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.
Questions tagged [pci]
124 questions
55
votes
8 answers
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. The same error seems to be repeating every second…
Andrew
- 664
27
votes
6 answers
How to find PCI address of an ethernet interface?
is there a way to find out the PCI bus number of an Ethernet interface or vice versa. I am looking to write a Bash/Python script which gives some thing like pci_address = some_function(eth0) where pci_address is sys:bus:slot:function . How can these…
Waqas
- 819
16
votes
2 answers
"pci=nomsi,noaer" in "/etc/default/grub" : any downside?
Because my kern.log and syslog files were growing to immense size, I added the subject entry to a line in /etc/default/grub : GRUB_CMDLINE_LINUX_DEFAULT="quiet splash reboot=efi,pci pci=nomsi,noaer" But I really don't understand what I did. Is there…
Hugh Lawson
- 161
12
votes
0 answers
"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…
8
votes
5 answers
Blacklist a Nvidia gpu for qemu/kvm passthrough
I am trying to run Windows in a virtual machine while giving the VM a direct passthrough to the GPU for better performance. I have an integrated intel GPU (I will use this one for the host) and a Nvidia GTX980 (I want this one for the VM). I use…
Mathyn
- 253
7
votes
3 answers
nVidia GPU is not detected
My nVidia GPU (GTX650-DC) can't be detected by my computer(OS is Ubuntu 14.04). I've searched for related discussion( Ubuntu 14.04 couldn't detect nvidia graphic card (not even detect the model of card) ) where the nvidia GPU information can be…
Syu Wade
- 71
7
votes
1 answer
How do I confirm that VFIO is working in 20.04?
I just installed Ubuntu Server 20.04 and am trying to get GPU Passthrough working, but I can't seem to get VFIO enabled using methods that worked previously: /etc/initramfs-tools/modules : vfio vfio_iommu_type1 vfio_pci vfio_virqfd vhost-net…
Stonecraft
- 693
6
votes
0 answers
"Driver does not support the 0x4680 PCI ID" on Ubuntu 22.04
I am using Ubuntu 22.04 with 12th Gen Intel(R) Core(TM) i9-12900K and Intel UHD Graphics 770. When trying to open VLC and some other snap apps I get the following error message printed twice: Driver does not support the 0x4680 PCI ID. libGL error:…
nbs
- 61
5
votes
2 answers
Ubuntu 15.04 freezes for a second every 6-10 seconds, PCI/Radeon related messages in kern.log
Tonight I made a fresh install of Xubuntu 15.04 on my laptop, an Acer Aspire TimelineX 4820TG. I was running 14.04 LTS before, and all was fine. I didn't have lot of stuffs to save, so I went for a complete uninstall and fresh re-installation, in…
lorenzo-s
- 485
5
votes
2 answers
Can anybody recommend a wireless PCI card working out-of-the-box in Ubuntu 12.10 (64bit)?
I have recently bought new desktop. Everything works flawlessly in Ubuntu 12.10 64bit, except my (kinda outdated) wireless PCI card Realtek 8185. So I am about to buy new one. Please can you recommend a PCI card (or at least chipset), that is known…
user124147
- 181
5
votes
1 answer
A well-supported wireless PCI adapter for Ubuntu 12.04?
I need a PCI wireless adapter that works well with Ubuntu 12.04. I have looked around on the web but a lot of the information is out-of-date or confusing. Could someone point me to a wireless PCI adapter on Newegg or Amazon that they know works well…
Doughy
- 2,064
5
votes
1 answer
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 Powertop I come from 16.04 where i had a similar problem…
Rahul Iyer
- 53
- 1
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4
votes
4 answers
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 mainly to play Dota 2, and I experience decent ping…
vvv
- 41
4
votes
1 answer
unable to access usb device
I'm reading my boot logs, at /var/log trying to understand why the boot process is taking so long. I found that the system can't access many usb devices, but can't understand why. Is there a way to stop Ubuntu from trying to access them? Here are…
Tom
- 253
4
votes
1 answer
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?
user833907