Questions tagged [intel-cpu]

Questions specifically pertaining to CPUs built by Intel. Do not use this tag purely because your system happens to have an Intel CPU in it.

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Is it possible to run Ubuntu on a 1.10 Ghz cpu with 2.8 boost [duplicate]

Can i run Ubuntu with this specs? SSD: 256 Gb CPU: 1.10 Ghz, 2 cores (boost to 2.8 Ghz) Ram: 8 Gb 64-bit I am using Zorin os 17 core at the moment.
Satif's user avatar
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-1 votes
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C-states not functioning on Ubuntu Server 23.10

I know, this topic is oddly similar to this one: C-states not functioning on Ubuntu Server 22.04. but bear with me. hardware: Motherboard: Asrock B760M-HDV/M.2 CPU: Intel i3-13100 Storage: ADATA XPG ...
lukasz's user avatar
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0 votes
1 answer
41 views

CPU Throttling on Ubuntu 22.04 (ok on 20.04)

I've made a fresh install of Ubuntu 22.04 on Lenovo Yoga X390 (previously using Ubuntu 20.04, which worked satisfactorily for a long time). The hardware configuration didn't change; the CPU is i5-...
Piotr Czekalski's user avatar
0 votes
0 answers
113 views

Intel i7-12700 12 cores, but only 4 cores seem to be usable on Ubuntu 22.04

I'm running parallel jobs on Ubuntu 22.04 with Intel i7-12700 (8p+4e=12 cores). The name of the executable is pimpleFoam, 6 executables are running simultaneously with each using 2 cores, totaling up ...
Hüseyin Can Önel's user avatar
0 votes
0 answers
22 views

indicator-cpufreq unable to choose powersave

I'm on Lenovo G50 laptop, Lubuntu 22.04. I installed indicator-cpufreq. When I run it (I'm using i3) I'm unable to switch it to powersave. It always switches back to performance. Can I fix it?
xralf's user avatar
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1 vote
1 answer
53 views

Intel 13980HX reports 5.4 GHZ max instead of 5.6 GHZ

I have a laptop with an Intel 13980HX which is supposed to have a max boost frequency of 5.6 GHZ on the p-cores. However Linux is reporting max of 5.4 GHZ at the moment, any clues why? I'm running the ...
satur9nine's user avatar
0 votes
1 answer
226 views

System display time is out of sync with specified install time on Ubuntu 22.04.02 LTS install

On installing Ununtu 22.04.02 LTS from a USB key on to an HP Pavilion Laptop. I have encountered the following problem: When I run sudo apt update && sudo apt upgrade -y I get: E: Release file ...
growler11's user avatar
3 votes
2 answers
932 views

C-states not fuctioning on Ubuntu Server 22.04. Please help

I’m putting together a home server running Ubuntu 22.04 LTS and I’m having a hell of a time with the c-states. Current power draw of the system is 33 watts but I’d like to lower that as far as ...
bleptoga's user avatar
2 votes
1 answer
1k views

Does Ubuntu 22.04.3 come with the Downfall patch pre-installed?

Does Ubuntu 22.04.3 Live CD/DVD image come with the patch for CVE-2022-40982 (i.e. with the latest intel-microcode package)? I could not find this information in the release notes or the change ...
szx's user avatar
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Time spent in cpu frequency on core i5

On my old server with AMD Athlon X2 5050e processor, I have /sys/devices/system/cpu/cpu*/cpufreq/stats/time_in_state that tells me how much time the processor spent in each frequency state. Now I have ...
Maarten Deen's user avatar
1 vote
0 answers
702 views

Gnome shell uses excessive amounts of CPU?

