Questions tagged [intel]

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

118 questions with no upvoted or accepted answers
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8
votes
0answers
643 views

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....
6
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0answers
3k 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 ...
6
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0answers
7k views

Bluetooth firmware not loading for Intel 7260

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 ...
5
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1answer
1k views

No sound from speakers/headphones and no Mic on iMac 2019 (18,3) running Linux

My 2019 iMac (18,3) has no sound through the speakers/headphones and no Mic when running Linux: it works as expected on OSX. I am posting here because this appears to be a Linux issue, as I have ...
5
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0answers
5k 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 ...
5
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0answers
584 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 ...
5
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0answers
834 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 ...
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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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 ...
3
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0answers
37 views

How to monitor RAM ECC errors on i7-3612QE processor in Linux?

I would like to monitor the health of the DRAM on an industrial single-board computer with the following memory controller: $ lspci -nn | grep DRAM 00:00.0 Host bridge [0600]: Intel Corporation 3rd ...
3
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0answers
51 views

Can't access RAM from PCIe device

I use Intel Xeon with centos8 , kernel 4.18. There is also an FPGA connected to CPU through PCIe. The FPGA try to access RAM (through DMA) using physical address in RAM, but it fails in access. ...
3
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0answers
161 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 ...
3
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0answers
114 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
1k views

Hardware Frequency Steps - Intel P-State vs ACPI CPUFREQ

I have Intel Xeon Phi 7210 running CentOS 7 with kernel 3.10.0-514.el7.x86_64. I am comparing what frequency steps are available when I boot system into intel p-state vs when the system uses acpi ...
3
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0answers
232 views

Intel® Wireless 7265 device hangs when under load

i own a Dell XPS 13 9343 with a Intel 7265 Card. When i stress too much the card downloading some stuff the card stops working and i need to turn off/turn on the software switch manually. I'm ...
3
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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
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0answers
31 views

How can I get Ubuntu 14.04 to recognize my second monitor?

I know 14.04 is extremely out of date... but I use it for work. 2 monitors on 14.04 would be heavenly. My workstation has dual DisplayPort. Dual monitors work as expected on Windows 10. Switching to ...
2
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0answers
201 views

How to disable the integrated intel gpu?

I am operating a headless server and like to disable the integrated intel hd gpu in the systems Intel Core i5-7400T CPU to reduce power consumption. I cannot disable the GPU via BIOS, there is only ...
2
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0answers
1k 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 ...
2
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1answer
573 views

FreeBSD snd_hda configuring audio device

I have a Macbook Pro 11,3 with it's sound hardware on FreeBSD. With some help I was able to configure my hardware to have headphone output but internal speakers just does not work. Here is my original ...
2
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1answer
309 views

No sound in Debian 7

I've installed Debian 7 but there is no sound. The motherboard is H110M-D D3. Is there any way besides upgrading the kernel to make the audio work? I've tried the most common solutions (mute in ...
2
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0answers
527 views

Gnome shell on debian use to much resources

I recently install debian 8 on my system and install gnome. But after working for couple of minutes I notice that my battery is discharging very fast. So I check CPU usage and it using half of CPU ...
2
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0answers
849 views

intel driver on nvidia optimus laptop not recognizing internal display

I have a ThinkPad W520 laptop with an nVidia optimus display. I recently upgraded my linux system to linux-4.2.5 and nvidia-358 and now I cannot get the internal display to be available for X11. ...
2
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0answers
322 views

Emulated Graphics on Arch Linux?

I've made an installation of ArchLinux on a new HP Envy 13 (i5-6200U). I've configured the distribution to use GNOME for the Graphics Display Manager (GDM). My trouble is that for a new laptop, the ...
2
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0answers
827 views

How to disabled nvidia graphics card and start using intel hd 4600

I use UBuntu 14.04 LTS. I have cpu i4790k with hdgraphics 4600. How to disable my nvidia graphics card and start using intel hd 4600 ? Should I change something in bios or it is possible from the ...
2
votes
1answer
1k views

Can't change resolution to 1680x1050

I am installing Elementary OS (I had the same issue with plain Ubuntu and Fedora, Mint and some other distros) on a Sony VAIO VGC-JS1E/S and everything works perfectly OK except I cannot change the ...
2
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0answers
147 views

MD soft-raid to replace fake raid: How to get rid of old metadata?

