notamental

If you're trying to upgrade Proxmox from 7 to 8 using K or S OVH Type Servers, and you are loosing network connection after the reboot this is for you.

A kernel regression could affect the kernel network devices detection.

To fix this you need to add pci=noear to your grub config before rebot.

Example

root@yourserver:~# cat /etc/default/grub|grep quiet
GRUB_CMDLINE_LINUX_DEFAULT="quiet pci=noaer"

How to do it?

vim /etc/default/grub

Change

GRUB_CMDLINE_LINUX_DEFAULT="quiet"

To

GRUB_CMDLINE_LINUX_DEFAULT="quiet pci=noaer"

Update grub config

update-grub

Then reboot.

reboot

Tags for search index

• X550
• enp5s0f0
• pve-kernel
• ixgbe
• k7

Refs

• https://forum.proxmox.com/threads/proxmox-8-kernel-6-2-16-4-pve-ixgbe-driver-fails-to-load-due-to-pci-device-probing-failure.131203/page-3
• https://community.ovh.com/t/Proxmox-8-on-soyoustart-servers-no-network/64323/3

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