I'm running Ubuntu 22.04LTS, with only the Built-in extensions (i.e. Desktop Icons, AppIndicators and Dock) installed. Since updating to 22.04 I noticed that my mouse would begin to stutter frequently,...
Emil_M's user avatar
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3 votes
1 answer
938 views

No microcode detected after installation and reboot

I noticed an error in GCP log: [ 0.294304] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode After installation, I then ran these commands: sudo apt-get install microcode.ctl ...
TurnItOffAndOnAgain's user avatar
0 votes
1 answer
3k views

How to update possible C States

I've been running ubuntu 20.04.4 LTS on an old motherboard with intel i5 3570k. This CPU has a limitted number of C States available and as such power consumption was mediocre. I have now updated to a ...
Maciej Musialek's user avatar
1 vote
1 answer
275 views

i3-6100 CPU stays at low frequency during load

About a month or two ago, my Ubuntu 22.04 system's performance took a sudden hit out of nowhere. I didn't changed any HW, I didn't messed with any configurations. After investigating a bit, I've found ...
Pitel's user avatar
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2 votes
1 answer
5k views

intel_pstate CPU model not supported

I've recently updated to Ubuntu 22.04 LTS and saw there was power options. However, performance mode is not available. I can't get the same performance and benchmark scores I get in Windows dual boot. ...
Cagri's user avatar
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1 vote
0 answers
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Installation of Ubuntu 20.04LTS and 22.04LTS fails on my MSI Creator Z16 A12UET core i7 12th gen

I have tried severally to install ubuntu desktop on my MSI pc (model stated above) but it always fails run after. The installation completes without error but it always fails to work that is, boot to ...
ogbonnaec's user avatar
0 votes
0 answers
40 views

ubuntu 20: <Error> CPU pipe A F10 underrun

I get the error an error: **** CPU pipe A FIFO underun when I open my Laptop Lid after it was closed. Sometimes also after disconnecting a monitor. Then I cannot continue to use my laptop. I ...
Skull Soul's user avatar
1 vote
3 answers
2k views

Maximum CPU frequency reported wrong by lscpu, CPU not boosting to actual maximum frequency

I'm using Ubuntu 20.04, and my CPU model is the Intel i7-10750H: > lscpu Model name: Intel(R) Core(TM) i7-10750H CPU @ 2.60GHz Stepping: 2 Frequency ...
user258532's user avatar
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0 votes
1 answer
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modprobe intel_rapl_common: no such device on Intel Core 11th-i7 dual-boot system

I am using a Dual-boot laptop (Windows10 and Ubuntu18.04 LTS), and I am trying to using the Intel RAPL interface for power measurement in Ubuntu. When I want to use sudo modprobe intel_rapl_common to ...
Wangkai Jin's user avatar
5 votes
1 answer
9k views

Is it possible to install intel-mkl on Ubuntu 18.04 LTS?

I know that this package is available via official repository only from Ubuntu 20.04 LTS and in newer versions.
N0rbert's user avatar
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0 votes
0 answers
121 views

Ubuntu doesn't recognize virtual cores

I have a little problem... The virtualization is activated in the Bios an it is also detected by lscpu (Virtualization: VT-x) but Threads per Core is only one an also htop only shows me half of the ...
Erik Tunsch's user avatar
0 votes
1 answer
129 views

can not find cpu threads in system monitor?

I run ubuntu 21.10 and have a 4 core processor with 4 threads, but I only get 4 cores:
Sara's user avatar
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0 answers
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Set CPU frequency permanently [duplicate]

Just got a laptop with an Intel Celeron N4500 (Dual Core @ Max. 2,800) which runs out of the box on 1,100. This is not even enough to run Netflix on full screen that's I'd like to increase the ...
JoeHardi's user avatar
1 vote
2 answers
1k views

How to troubleshoot CPU HW crash in Ubuntu 18.04

I bought a new computer a few months ago. I installed Ubuntu 18.04 and it's working fine except when I compile c++ code: it freezes hard as soon as there is a spike of high CPU usage (10+ cores). The ...
ForeverLearning's user avatar
0 votes
0 answers
246 views

What is happening with the power mode in ubuntu 21.04? Very laggy balanced mode

EDIT: The actual question: Have you or anyone else had issues with performance degredation using this power mode on a fresh install of ubuntu 21.04. I am trying to get to the bottom of why this ...
Kevin's user avatar
  • 265
13 votes
3 answers
14k views

How to disable tracker on ubuntu 20.04?