I had a system running with fake RAID (Intel controller, imsm), which had some problems. Now I'm switching to the regular MD soft-RAID - I created a RAID 1 on /dev/sda1 and /dev/sdb1. Seems to work ...
2
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0answers
2k views

FreeBSD and i915KMS result in black screen

I only had 800*600 resolution when I installed xorg and openbox. I did some digging and I found out for Intel Corporation Xeon E3-1200 v2/3rd Gen Core processor DRAM Controller I have to active it. so ...
2
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0answers
2k views

Intel Advanced-N 6235 wireless monitor mode problem

As far as I know, iwlwifi drivers (and this particular wireless card) support monitor mode. The only requirement is to install the latest driver from http://wireless.kernel.org/en/users/Drivers/...
2
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1answer
414 views

Multiple display works in Linux Mint Live CD but not my Gentoo installation

I tried to connect a VGA display to my Gentoo laptop and use multi-display. However, the two screens behave like one big screen instead of two separate ones. That is, if I maximize a window, it ...
2
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0answers
2k views

*ERROR* timed out waiting for panel to power on

I'm using Ubuntu 13.04 on Asus VX6 (1.8GHz Atom - 2 cores, optimus nVidia ION) with Kernel 3.9.0. When I start my system I get this error: [ 15.728106] [drm:intel_enable_lvds] *ERROR* timed out ...
2
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0answers
4k views

hda-codec and hda-intel issues

I use Arch Linux 3.5.6-1-ARCH and since ever I get a lot of those error messages in dmesg on my HP Pavilion dv6 (pure systemd): [ 72.137821] hda-intel: spurious response 0x0:0x0, last cmd=0x370100 [...
2
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0answers
253 views

Graphics glitches when I open web pages

Whenever I'm browsing some websites, some graphics glitches appear, like in this screenshot: This happens with any Linux distribution that I use. Sometimes, the windows of these programs themselves ...
1
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0answers
49 views

libEGL warning: DRI2: failed to authenticate

When trying to run gnome-control-center, I get the following errors: libEGL warning: DRI3: Screen seems not DRI3 capable libEGL warning: DRI2: failed to authenticate gnome-control-center then ...
1
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0answers
55 views

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 ...
1
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0answers
165 views

Blutooth is is not working properly on Ubuntu 20 (intel wireless ac 9560 wifi + Bluetooth)

As my Bluetooth range is quite weak, I tried to disable inbuilt Bluetooth and use a dongle which didn't work. I tried to re enable my Bluetooth but it is just a blank screen: lspci output: 00:02.0 ...
1
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3answers
2k views

Intel AX200 ap-mode

Has anyone been successful in enabling ap-mode for Intel AX-200 WLAN adapters on the 5GHz band? After a few weeks of attempting and searching other forums there hasn't been a positive note yet that ...
1
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0answers
112 views

Intel CPU stepping - naming convention

I'm having trouble enabling IOMMU on Centos 8 (4.18.0-147.8.1.el8_1.x86_64) and I'm starting to think that my CPU doesn't support VT-d. On the Intel ARK page for my CPU it says "yes" for VT-x and VT-...
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0answers
10 views

No option to switch between gpu

I recently installed linux mint xfce and installed nvidia x server settings, but I can't see the option I can select intel. I remember I had this option in xubuntu.
1
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0answers
56 views

Why does my CPU frequency never get a Turboboost?

So it's an oldish machine Intel(R) Core(TM) i7-2630QM CPU @ 2.00GHz but it's supposed to go up to 2.8GHz If I 'watch' this, it never really changes much from 798MHz: # cat /proc/cpuinfo | grep "^[c]...
1
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1answer
2k views

How hyperthreading is useful in kvm based guest VM?

We are creating virtual os threads inside guest os but the actual physical core is on the host machine. Will hyperthread = true in guest VM config make any difference? I can visualize how ...
1
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0answers
177 views

Failed to recognize HDMI cable and purple screen Ubuntu 18.04

I am using notebook with the following specifications: Intel i7-8550U AMD radeon R7 (and Intel Integrated Graphics 620) Ubuntu 18.04 (dual boot windows) When I plug a hdmi cable nothing happens. I ...
1
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0answers
110 views

Debian 9 with Mate does not discover the second monitor

I have a laptop with devices inxi -Fi System: Host: Precision Kernel: 4.9.0-8-amd64 x86_64 (64 bit) Desktop: MATE 1.16.2 Distro: Debian GNU/Linux 9 (stretch) Machine: Device: ...
1
vote
0answers
71 views

Error “Attempt to create a HVM guest on a non-VT/AMDV platform” when Intel VT-d is enabled in BIOS

I'm installing XEN on an older Vernonia server with a Cloverdale VT-d compatible CPU, either an S5000XVNSATAR or S5000XVNSASR, a 2006 design with some documentation still available. This problem is ...
1
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0answers
91 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 ...
1
vote
1answer
235 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/...
1
vote
1answer
418 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 ...
1
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0answers
211 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 ) ...
1
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0answers
753 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 ...