 32-bit kernel?

On Linux and Windows, I'm used to the situation that I require a 64-bit kernel to have a system with multiarch/WoW where I can run 32-bit and 64-bit software side-by-side. And then, years ago it blew ...
1
vote
1answer
82 views

What is cpu_entry_area?

The documentation of the Linux kernel describes the virtual memory map. It says: fffffe0000000000 - fffffe7fffffffff (=39 bits) cpu_entry_area mapping What is this "cpu entry area"? Is it ...
1
vote
1answer
525 views

Trying to resolve dependency on libz.so.1(ZLIB_1.2.9)

A friend built an EPUB converter for me that depends on lib64png16_16. lib64png16_16 has a dependency on libz.so.1(ZLIB_1.2.9)(64bit). I pulled down and compiled ZLIB_1.2.11, but it's not being ...
2
votes
1answer
340 views

Unable to get my PCE-AC56 working properly, but was only able to get it working and decently stable once

I've been trying to get my Asus PCE-AC56 to work with Linux Mint 18.3, which the wireless card has a Broadcom BCM4352 chip on it. I was able to at times, but it would run terrible when playing a game ...
2
votes
1answer
99 views

Manually set NX bit of specific PTE

On Ubuntu with kernel 4.16.7 I am writing a custom system call and, I want to set the NX bit of a specific Page Table Entry. So far I have this piece of code, where I am doing a page table walk to get ...
1
vote
0answers
415 views

How can I get Linux fully installed and operational on 32 bit U/EFI & 64 bit Atom (baytrail) tablet?

How can I get Linux fully installed and operational on a 2 in 1 Trio Windows 10.1 OD Tablet? ( http://www.triotablets.us/tablets/windows-tablets/pro-book-10-1/ ) It utilizes a 32 bit U/EFI and a ...
1
vote
2answers
73 views

Will running a 32-bit version of ImageMagick result in half the memory usage of a 64-bit version?

I am using ImageMagick to process large TIFF images, and I am running into memory issues as the processing happens in a limited resource environment (Function Compute on Alibaba, which is almost ...
0
votes
0answers
46 views

VirtualBox 32 bit registers in 64 bit host

I am using Kali Linux(64 bit) on VirtualBox for programming purposes. If Debugging with gdb, there are 64-bit Registers. Is it possible to use 32-bit Registers in 64-bit mode? Because I want to work ...
0
votes
0answers
93 views

How to set up fakechroot along fakeroot using mostly only system commands?

Situation I downloaded an android Terminal App which gives access only to system commands (there’s no app with native aarch64 support yet). Neverless, as I’m having more 24Gb of free ext4 space in ...
0
votes
2answers
44 views

When did MacOS fully transition to 64-bit?

In this Arstechnica article on the release of Mac OS X snow leopard, it included this graphic: Following Snow Leopard, when did apps, Cocoa, and Carbon also transition to 64 bit? By what release was ...
4
votes
1answer
1k views

32 bit apache on a 64 bit linux system [duplicate]

I am just curious: Are there any 64 bit Linux systems, which support a 32 bit version of Apache? As far as I know, a 64 bit Linux system supports only an Apache 64 bit and a 32 bit Linux system ...
0
votes
1answer
348 views

Convert 64-bit ISO to 32-bit

I have a Linux bootable ISO of Blancco Drive Eraser which only supports 64-bit CPUs. How can I use this ISO with a 32-bit CPU? I want to erase the onboard eMMC on tablets. So far I've failed to find ...
1
vote
1answer
120 views

Install both 32-bit and 64-bit versions of libgoogle-perftools-dev

I am on Debian Stretch and need google-perftools to profile some programs of mine. My machine is 64-bit; I build the programs for both 64 and 32-bit (using gcc -m32). I want to be able to profile both....
1
vote
0answers
83 views

how to install 32bit dependencies for noarch package on a 64bit box

I am on x86_64 Centos 7. I need to install a Package.noarch, but dependencies must be 32 bit. I cannot use: yum install Package.i686 since there is no such thing. Does anyone know how to tell yum ...
3
votes
1answer
1k views

Can Kali installed from Kali 64-bit iso run on 32-bit platform?