I purchased a new acer i7-1165G7 @ 2.80GHz × 8 laptop installed ubuntu 20.04 along with dual boot Windows. Whenever I start the laptop either in windows or ubuntu both are making very loud noise. I ...
user3704712's user avatar
0 votes
1 answer
477 views

High CPU usage 20.04

Need to troubleshot this high CPU performance. Linux alaa-XPS13-9333 5.8.0-50-generic #56~20.04.1-Ubuntu SMP Mon Apr 12 21:46:35 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
user176105's user avatar
0 votes
1 answer
665 views

How do I set up Dell Precision 3560? [closed]

How do I configure and optimize Ubuntu on Dell Precision 3560? The machine is certified for Ubuntu I'm a devops engineer, and I use the machine also for my home studio to record music. I need Wifi, ...
jmary's user avatar
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2 votes
2 answers
3k views

Powercap (intel-rapl) - Changing long-term power limit

I'm looking for some clarification on how to use either rapl-set or powercap-set to change the long term power limit on my Intel N4200 laptop running Ubuntu 20.04. Firstly, I know that my bios allows ...
ahaslam's user avatar
  • 21
0 votes
1 answer
1k views

Segmentation fault / fail to boot after CPU upgrade?

My machine is a HP ProDesk 400 G4 SFF running Ubuntu Server 20.04. It was running just fine with the original Intel i5-6500 CPU, but upon upgrading to an i7-6700 the system will no longer boot. I've ...
Dalarielus's user avatar
2 votes
1 answer
3k views

How to confirm if undervolt is working in Ubuntu?

I have managed to under-volt my Intel 8750H by 150 mV using https://github.com/kitsunyan/intel-undervolt. But I am not sure if the settings are really applied.
indianmaster's user avatar
1 vote
0 answers
8k views

intel sgx enabled in bios but in ubuntu system the isgx driver keeps saying "cpu does not support SGX1 instructions"

I have a gigabyte b365m motherboard with the newest bios F3a and core i5-9600k. I have set intel sgx to "enabled" in bios but in ubuntu the isgx driver keep saying intel_sgx: CPU does not support SGX1 ...
Doooom's user avatar
  • 11
3 votes
1 answer
8k views

Set Max TDP of Intel H-series CPU

I am searching for some program which deals with setting the max TDP of the CPU like we do in Intel XTU on Windows. I am able to undervolt the CPU with this project. I can also monitor the TDP of the ...
sam's user avatar
  • 155
4 votes
0 answers
9k views

How to enable all the cores available in ubuntu 18.04

When I executed the command: sudo lshw | grep core It's showing following output: cores:2 cores_enabled:1 threads:2 How can I enable both cores? (Ubuntu 18.04). Edit: No options visible in BIOS ...
karun j's user avatar
  • 41
32 votes
3 answers
10k views

Why is Kubuntu using much more CPU than Windows in YouTube and other web browsing use?

I am just moving to Kubuntu from Windows. And i feel that browsers on Kubuntu cost so much CPU to work. Example: When I watch Youtube: In windows, CPU is around 12%. In Kubuntu, CPU is around 50%. ...
Thuat Nguyen's user avatar
0 votes
1 answer
148 views

Strange Processor Behavior

So now my processor boots locked at 800mhz every boot, and every wake-from-sleep. This occurs in both Windows and Linux. For Windows, I throttlestop and check/uncheck BD prochot and thermal prochot ...
Tom Mercer's user avatar
  • 1,618
12 votes
2 answers
4k views

Show Lenovo Yoga 730 fan speed in Kubuntu

On my Lenovo Yoga 730-15IWL with a i5-8265U CPU, the sensors-detect command cannot detect the fans, so sensors cannot show them either. How can I show the fans speed on such a system?
rubo77's user avatar
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7 votes
4 answers
6k views

