Questions tagged [pci]

PCI Local Bus standard is a computer bus for attaching hardware devices in a computer. This tag should be used for working with these devices, setting them up and troubleshooting their issues on Ubuntu.

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Ubuntu 20.04 - High load on CPU because of IRQ 126

HP Pavilion - 14-al103ne Ubuntu 20.04 'top' command shows irq/126-aerdrv always running eating a lot of CPU.Top screenshot 'powertop' and 'cat /proc/interrupts' also attached. Interrupts and ...
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PCI mini card dvb-t reciver

I am running Ubuntu 19.10 and I am trying to get my pci mini card dvb-t2 reciver to work. Here are the results from sudo lspci -v 0c:00.0 Multimedia video controller: Conexant Systems, Inc. CX23885 ...
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I need to change a PCI bus number for my NIC. (SETPCI)

after running lspci | grep net -i I have discovered that my NIC sits on the following bus:- 00:14.3 Network controller how can I make it sit on any other bus ID ? lets say for Ex. 00:01.0 instead ...
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AER error : Bad TLP

I run a Desktop computer with an amd RX570 graphics card mounted with a riser cable (so not plugged directly on the slot). The computer is running since a month and I got AER messages at boot. Most of ...
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PCI-E Devices not Detected in 20.04

I have been using Ubuntu 19.10 since it came out without issue for my home server. Today I upgraded to Ubuntu 20.04 LTS and the system no longer detects my Mellanox ConnectX-2 and my LSI 9207-8i (two ...
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How to configure Hardware RAID PCI VT6421?

I am playing with an Ubuntu 18.04 Home Server for some time now and found this RAID controller VT6421. I am not very experienced with configuring hardware in Ubuntu and was not able to find a solution ...
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Ubunutu 18.04 installation issue

while trying to install Ubuntu 18.04 from a live USB (the system was previously Windows and I opted to erase Windows) I encountered the issue described in this post. As instructed in that post, I ...
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How do I get past the boot error: failed to fetch board data for bus=pci,vendor=168c,…?

I have an Ubuntu 16.04 64 bit installed (via dual boot) on a Dell Inspiron 15 3000. Every time I try to boot into Ubuntu, this error comes up, and I'm driven into emergency mode. The error This ...
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378 views

could not install pci config handler for root bridge pci0

Before booting up Ubuntu 18.04.3 LTS on my Thinkpad T480s, this message appears with "could not install pci config handler for root bridge pci0" among the text. I tried googling, but I wasn't abble ...
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Since 19.10 upgrade suspected graphics problem ACPI PCI ERROR

Since updating to 19.10 I've had a problem with the screen going blank after I log in. For a brief moment unusual colours flash and multi coloured pixels appear at the top of the screen before it goes ...
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Pci ethernet , USB ethernet vs Wired Connection

I would like to know why all of the sudden one of our AIO pc's with Ubuntu 18.04 says it has an usb ethernet and PCI Ethernet connection and all the others only show Wired Connection. It's just a ...
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232 views

SD card insert/remove behaviors not detected until running lspci command

Whenever I insert/remove SD card, my ubuntu doesn't recognize those behaviors automatically. I have to run lspci command to manually tell ubuntu about the hardware change. I want to make my ubuntu ...
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D-Link DGE-530T PCIe card installation

Do I need to install a driver for a D-Link DGE-530T PCIe card? I plugged in the card (support link) and restarted Ubuntu. 1) Do I really need to install a driver for it or there is native support ...
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504 views

What is a PCI device?

When I run the man lspci command, I get: lspci - list all PCI devices But I don't know what a PCI device is. Can anyone explain?
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PCI Passthrough Error

I am following this article to do a PCI passthrough, but I get the following error message. $ VBoxManage modifyvm 'Windows 10 VM' --pciattach 1d:00.0 VBoxManage: error: Host PCI attachment only ...
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2 suspicious «non existent» tasks named 0000:06:00.0_di and 0000:06:00.0_ev. What are they?