So let's say I download the 64-bit version (amd64) iso from official download page, then I boot at a 64-bit pc and start the installation to my 128GB USB. Let's say we all got both 32-bit and 64-bit ...
0
votes
1answer
213 views

/etc/odbcinst.ini used by 64 and 32 bits applications

I have the following /etc/odbcinst.ini file [root@]# cat /etc/odbcinst.ini [FreeTDS] Description=FreeTDS odbc driver #Driver=/usr/lib/libtdsodbc.so.0 Driver=/usr/lib64/libtdsodbc.so.0 UsageCount=1 I ...
0
votes
1answer
63 views

ASLR on i686-pae vs amd64 kernels running 32bit processes

Is ASLR more, same or less secure for a process running on an i686-pae kernel or for a 32bit process running on an amd64 kernel?
1
vote
1answer
289 views

How to find what ring a process is running on in Linux?

How can I find out which protection ring a given process is running in, and if possible can I produce a list of running processes with their respective rings? This thread gives some insight into what ...
8
votes
5answers
5k views

Install 64 bit programs on a 32 bit OS with a 64 bit processor

I'm curious. Is it possible to install a 64 bit program on a 32 bit OS with a 64 bit processor? I'm running Linux on a raspberry pi 3 and I try to install a newer version of MongoDB: armv7l GNU/...
2
votes
1answer
110 views

How can I find 32-bit binaries?

I've just upgraded one of my Gentoo systems from 32-bit to 64-bit. Now, I need to find any residual 32-bit binaries (mostly user-installed) so I can either re-compile them as 64-bit or install the 32-...
1
vote
0answers
299 views

not all RAM recognised (on 64bit CPU)

I've installed Ubuntu server 16.04 (64bit) on a Dell fx160 thin client (has an atom 230 processor). This device has two sticks of ram in it, 2 GB each. When I execute lshw I see that it correctly ...
1
vote
1answer
149 views

Installing debian amd64 on laptop that refuses to boot 64bit system

I am trying to install Debian 9, to one of my laptops, that I have never got to boot into 64 bit. However I did switch the kernel to 64bit. I then used multi-arch to install 64bit virtual-box (this ...
0
votes
1answer
60 views

How to install Linux server via CentOS 7

I am fairly new to Linux, and trying to install my first Linux server via CentOS 7.  I have an old Gateway desktop, with 32-bit (I think with either Windows 7, or 10).  And I noticed that now all the ...
1
vote
1answer
258 views

What is wrong with Lubuntu 17.04 64-bit version?

I have installed Lubuntu 16.10 32 bits on my computer but some softwares I have to use is 64 bits only, so I have to know if my system is 32 or 64 bit. After some searches on the web I have found the ...
0
votes
1answer
931 views

Can't get my Brother printer to scan (printing works) [MFC-J265W] [64bit] [Debian 9]

So I have a MFC-J265W Brother printer (connected via USB) and got it to print under Debian 9.0 64bit. For this I had to select my model on the Brother homepage and install the Driver Install Tool by ...
0
votes
2answers
1k views

Switching from Ubuntu to Debian

I want to switch from Ubuntu 16.04 to Debian 8.7.1. I have the correct Debian ISO image on a USB stick. However, my computer will not boot from it, nor will it boot from a CD/DVD with the image on it ...
0
votes
3answers
221 views

Literal ia32-libs in 2017

STOP! Before you tell me "this package has been removed, please use package-name:i386" read what I have to say! I need to use the compression formats of the PAQ-family. The executables were made in ...
3
votes
1answer
273 views

VirtualBox is giving me only 32bit option for system installation but I have 64 bit processor

I have a problem. I have a 64bit processor (Intel i7) and my VirtualBox does not recognize it. The error is like "you do not have 64 bit processor found". In the options while choosing the ...
1
vote
1answer
6k views

How can I build and run 32-bit software on 64-bit Debian? [duplicate]

I'm looking into developing a C++ program that needs a proprietary 32-bit library and which should run on 64-bit Debian (jessie, amd64). I assume I need to create a 32-bit executable in order to be ...
0
votes
1answer
557 views

How can I load i686 rpms in a RedHat 7 kickstart

RedHat 7 only comes in a 64-bit version, as I'm sure most of you are aware. 32-bit versions of most common libraries are still available though, for the 32-bit programs that needs them. We would ...
2
votes
1answer
80 views

Why does trying to installing a 64bit library via apt threaten to delete a number of required 32 bit ones?