CPU overheating in Ubuntu 18.04

As I was checking the kernel logs I noticed : kernel: CPU2: Package temperature above threshold, cpu clock throttled (total events = 13430). I have 4 CPUs and all of them have the same issue. My ...
Navid's user avatar
  • 71
2 votes
1 answer
576 views

Undervolting on Ubuntu

I decided to undervolt my cpu and I saw online there are 2 main programs to do it on Windows: XTU and ThrottleStop. However it seems there aren't versions of these programs for Ubuntu or for Linux in ...
Stefan's user avatar
  • 31
6 votes
5 answers
3k views

Processor caps at 800Mhz

When I do something that spikes the CPU, it seems to throttle the CPU to prevent overheating. This is fine. However when I stop, finish or close the program or process that is pushing the CPU, it ...
DannyBoy's user avatar
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6 votes
0 answers
5k views

How do I setup Intel SGX on Ubuntu?

I want to use Intel SGX on Ubuntu. I have a Dell Inspiron with an Intel i7-8550U, and that CPU supports SGX. I am running Ubuntu 18.04 from a bootable flash drive (my main OS is Windows 10, typically ...
danxinnoble's user avatar
0 votes
2 answers
903 views

How can I install Ubuntu on a 2007 Macbook Pro?

I have a 2007 Macbook Pro that is running 10.6.8. I'm actually using it now to ask this question. I also have an iMac running 10.13.6. I can't use my laptop because of its age and because I cannot ...
user avatar
1 vote
1 answer
1k views

Ubuntu 18.04 LTS Spectre/Meltdown Status [duplicate]

I could not find any official Ubuntu information on that issue. If I check the official statement: https://wiki.ubuntu.com/SecurityTeam/KnowledgeBase/SpectreAndMeltdown there is only information on ...
Melanie's user avatar
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1 vote
1 answer
1k views

How do I tell if CPU Turbo is on or not on 16.04?

I'm using a command that has been recommended to me many times and all it turns up is this: user@tux:~$ cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_driver acpi-cpufreq acpi-cpufreq acpi-cpufreq ...
AssHat's user avatar
  • 11
0 votes
0 answers
153 views

Ubuntu 18.04 Intel i5 4-Cores peaking one at a time

I'm having an issue with different programs making my quad-core i5 peak. Not sure exactly what to do. Any help is appreciated. Update: I was able to break it down to the “gedit” program. It drives my ...
Michael ocasio's user avatar
0 votes
2 answers
5k views

Distribute workload among different CPUs

On my Ubuntu 16.04, I am running a program that is relatively expensive in terms of CPU usage. It takes quite much time to finish, and other tasks (like browsing the web) get slower as a consequence. ...
Py-ser's user avatar
  • 671
2 votes
1 answer
2k views

CPU core stuck at 100% utilization

I noticed that my laptop's fans were running continuously at high RPM for a few hours. I installed HTOP to check CPU utilization, and found that one of the 8 cores is stuck at 100%. Even after ...
Quest Monger's user avatar
3 votes
1 answer
931 views

Ubuntu 18.04 Install Freezes the CPU

I'm trying to install Ubuntu 18.04 on a Dell XPS9560 with an Intel Core i7-7700HQ and It was freezing up on the splash screen. I started it again and disabled the splash screen in the GRUB command ...
John Stanford's user avatar
0 votes
0 answers
61 views

CPUs not working at 100%

I recently upgraded my system to a i58400, 16 gb ddr4 and as os jumped from 16.04 to 18.04.1. Now im compiling Unreal Engine for Linux, so its supposed to be a heavy calculation and take many hours. ...
Eduardo Gutierrez's user avatar
1 vote
1 answer
2k views

CPU temperatures 90+ degrees Celsius on 2.5GHz and above

I noticed with the help of psensors that my CPU overheats to 90-97 degrees celcius if it gets above 2.5GHz. I am using a Lenovo Y720 laptop. I tested this both in games and by CPU stress test. I found ...
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