Questions tagged [pci]

Peripheral Component Interconnect

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How can I reattach the PCI device when fell off the bus with `unknown header type 7f`

Recently my device experience network problem from time to time. In the end, I found one of the NIC may have some issue when using the r8169 driver and recent kernel updates: 6.0->6.2 I try to re-...
Wang's user avatar
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How to view I/O bridge in linux?

My laptop lenovo legion r7000 2020 env (with amd r7 4800h cpu): $ uname -a Linux CzgArch 6.3.8-arch1-1 #1 SMP PREEMPT_DYNAMIC Wed, 14 Jun 2023 20:10:31 +0000 x86_64 GNU/Linux Recently when I searched ...
An5Drama's user avatar
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APEI Generic Hardware Error on a linux sever on a PCI OCP

This error appears when executing a stress test on a server and already discarded the possibility of being a HW Issue(already replace OCP and entire conections to the OCP cables, boards, etc), haven't ...
Nathan's user avatar
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2 answers
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Bind/Unbind PCI device on the Ubuntu host

I have to NIC devices on the host: # list Ethernet PCI devices to find out names lspci -nn | grep Ethernet # 04:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI ...
Alexander Borochkin's user avatar
4 votes
1 answer
243 views

Predictable Network Interface Names

So, I've been looking into this systemd "Predictable Network Interface Names" for quite some time and got some understanding on how it works, but I can't for the love of Thor figure out the ...
sanosuke_kursch's user avatar
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2k views

Command to find if VT-d or IOMMU is supported or not in linux

I wanted to find out if my Linux server supports PCI passthrough. For that, I need to know if my CPU has VT-d or IOMMU enabled or not, but I couldn't find the way. The following is the lscpu command ...
Sumeet Boga's user avatar
-5 votes
4 answers
333 views

What is 25gb ethernet good for? [closed]

I've come across listings for 25gb NIC cards online, from various companies including Intel, Mellanox, and Broadcom. Can someone explain what these are for? Clearly the bandwidth these cards can ...
Gautam Goel's user avatar
1 vote
1 answer
3k views

How to check PCI type and version of free PCI slot in Linux shell

I know how to check how many PCI slots are not used yet on my server, by using dmidecode and looking for Available slots: # dmidecode [...] Handle 0x0014, DMI type 9, 13 bytes System Slot Information ...
Lucio Crusca's user avatar
-2 votes
1 answer
155 views

VMware ESXI - External PCI Ethernet Card [closed]

I have a beast of a home server and don’t fancy purchasing another device just to learn PFSense on my network. My server only has 1 Ethernet port, I have an external PCI card I bought off from amazon ...
LConner1997's user avatar
3 votes
2 answers
8k views

How to check if system supports 64-bit PCIe decoding?

In my motherboard's manual, I see the following under BIOS configuration Above 4G Decoding (Available if the system supports 64-bit PCI decoding) Select Enabled to decode a PCI device that ...
guest321's user avatar
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What's a simple method for conducting a manual scan for rogue ap detection?

We have a PCI requirement to conduct scans for rogue/unauthorized WAPs quarterly. Below are the properties I'm looking for. Simple to conduct. We have a satellite office, in addition to our main ...
sjl's user avatar
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PCI at NVIDA Tesla P 100 in shared pass through mode is disabled

I have successfully completed NVIDIA Tesla P100 Grid Setup on the vSphere Host Server with VMware ESXI 6.7.While trying to add PCI devices in the VM, the option to choose PCI devices is shown as in ...
Sarath Zacharia's user avatar
2 votes
1 answer
8k views

SSH Server Public Key Too Small

Customer has vendor who generates a Scan for PCI compliance on their Debian 8 server. Taken from their report: DSA keys and RSA keys shorter than 2048 bits are considered vulnerable. It is ...
sam452's user avatar
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What do the IDs of PCI devices refer to and which ones are relevent for setting up passthrough?

In setting up a domain with virsh, I had always assumed that the "slot" of a PCI card referred to which slot on the motherboard it was in. However, that seems not two be the case, cards in two ...
Stonecraft's user avatar
6 votes
2 answers
15k views

Cannot remove 'Server' header with request filtering

I need to remove the 'Server' header from all http requests coming to my IIS site due to PCI DSS scanning restrictions. I am running the latest version of Windows Server 2016 using the latest version ...
caesay's user avatar
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How to get PCI Tx/Rx byte counters?

