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Questions tagged [pcie]

PCI Express (Peripheral Component Interconnect Express) was created in 2004 and is abbreviated to PCIe or PCI-e Version history: 1.0a, 1.1, 2.0, 2.1, 3.0, 3.1, 4.0, 5.0

136 questions
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What does "pci=noaer" or "pci=nomsi" mean?

I had problems installing Ubuntu on my HP Laptop. It used to give some error related to peace bus. I didn't understand the error, but after visiting many websites I found a solution. The solution asked me to add a parameter "pci=nomsi" to the…
Ashish Farande
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Poor IO performance - PCIe NVMe Samsung 950 pro

I just finished a hardware build expecting a big gain from the new NVMe drive. My prior performance was lower than expected (~3gb transferred), so I've replaced the motherboard/cpu/memory/hdd. While performance is double what it was, it is still…
kross
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Is there a way to suppress one specific message from syslog?

I'm getting a lot of Dec 27 08:35:49 htpc kernel: [ 1552.153797] pciehp 0000:00:1c.5:pcie04: Card not present on Slot(0-2) Dec 27 08:35:49 htpc kernel: [ 1552.157744] pciehp 0000:00:1c.5:pcie04: Card present on Slot(0-2) messages in my syslog,…
vava
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pcieport 0000:00:1d.0: AER: Corrected error received: 0000:04:00.0

I'm running Kubuntu 20.04. I recently cloned my system from a 2.5" SSD over to a new 2280 (via dd - aka it's an exact replica of the previous install). Everything runs smoothly, however I've noticed that sometimes I see the following during bootup…
J23
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Nvidia GeForce 930M driver and PCI bus error

I bought a new laptop ASUS-X556UF and installed Ubuntu 14.04 in it. Now I was trying to install Nvidia drivers according to the tutorial. At this point I noticed the problem with my system. When I switched to command line mode ( Ctrl+Alt+F1) there…
Nitesh Bhutani
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Ubuntu 22.04 GPU passthrough (QEMU)

I have found a guide that tells me to do the following to get GPU pass through working on 20.04 apt install qemu-kvm libvirt-clients libvirt-daemon-system bridge-utils virt-manager ovmf lspci -nn returns 01:00.0 VGA compatible controller [0300]:…
Toodarday
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3 answers

Graphics cards so I can have 4 monitors

I currently have a single old graphics card to which I have connected 2 monitors giving me a big desktop of 2560x1024. If I get 2 of the following graphics…
oshirowanen
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NVMe SSD slow write speed

I have a NUC (BEH model) and a M.2 SSD PCIe gen3 NMVe card (Samsung 970 pro 512GB) and I have a slow and fast write speed result in Ubuntu 18.04.3 with two different kernels. I used ukuu for kernel switching and in kernel 5.0+ which comes standard…
Pieter
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1 answer

Monitoring PCIe lane Usage

Is there a way to monitor PCIe lane bandwidth in Ubuntu 16.04? I would like to see how and if the PCIe lane max bandwidth is bottlenecking training a model in Tensorflow.
user18101
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crippling repeating "pciehp card not present" notifications

When using ubuntu (12.04, both installed and on a live usb) I get a lot of these messages: pciehp 0000:00:1c.5:pcie04: Card not present on Slot(37) pciehp 0000:00:1c.5:pcie04: Card present on Slot(37) And with a lot I mean about 20 per second. This…
Nanne
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Slow NVMe speed on new install

I've just setup an HP z230 Xeon E3 1225 v3 machine with an HP TurboDrive G1, with a Seagate Firecuda NVMe SSD. I was expecting 2-3000MB/s read speeds, but am seeing way less than that. I don't care too much about a few hundred here and there, but…
Chris McV
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grub2 not detecting pci-e nvme disk (in GRUB command line) old BIOs motherboard

I have an old motherboard that doesn't support nvme boot. I've connected nvme disk using a pci-e expansion card. NVME is detected in windows and Linux when booted up from old HDD. Since my motherboard doesn't support nvme boot I installed grub2…
emaditaj
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What Fibre Cards can I use with Ubuntu 10.04 LTS Server

What PCIe based fibre cards can I use with Ubuntu? I have been trying to find a native fibre card which works with Ubuntu Server but am unable to. I would really appreciate any help you can point me towards if possible. Thank you
user12113
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2 answers

How do I turn on wireless adapter on HP Envy dv6 7200 under Ubuntu (any version)?

I have a new HP Envy dv6 7200 with dual boot Windows 8 / Ubuntu 12.04. In windows, the F12 key in Windows activates the "airplane mode" switch which enables/disables both on-board (mini PCIe) and USB wireless adapters. In Ubuntu, however, the…
Dave B.
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asus G701VIK install windows M2 SSD

I have an ASUS G701VIK where I have installed two NVME SSD 960 Pro M.2. The system has Windows 10 running on the same two drives and works correctly. On disk 1 (GPT) I have the following partitions: Recovery NTFS 450 MB FAT32 100Mb (EFI System…
Picarus
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