Questions tagged [cpu-architecture]

Running or compiling binaries made for CPU architectures different than the host system

31 questions
158
votes
9 answers

Getting Processor Information

I have just ran lshw to get some information about a machine I know nothing about, and I just wanted to confirm something. Does this basically mean it is a dual core 64 bit processor that is installed? *-logicalcpu:0 description: Logical CPU …
Toby
  • 1,765
144
votes
17 answers

What are the differences between 32-bit and 64-bit, and which should I choose?

What is the difference between 32-bit and 64-bit Ubuntu? I've heard the 64-bit platform performs better and can detect more than 4GB of RAM. Also, while some apps haven't ported to 64-bit yet, ia32-libs lets a 64-bit machine run them. If so, why not…
squallbayu
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46
votes
10 answers

How do I run a 64-bit guest in VirtualBox?

I would like to have an Ubuntu 11.04 64-bit test environment. When I try booting the Ubuntu 11.04 64-bit installation CD in VirtualBox, the following message is displayed by VirtualBox: VT-x/AMD-V hardware acceleration has been enabled, but is…
ændrük
  • 78,496
40
votes
5 answers

Should I reinstall Linux when changing the laptop's CPU?

I am planning on changing my laptop's CPU in the next few days. Should I expect anything from Ubuntu? Like a slower/different start for the first time, or should I completely reinstall Ubuntu? They are both of 64-bit architecture. Later Edit: After…
hadarS
  • 639
16
votes
3 answers

Is my system able to run 64-bit OS?

I am using 32-bit Ubuntu 14.4 LTS. How can I tell if my computer can run a 64-bit os? I am confused between architecture and CPU op-mode. An excerpt from /proc/cpuinfo: $ grep " lm " /proc/cpuinfo flags : fpu vme de pse tsc msr pae mce…
kamal
  • 183
6
votes
2 answers

Is it a problem to have packages with "amd64" architecture when I have an intel cpu?

I am trying to debug a scanner install failure and when checking if the required packages were present or not I saw a difference in the package architecture. $ dpkg -l | grep Brother ii brscan-skey 0.2.4-1 amd64 Brother Linux scanner…
6
votes
2 answers

apt-get searching for binary-armhf with INTEL i7 CPU

When I run: apt-get update I receive the following errors: Err http://us.archive.ubuntu.com trusty/main armhf Packages 404 Not Found [IP: 91.189.91.13 80] Err http://us.archive.ubuntu.com trusty/universe armhf Packages 404 Not Found [IP:…
spk593
  • 81
3
votes
1 answer

NO_MATCHING_ABIS error when installing *some* Android apps in Anbox

Since Anbox currently does not come packaged with an app store, the only way to install applications is through ADB as follows: adb install /path/to/file.apk I have been able to successfully install QuickPic and Snapseed this way, however when I…
3
votes
0 answers

how to install 32bit support in Ubuntu 16.04 64bit?

sudo apt-add-architecture i386 The above command does not work in Ubuntu 16.04 64bit I need 32bit support, how can I do?
3
votes
1 answer

Debugging RCU stalls on Ubuntu Server 22.04, 5.15-realtime

I am trying to isolate CPUs on an AMD EPYC 8534PN (64C/128T). Unfortunately, I see the RCU stalls and the server crashes over and over. And I am not really sure what I am doing wrong. The crashes only happen when the server is under load. Usually, I…
2
votes
3 answers

Does "Trusty Tahr" support EFI ia32?

Does "Trusty Tahr"(Ubuntu 14.04) supports ia32 booting?
2
votes
3 answers

Architecture - 32-bit handling 64-bit instructions

tomasz@tomasz-lenovo-ideapad-Y530:~$ lscpu Architecture: i686 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 2 On-line CPU(s) list: 0,1 Thread(s) per core: 1 Core(s) per socket: …
ducin
  • 205
2
votes
1 answer

Ubuntu 18.04.4 LTS 64 bit on Raspberry Pi 4 + RealVNC server, how?

I installed the official Ubuntu 18.04.4 LTS 64bit image on my Raspberry Pi 4. On Raspian Buster I used RealVNC server to connect remotely to Raspberry so I want to use the same with Ubuntu but on official RealVNC server page is available .deb…
1
vote
0 answers

Wrong system architecture detected

I have recently reinstalled my Ubuntu 14.04 (after introducing some changes to the disk) and I have run into a strange problem. I have 64 bit processor and I've installed 64 bit system (as shown in picture) and when I run uname -m I have this…
gonczor
  • 181
1
vote
1 answer

Can Ubuntu run on a Mac with PowerPC?

I have an iMac with a PowerPC chip in it. Can Ubuntu run on it? I have Mac OS X 10.4.11 running on it right now. The brand is Apple.
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