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Ethernet interface name changed after changing CPU (programming.dev)

submitted 2 weeks ago by emotional_soup_88@programming.dev to c/linuxquestions@lemmy.zip

6 comments fedilink hide all child comments

I'm putting this out here just in case somebody else would be looking for it:

I put away my dear beloved an AMD 5800X3D CPU and my Nvidia RTX 3080 GPU because I'm taking a break from gaming. Instead, I installed a 5700G to conserve power. Upon booting for the first time, I had no internet connection. A quick glance at ip link and I noticed that the Ethernet interface no longer is called enp6s0 but enp5s0. Updating the interface name in my network config files solved the problem.

As a bonus, both the hardware and system clocks were also all over the place until I adjusted them...

I have no idea why a new CPU comes with these phenomena, but it did.

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[–] theit8514@lemmy.world 11 points 2 weeks ago (2 children)

The p number refers to the pci bus that the port was detected on. It could be the cpu has a different process when detecting the pci bus layout.

[–] pastermil@sh.itjust.works 4 points 2 weeks ago (2 children)

So much for predictable naming scheme.

[–] emotional_soup_88@programming.dev 3 points 2 weeks ago

I literally don't know what to do about my Arch install complaining about my .network files having potentially unpredictable names or whatever... 😂

[–] ikidd@lemmy.world 2 points 2 weeks ago

Yah, that changed decades ago and I'm still pissed.

[–] emotional_soup_88@programming.dev 1 points 2 weeks ago

Sic! Thanks for your wisdom! :) 🔌