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]
123 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…
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
- 1
- 2
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
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