I know how to read statistics about the configured network interfaces, for example via cat /proc/net/dev. Is there a way to read similar byte counters of PCI or PCIe traffic? Apparently, according ...
perde's user avatar
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-2 votes
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PCI Scan Fail on SSLv3 Supported port tcp/38933 [closed]

I got a PCI Scan Fail today on SSLv3 Supported port tcp/38933, tcp/40549 and tcp/41049. Any suggestions on what should I do?
Don's user avatar
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-1 votes
1 answer
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Execute PCI option rom, Network Controller on B:06/D:00/F:00 (motherboard Z10PE-D8-WS ACPI BIOS Revision 3101)

I have a motherboard Z10PE-D8-WS ACPI BIOS Revision 3101 which stuck at this screen I have not added any news devices, just a night before shutdown the system using power button instead of "sudo ...
DmitrySemenov's user avatar
1 vote
1 answer
334 views

Get firmware version for InfiniBand adapter from QLogic

How can I find the correct firmware version number for a QLogic InfiniBand adapter on a Debian server? ibstat displays an empty version number like so: Firmware version: Hardware version: 2 lspci -...
rookie099's user avatar
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4 votes
0 answers
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NVIDIA QUADRO M4000 vGPU - ESXI 6.0.3 - GPU Passthrough

I'm trying to do a GPU passthrough to a vm (2008 64bit r2) ESXI 6.0.3. After the GPU passthrough and installing the NVidia drivers. I have disabled the VMWARE SVGA. Now in the device manager it shows ...
user75464's user avatar
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2 votes
1 answer
8k views

SSL Security error with SQL Server 2016 sp1

I'm running SQL Server 2016 sp1 on a Windows Server 2012 r2 box. Supposedly, unlike earlier versions of SQL Server, SQL Server 2016 is compatible with TLS 1.2 right out of the box.... Right? Anyway,...
Michael Barber's user avatar
0 votes
1 answer
16k views

SSL Certificate - Signature Verification Failed Vulnerability

We ran PCI DSS External Vulnerability Scan on our website and the scan failed with many vulnerabilities, all of them are PCI severity: Low except one medium and another one high. The high one is: ...
Amr Elgarhy's user avatar
3 votes
2 answers
768 views

Booting from firmware-based PCI RAID controller in SeaBIOS

I had a server running Windows 2003 that resided on a RAID5 array formed by Promise FastTrak SX4100, which I thought was hardware-based because of its dedicated processor and buffer memory and its ...
Anton Samsonov's user avatar
1 vote
1 answer
2k views

Linux: Disabling Interrupt Coalescing for NVMe device

I'm looking at testing an NVMe device with interrupt coalescing enabled, and disabled. NVMe protocol defined interrupt coalescing parameters that can be passed to the device, and in free BSD the nvme ...
Martin's user avatar
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1 vote
1 answer
344 views

PCI addresses of 2 network ports differ only in "device function" field => they belong to the same NIC?

I have multiple 10G ethernet ports on my server. Here is lspci for some of them: 81:00.0 Ethernet controller: Intel Corporation 82599ES 10-Gigabit SFI/SFP+ Network Connection (rev 01) 81:00.1 ...
Necto's user avatar
  • 163
2 votes
1 answer
2k views

KVM/qemu/libvirt VM PCI Domain/Bus/Slot/Function assignment using virt-install

I am trying to create a VM using the virt-install utility and while that is easy enough to do what I would like to be able to do is proving quite difficult. I would like to be able to specify the ...
Shawn  's user avatar
6 votes
5 answers
3k views

What fiber optic network interface card do I need for a WAN connection

I'm thinking on building my own (micro-atx) router for business and personal projects at home. My question is what kind of network card do I need to receive the fiber optic connection? I'm currently ...
Chazy Chaz's user avatar
1 vote
2 answers
482 views

Confirm user_readenv is off in pam_env module

I firstly wanted to say "thank you!" for all the support that I have gained by reading the articles on this site - a major benefit for a web developer donning a sysadmin hat... We are currently ...
Jon Freynik's user avatar
0 votes
1 answer
927 views

Dell R430 Expansion Cards

I want to install a dual- or quad-port gigabit NIC card in a Dell riser card. The full-height slot is already populated with a Dell SAS HBA (green card in the photo.) Can I use the other side of the ...
Tedwin's user avatar
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3 votes
0 answers
2k views

Cannot balance eth0 IRQs across CPUs

I have servers which deal with a large number of network packets. I've seen evidence that user space processes running on CPU0 have their performance impacted when network load is high. I'm fairly ...
Andrew Parker's user avatar
4 votes
1 answer
5k views

lspci "Memory at..." vs /proc/bus/pci/devices BAR address

I have a userspace application that I use to write to the registers of a pci device. It takes the base memory address of the device as an argument. Instead of looking this up via lspci on each ...
Tanner's user avatar
  • 151
0 votes
1 answer
2k views

Bios Error on reboot Insuficient PCI Ressources xeon phi , supermicro-server

I currently have a problem with an supermicro-server with an intel xeon phi installed. Its an old server, but when I am logging in and checking for the xeon phi it is still recognized. When I am ...
Twinhand's user avatar
0 votes
2 answers
620 views

What kind of interface card do I need for a SCSI tape library?

