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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63
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1answer
5k views

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 ...
26
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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: ...
11
votes
2answers
11k views

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 ...
10
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2answers
2k views

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 ...
9
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1answer
3k views

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,...
9
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1answer
292 views

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 ...
8
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2answers
3k views

Multiseat with one card and two Xorg instance [duplicate]

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/...
7
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1answer
300 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 ...
6
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4answers
7k views

MCE error: MCA: Internal parity error

I have an unstable machine running Ubuntu 14.04 LTS which passes 9 hours of memtest86. I get these: Hardware event. This is not a software error. MCE 0 CPU 1 BANK 0 TIME 1414735539 Fri Oct 31 17:05:...
6
votes
1answer
330 views

Does Linux forward packets from WiFi to the Intel AMT Management Engine?

I am running Linux on a ThinkPad laptop that is affected by the Intel AMT remote exploit. Here's the Intel advisory on the AMT remote exploit: https://security-center.intel.com/advisory.aspx?intelid=...
6
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2answers
5k views

Enabling 1366x768 resolution in Debian Wheezy on Atom D525 Board

For some reason, when I try to update to a modern version of Linux from Debian 6.0.7 or Ubuntu 10.0.4, I lose most of the resolutions that were available, including the native resolution of the panel ...
6
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1answer
5k views

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 ...
5
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3answers
18k views

Intel Ethernet Connection I219-V not working under Linux on an ASUSPRO B laptop, e1000e driver reports: “The NVM Checksum Is Not Valid”

I have a problem with an ASUSPRO B8430UA laptop: when I boot it with Ubuntu 16.04 (or NixOS 16.03) the Ethernet port does not work. The driver used is e1000e, it reports: $ dmesg | grep e1000e [ ...
5
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1answer
2k views

Hardware Timestamping using PTP

I'm new to Linux programming. I have an Intel NIC with e1000e driver. I'm working on accurate time stamping of packets being captured from a network. My question is if I want to use RT Linux how can ...
5
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2answers
7k views

Slow Wi-Fi on Intel N 6235

I have extremely slow Wi-Fi connection on my Linux Mint. The network controller is Intel Corporation Centrino Advanced-N 6235 (rev 24). I found on the Ubuntu wiki a fix: sudo rmmod iwlwifi && ...
5
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1answer
217 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 ...
5
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1answer
2k views

Networking problem with new Intel NUC

I recently got a new Intel NUC6i5SYH to replace my very old and not too powerful home server. I've installed XenServer 6.5.0 (as was on the old server) and plan to just copy over the VM's and other ...
5
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2answers
4k views

How to monitor RAM ECC errors on Ivy Bridge Xeon E3 processor in Linux?

How can I monitor if there are any errors in RAM that get corrected by ECC? The processor is an Intel Xeon (Ivy Bridge) processor, the operating system is Scientific Linux 6.3. On a previous system I ...
5
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1answer
1k views

What is the benefit of installing Intel drivers from 01.org?

Up to this point I assumed the graphics stack for Intel was open source and included in the standard repositories. However, I just became aware that Intel hosts their own special repositories of ...
5
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1answer
2k views

Linux USB Boot results in black screen

I'm trying to install Linux alongside Windows 8 on my new Asus Zenbook UX32VD, which has both an Intel HD 4000 and a NVidia 620M I've been having quite a few problems booting up linux via USB so I ...
5
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0answers
2k views

Set power limit to Intel rapl

Recent enough Intel processor use the Intel rapl driver for energy management. This driver makes use of two power limit, the short term power limit, that allows higher power for short term thanks to ...
5
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0answers
2k views

Xorg on skylake graphics hangs

I've bought msi gs40 that has intel i7 6700HQ which means integrated graphics hd 530. After a day of struggling I was able to start xorg with HD530. For this I addes i915 to initramfs and i915....
5
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0answers
8k views

Switchable graphics drivers installation on Linux Mint [closed]

Firstly, sorry if there is something unclear in my question but English is not my native language and I will correct the question if needed. Here is my problem: I have a notebook with ATI RADEON (...
5
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2answers
7k views

How to install Intel Graphics drivers for Mint 13

I have choppy video and my windows are choppy when I move them around. Also when my PC turns off monitor it does not turn off normally but like the cable was unplugged. I guess I need to install a ...
4
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2answers
3k views

Do all intel gpu's use software rendering (Mesa) only?

I was looking at :- $ glxinfo | grep OpenGL OpenGL vendor string: Intel Open Source Technology Center OpenGL renderer string: Mesa DRI Intel(R) Haswell Mobile OpenGL core profile version string: 3.3 ...
4
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1answer
468 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
votes
1answer
949 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?
4
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2answers
5k views

Understanding Machine Check Exceptions (MCE)

While trying to debug frequent freezes of my new laptop (KabyLake architecture) running Ubuntu 16.04 I've stumbled upon these entries in kern.log: kernel: [ 0.041634] mce: [Hardware Error]: ...
4
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3answers
5k views

LLVM error instead of 3D acceleration in Debian stable

I've installed Debian stable (Jessie) on a Acer Notebool (Aspire ES 15). If I try to start some programs (qtcreator, processing) I see: LLVM ERROR: Cannot select: intrinsic %llvm.x86.sse41.pblendvb ...
4
votes
1answer
991 views

What does iwa/iwl/iwm/iwn mean in FreeBSD?

