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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.

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Compiling module crc32_intel_glue fails

I have two CentOS hosts and want to install the kernel module crc32_intel_glue.  I don't find it in the official repo, so I tried to build it from source, and failed. I downloaded crc32c-intel_glue.c ...
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57 views

How to update libvirt to passthrough md-clear?

There are new 4 CVE CVE-2018-12130 CVE-2018-12126 CVE-2018-12127 CVE-2019-11091 Debian stretch kernel is vulnerable https://security-tracker.debian.org/tracker/CVE-2018-12130 Even if you get a ...
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0answers
20 views

Fans always on on HP laptop

I recently installed Debian 9 on my HP-15bsxx laptop (after installing ElementaryOS 5.0 and NOT having this problem), and I have this issue where the fans are always on (not at full speed), even ...
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1answer
383 views

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 ...
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1answer
13 views

WiFi only works AFTER suspend on Antergos

I recently swapped the SSD from my old Thinkpad W520 that stopped working into my new Thinkpad T540p. I was just curious what would happen so I let it boot up and it works almost perfectly. However, ...
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14 views

Use laptop and external monitor at the same time using NVIDIA X Server

I managed to setup the display properties for the monitor via xorg.conf file, but I can't seem to find a way to use both external and built-in laptop monitor at the same time. Here is my xorg.conf: # ...
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1answer
58 views

About Intel speed select

I am studying intel speed select: official info: https://www.intel.com/content/www/us/en/architecture-and-technology/speed-select-technology-article.html reference site: https://www.tweaktown.com/...
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2answers
187 views

Does linux (kernel) support Intel speed shift?

Windows 10 support Intel speed shift. Does Linux (kernel) also support it? Speed shift related info: https://www.anandtech.com/show/9751/examining-intel-skylake-speed-shift-more-responsive-...
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18 views

How does task switching work between root/non root mode and host OS threads with KVM

KVM with QEMU spawns 1 process per VM and one thread per core. The KVM code uses VMON, VMENTER etc but when Linux task switches these threads with threads of the host OS, how does that work? How does ...
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0answers
16 views

Elementary os on login <ERROR> failed to enable link training

When logging in the system knocks an error: [drm: intel_dp_start_link_train [i915]] failed to enable link training Maybe it happened because of whom I installed nvidia-smi. No video card, Intel-i7 ...
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118 views

Active graphics card: unknown - no HDMI connection

I have seen similar threads around here but they do not exactly answer my question. Towards the end of last year, my HDMI connection (external screen) did not work anymore on my Linux Mint partition (...
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1answer
141 views

802.11ac : Trying to obtain 1.7333 Gbps 160MHz

I am trying to obtain maximum throughput between two Ubuntu nodes; both with the 160MHz capable Intel Wireless-Ac 9260 card using an ASUS GT-AX11000 router. Ubuntu1--2meters--AX11000--10meters--...
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1answer
185 views

How does the Linux Kernel handle newer chips that patched only against Spectre Variant 1 but not Variant 2?

How will chips patched for Spectre Variant 1 and Meltdown, like Whiskey Lake and Amber Lake, handle Spectre Variant 2? I'm looking to spec out a new laptop. Currently evaluating the Lenovo x390. It's ...
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0answers
55 views

Difficulty in loading iwlwifi network driver in Parabola

I'm having a problem in loading the driver for my Thinkpad X200's Intel Ultimate-N 5300. I'm flagged to the driver in particular in my efforts to establish a wireless connection by the facts that ...
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0answers
61 views

Unresponsive system with powersave governor on Thinkpad X1 Carbon

Using a Thinkpad X1 Carbon 2018 (6th Gen) on Ubuntu 18.10 with kernel 4.18 I notice that the system feels unresponsive even in AC mode. It's most noticable in Firefox (but not restricted to it) ...
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1answer
65 views

Replace application from computer with cpu SPARC 64b to computer with cpu Intel 64b [closed]

I have application compiled on server with Solaris 8 and CPU UltraSPARC-III+ x64b and need replace it (due to server end of life) to another new machine with CPU INTEL 64b , its may be same OS or ...
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1answer
181 views

How does the operating system read the page size from hardware?