I've recently come into possession of an Arcvault 24, a combination tape libary/LTO4 tape drive unit. It connects via a U320 SCSI link using HD68 wiring. The server that this library will be ...
Mikey T.K.'s user avatar
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3 votes
0 answers
1k views

KVM NIC passthrough "device already in use"

I have a server with 2 NICs 01:00.0 Ethernet controller: Intel Corporation Ethernet Controller 10-Gigabit X540-AT2 (rev 01) 01:00.1 Ethernet controller: Intel Corporation Ethernet Controller ...
Kaminek's user avatar
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0 votes
1 answer
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Can I use Emulex LP9802DC-E Dual Channel PCI-X host bus adapter to replace failed LP9002DC-E?

One LP9002DC-E HBA card has failed, and I have trouble finding an exact replacement. However, I was able to find a supplier for LP9802DC-E. From what I can understand on paper, the only substantial ...
user1985553's user avatar
-1 votes
2 answers
584 views

How to mask(alter) the apache version info

I am running a Apache Server version 2.22, which is upto date, but the PCI compliance report shows an error message, saying the apache version is obsolete and must upgrade it to latest version. I am ...
shrish's user avatar
  • 275
0 votes
0 answers
2k views

KVM - Graphics card passthrough

I am trying to passthrough a graphics card to a KVM guest but have been unsuccessful. The graphics cards has been attached and it does appear that the guest is aware of the card, I can see the kernel ...
supmethods's user avatar
0 votes
1 answer
885 views

Is it better to enable or disable SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS?

Title summarizes my question best. I am trying to make my ubuntu 10.0.4 server PCI compliant, and to do so, the last bullet on the list is to make sure it isn't vulnerable to the BEAST attack. To do ...
jperezov's user avatar
  • 133
7 votes
1 answer
468 views

PSTools psexec and PCI

I am just wondering if anyone knows of any reason why using psexec would cause the failure of a PCI DSS audit. I have never been able to find information, though have always been told that it can't ...
89okl's user avatar
  • 73
1 vote
1 answer
527 views

Why won't mutliple identical 56k fax modems work in Windows?

I've just installed two identical fax modems into a Windows Server 2003 Standard server and for whatever reason, the first one works fine and the other doesn't. They both create virtual COM ports and ...
Matty Brown's user avatar
1 vote
1 answer
1k views

Can FCLGA2011-based motherboards support PCI 3.0 on Ivy Bridge and quad channel memory?

This is not a shopping question. I want to know if my basis for technical dependencies is correct. In other words, I should investigate CPU support for certain features before getting lost in a ...
makerofthings7's user avatar
0 votes
1 answer
127 views

Dell Perc5/E and Poweredge 1950 PCI-X

Today I have been to my datacenter and could not put Perc5/E into PCI-X card, there is like 0,5mm difference in card length, so physically it does not fit. Do I need PCIe for this Perc? Btw. when ...
Wiggler Jtag's user avatar
-1 votes
1 answer
637 views

DVR capture card with 4 BNC ports [closed]

Hi I have a capture card and only things I can read from it is: 10104 on the board and 'Techwell TW6802" on the main chip I can't find a working driver anywhere. I can accept any sollution (Even a ...
catalin's user avatar
4 votes
1 answer
56 views

Does PCI for IA64 architecture require a different kind of PCI card or just a different kind of a driver?

I have a machine that is IA64 and it has a spot for PCI cards in it. I was wondering if the PCI cards in it can be just regular PCI cards, or if they have to be PCI cards that were built specifically ...
leeand00's user avatar
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15 votes
1 answer
11k views

finding PCIe lanes in linux

I have a PCIe (ver 2) linux system. I want to find out how many PCIe lanes were negotiated and are being used between my device and the host controller . (I do not know how many lanes my device ...
MK.'s user avatar
  • 305
0 votes
1 answer
945 views

PCI Extender and 1GB Ethernet Performance

One of my server has 2 PCI slots which has already plugged with 1GB Ethernet cards. I want to add two more 1GB NIC to this server. I've found on ebay this pci extender. I want to ask, because I didn'...
oruchreis's user avatar
  • 179
0 votes
2 answers
1k views

RAID 1, mixed size drives?

Hi I have a couple of windows systems that I wanted to install RAID 1 onto, I have purchased PCI express controller cards and extra drives, but here I made a mistake, one PC has an existing 3.5" 160Gb ...
Kevin's user avatar
  • 87
2 votes
2 answers
132 views

Raid controller for an old server [closed]

I'm trying to find a PCI Raid controller for an old machine that only has 64bit/33MHz PCI slots. It's now being used as a file server and uses a couple of old PATA drives with Windows Server ...
dfo's user avatar
  • 119
0 votes
1 answer
2k views

Will this PCI card fit into my server? [closed]

Sorry if this is a stupid question but I wanted to be sure before I purchased this PCI card. I have the server HP ProLiant DL380 G4 and I wanted to know if this card would fit. I have purchased a 3TB ...
Crazyd22's user avatar
  • 103
0 votes
1 answer
2k views

Need advice on which PCI SATA Controller Card to Purchase [closed]

I have a major issue with the build of a machine I am trying to get up and running. My goal is to create a file server that will service the needs of my software development, personal media storage ...
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