Questions tagged [intel]

This tag should be used for questions about Intel based server platforms, software and others related specifically to hardware and software from the Intel Corporation.

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15 views

No output on screen when using a Supermicro board with Intel CPU with integrated graphics

Ahoi, I got a Supermicro X11SSH-LN4F here with a Xeon E3-1275v6 which has an integrated graphics adapter. I know that only the integrated Aspeed grafics on the supermicro board is connected to the ...
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Intel Xeon E5-2630L Vs E-2124

I have a dedicated web server with a web hosting company and am looking to move to a cheaper (saving about 35%) offering, but am concerned about possible performance issues. It's running FreeBSD/...
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linux 10gbe ixgbe (intel X550T) slow at 420mbyte/s max, p2p lan cat8 1m, tried ethtool and ifconfig options to no avail

first time dealing with 10gbe. I have two boxes, one is older with i7 2.8ghz from 2009 generation, pcie 2.0 and I just put the Intel X550T there to make use of absolutely similar but builtin adapter ...
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32 views

LUKS hangs on CentOS running on Atom C3758 CPU

Whenever I try to setup LUKS on my CentOS install on a Supermicro A2SDi-8C-HLN4F motherboard (Intel ATOM CPU C3758), everything seems to work fine until the process completely freezes when creating ...
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Stongswan IPsec acceleration support for Intel Quick Assist Technology

I have been trying to accelerate the speed of IPsec connection between two VMS (using QAT VFs) on a DELL node with 3 QAT devices (C62xx). Is there any default support for QAT in Stongswan IPSec? Also, ...
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24 views

Will an E5-2660 be a major improvement over a Q9550 for a webserver?

I have an old production server that runs Debian on a Q9550 CPU. I want to upgrade the server but I am on a very tight budget. I can't spend more than around $600. I can get a refurbished HP ProLiant ...
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2020: Why do people use expensive rack servers when desktop/mini pcs are way cheaper? [closed]

First of all, it's 2020... not 2010. A DELL R240 (The lowest end server) costs about $1500. A small/mini desktop pc which is at least 3x faster costs only $500 (Example the Intel NUC) Also to note:...
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Unable to enable cache disk in Intel Rapid Storage Technology

Okay, this is driving nuts: I have a Dell XPS 8910SE that was originally running Windows 10 Pro 1809. The OS disk was using Intel Rapid Storage Technology for a RAID1 array, and an m.2 SATA SSD as a ...
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Can I “debug” Intels' SDR Fan Speed and thermal control?

I have an Intel mainboard inside an Intel chassis. When using the Intel chassis, the fan speed calculations are not meant to be influenced by the user. The BMC uses various IPMI sensors as input ...
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78 views

Intel® Xeon® Processor E5-2690 vs Intel® Xeon® Processor E5-2690v2 [closed]

I have a Fujitsu Primergy RX300 S7 . I've already checked the "official" documents , and called the "official" support to ask if I can install a E5-2690v2 . I was told that Fujitsu only tested their ...
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Intel RST Raid 5 with 6 HDDs incredible slow

maybe someone can help. Since I upgrade our Raid5 from 4 to 6 HDDs the write-performance is VERY poor. Read is more than 700 MB/s but write is less than 30 MB/s Cache-Modus is Write-Back System ...
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Updating microcode with combined kenel/initramfs

I'm running a system that boots to a .efi image that contains the kernel and the initramfs (unified kernel image). It is based on centos 7, 64 bit, with an Intel processor. I know that with a separate ...
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277 views

Intel microcode not updating, where do I look to see what's failing?

I've rebooted the server multiple times for kernel updates, but the microcode doesn't update. I've tried manually initiating it with echo 1 > /sys/devices/system/cpu/microcode/reload, etc. steps. ...
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Ubuntu 18.04 LTS detects there is an MDS CPU bug present and SMT on, data leak possible. what do I do about it?

On examining my system log I found the following entry: Oct 23 10:38:00 kernel: [0.xxxx] MDS CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/...
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140 views

What does orange light on power supply mean?

I have an Intel® Server System P4000CP Family. Today I've discovered that one of power supply has green light, second power supply has orange light. What does it mean?
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96 views

Lenovo T495/Intel Wireless-AC 9260

We just switched to the T495 from the A485 as our laptop of choice. We are imaging them to Win10x64 1903 using SCCM, with the drivers provided by Lenovo. The wifi (Intel Wireless-AC 9260) is not ...
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302 views

Where to find list of possible arguments for ethtool -K?

