Questions tagged [64bit]

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

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1answer
23 views

How come you can't enable “DEBUG_STACKOVERFLOW” when configuring a 64 bit kernel?

I'm using menuconfig to setup a linux kernel for debugging, but why does it seem that DEBUG_STACKOVERFLOW only works for 32 bit systems? As you can seen in the screenshot, enabling ...
0
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1answer
20 views

How can I make 32-bit program run on the 64-bit Tails OS?

Like the title, I want to make 32-bit program run on the 64-bit Tails OS, so I download a package named ia32-libs_2020.05.27_amd64.deb, then dpkg it, but it did't work, the terminal said I should ...
2
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1answer
31 views

In 64-bit linux kernel, how much memory is contiguously mapped by the kernel?

I have gone through Robert Love's Linux Kernel Development, and other sources. And everywhere it mentions that on a 32 bit x86 system the kernel owns the top 1 GB of the virtual address space, out of ...
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1answer
56 views

NetSuite 64bit ODBC Driver installation on Ubuntu 18.04 Cluster giving error:- Can't open lib '/opt/netsuite/odbcclient/lib64/ivoa27.so

Have been running around this issue since 2-3 days now with no luck. Hope someone guides me and help resolve this issue here. I am running a Python application from /home/admin/app/example.py ...
11
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3answers
801 views

Is it worth reinstalling 64-bit Ubuntu instead of 32-bit on old hardware? [closed]

I have an old machine with an Intel D2700DC motherboard. I use it as a home server for some side projects. I have Ubuntu 32-bit installed on it, but recently figured out that its embedded D2700DC CPU ...
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0answers
38 views

unable to locate package mssql-server on Raspbian

I bought a Raspberry Pi 4b to execute a bunch of scripts, updating an Azure SQL db. For which, on my laptop running Deepin, I used mssql-tools (sqlcmd and bcp). After setting it up according to ...
0
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0answers
11 views

How does one change the Pollrate on a mouse?

Using Linux Mint 19.3 (Cinnamon 64-bit). A few games suffer from extreme lage when the pollrate is higher than 125Hz, and I cannot figure out how this terminal works, atm. Mostly due to the fact ...
1
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1answer
49 views

Which Debian architecture should I use for my Intel NUC7I3BNH?

I tried to search for the correct architecture to use for my Intel NUC7I3BNH, but I am none the wiser. Which architecture would be most appropriate - amd64 or i386?
3
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2answers
498 views

Is it worth to install some Debian UEFI 64bit on Intel Atom [closed]

I am using for some time some Ubuntu clones, because they works on my uncommon computer setup (Intel Atom, UEFI, 64Bit). Unfortunately because of this specific architecture, I can not drop on this ...
0
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2answers
51 views

Compile NCFTP for 32 bit target

System details- Linux Kernel Release(2.6.18-164.el5), Machine Hardware Architecture(i686) I have to compile ncftp client source code on 64 bit architecture to create 32 bit binaries. I don't have ...
0
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0answers
330 views

64-bit version of application crashing with Wine

Disclaimer: I'm a Linux newbie and know nothing about computers. Sorry if anything below is obvious or stupid. I'm running Mint 19 (64-bit) with winehq-staging=3.21.0~bionic (version 4 seems to cause ...
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0answers
33 views

How do I mount an overlay with dmsetup?

Simple question but I couldn’t find the answer : I’ve an ext4 filesystem stored inside a squashfs volume (so read‑only) and an existing dm_snapshot_cow file for providing write access. What’s the ...
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2answers
573 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
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0answers
568 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
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1answer
379 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
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1answer
1k 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?
2
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1answer
1k 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 ...
10
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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
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1answer
244 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
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1answer
2k 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
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1answer
956 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
289 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 ...
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0answers
1k 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 ...
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2answers
100 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
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0answers
53 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
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2answers
107 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 ...
5
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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
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1answer
652 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 ...
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1answer
192 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....
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0answers
162 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
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1answer
2k 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
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1answer
376 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
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1answer
87 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
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1answer
710 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
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5answers
6k 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/...
3
votes
1answer
466 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-...
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0answers
412 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
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1answer
213 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
65 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
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1answer
282 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
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1answer
1k 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
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2answers
3k 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
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3answers
388 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 ...
2
votes
1answer
494 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 ...
3
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1answer
8k 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 ...
1
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1answer
772 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
114 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
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1answer
121 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
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3answers
12k 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 ...
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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 ...