Questions tagged [64bit]
When your question involves conversions to/from or idiosyncrasies of running on a CPU that uses 64-bit addresses.
209
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i have 3.3gb useable out of 8gb installed, x64 linux mint
after looking at the sys monitor i saw that out of 8gigs i only had 3.3 available. both of the 4 gig sticks are perfectly fine, and the slots are perfectly fine, but it shows 2x4gigs in bios, and 2x4 ...
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1
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Install Debian 32 or 64 bit, on weak hardware with a lightweight desktop environment
I'm planning to install a Debian 32-bit or 64-bit if possible.
It is a Toshiba Netbook NB305-N410BL-bn
The mfg specs list my Intel Atom® Processor N450
512K Cache, 1.66 GHz as a 64-bit processor
https:...
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1
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2
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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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Exam question - 64-Bit Virtual memory - Proper address for pointer variable
In a mock exam there is the following question:
Which of the following addresses is a proper memory address for a
pointer variable on an x86_64 processor?
0x7ffffff3328
0x0
0x8043844
0x555555ab3b
...
1
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0
answers
40
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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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0
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574
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Cannot run 32 bit executables on a 64 bit system
I've been pulling my hair out for days trying to run a 32 bit binary on a 64 bit arch installation. When I do try to run it, using ./scarlet, I get this:
bash: ./scarlet: no such file or directory
...
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1
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1
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32bit program on 64bit: cannot execute binary file: Exec format error
I'm linking an application consisting out of two libraries in clang under WSL.
The command I use looks as follows (simplified):
clang -m32 -fsanitize=address -L _build/ -l:lib1.lib -l:lib2.lib -o test
...
2
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1
answer
536
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Is there a way to chroot into 32bit system from 64bit host?
I have a 64bit Debian system running on my laptop. I wanted to chroot into a RasPiOS system (Raspberry Pi OS), but this OS is only 32 bit. When I try to chroot I get the following error:
# chroot /...
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0
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1
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WINE "wine: could not load ntdll.so: (null)" on ArchLinux ARM
Since I'm running an ARM system, I installed Arch in a x86_64 chroot, then installed WINE. However, running wincfg gave wine: could not load ntdll.so: (null). I assumed that it meant that WINE couldn'...
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How to configure LFS for multilib support?
I managed to install FLS pure 64-bit, but i want to "upgrade it" so it supports 32-bit also. I don't want to build LFS from ground up again. Is there a way to install multilib support on an ...
0
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1
answer
365
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Persistence on Tinycore 12.0 virtual machine
Using Oracle Virtual Box, I have a Tinycore 12.0 virtual machine with a MacOS Big Sur 11.2.3 host. I have the most minimal Core version, no GUI, because I was having trouble with mouse tracking and I ...
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1
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1
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2k
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grub-install: info: ... but x86_64-efi platform not available
I've installed LUbuntu on a system and it boots nicely in BIOS mode. Unfortunately I need to boot the system in EFI mode, so I booted the stick again. Made sure that it booted in EFI, mounted ...
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1
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How can we create an isolated addreess space per process without highmem in 64bit?
my question may be silly. But even after some searching, I still didn't get why highmem is unnecessary in 64bit architectures.
As far as I searched, in x64bit, there is no highmem. In other words, all ...
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1
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How do I run shellcode on Linux kernel 5.8+?
The assembly code I'm trying to run is simply a syscall 60.
# exit.s
.intel_syntax noprefix
.section .text
.globl _start
_start:
xor rax, rax
mov al, 0x3c
xor rdi, rdi
xor rdi, 1
syscall
...
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1
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Wine cannot find Wine Gecko despite installing wine-gecko 2.47.1
As per the helpful advice given by @GAD3R at Wine64 or Wine 32 for 64-bit Lubuntu 20.04? I installed Wine 5.0 (64-bit) from the Ubuntu 20.04 repository.
On running my windows application I got the ...
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2
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1
answer
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Wine64 or Wine 32 for 64-bit Lubuntu 20.04?
I am running 64-bit Lubuntu 20.04. I have some old windows executables, which I am not sure if they are 32-bit or 64-bit. As far as I know, 64-bit Windows can run 32-bit executables. Would you ...
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2
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21k
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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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1
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769
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Why I can't compile cpp file using gcc to be 32 bit?
linux 64 bit and while trying to compile my cpp file I receive an error
would appreciate any help, thank you
The gcc command
gcc -m32 -g mmn12-q2.cpp -lstdc++
The error:
/usr/bin/ld: skipping ...
0
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1
answer
132
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Detect if the computers hardware is capable for a 64bit system?
I'm more and more getting into trouble with my Debian 32 bit system, since some software such as the signal messenger are not written for 32 bit anymore.
Operating System: Debian GNU/Linux bullseye/...
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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 ...
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1
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144
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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 ...
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1
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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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846
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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 ...
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11
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3
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2k
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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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381
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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 ...
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1
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774
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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?
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2
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3k
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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 ...
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2
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143
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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 ...
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0
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861
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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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2
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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 ...
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0
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1k
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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 ...
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1
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895
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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 (...
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1
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3k
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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?
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1
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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 ...
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10
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2
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4k
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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 ...
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2
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1
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820
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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 ...
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2
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1
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5k
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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 ...
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1
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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 ...
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1
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668
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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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0
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3k
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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
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2
answers
183
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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 ...
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0
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57
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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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2
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239
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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 ...
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1
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2k
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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 ...
- 1,377
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1
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1k
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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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1
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1
answer
399
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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....
user37050
1
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0
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321
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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 ...
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3
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1
answer
3k
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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 ...
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1
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728
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/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 ...
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1
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142
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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?
