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Questions tagged [intel]

Tag for questions concerning Intel technologies. For Intel graphics use /intel-graphics. For general CPU related topics use /cpu.

371 questions
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Crash during startup on a recent corporate computer

After some recent updates, my computer no longer boots! Here's what I could determine: This is a very recent computer that was provided to me by corporate IT. It has a recent Intel CPU (Skylake generation). The computer runs Ubuntu 16.04. The…
Gilles 'SO- stop being evil'
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Why are some Intel family 6 CPU models (Core 2, Pentium M) not supported by intel_idle?

I've been tuning my Linux kernel for Intel Core 2 Quad (Yorkfield) processors, and I noticed the following messages from dmesg: [ 0.019526] cpuidle: using governor menu [ 0.531691] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff,…
Parker
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Why can the kernel not use SSE/AVX registers and instructions?

This post from StackOverflow has this, In some environments there there is a restriction on certain instructions or using certain registers. For example, in the Linux kernel, use of SSE/AVX or FP registers is generally disallowed. Therefore most of…
Evan Carroll
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CPU temperatures in linux: throttling or wrong reading?

Using a Lenovo Legion Y520 with i7-7700HQ (base clock 2.8Ghz) and GTX 1050. I'm getting CPU overheating warnings in linux and it's affecting my performance in games (found in Payday 2 and CS:GO). I've never had problems in Windows. This is what I…
zjeffer
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How do I interpret the output of intel-gpu-top and intel-gpu-overlay?

I have these commands compiled and running but their contents are a bit of a mystery to me. The processes from intel-gpu-overlay read something like: 15R, 16B, 41ms waits. What is an R, what is a B, what does that wait time indicate? It has CPU:…
mpr
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How can I parse the microcode (ucode) in iwlwifi to get the version numbers?

I have an Intel wireless card driven by iwlwifi, and I can see the following message in dmesg: iwlwifi 0000:03:00.0: loaded firmware version 17.168.5.3 build 42301 Given that I know which blob is loaded, how I can find out the version of this blob…
daisy
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Dual monitors with 2 videos driver with xrandr 1.4

I'm trying to dual-screen with 2 differents video card drivers (i915 & nvidia) but as you can see xrandr is only listing nvidia provider. I am using Arch Linux. I unsuccessfully tried finding where xrandr gets the provider list. [x@epoch ~]$ xrandr…
Francis
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Locating Drivers for Intel AX200 Wireless on 5.1 Kernel

I recently purchased a new laptop which features an Intel Wireless-AX200 Networking device for Wi-Fi and Bluetooth connectivity. I installed elementary OS 5.0 "Juno" along with the latest stable linux kernel (5.1.1), as I've heard that it should…
Jon-Johnson
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Modern Linux desktop handbook?

Within the last month, I have encountered a number of problems involving xf86-video-modesetting (independent of the rest), upower, dbus and systemd (I still can't get OOM to log via systemd). Is there a modern handbook that describes these systems,…
chx
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Intel CPU CONSTANTLY Throttled to Lowest Frequency - Ubuntu 20.04

I am at my wits end here and could use some additional input. Long story short (more detail below), my system keeps throttling the CPU speed and I am unable to recover until I am able to unplug the battery of my laptop. -> Description of…
ColdParachute
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Multiseat with one card and two Xorg instance

Is it possible to set up a multiseat environment with one graphic card and two Xorg instances? That is, one machine with a monitor/keyboard/mouse for the first Xorg instance and a second monitor/keyboard/mouse for another Xorg instance. I am using…
redhead
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Processor frequency stuck at minimum despite using performance governor. Kernel and hardware disagree on the frequency?

I am using a MacBook Retina with four processor cores on Linux (Ubuntu 18.04): $ grep -E '^model name|^cpu MHz' /proc/cpuinfo model name : Intel(R) Core(TM) i5-4258U CPU @ 2.40GHz cpu MHz : 799.976 model name : Intel(R) Core(TM) i5-4258U CPU @…
Dune
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What is the state of Linux kernel support for Intel Quiet System Technology (Intel QST)?

I am trying to find a way to access and/or control fan speed via Linux on an Intel Q45 Express/ICH10DO chipset. This chipset contains a feature called Intel Quiet System Technology (Intel QST), which is a part of the Intel Management Engine (Intel…
Parker
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Xorg broken xf86EnableIOPorts: failed to set IOPL for I/O (Operation not permitted) No devices detected

I am trying to use Xorg instead of Wayland on my Arch Linux. I have two graphics cards in my laptop. An Intel and a Nvidia graphics card. The output of my log file is: [ 53.401] (WW) Failed to open protocol names file lib/xorg/protocol.txt [ …
thigi
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Intel Skylake + DisplayPort 1.2 MST/Daisy chain on Linux

I am planning to buy hardware for using DisplayPort 1.2's MST feature to daisy chain two monitors in combination with the Intel Core i5 6600 Skylake processor on Ubuntu. Is this supported yet with the Intel Linux driver? Can anyone confirm they have…
webdevelopersdiary
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