I am trying to run sudo apt-get install libcairo2-dev libpng12-dev libossp-uuid-dev libfreerdp-dev libpango1.0-dev libssh2-1-dev libssh-dev tomcat7 tomcat7-admin tomcat7-user and when I do so I get ...
3
votes
1answer
94 views

Is possible to focus single core on very realtime calculations while using others as regular cores?

I am finishing part of project I started while ago and I need decent kernel for it. There is code that is critical to be ran all the time, as latency bigger than 1us may have impact on quality of ...
3
votes
3answers
7k views

gdebi Dependency is not satisfiable

I am trying to install Skype on amd64 Kali-Linux following this tutorial. However once I got to step 4.1, gdebi skype-install.deb, I got this error message: This package is uninstallable Dependency is ...
-3
votes
1answer
3k views

How to execute 32 bit programs in Kali Linux 2.7 (64 bit) [closed]

I am trying to execute a 32 bit file in Kali. But is says no such file or directory. I tried the following solutions: Then, I checked the installed architectures, and i386 is installed it seems. I ...
-1
votes
1answer
782 views

Is it possible to run a Kali 32-bit from USB in a 64-bit Windows system?

I have tried to run a 32-bit Kali from a USB in a 64-bit Windows 8.1 but I get an error saying that the boot failed (any more details). I formated the USB device with FAT32, with an allocation unit ...
3
votes
1answer
41 views

Running Instantbird in Fedora 64bits

Instantbird is only provided in 32bits packages. So which packages should I install in my Fedora 64 bits so that I can run Instantbird?
0
votes
3answers
538 views

install 64 bit Debian

I have a computer that had a 32 bit os on it when I got it, I thought it was 32 bit. So installed debian-7 32 bit. I latter upgraded the kernel to pae, and then to 64bit. It is now a 64bit kernel, and ...
1
vote
0answers
36 views

32 bit versions vs 64 versions of Linux [duplicate]

I am currently using various live Linux versions. In most cases I have the choice between a 64 bit and 32 bit versions. Does 32 bit have any disadvantages other than slightly lower performance? ...
1
vote
1answer
230 views

How to set default personality for a kernel?

I'm trying to replace a 32-bit kernel with a 64-bit one on a 32-bit system, so that I had the complete support for 64 bits for the apps which need it (provided they have the necessary libraries or are ...
1
vote
1answer
7k views

Cannot run 32-bit executable on 64-bit system with multi-arch support [closed]

I compiled a 32-bit executable for a Linux machine. It runs on most Linux distros without trouble. However, on Ubuntu 16.04 LTS, I get the No such file or directory error when trying to execute it. ...
1
vote
2answers
311 views

who has loaded an identity mapped page table?

I want to understand Linux x86_64 's startup steps, after reading some articles and linux-3.14.65/Documentation/x86/boot.txt, and almost know that the first instruction to run in vmlinux is ...
1
vote
1answer
542 views

Why is 64bit Ubuntu running Slower? [closed]

I have 2 mostly identical machines, and Acer and a Lenovo, both with Intel Atom 230 CPU @ 1.60GHz and 1GB of DDR2 RAM. The acer has a fresh install of 64Bit Ubuntu 14.04 LTS while the Lenovo has the ...
1
vote
1answer
3k views

Upgrading Linux mint 17 32- bit to Linux mint 17 64-bit

I have just upgraded my processor to a 64-bit processor and I would like to update my Linux mint 17 to 64-bit. How to do it? $ uname -a Linux kmcodes-home 3.13.0-24-generic #47-Ubuntu SMP Fri May 2 ...