Books on operating systems usually mentions that the page size is decided by the processor architecture, for example Intel x86 supports 4KB page size. I have a perception that when we were installing ...
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1answer
125 views

Fedora 28 server install failure

My goal is to install the Server version of Fedora 28.1.1, on a second Intel S1200SPLR server (after the first was proved to have a hardware problem) with a Xeon E3-1275 v5 CPU, 16GB of 2133 ...
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1answer
172 views

Linux Mint 18 installed on Intel NUC then moved SSD to different NUC where it fails to boot from SSD

Linux Mint 18 was installed on an Intel NUC5i7RYH computer. That PC has a hardware problem so I moved the Samsung EVO 960 SSD to a new NUC7i7BNK, but the second NUC does not boot from the EVO SSD. It ...
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1answer
112 views

NUC with Centos 7 crashing: Microcode SW Error Detected

I am trying to figure out why the WiFi on my Intel NUC with CentOS 7 continues to die. As info, I have 5 node Hadoop cluster and they are all configured the same (as far as I can tell), however, the ...
3
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1answer
741 views

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'...
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1answer
176 views

Intel® SGX™ (Software Guard Extensions™) and Linux Mint 19 driver installation

As I have the 7th gen Intel CPU (i7-7700HQ) and in UEFI BIOS there is a possibility to Enable Intel® SGX™ (Software Guard Extensions™), I would like to do so. In order to do that, I am unsure, if I ...
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1answer
279 views

Sound issues after recent 4.18 kernel on Spectre x360

After upgrading to the 4.18 Linux kernel using Debian sid, I've been dealing with some sound issues that I haven't before the upgrade. After the laptop suspends, majority of the time (but not always) ...
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1answer
291 views

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 ...
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1answer
756 views

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 ...
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1answer
393 views

iwlwifi 5Ghz internet randomly lags for seconds

We recently upgrade our internet provider which now comes with 2.4Ghz and 5Ghz wifi. I can connect properly on 2.4Ghz while on 5Ghz I am experiencing random "lags" in the connection. More specifically,...
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1answer
95 views

What does SYSENTER do in 64-bit Long mode on Linux?

There is an x86 instruction sysenter. This seems to be the Intel fast-system-call method. SYSENTER seems to be valid in LONG mode (64-bit) on Intel processors. This seems to have fallen out of favor ...
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1answer
45 views

Is there a command to show whether my laptop graphics card (Intel) can support multiple monitors?

I'm wondering if there is a way to show whether my laptop can support two monitors. I have a laptop with Intel 2nd Generation Core Processor Family Integrated Graphics Controller running on a Lenovo ...
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1answer
86 views

Does GCC generate Bit Tests (x86 BT)?

Seaching through the GCC source, I see things like X86_TUNE_USE_BT TARGET_USE_BT My goal is to get an answer for myself whether or not GCC generates BT, BTS, BTR, and BTC. I started with BT and I ...
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1answer
3k views

What exactly does “Illegal instruction (core dumped)” mean? [duplicate]

I see a lot of solutions to resolving the problem exemplified by Illegal instruction (core dumped) But, I'm wondering what exactly that means? What generates that error, and what's the root cause ...
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0answers
520 views

Intel Pstate frequency limits are overridden

Problem : Run all core on minimum CPU frequency on Intel pstate driver on ubuntu 14. cpupower frequency-set --governor performance --max 1300MHz I am trying to run my cpu cores on different ...
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1answer
201 views

Who locks all monitor refresh rates?

I have got two monitors (in a "Join Displays" setup), an NVIDIA 1070 GTX mobile GPU, and GNOME 3 on OpenGL 4.6. The refresh rate of the laptop's built-in monitor is set to its maximum 120.02 Hz, and ...
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1answer
2k views

Change the cpufreq driver from intel pstate to acpi

I am trying to disable the intel pstate cpufreq driver and replace it with acpi to get maximum cpu control. I tried this. vim /etc/default/grub GRUB_CMDLINE_LINUX_DEFAULT="intel_pstate=disable quiet ...
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0answers
200 views

Scale down to a specific frequency on Ubuntu Linux 14 w/ Intel CPU

I am trying to scale down one of the CPU frequencies. I am using Ubuntu 14 and Linux kernel 4.4. I want to scale down the cpu3 frequency to 1.2 CONSTANT (no throttle). Things I have tried: I want ...
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1answer
427 views

Rolling back Intel-microcode updates and computer speed

I assume that Debian package intel-microcode packages gradually correct the various spectre and meltdown issues. From what I understand about these problems, the only way to correct them on existing ...
4
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1answer
936 views

What Linux kernel version(s) have a fix for the L1TF (Foreshadow) exploit?