When I want to disable/enable interface features with the ethtool -K command, how can I list all available options? When I run ethtool -k I see a list of options, but I don't know the equivalent ...
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140 views

Intel XEON 9th generation on socket LGA 1151 (“H4”) and Windows Server 2012 R2

I'm about to buy a INTEL Xeon E-2246G (if I'm lucky to get one here) and put it into MSI MB Sc LGA1151 Z370-A PRO (https://www.msi.com/Motherboard/Z370-A-PRO) and I have two uncertainties: Does "1151"...
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Information about Intel(R) Xeon(R) Platinum 8151 CPU @ 3.40GHz used in some AWS EC2 instances?

I started zd1.metal AWS instance and got this output from lscpu commmand: ... Model name: Intel(R) Xeon(R) Platinum 8151 CPU @ 3.40GHz ... but when I google this processor I can not find ...
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VAAPI on headless system

We run a hosted box with Intel Corporation HD Graphics 630. We have there Debian Buster with i965-va-driver-shaders and intel-media-va-driver-non-free installed. We are able to do hardware-accelerated ...
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I have code compiled for Intel i7: how can I know which Xeon processors it could run on?

I have code compiled for Intel i7: how can I know which Xeon processors it could run on? There seems to be no clear way to know. I developed these rules-of-thumb, but am unsure if they suffice. The ...
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How can I determine whether I'm vulnerable to SPECTRE/Meltdown/L1TF on Ubuntu

I'm running Ubuntu 18.04, and I have the following linux-image and intel-microcode packages: ii linux-image-4.18.0-17-generic 4.18.0-17.18~18.04.1 amd64 Signed ...
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249 views

cpu clock drops under load

So I have this Dual Intel Silver 4116 CPU server that will set the MHz to 132 randomly, the server becomes unusable after that point. Even reboots don't restore the MHz, only driving to the data ...
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189 views

Connecting Intel X722 SFP+ to Mellanox SX1012 QSFP via 4-split breakout cable using ubuntu

I have two servers running Ubuntu 18.04, each equipped with two SFP+ interfaces, each showing up in lshw like the following. *-network:1 description: Ethernet interface product: ...
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199 views

VLAN support for Intel Desktop MT1000?

I have set up a VLAN DHCP server using Linux which works fine without a VLAN so now I'm trying to create VLAN then tagging to my windows client VM(Windows 10). I have an Education version of Windows ...
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1answer
53 views

Can I replace one Intel Xeon e5-2603v3 with dual E5-2690v4 on HPE server?

I've got an entry level HPE SRV 778640R-B21 which supports dual CPU but comes with an E5-2603v3 (LGA2011-3 / DDR4). It has also 550W power supply. I want to remove the current cpu and add a pair of ...
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2k views

Error in enbling SR-IOV with Ubuntu 18.04 on Intel ixgbe - Intel X550 - Dell R640

I'm having issues on creating VF with ubuntu 18.04. SR-IOV is enabled from BIOS, the NIC are Intel X550, I added intel_iommu=on to /etc/default/grub and also tried using modprobe.d by adding options ...
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3k views

Proxmox 5.2 Gemini Lake and IGD (graphics) pass through for Ubuntu 18

I’m trying to set up a fresh install of Proxmox 5.2 on Gemini Lake and I would like to configure a VM with IGD (graphics) passthrough for Ubuntu 18 Computer-based on ASRock J4105-ITX asrock.com/mb/...
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109 views

CPU temp - Dell vs Intel

I'm troubleshooting a DELL PowerEdge M630 (VRTX). I see CPU temp reaching at least as high as 74C. Dell says it is good until 85C. I looked up the CPU specs on Intel's site, and they say 74C is the ...
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mixing Intel CPU of same FCLGA socket type and scalability?

I have a 4 socket server, calling for FCLGA 2011-3. It was built using four Intel E5-4667v3 (16 cores). If one cpu fails, can it be replaced with one E5-4667v4 (18 cores) and still work with the 3 ...
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2k views

weird windows 7 update Intel Display

I have this weird update in windows update on windows 7. Full details from windows update: Intel Corporation - Display - 12/14/2017 12:00:00 AM - 10.18.14.4889 Download size: 86.7 MB ...
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Intel Driver & Support Assistant installs Root CA into Trusted Root CAs

The Intel Driver & Support Assistant (DSA) appears to install a Root CA certificate into the Trusted Root CAs of Windows 10 Pro. DSA was installed in 2018. Sysinternals sigcheck reports: Listing ...
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908 views

Memcpy bandwidth ~1.6x faster on 1 vs 2 socket Intel Scalable (Skylake)?

