this post was submitted on 01 Apr 2026
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cross-posted from: https://lemmy.dbzer0.com/post/66388621

transcript

A ^fake^ email. It reads: From: Linus Torvalds torvalds@linux-foundation.org To: linux-kernel@vger.kernel.org Subject: [RFC] Remove IPv4 support from kernel, effective next merge window Date: Sat, 15 Aug 2025 10:42:00 -0700 Message-ID: 20250815-drop-ipv4@linux-foundation.org

Hey folks,

After yet another deeply technical and entirely calm discussion about HRT (High-Resolution Timers) that somehow devolved into 200+ replies, personal insults, and at least one GIF of a raccoon, I have decided it’s time to take drastic measures.

Effective next merge window, we will be removing IPv4 support from the kernel. This will both (a) resolve the maintainers’ scheduling disputes, and (b) force the world into the IPV6 utopia we were promised back in 1998.

If you need IPv4 after this point, you can either:

run an ancient kernel from before the change (good luck with the bugs), or rewrite your applications to use IPv6 and learn to love colons in your addresses. Yes, I realize this will break roughly *everything *. No, I don’t care. I have already switched all my machines to IPv6-only, except for the toaster, which unfortunately still insists on using a 192. 168. x. x address. The toaster will be replaced.

If you disagree with this decision, I suggest you take it up with the HRT maintainers. But please keep it civil this time. (Or at least keep the raccoon GIFs under 1MB.)

  • Linus
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[–] irelephant@lemmy.dbzer0.com 31 points 2 weeks ago (2 children)

Not really.

Source: https://rivals.space/@deuxnise/115032302416832519 Originally posted here

don't look at the dates on the email too hard.

[–] DataCrime@lemmy.dbzer0.com 8 points 2 weeks ago

Epic trolling 🤓

[–] pal@friendica.eskimo.com 5 points 2 weeks ago
[–] comfy@lemmy.ml 24 points 2 weeks ago

That's it, I'm deleting the internet

[–] mech@feddit.org 17 points 2 weeks ago

I always knew Linus loves colons.

[–] northernlights@lemmy.today 13 points 2 weeks ago (3 children)

I'm so confused. It's april 1st ok but we're discussing an email from last august?

[–] dohpaz42@lemmy.world 15 points 2 weeks ago (1 children)

Kinda like ipv6 adoption, huh?

[–] northernlights@lemmy.today 5 points 2 weeks ago (2 children)

Still confused. IPV6 when communicating externally, IPv4 on the local network because at least we can understand these addresses.

[–] dohpaz42@lemmy.world 2 points 2 weeks ago

I was making a joke about how the email was dated back in August 2025, and how it’s being posted now (for April Fool’s Day). The comparison being that the email talked about waiting on IPv6 adoption since 1998.

But you’re right that using IPv4 locally makes sense. Ain’t no way I’m trying to remember a 128-bit address.

[–] irelephant@lemmy.dbzer0.com 1 points 2 weeks ago (1 children)
[–] Archr@lemmy.world 1 points 2 weeks ago

Quick someone share the dns haiku.

[–] irelephant@lemmy.dbzer0.com 10 points 2 weeks ago (1 children)

The email was faked a while ago. I'm posting it again for april fools.

[–] ameen272@thelemmy.club 1 points 5 days ago

Holy shit I was so scared and actually thought it was somehow real...

You cannot imagine my relief!

[–] Thorned_Rose@sh.itjust.works 6 points 2 weeks ago

Imagine my confusion given it's April 2nd where I am.

[–] Fridgeratr@lemmy.dbzer0.com 12 points 2 weeks ago

This is all just a distraction for the real best option, IPv5

[–] brunox@feddit.cl 11 points 2 weeks ago

Good, we should be by IPv9 already, but I can wait.

[–] Geki@lemmy.ml 7 points 2 weeks ago

PROTOCAL 7 LIVES

[–] idriss@lemmy.ml 6 points 2 weeks ago

cool, fuck half of the world

[–] Cyber@feddit.uk 4 points 2 weeks ago

Ok, yeah, late to the discussion, but that's because I used RFC2549

[–] CodenameDarlen@lemmy.world 2 points 2 weeks ago* (last edited 2 weeks ago)

Almost had a hearth attack

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

ipv6 still sucks.

Real solution to ipv4 problem- ipv4 but we add another triplet.

[–] mactan@lemmy.ml 2 points 2 weeks ago

loved being behind a triple nat and sharing the public IP with every customer in the county