I have a Lenovo Thinkpad T440 which I was looking to install FreeBSD on. The laptop has an Intel Dual Band Wireless-AC 7260 chip which doesn’t seem to be supported (yet). On my travels, researching ...
4
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1answer
835 views

Laptop running hotter on Mint than Windows

I've recently installed (dualboot) Linux Mint 18 on my Sony Vaio svt15115cxs and noticed that it's running louder than on windows, so I checked the temps, and found, that while under load (eg. ...
4
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0answers
412 views

Intel, DVMT & Linux: a question

In my Intel notebook BIOS I can change the amount of memory allocated to the integrated GPU (from 32MB to 512MB, via the selector "Pre-Allocated Memory"). My question is: Does Linux change the ...
4
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0answers
742 views

How to interpret perf -e cache-misses:pp?

I find the behavior of perf top -e cache-misses:pp -p <my_pid> quite confusing. I own an Intel i5-3230M, running kernel 4.4.5 64 bit. If I just run that commmand, I get basically no samples ...
3
votes
1answer
324 views

How does an “embargo” work in the context of Kernel development? [closed]

There has been a lot of noise about the newest Intel x86 vulnerability. I've seen posts on PostgreSQL, the Linux list, Intel, AMD -- all with vague mention of what's going on. I've seen a few pretty ...
3
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3answers
10k views

How to get dual graphic cards working under Linux?

My laptop is Dell Inspiron 5420, with two graphic cards: Intel HD Graphics 4000 Nvidia GeForce GT 630M I took the Thinkpad T400 configuration guide as an example to configure my Linux, but I only ...
3
votes
1answer
1k 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'...
3
votes
1answer
924 views

Two “Audio codecs” have 100% power usage in PowerTOP - what does this mean?

Should I be worried? My battery power doesn't last long (~1hr), could this be the reason? How can I fix this (if it has to be fixed at all)?
3
votes
1answer
2k views

How can I stop “Timed out waiting for forcewake old ack to clear”?

Running Arch Linux with Intel i915 and onboard Intel graphics. If I do a dmesg, I get line after line of "[drm:__gen6_gt_force_wake_mt_get] ERROR Timed out waiting for forcewake old ack to clear". ...
3
votes
1answer
931 views

i915 cannot work with nomodeset?

I'm trying to get X to work on a ThinkPad W530. I set the BIOS to only use the integrated graphics, I attempt to boot. The display goes blank when KMS is executed and does not recover. I append ...
3
votes
1answer
889 views

Test for monitor resolutions

I want to buy a new display device, but I don't know if it will be supported by my card because the weirder/higher resolutions: 2560 x 1080, or 2560 x 1440. Is there any method to create a virtual ...
3
votes
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 ...
3
votes
0answers
739 views

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

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 ...
3
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0answers
80 views

Is there any utility that can drop me into a Intel ME Minix shell?

I see a lot of talk about Intel -3 ring mode running Minix. Is there any easy C program I can compile, or utility I can run that will drop me into a -3 ring mode Minix shell?
3
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0answers
5k views

Bluetooth firmware not loading for Intel 7260 [solved]

I recently installed a Intel 7260 wireless module in the pcie slot of my ASUS N550jv CN270H laptop. The idea was to get bluetooth and wifi working flawlessly, as the originally installed atheros card ...
3
votes
1answer
1k views

Scaling issues of i7 3520M with intel_pstate module on Kernel 3.10.0

Few days ago I updated my openSUSE 12.3 system from Kernel 3.9.8-1.gf3348a8-desktop to 3.10.0-1.g3dcd746-desktop and since then, turbo mode of my i7 3520M is enabled by default and it does not ...
3
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0answers
6k views

Which driver for Intel HD Graphics should I install?

Recently, I have replaced my old motherboard Giga G41M + Pentium 5500 CPU with the new Giga B75M + Celeron G540 CPU. The old motherboard has an on-board GPU, Intel GMA X4500. The new motherboard has ...
2
votes
2answers
285 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-...
2
votes
1answer
870 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 ...
2
votes
1answer
5k views

Difference between `.sh` and `.csh`

I have just installed Intel Parallel Studio and would now like to set up system variables, so Terminal can find the compilers etc. In the installation guides tell me to run some included set-up ...
2
votes
1answer
49 views

Determine if Intel I processor or RAM has hardware failure?

I have the suspicion that either my Intel I2500K has a hardware problem or the RAM has a hardware problem. How can i determine if there is hardware failure or exclude that? EDIT: The processor has a ...