In an UBUNTU 18.04 installation here are two suspicious «non existent» tasks named 0000:06:00.0_di and 0000:06:00.0_ev. Log indicates that a problematic pci 0000:06:00.0 exists, but still there is no ...
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Disable PCI wifi to use USB wifi

I own a hp laptop with pci realtek wifi adapter that's dosen't really catch any signal, so i got a TP Link TL-WN725N that works really well. My problem is that both wifi adapters are active and that ...
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edit grub in Windows

I edited the grub file to include "pci=noacpi". Then each time I choose to enter Ubuntu (which is installed alongside with Win 10), it is just purple screen, refusing to enter Ubuntu. I'm wondering ...
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217 views

Cannot set the screen brightness via PCI

I was trying to use xbacklight to set my monitor brightness under the i3-wm. But nothing was happening after typing: xbacklight -dec 10 To investigate I tried to set the brightness via the PCI bus ...
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“upowerd[4116]: unhandled action 'bind'” messages filling up syslog

On a laptop with Ubuntu 18.04, /var/log/syslog gets new block of the four following messages about 5 times per second: Aug 29 19:17:17 my_hostname systemd-udevd[336]: Process 'hid2hci --method=dell --...
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407 views

Passthrough of Radeon 5450 to windows cannot allocate resources

I try to passthrough a Radeon 5450 GPU to a Win 7 guest from a Ubuntu 18.04 hots. I'm using machine type q35 when creating the VM with virt-manager because I read that it should be better for ...
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Anybody managed to run Linux and KVM Windows with a single passthrough graphics card?

I have a Ubuntu system that runs FreeNAS in a KVM with one SATA controller card as passthrough. Because of that I only have one PCIe slot on my motherboard that fits a graphic card. I would now like ...
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499 views

Help please with XEN PCI-device passthough

I have problem with PCI passthough in XEN. kernel: 4.15.0-23-generic CPU: Intel Core i7 - saw specifications on Intel website: it supports VT-d, VT-x and all other technologies! Checking XEN is ...
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2k views

Ubuntu 18. wifi won't authenticate

Using Ubuntu 18.04 on a Dell Vostro. Wifi has been working fine for several months, including on release 18.xx. Suddenly it will not connect to my wifi network that it has been connecting to for ...
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991 views

What does pci=nomsi do inside Linux?

I understand that nomsi has this definition: nomsi: [MSI] If the PCI_MSI kernel config parameter is enabled, this kernel boot option can be used to disable the use of MSI interrupts system-wide. This ...
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148 views

Has PCIe related issues with Threadripper resolved?

I recall that few months ago, there were some issues related to PCIe on Threadripper based Ubuntu systems. Have those issues been resolved?
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Error-grub:PCIe Bus Error: severity=Corrected, type=Physical Layer, id=00e5(Receiver ID)

I have install 16.04 Ubuntu OS beside with Windows 10 on my laptop. When I start my laptop or use dmesg command on terminal. I always get this error log pcieport 0000:00:1c.5: PCIe Bus Error: ...
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577 views

qemu/kvm snapshot with non-usb device

I have a fully-working QEMU virtual machine (ubutu host, XP guest). I cannot save the machine state into a snapshot because I have a PCIe card attached to the VM. The error message says «Requested ...
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378 views

Preserve /etc/network/interfaces configuration when changing PCIe cards

I have several NICs in my Ubuntu 16.04 box (3 of them at the moment). As best I can tell their names are related to their PCIe names. My problem is that when I add or remove a card of any type (...
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572 views

Blacklist amdgpu?

I'm having trouble with PCI Passthrough on 16.04 LTS. I have one nVidia card, and one AMD card. I want to pass the AMD card to qemu, but I need to blacklist the amdgppu module, the trrouble is, after ...
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Ubuntu 16.04 LTS won't recognise AMD R9 290 using PCI riser

I've installed amdgpu-pro, nothing changes doesn't show in clinfo or lspci. IF I plug GPU directly into mobo (no riser) the card is listed in lspci. GIGABYTE GA Z170X UD3 v1 should I be installing ...
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running into PCI resource allocation issues 17.10 kernel 4.13.0-16-generic 64bit

My desktop is a MacPro6,1 Desktop (Black Can). Here'my Grub command line arguments for Pie intel_iommu=on pci=hpbussize=10,hpmemsize=2M,nocrs,realloc Even though I force a realloc I see the ...
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535 views

Will this damage my PC? GRUB_CMDLINE_LINUX_DEFAULT=“quiet splash pci=noaer pci=nomsi”

When I tried to install my Ubuntu 16.04.2 I faced with no screen problem! and PCI_bus errors! after many searching and trying only this modifications on /etc/default/grub solved my problem: ...
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2k views

Wireless card not detected by lspci, lsusb, dmesg

I have a Haier HV102H laptop-transformer with Windows 10 and Ubuntu 16.04 on board, but there is a problem with the WiFi adapter (Broadcom 802.11n Wireless SDIO Adapter). There is no device visible in ...
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11k views

VirtualBox GPU Passthrough from Linux Host to Windows Guest

I'm trying to use my dedicated GPU (Nvidia GTX970M) in my guest system (Windows 7). I used the following command: vboxmanage modifyvm "Windows 7" --pciattach 01:00.0@07:01.0 The GPU is successfully ...
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674 views

How to use LSI 9200-8e HBA with Ubuntu?

