14
votes
USB drive not detected in Intel EFI shell
Fantastic.
I had this problem with a Fedora 22 Live image on an USB stick created as per UEFI boot of USB sticks using
livecd-iso-to-disk --efi --format --reset-mbr Fedora-Live-Xfce-x86_64-22-3.iso /...
- 940
13
votes
Intel USB 3.0 eXtensible Host Controller - Exceeded Number of Supported Devices?
There is a hardware limit of 96 endpoints on most Intel XHCI controllers. It wouldn't surprise me if each camera is using 8 endpoints, that's a pretty typical number for complex, modern devices. The ...
- 31.4k
9
votes
Accepted
Disable internal Intel X710 LLDP agent
OK. So the Googles came through for me. Here's how to fix the issue.
Turns out that in order to use the debug filesystem, it needs to be mounted first. We're using a memfs OS to run commands on the ...
- 335
7
votes
Accepted
Best practice to disable SpeedStep for Hyper-V hosts?
After a bit more searching it seems like this is a general problem with modern server CPUs, even unrelated to virtualization, and major server vendors as well as software vendors like Microsoft and ...
5
votes
Accepted
Does disabling VT-d and interrupt remapping break MSI-X?
Yes. MSI-X needs interrupt remapping enabled to fully work.
From a Intel PDF:
Intel® Virtualization Technology for Directed I/O
Architecture Specification
October 2014
5.1 Interrupt Remapping
The ...
- 3,436
5
votes
Disable internal Intel X710 LLDP agent
It's a Firmware feature that can be toggled off
Since October 13, 2017, Intel released a version of their driver 2.3.6 that support toggling off the LLDP handling using a private-flag. This is done ...
5
votes
Accepted
Intel IMSM firmware with added PCIe Controller
Yes, you can do that. However for anything being pretty decent (ZFS or Storage Spaces) you don't want any fake RAID. Go for simple HBA (LSI has ones for sure) passing disks AS IS.
- 12.7k
5
votes
using correct number of DIMMS for best memory performance Intel Xeon scalable cpu
Basically, the CPU has the fastest memory access with one DIMM per channel.
Adding more DIMMs increases the load on the memory bus and may decrease the RAM clock.
Dual-rank and quad-rank DIMMs cause ...
- 9,232
4
votes
Accepted
Bloomfield CPU without Intel VT-x
The hypervisor flag shows this is a virtual machine so the vmx flag won't show inside it unless you enable additional options in the hypervisor to allow nested virtualisation.
- 8,158
4
votes
Accepted
Dell R410 and X5690 wont boot
The X5690 has a TDP of 130 W which means it is unsupported with this server. See ftp://ftp.dell.com/Manuals/all-products/esuprt_ser_stor_net/esuprt_poweredge/poweredge-r410_User%27s%20Guide6_en-us.pdf ...
- 98k
4
votes
Disable internal Intel X710 LLDP agent
Created an init script to do this on start up of a machine. Any pull requests appreciated.
If anyone knows how to tell the status of the embedded lldp agent it would be appreciated. This could be ...
- 333
4
votes
2020: Why do people use expensive rack servers when desktop/mini pcs are way cheaper?
Not sure about the comment of 'lowest end server' - a quick Google gave this Dell T30 as the first result for £406.98 (= $533.76, at least until the end of the month when Brexit hits the economy and ...
- 502
3
votes
Accepted
Intel AMT KVM: Accessing Multiple Servers Behind One Public IP Address
Set yourself up with a VPN connection to the remote site.
- 382
3
votes
Is an ECC ram enabled GPU necessary for a server, or will a normal gpu work fine in a server?
GPU ECC RAM is not a strict requirement for any server; it is in no mode correlated to the use of ECC system RAM.
Still, in some circumstances, GPU with ECC memories are strongly preferred. Basically, ...
- 45.4k
3
votes
cat /proc/cpuinfo shows 3.00GHz model but 1400.000 cpu MHz?
This is due to a service enabled in Linux.
Its is a service called "cpuspeed".
If this service is enabled it will decrease the clock speed as the temperature rises on the processors.
Hence you just ...
3
votes
Virtaul machines on Intel Xeon e5420 cpu
The Intel Xeon E5420 CPU has 4 cores, as clearly documented here; it doesn't support hyperthreading, thus it can run a maximum of 4 concurrent threads.