I'm in the process of porting a complex performance oriented application to run on a new dual socket machine. I encountered some performance anomalies while doing so and, after much experimentation, ...
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2k views

Unexpected and unexplained slow (and unusual) memory performance with Xeon Skylake SMP

We've been testing a server using 2x Xeon Gold 6154 CPUs with a Supermicro X11DPH-I motherboard, and 96GB RAM, and found some very strange performance issues surrounding memory when compared to ...
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65 views

Core ids are not consecutive

I encountered a weird situation on a 28-core Intel Skylake system (kernel: 4.4.0-121-generic #145-Ubuntu SMP, hyperthreading is disabled): cat /proc/cpuinfo |grep "core id" core id : 0 core id ...
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300 views

Redhat vs Oracle Linux benchmarks

I have two servers, both have Intel 8160 processor, 768 GB memory, same hardware specs, same software/package versions. The only difference being that one is running RedHat Enterprise Linux 7 and the ...
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1answer
2k views

Intel Xeon 6134 + One DIMM per channel or two DIMMs per channel for maximum memory bandwidth?

I'm unable to find this critical piece of information in spec sheets. Appreciate any insight. We're purchasing servers for HPC work with intel Xeon Gold 6134 (Skylake) cpus I want maximum memory ...
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209 views

Linux boot stuck on a server running Xeon L5420

I have this relatively old Supermicro server with m/b X7DBR-3, it has dual Xeon L5420 cpu and 32G ECC memory. I am trying to install Linux on it, tried both Ubuntu 16.04.4 and CentOS 7 (the ...
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122 views

Understanding Intel HTT

System 1: Notebook Detect the installed CPU: $ cat /proc/cpuinfo | grep "model name" | head -1 model name : Intel(R) Core(TM) i5-2520M CPU @ 2.50GHz The data sheet says: no. of Cores 2 no. of ...
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141 views

Intel Scalable Processors

this should be a pretty straight forward question but might come out as ambiguous (might also be the wrong place to ask). I've been researching the newest and bluest Dell Poweredge and HPE server ...
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409 views

How many cores are in Amazon's m4.16xlarge node?

Amazon's marketing materials claim that the m4.16xlarge node has 64 vCPU. When I look at /proc/cpuinfo on the system, however, I get the following information: 64 CPUs (CPU 0 .. 63) cpu cores: 16 ...
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9k views

using correct number of DIMMS for best memory performance Intel Xeon scalable cpu

I am trying to understand what I guess is called a balanced memory configuration. For the newest cpu's from Intel at this point in time, January 2018 which are for example Xeon 8180 and Xeon 6154, ...
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1answer
413 views

Low random read IOPS intel dc s4500

i have very bad read performance on my new intel ssd. My configuration is: HP proliant DL360e gen8 with Smart Array P222 controler. Intel ssd dc s4500 960GB 64GB ram 2x Intel cpu I have 2x SAS HDD ...
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334 views

No traffic to the VM

TL;DR (1) Only the first 2 VFs are transferred to the VM and (2) No traffic to the VM. Setup Host is Ubuntu 16.04 Intel 82599 (supports SR-IOV) attached via PCIe Driver ixgbe Guest VM is Ubuntu ...
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1answer
712 views

Xeon Processor or Corei7 for Mysql as a Database Server? [duplicate]

I have a wordpress database (4GB). I have two servers with the following spec: Processor Cores RAM HDD DBMS 1. Xeon X5650 2.6GHz 6 64GB 250GB SSD Mariadb ...
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2answers
518 views

Intel Xeon Gold 6140 and Windows 10

Can I use following setup with Windows 10 or do I need Windows Server? CPU - 1x Intel® Xeon® Gold 6140 Processor MB - ASUS WS-C621E-SAGE
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1answer
293 views

Lenovo ThinkStation P310 headless AMT/KVM

Model:30AT0054PB (ThinkStation P310) SN: S4AM6910 BIOS rev: FWKT80A ME Firmware rev: 11.0.27.3000 Has anybody have any success with running VNC via KVM/AMT connection to P310 in headless mode (...
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555 views

How can I use Intel Management Engine on Gigabyte motherboard? [closed]

How can I use Intel Management Engine on Gigabyte motherboard? I installed it from official Gigabyte website in drivers section for my motherboard Gigabyte X299 UD4 but no one executable appeared ...
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1answer
192 views

CPU core id values not contiguous

I am trying to understand the "core_id" sequence reported. My machine has 2 sockets, 20 cores and hyperthreading enabled (80 CPU). I am looking at the "core_id" values which are reported using: root@...
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1answer
138 views

Transfer Speed Sudden Drop on Intel Raid Card between (2) 4 SSD Raid 0 Arrays

Preface; I have done hours of trouble shooting on this issue and simply cannot find out what the sudden "bottleneck" is. I have (2) 4 SSD Disk Raid 0 Arrays (3.8TB Each). They are run off a single ...

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