I can't seem to get my card working. lspci command shows a card there but it's not the 9200-8e. lspci | grep -i sas 04:00.0 Serial Attached SCSI controller: LSI Logic / Symbios Logic SAS2008 PCI-...
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2k views

Proper way to determine manufacturer/model of wireless card in Ubuntu 16.04

What is the best way to find the manufacturer and model number of my wireless card? Using the lspci and lshw commands I have determined that the manufacturer is Qualcomm Atheros and that the card is ...
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847 views

PCI complience with openssh package

I am in a situation where we are doing internal PCI scans and one server that is in the scope is a Ubuntu Server 16.04.2 LTS. The latest package for openssh-server is OpenSSH_7.2p2 showed with command ...
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699 views

Ubuntu + Sil 3114 Satalink install

So (Linux noobish) I have installed Ubuntu Server x64 on an old AMD Athlon 64 and it is running fine and does exactly what I wanted it for. BUT I need to install some more DVD drives (adding 4 more) ...
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2k views

Ubuntu 16.04 - Install PCI Hotplug Capability

I'm trying to achieve hotplugging of memory in KVM guests by following this tutorial: Memory hotplug with Qemu/KVM and libvirt. I managed to complete it but nothing happens. The tutorial tells me ...
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128 views

internet DSL, internal PCI Modem

I want to connect to the internet by phone cable through my pc's internal PCI modem. I also have a ethernet pci card, but the goal is to not use it . Is it possible ? root@xubuntu:~# lspci -d 8086:...
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Problem with TP-Link Wireless TL-WN851ND PCI Adapter

I've installed a new Wireless PCI Adapter, called TL-WN851ND on my PC. My operative system identifies it and I can connect to my lan. When I try to use the browser for surfing the net, I lose ...
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Network connection problem with TP-Link TL-WDN4800 on Ubuntu 16.04

I have recently bought TP-Link TL-WDN4800 network card. But I am suffering low signal strength and also disconnection problem. lspci -nn | grep 0280 05:00.0 Network controller [0280]: Qualcomm ...
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PCIe Bus Error: severity=Corrected, type=Physical Layer, id=00e5(Receiver ID)

I have Ubuntu 16.10 (although the same happened on 16.04) on a dual boot with Windows 10. I noticed some time ago that my kern.log file was getting pretty big (10GB or more) so I decided to check it. ...
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pci does not detect wireless card

i m using ubuntu 16.04 gnome kernel and my wireless card is not detected. usb wireless cards like tp link works properly. i need help in this regard. if i try to update its kernel, its touch get ...
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libvirt + qemu PCI passthrough and NVIDIA drivers not working on Ubuntu 16.04

I've setup a virtual machine with NVIDIA graphics card passthrough, and after installing necessary drivers, the LightDM session doesn't start (I can see the greeter, but the user session doesn't start)...
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Ubuntu 16.10 Wifi Trouble - RT2561/RT61

I've used Ubuntu before, but I'm still very new. I just installed 16.10 on a new computer yesterday, and the Wi-Fi has been considerably slower than my Windows laptop. I put the computer together ...
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2k views

Ubuntu error message after GRUB “ pci 0000:00:14:0: PCI INT A no GSI ”

I have Windows 10 installed on an Acer Aspire E5-573-56KN. Windows 10 is installed in legacy BIOS mode, and I have UEFI disabled, so that I can run other operating systems more easily. I wish to dual ...
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My laptop doesn't run Ubuntu! Intel USB problem?

I want to install Ubuntu into my machine, but it won't boot properly no matter what I do. I tried every type of combinations: USB2 and USB3 ports, different flash drives, UEFI and CSM modes, Linux ...
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What to do about Ubuntu only recognizing the monitor I have set as “primary” in the bios?

I have 2 PCI, and 1 PCI Express, video cards. Dell System DXP061 PCI Info +---PEG [VGA, Multimedia] +---SLOT 1 [not populated] +---SLOT 3 [not populated] +---SLOT 4 [PCI BRIDGE] +---...