This of course doesn't mean anything in terms ...
- 69.5k
3
votes
Accepted
Why does Intel have multiple Linux USB vendor IDs?
USB Vendor IDs are assigned by the USB Implementers Forum, the usb.ids file is just the way how your system knows about that.
So if Intel has bought 3 vendor IDs (they are 5k$ a piece), it will ...
- 489
3
votes
Disable internal Intel X710 LLDP agent
As the ethtool toggle does not seems to be persistent across reboots we've setup following udev rule.
/etc/udev/rules.d/10-disable-fw-lldp.rules:
ACTION=="add", SUBSYSTEM=="net", ...
- 35
3
votes
Accepted
Can I mix ECC RDIMMs with different rank?
It did work, and it seems to be stable too. I now have six KVR13R9D4/8I DIMMs and six KVR16R11S4/8I DIMMs plugged into the same S5520SC motherboard. The KVR16R11S4/8I DIMMs were plugged into the ...
- 159
3
votes
LSI updater appears to have updated my Intel SSD, now cant recognise it - what to do?
That's unfortunate.
The Intel 910 PCIe SSD is comprised of multiple Intel SSDs behind an LSI2008 SAS controller. This is the same controller used by the LSI 9211 HBAs, so at some point in your ...
- 196k
3
votes
What is "Node Composing" in Intel RSD?
In my opinion, "Node Composing" in intelRSD is not real virtualization.
As mentioned in "pod-manager-api-specification":
Currently a user can request allocation of a single node with a single ...
- 131
3
votes
Sending graceful shutdown via AMT to intel NUC
Intel made this super complicated.
While a reasonable person could think that you can maybe do something half simple, like this:
wsman invoke -a RequestPowerStateChange http://schemas.dmtf.org/wbem/...
- 241
3
votes
Accepted
Raw Read Error Rate for Intel SSDs
The Raw Read Error Rate field is often formatted in a proprietary, undisclosed manner, or entirely used to codify other information. In short, don't pay attention to the raw value by itself.
Rather, ...
- 45.4k
3
votes
Accepted
How many cores are in Amazon's m4.16xlarge node?
/proc/cpuinfo reports each hyperthread as a CPU.
The E5-2686 v4 processor has 18 cores and 36 hyperthreads.
You should have access to 16 cores (presumably called core id 0 through 15) on physical ...
- 22.4k
3
votes
Accepted
Error in enbling SR-IOV with Ubuntu 18.04 on Intel ixgbe - Intel X550 - Dell R640
I solved this, was a lack of documentation from Dell side.
I had to enable also SR-IOV for each NIC, in the Device Settigs from the System Configuration, the global enabler is not enough.
- 61
3
votes
I have code compiled for Intel i7: how can I know which Xeon processors it could run on?
To get an idea on what processsor the binary can run it is important to look up the cpu flags. In this case:
https://gcc.gnu.org/onlinedocs/gcc/x86-Options.html
nehalem
Intel Nehalem CPU with 64-...
- 3,878
3
votes
Accepted
Information about Intel(R) Xeon(R) Platinum 8151 CPU @ 3.40GHz used in some AWS EC2 instances?
Custom cloud SKU, possibly AWS only. Edit: Not even on wikichip.org, which leaked some other AWS models. Not on ARK certainly implies custom.
Platinum 8100 series indicates a high end Skylake SP. ...
- 31k
3
votes
Accepted
What does orange light on power supply mean?
https://www.intel.com/content/www/us/en/support/articles/000007372/server-products/server-chassis.html
The system Power Supply is in a degraded or in a failed state if any
of the following is ...
- 129
3
votes
Accepted
Intel Xeon E5-2630L Vs E-2124
Short answer: the newer CPU, while having less cores, is faster then the previous one.
Long answer: the Xeon E5-2630L v2 is an oldish Ivy Bridge CPU, running at 2.4 GHz base clock and 2.8 GHz turbo ...
- 45.4k
2
votes
Intel USB 3.0 eXtensible Host Controller - Exceeded Number of Supported Devices?
First: i do not know if there might be a bug/feature limit on your USB host controller or spec limitation (in case of devices, hubs in row) change in USB2 vs USB3 (Davids Answer seems to show the ...
- 2,851
Only top scored, non community-wiki answers of a minimum length are eligible