Foreshadow is a new speculative execution exploit targeting Intel's SGX on Core chips What Linux kernel version(s) contain a fix for the L1TF exploit?
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0answers
2k views

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 ...
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3answers
3k views

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: ...
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1answer
1k views

Ryzen 3 2200u laptop linux compatibility [duplicate]

Do Ryzen 3 2200u laptops work without issues with stock install of Debian 9 or Ubuntu 18.04? I do not want to install nor patch nor compile! I have to choose between Core i3 6006u and Ryzen 3 2200u. ...
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0answers
681 views

iwlwifi: Could not load the [0] uCode section; Failed to run INIT ucode: -5

I'm getting this error occasionally when my device wakes up from suspend, iwlwifi: Log capacity -1515870811 is bogus, limit to 1 entries iwlwifi: Log write index -1515870811 is bogus, limit to 1 ...
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0answers
733 views

Do Ryzen 3 2200u laptops with Vega 3 work out of the box with major Linux distros? [closed]

Does a laptop with Ryzen 3 2200u and Vega 3 work without issues with stock install of Debian 9 or Ubuntu 18.04? I dont want to install drivers! Not to mention compile a patched kernel. I have to ...
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1answer
338 views

Should I have intel-microcode installed if my UEFI/BIOS is regularly updated (new machine)?

Hardware: Dell Inspiron 15 Gaming 7577, model number 7577-92774 (new machine). System: I am testing Linux Mint 19 Beta based on Ubuntu 18.04. I have an Intel Kaby Lake CPU: Intel© Core™ i7-7700HQ ...
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0answers
92 views

Iwlwifi (dvm), debugfs and fixing rate

In the source code of the iwlwifi dvm linux driver, there is a function named « rs_program_fix_rate » ( https://github.com/torvalds/linux/blob/master/drivers/net/wireless/intel/iwlwifi/dvm/rs.c#L334 ) ...
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1answer
1k views

Dual monitor problem Kali

I am having some problems with dual monitors. It works on Ubuntu but couldn't get it work on Kali. I have an Intel Graphics Card (VGA connected) and another VGA to NVIDIA GT730. At first the nvidia ...
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0answers
367 views

Setting up the iio-sensor-local for a Myria MY8307 2-in-1 laptop (Basically a Chuwi rebrand)

I recently aquired a Myria MY8307 laptop/tablet. I decided to give Kali a try but right after installing I ran into a problem. When the login shows up my screen is upside down, and it continues to be ...
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3answers
183 views

Is stealing a WiFi password possible using Spectre/Meltdown [duplicate]

I have an un-patched 32-bit PC (no microcode is available) running Ubuntu 16.04. If I will use just the guest account (not the administrator account) for browsing, would it be possible to steal the ...
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1answer
267 views

How to force 60 Hz in 1366x768 despite kernel bug after kernel 4.13?

If your screen resolution is 1366x768 and your Intel card is able to go down to 40 Hz screen refresh rate for power saving (and most modern laptops can, no matter how cheap) instead of the usual 60 Hz,...
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1answer
65 views

Does using the guest account in Ubuntu help for Spectre and Meltdown protection?

I was wondering if I use my computer running Ubuntu only for browsing while using the guest account on an unpatched PC logging in to any site I browse - will it be possible to steal any passwords ...
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1answer
196 views

Spectre Meltdown on 32-bit x86

I use an older 32-bit Intel Pentium Computer which is not getting any microcode updates. Anyway the PC is working just fine and I want to protect it against spectre/meltdown vulnerabilities. Is there ...
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0answers
202 views

Mapping between FDIR to RSS queues for Intel 82599ES

I am working with Intel 82599ES 10-Gigabit SFI/SFP+ NIC with linux 4.4.0-116-generic native ixgbe driver. I am wondering about flow indirection table coming with NIC which has 16 fdir queues. Those ...